Full Code of afatcoder/LeetcodeTop for AI

Repository: afatcoder/LeetcodeTop
Branch: master
Commit: 7105c17a4d3f
Files: 54
Total size: 220.4 KB

Directory structure:
gitextract_1gu21gaa/

├── README.md
├── alibaba/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── data.md
│   ├── frontend.md
│   └── test.md
├── amazon/
│   └── SDE.md
├── baidu/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── frontend.md
│   └── test.md
├── bytedance/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── data.md
│   ├── frontend.md
│   ├── latest/
│   │   ├── algorithm.md
│   │   ├── backend.md
│   │   ├── client.md
│   │   ├── frontend.md
│   │   └── test.md
│   └── test.md
├── kuaishou/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── data.md
│   ├── frontend.md
│   └── test.md
├── meituan/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── data.md
│   ├── frontend.md
│   └── test.md
├── microsoft/
│   └── SDE.md
├── shopee/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── data.md
│   ├── frontend.md
│   └── test.md
├── tencent/
│   ├── algorithm.md
│   ├── backend.md
│   ├── client.md
│   ├── frontend.md
│   └── test.md
└── yuanfudao/
    ├── algorithm.md
    ├── backend.md
    ├── client.md
    ├── data.md
    ├── frontend.md
    └── test.md

================================================
FILE CONTENTS
================================================

================================================
FILE: README.md
================================================
# LeetcodeTop
本仓库用于汇总互联网公司技术岗考察Leetcode题目的热度:fire:，帮助同学们更加有针对性地准备面试。

频度数据都是我人工整理面经而得，这耗费我非常多的精力。希望你可以点个star⭐，给我一点坚持下去的动力，感激不尽！

我开发的**CodeTop网站**([https://codetop.cc](https://codetop.cc))，支持按**公司**、**部门**、**岗位**组合查询仓库中的数据，方便大家高效检索。

> 点击下载[大厂面经导航.xlsx](https://pan.baidu.com/s/1yCCeNMb0FNCJKDIE6EASYA)，提取码【lrp3】。面经导航包括我汇总过的几千篇面经，支持按部门、岗位定位面经链接，覆盖字节跳动、腾讯、美团、快手、虾皮等公司。

相对于力扣官方企业题库，本仓库有以下优点

1. 免费开放：汇总的高频题目免费分享给大家
2. 分类精细：按公司、部门<sup>1</sup>、岗位进行分类，方便大家更针对性地准备面试
3. 题源可靠：全网收录题目考察情况<sup>2</sup>，渠道不限于牛客、CSDN博客、热心网友分享等
4. 本土特色：汇总办公地位于中国大陆的互联网企业

注1：若想按部门查询题目，请在[CodeTop网站](http://codetop.cc)或CodeTop小程序查看<br>
注2：为保证数据真实可信，[issues](https://github.com/afatcoder/LeetcodeTop/issues)中会声名了所有涉及的原文链接

:speech_balloon:面试交流：若想加入大厂面试真题交流群，请在公众号「一个搬砖的胖子」后台回复「加群」，添加我的微信后即被拉群

![公众号：一个搬砖的胖子](https://github.com/afatcoder/LeetcodeTop/blob/master/img/wechat.png)

:information_source:数据来源：牛客网笔经面经，题目的原始文章链接已放在[issues](https://github.com/afatcoder/LeetcodeTop/issues)中

:warning:使用本仓库的频度数据或转载文章，需注明本仓库地址！侵权必究！ 


## 微软中国（更新至牛客2021.8.20的面经）
- [SDE](https://github.com/afatcoder/LeetcodeTop/blob/master/microsoft/SDE.md)

## 虾皮shopee（更新至虾皮2021.7.28的面经）
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/test.md)
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/shopee/data.md)
</details>


## 字节跳动（更新至牛客2021.7.19的面经）
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/test.md)
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/data.md)
</details>

## 亚马逊中国（更新至牛客2021.6.9的面经）
- [SDE](https://github.com/afatcoder/LeetcodeTop/blob/master/amazon/SDE.md)

## 美团（更新至牛客2021.4.23面经）
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/test.md)
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/data.md)
</details>

## 腾讯（更新至牛客2021.4.12的面经）
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/test.md)
</details>

## 猿辅导（更新至牛客3.5日的面经）
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/test.md)
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/yuanfudao/data.md)
</details>

## 快手（更新至牛客3.5日的面经）
<details>
<summary>按岗位分类</summary>

- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/test.md)
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/kuaishou/data.md)
</details>


## 百度(更新至牛客8.7日的面经)
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/frontend.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/baidu/test.md)
</details>


## 阿里巴巴
<details>
<summary>按岗位分类</summary>
  
- [后端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/backend.md)
- [算法](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/algorithm.md)
- [客户端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/client.md)
- [前端](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/frontend.md)
- [数据相关岗位](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/data.md)
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/alibaba/test.md)
</details>

## 捐赠
如果你觉得本项目帮助到了你，你可以帮作者买一杯果汁表示鼓励🍹
![donate](https://i.ibb.co/n1f1ZfG/donate.png)



================================================
FILE: alibaba/algorithm.md
================================================
| 算法题                             | 次数 |
|---------------------------------|----|
| 剑指 Offer 24\. 反转链表              | 2  |
| 剑指 Offer 53 \- I\. 在排序数组中查找数字 I | 1  |
| 53\. 最大子序和                      | 1  |
| 92\. 反转链表 II                    | 1  |
| 1143\. 最长公共子序列                  | 1  |
| 37\. 解数独                        | 1  |
| 44\. 通配符匹配                      | 1  |
| 110\. 平衡二叉树                     | 1  |
| 47\. 全排列 II                     | 1  |
| 94\. 二叉树的中序遍历                   | 1  |
| 143\. 重排链表                      | 1  |
| 1240\. 铺瓷砖                      | 1  |
| 617\. 合并二叉树                     | 1  |
| 102\. 二叉树的层序遍历                  | 1  |
| 剑指 Offer 39\. 数组中出现次数超过一半的数字    | 1  |
| 215\. 数组中的第K个最大元素               | 1  |
| 72\. 编辑距离                       | 1  |
| 56\. 合并区间                       | 1  |


================================================
FILE: alibaba/backend.md
================================================
| 算法题                        | 次数 |
|----------------------------|----|
| 215\. 数组中的第K个最大元素          | 3  |
| 145\. 二叉树的后序遍历             | 2  |
| 1\. 两数之和                   | 2  |
| 232\. 用栈实现队列               | 2  |
| 88\. 合并两个有序数组              | 2  |
| 15\. 三数之和                  | 2  |
| 349\. 两个数组的交集              | 1  |
| 5\. 最长回文子串                 | 1  |
| 557\. 反转字符串中的单词 III        | 1  |
| 72\. 编辑距离                  | 1  |
| 543\. 二叉树的直径               | 1  |
| 144\. 二叉树的前序遍历             | 1  |
| 94\. 二叉树的中序遍历              | 1  |
| 剑指 Offer 22\. 链表中倒数第k个节点   | 1  |
| 2\. 两数相加                   | 1  |
| 70\. 爬楼梯                   | 1  |
| 509\. 斐波那契数                | 1  |
| 21\. 合并两个有序链表              | 1  |
| 46\. 全排列                   | 1  |
| 82\. 删除排序链表中的重复元素 II       | 1  |
| 剑指 Offer 52\. 两个链表的第一个公共节点 | 1  |
| 225\. 用队列实现栈               | 1  |
| 350\. 两个数组的交集 II           | 1  |
| 415\. 字符串相加                | 1  |
| 268\. 缺失数字                 | 1  |
| 53\. 最大子序和                 | 1  |
| 344\. 反转字符串                | 1  |
| 136\. 只出现一次的数字             | 1  |
| 剑指 Offer 24\. 反转链表             | 1  |


================================================
FILE: alibaba/client.md
================================================
| 算法题                     | 次数 |
|-------------------------|----|
| 557\. 反转字符串中的单词 III     | 1  |
| 剑指 Offer 42\. 连续子数组的最大和 | 1  |
| 剑指 Offer 27\. 二叉树的镜像    | 1  |
|                         |    |


================================================
FILE: alibaba/data.md
================================================
| 算法题                     | 次数 |
|-------------------------|----|
| 1\. 两数之和                | 3  |
| 15\. 三数之和               | 2  |
| 144\. 二叉树的前序遍历          | 1  |
| 94\. 二叉树的中序遍历           | 1  |
| 145\. 二叉树的后序遍历          | 1  |
| 102\. 二叉树的层序遍历          | 1  |
| 543\. 二叉树的直径            | 1  |
| 78\. 子集                 | 1  |
| 剑指 Offer 11\. 旋转数组的最小数字 | 1  |
| 459\. 重复的子字符串           | 1  |
| 215\. 数组中的第K个最大元素       | 1  |


================================================
FILE: alibaba/frontend.md
================================================
| 算法题                         | 次数 |
|-----------------------------|----|
| 165\. 比较版本号                 | 2  |
| 剑指 Offer 10\- II\. 青蛙跳台阶问题  | 1  |
| 704\. 二分查找                  | 1  |
| 剑指 Offer 48\. 最长不含重复字符的子字符串 | 1  |
| 94\. 二叉树的中序遍历               | 1  |
| 102\. 二叉树的层序遍历              | 1  |


================================================
FILE: alibaba/test.md
================================================
| 算法题                           | 次数 |
|-------------------------------|----|
| 94\. 二叉树的中序遍历                 | 2  |
| 剑指 Offer 09\. 用两个栈实现队列        | 1  |
| 剑指 Offer 21\. 调整数组顺序使奇数位于偶数前面 | 1  |
| 144\. 二叉树的前序遍历                | 1  |
| 145\. 二叉树的后序遍历                | 1  |
| 628\. 三个数的最大乘积                | 1  |
| 142\. 环形链表 II                 | 1  |
| 297\. 二叉树的序列化与反序列化            | 1  |


================================================
FILE: amazon/SDE.md
================================================
- 题目原文链接见[issues](https://github.com/afatcoder/LeetcodeTop/issues)
- 若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc) 查询

|题目|出现次数|链接|
|-|-|-|
|3. 无重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|120. 三角形最小路径和|2|https://leetcode-cn.com/problems/triangle|
|102. 二叉树的层序遍历|2|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|10. 正则表达式匹配|1|https://leetcode-cn.com/problems/regular-expression-matching|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|343. 整数拆分|1|https://leetcode-cn.com/problems/integer-break|
|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|剑指 Offer 53 - II. 0～n-1中缺失的数字|1|https://leetcode-cn.com/problems/que-shi-de-shu-zi-lcof|
|378. 有序矩阵中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix|
|8. 字符串转换整数 (atoi)|1|https://leetcode-cn.com/problems/string-to-integer-atoi|
|486. 预测赢家|1|https://leetcode-cn.com/problems/predict-the-winner|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|781. 森林中的兔子|1|https://leetcode-cn.com/problems/rabbits-in-forest|
|剑指 Offer 36. 二叉搜索树与双向链表|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|460. LFU缓存|1|https://leetcode-cn.com/problems/lfu-cache|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|611. 有效三角形的个数|1|https://leetcode-cn.com/problems/valid-triangle-number|
|面试题 08.05. 递归乘法|1|https://leetcode-cn.com/problems/recursive-mulitply-lcci|


================================================
FILE: baidu/algorithm.md
================================================
| 公司 | 岗位 | 题目                           | 链接                                                                                                  | 频度 |
|----|----|------------------------------|-----------------------------------------------------------------------------------------------------|----|
| 百度 | 算法 | 215. 数组中的第K个最大元素             | https://leetcode-cn.com/problems/kth-largest-element-in-an-array/                                   | 7  |
| 百度 | 算法 | 142. 环形链表 II                 | https://leetcode-cn.com/problems/linked-list-cycle-ii/                                              | 2  |
| 百度 | 算法 | 103. 二叉树的锯齿形层次遍历             | https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/                          | 2  |
| 百度 | 算法 | 1339. 分裂二叉树的最大乘积             | https://leetcode-cn.com/problems/maximum-product-of-splitted-binary-tree/                           | 1  |
| 百度 | 算法 | 101. 对称二叉树                   | https://leetcode-cn.com/problems/symmetric-tree/                                                    | 1  |
| 百度 | 算法 | 46. 全排列                      | https://leetcode-cn.com/problems/permutations/                                                      | 1  |
| 百度 | 算法 | 53. 最大子序和                    | https://leetcode-cn.com/problems/maximum-subarray/                                                  | 1  |
| 百度 | 算法 | 98. 验证二叉搜索树                  | https://leetcode-cn.com/problems/validate-binary-search-tree/                                       | 1  |
| 百度 | 算法 | 102. 二叉树的层序遍历                | https://leetcode-cn.com/problems/binary-tree-level-order-traversal/                                 | 1  |
| 百度 | 算法 | 62. 不同路径                     | https://leetcode-cn.com/problems/unique-paths/                                                      | 1  |
| 百度 | 算法 | 69. x 的平方根                   | https://leetcode-cn.com/problems/sqrtx/                                                             | 1  |
| 百度 | 算法 | 208. 实现 Trie (前缀树)           | https://leetcode-cn.com/problems/implement-trie-prefix-tree/                                        | 1  |
| 百度 | 算法 | 72. 编辑距离                     | https://leetcode-cn.com/problems/edit-distance/                                                     | 1  |
| 百度 | 算法 | 5. 最长回文子串                    | https://leetcode-cn.com/problems/longest-palindromic-substring/                                     | 1  |
| 百度 | 算法 | 206. 反转链表                    | https://leetcode-cn.com/problems/reverse-linked-list/                                               | 1  |
| 百度 | 算法 | 234. 回文链表                    | https://leetcode-cn.com/problems/palindrome-linked-list/                                            | 1  |
| 百度 | 算法 | 剑指 Offer 59 - I. 滑动窗口的最大值    | https://leetcode-cn.com/problems/hua-dong-chuang-kou-de-zui-da-zhi-lcof/                            | 1  |
| 百度 | 算法 | 404. 左叶子之和                   | https://leetcode-cn.com/problems/sum-of-left-leaves/                                                | 1  |
| 百度 | 算法 | 剑指 Offer 21. 调整数组顺序使奇数位于偶数前面 | https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof/ | 1  |


================================================
FILE: baidu/backend.md
================================================
| 公司 | 岗位 | 题目                           | 链接                                                                                                  | 频度 |
|----|----|------------------------------|-----------------------------------------------------------------------------------------------------|----|
| 百度 | 后端 | 102. 二叉树的层序遍历                | https://leetcode-cn.com/problems/binary-tree-level-order-traversal/                                 | 5  |
| 百度 | 后端 | 206. 反转链表                    | https://leetcode-cn.com/problems/reverse-linked-list/                                               | 4  |
| 百度 | 后端 | 剑指 Offer 39. 数组中出现次数超过一半的数字  | https://leetcode-cn.com/problems/shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof/       | 3  |
| 百度 | 后端 | 94. 二叉树的中序遍历                 | https://leetcode-cn.com/problems/binary-tree-inorder-traversal/                                     | 3  |
| 百度 | 后端 | 199. 二叉树的右视图                 | https://leetcode-cn.com/problems/binary-tree-right-side-view/                                       | 3  |
| 百度 | 后端 | 4. 寻找两个正序数组的中位数              | https://leetcode-cn.com/problems/median-of-two-sorted-arrays/                                       | 3  |
| 百度 | 后端 | 146. LRU缓存机制                 | https://leetcode-cn.com/problems/lru-cache/                                                         | 3  |
| 百度 | 后端 | 142. 环形链表 II                 | https://leetcode-cn.com/problems/linked-list-cycle-ii/solution/                                     | 3  |
| 百度 | 后端 | 268. 缺失数字                    | https://leetcode-cn.com/problems/missing-number/                                                    | 2  |
| 百度 | 后端 | 160. 相交链表                    | https://leetcode-cn.com/problems/intersection-of-two-linked-lists/                                  | 2  |
| 百度 | 后端 | 62. 不同路径                     | https://leetcode-cn.com/problems/unique-paths/                                                      | 2  |
| 百度 | 后端 | 349. 两个数组的交集                 | https://leetcode-cn.com/problems/intersection-of-two-arrays/                                        | 2  |
| 百度 | 后端 | 19. 删除链表的倒数第N个节点             | https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list/                                  | 2  |
| 百度 | 后端 | 面试题 01.06. 字符串压缩             | https://leetcode-cn.com/problems/compress-string-lcci/                                              | 2  |
| 百度 | 后端 | 104. 二叉树的最大深度                | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/                                      | 2  |
| 百度 | 后端 | 20. 有效的括号                    | https://leetcode-cn.com/problems/valid-parentheses/                                                 | 2  |
| 百度 | 后端 | 69. x 的平方根                   | https://leetcode-cn.com/problems/sqrtx/                                                             | 2  |
| 百度 | 后端 | 449. 序列化和反序列化二叉搜索树           | https://leetcode-cn.com/problems/serialize-and-deserialize-bst/                                     | 1  |
| 百度 | 后端 | 105. 从前序与中序遍历序列构造二叉树         | https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/         | 1  |
| 百度 | 后端 | 215. 数组中的第K个最大元素             | https://leetcode-cn.com/problems/kth-largest-element-in-an-array/                                   | 1  |
| 百度 | 后端 | 191. 位1的个数                   | https://leetcode-cn.com/problems/number-of-1-bits/                                                  | 1  |
| 百度 | 后端 | 43. 字符串相乘                    | https://leetcode-cn.com/problems/multiply-strings/                                                  | 1  |
| 百度 | 后端 | 88. 合并两个有序数组                 | https://leetcode-cn.com/problems/merge-sorted-array/                                                | 1  |
| 百度 | 后端 | 3. 无重复字符的最长子串                | https://leetcode-cn.com/problems/longest-substring-without-repeating-characters/                    | 1  |
| 百度 | 后端 | 121. 买卖股票的最佳时机               | https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/                                   | 1  |
| 百度 | 后端 | 123. 买卖股票的最佳时机 III           | https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii/                               | 1  |
| 百度 | 后端 | 93. 复原IP地址                   | https://leetcode-cn.com/problems/restore-ip-addresses/                                              | 1  |
| 百度 | 后端 | 236. 二叉树的最近公共祖先              | https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree/                           | 1  |
| 百度 | 后端 | 110. 平衡二叉树                   | https://leetcode-cn.com/problems/balanced-binary-tree/                                              | 1  |
| 百度 | 后端 | 剑指 Offer 10- II. 青蛙跳台阶问题     | https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof/                                  | 1  |
| 百度 | 后端 | 55. 跳跃游戏                     | https://leetcode-cn.com/problems/jump-game/                                                         | 1  |
| 百度 | 后端 | 剑指 Offer 48. 最长不含重复字符的子字符串   | https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof/            | 1  |
| 百度 | 后端 | 15. 三数之和                     | https://leetcode-cn.com/problems/3sum/                                                              | 1  |
| 百度 | 后端 | 剑指 Offer 42. 连续子数组的最大和       | https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof/                               | 1  |
| 百度 | 后端 | 217. 存在重复元素                  | https://leetcode-cn.com/problems/contains-duplicate/                                                | 1  |
| 百度 | 后端 | 5. 最长回文子串                    | https://leetcode-cn.com/problems/longest-palindromic-substring/                                     | 1  |
| 百度 | 后端 | 468. 验证IP地址                  | https://leetcode-cn.com/problems/validate-ip-address/                                               | 1  |
| 百度 | 后端 | 46. 全排列                      | https://leetcode-cn.com/problems/permutations/                                                      | 1  |
| 百度 | 后端 | 222. 完全二叉树的节点个数              | https://leetcode-cn.com/problems/count-complete-tree-nodes/                                         | 1  |
| 百度 | 后端 | 1143. 最长公共子序列                | https://leetcode-cn.com/problems/longest-common-subsequence/                                        | 1  |
| 百度 | 后端 | 72. 编辑距离                     | https://leetcode-cn.com/problems/edit-distance/                                                     | 1  |
| 百度 | 后端 | 剑指 Offer 52. 两个链表的第一个公共节点    | https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof/            | 1  |
| 百度 | 后端 | 209. 长度最小的子数组                | https://leetcode-cn.com/problems/minimum-size-subarray-sum/                                         | 1  |
| 百度 | 后端 | 151. 翻转字符串里的单词               | https://leetcode-cn.com/problems/reverse-words-in-a-string/                                         | 1  |
| 百度 | 后端 | 9. 回文数                       | https://leetcode.com/problems/palindrome-number/                                                    | 1  |
| 百度 | 后端 | 25. K 个一组翻转链表                | https://leetcode-cn.com/problems/reverse-nodes-in-k-group/                                          | 1  |
| 百度 | 后端 | 面试题 16.01. 交换数字              | https://leetcode-cn.com/problems/swap-numbers-lcci/                                                 | 1  |
| 百度 | 后端 | 剑指 Offer 04. 二维数组中的查找        | https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof/                              | 1  |
| 百度 | 后端 | 剑指 Offer 36. 二叉搜索树与双向链表      | https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof/                 | 1  |
| 百度 | 后端 | 剑指 Offer 21. 调整数组顺序使奇数位于偶数前面 | https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof/ | 1  |
| 百度 | 后端 | 141. 环形链表                    | https://leetcode-cn.com/problems/linked-list-cycle/                                                 | 1  |
| 百度 | 后端 | 168. Excel表列名称               | https://leetcode-cn.com/problems/excel-sheet-column-title/                                          | 1  |
| 百度 | 后端 | 148. 排序链表                    | https://leetcode-cn.com/problems/sort-list/                                                         | 1  |
| 百度 | 后端 | 287. 寻找重复数                   | https://leetcode-cn.com/problems/find-the-duplicate-number/                                         | 1  |
| 百度 | 后端 | 1095. 山脉数组中查找目标值             | https://leetcode-cn.com/problems/find-in-mountain-array/                                            | 1  |


================================================
FILE: baidu/client.md
================================================
| 公司 | 岗位  | 题目                    | 地址                                                                   | 频率 |
|----|-----|-----------------------|----------------------------------------------------------------------|----|
| 百度 | 客户端 | 206. 反转链表             | https://leetcode-cn.com/problems/reverse-linked-list/                | 2  |
| 百度 | 客户端 | 剑指 Offer 13. 机器人的运动范围 | https://leetcode-cn.com/problems/ji-qi-ren-de-yun-dong-fan-wei-lcof/ | 1  |
| 百度 | 客户端 | 142. 环形链表 II          | https://leetcode-cn.com/problems/linked-list-cycle-ii/               | 1  |
| 百度 | 客户端 | 144. 二叉树的前序遍历         | https://leetcode-cn.com/problems/binary-tree-preorder-traversal/     | 1  |
| 百度 | 客户端 | 70. 爬楼梯               | https://leetcode-cn.com/problems/climbing-stairs/                    | 1  |
| 百度 | 客户端 | 104. 二叉树的最大深度         | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/       | 1  |


================================================
FILE: baidu/frontend.md
================================================
| 公司 | 岗位 | 题目                     | 链接                                                                          | 频度 |
|----|----|------------------------|-----------------------------------------------------------------------------|----|
| 百度 | 前端 | 329. 矩阵中的最长递增路径        | https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix/       | 1  |
| 百度 | 前端 | 104. 二叉树的最大深度          | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/              | 1  |
| 百度 | 前端 | 剑指 Offer 25. 合并两个排序的链表 | https://leetcode-cn.com/problems/he-bing-liang-ge-pai-xu-de-lian-biao-lcof/ | 1  |
| 百度 | 前端 | 215. 数组中的第K个最大元素       | https://leetcode-cn.com/problems/kth-largest-element-in-an-array/           | 1  |


================================================
FILE: baidu/test.md
================================================
| 公司 | 岗位 | 题目                     | 链接                                                                         | 频度 |
|----|----|------------------------|----------------------------------------------------------------------------|----|
| 百度 | 测试 | 94. 二叉树的中序遍历           | https://leetcode-cn.com/problems/binary-tree-inorder-traversal/            | 2  |
| 百度 | 测试 | 142. 环形链表 II           | https://leetcode-cn.com/problems/linked-list-cycle-ii/                     | 2  |
| 百度 | 测试 | 142. 环形链表 II           | https://leetcode-cn.com/problems/linked-list-cycle-ii/solution/            | 2  |
| 百度 | 测试 | 94. 二叉树的中序遍历           | https://leetcode-cn.com/problems/binary-tree-inorder-traversal/            | 2  |
| 百度 | 测试 | 5. 最长回文子串              | https://leetcode-cn.com/problems/longest-palindromic-substring/            | 1  |
| 百度 | 测试 | 53. 最大子序和              | https://leetcode-cn.com/problems/maximum-subarray/                         | 1  |
| 百度 | 测试 | 887. 鸡蛋掉落              | https://leetcode-cn.com/problems/super-egg-drop/                           | 1  |
| 百度 | 测试 | 83. 删除排序链表中的重复元素       | https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list/       | 1  |
| 百度 | 测试 | 1. 两数之和                | https://leetcode-cn.com/problems/two-sum/                                  | 1  |
| 百度 | 测试 | 206. 反转链表              | https://leetcode-cn.com/problems/reverse-linked-list/                      | 1  |
| 百度 | 测试 | 100. 相同的树              | https://leetcode-cn.com/problems/same-tree/                                | 1  |
| 百度 | 测试 | 104. 二叉树的最大深度          | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/             | 1  |
| 百度 | 测试 | 剑指 Offer 42. 连续子数组的最大和 | https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof/      | 1  |
| 百度 | 测试 | 141. 环形链表              | https://leetcode-cn.com/problems/linked-list-cycle/                        | 1  |
| 百度 | 测试 | 剑指 Offer 09. 用两个栈实现队列  | https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof/ | 1  |
| 百度 | 测试 | 215. 数组中的第K个最大元素       | https://leetcode-cn.com/problems/kth-largest-element-in-an-array/          | 1  |
| 百度 | 测试 | 876. 链表的中间结点           | https://leetcode-cn.com/problems/middle-of-the-linked-list/                | 1  |
| 百度 | 测试 | 169. 多数元素              | https://leetcode-cn.com/problems/majority-element/                         | 1  |
| 百度 | 测试 | 15. 三数之和               | https://leetcode-cn.com/problems/3sum/                                     | 1  |


================================================
FILE: bytedance/algorithm.md
================================================
# 算法
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|72. 编辑距离|8|https://leetcode-cn.com/problems/edit-distance|
|103. 二叉树的锯齿形层次遍历|7|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|215. 数组中的第K个最大元素|6|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|236. 二叉树的最近公共祖先|6|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|300. 最长上升子序列|6|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|200. 岛屿数量|5|https://leetcode-cn.com/problems/number-of-islands|
|33. 搜索旋转排序数组|4|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|69. x 的平方根|4|https://leetcode-cn.com/problems/sqrtx|
|3. 无重复字符的最长子串|3|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|23. 合并K个排序链表|3|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|4. 寻找两个正序数组的中位数|3|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|剑指 Offer 29. 顺时针打印矩阵|3|https://leetcode-cn.com/problems/shun-shi-zhen-da-yin-ju-zhen-lcof|
|695. 岛屿的最大面积|3|https://leetcode-cn.com/problems/max-area-of-island|
|240. 搜索二维矩阵 II|3|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|102. 二叉树的层序遍历|3|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|49. 字母异位词分组|3|https://leetcode-cn.com/problems/group-anagrams|
|209. 长度最小的子数组|3|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|85. 最大矩形|3|https://leetcode-cn.com/problems/maximal-rectangle|
|287. 寻找重复数|3|https://leetcode-cn.com/problems/find-the-duplicate-number|
|64. 最小路径和|3|https://leetcode-cn.com/problems/minimum-path-sum|
|5. 最长回文子串|3|https://leetcode-cn.com/problems/longest-palindromic-substring|
|46. 全排列|3|https://leetcode-cn.com/problems/permutations|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|15. 三数之和|3|https://leetcode-cn.com/problems/3sum|
|394. 字符串解码|3|https://leetcode-cn.com/problems/decode-string|
|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
|572. 另一个树的子树|2|https://leetcode-cn.com/problems/subtree-of-another-tree|
|1. 两数之和|2|https://leetcode-cn.com/problems/two-sum|
|105. 从前序与中序遍历序列构造二叉树|2|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|206. 反转链表|2|https://leetcode-cn.com/problems/reverse-linked-list|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|152. 乘积最大子数组|2|https://leetcode-cn.com/problems/maximum-product-subarray|
|70. 爬楼梯|2|https://leetcode-cn.com/problems/climbing-stairs|
|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|剑指 Offer 36. 二叉搜索树与双向链表|2|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|179. 最大数|2|https://leetcode-cn.com/problems/largest-number|
|剑指 Offer 51. 数组中的逆序对|2|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|143. 重排链表|2|https://leetcode-cn.com/problems/reorder-list|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
|238. 除自身以外数组的乘积|2|https://leetcode-cn.com/problems/product-of-array-except-self|
|25. K 个一组翻转链表|2|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|129. 求根到叶子节点数字之和|2|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|补充题4. 手撕快速排序|2|https://leetcode-cn.com/problems/sort-an-array|
|42. 接雨水|2|https://leetcode-cn.com/problems/trapping-rain-water|
|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
|221. 最大正方形|2|https://leetcode-cn.com/problems/maximal-square|
|400. 第N个数字|2|https://leetcode-cn.com/problems/nth-digit|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|636. 函数的独占时间|1|https://leetcode-cn.com/problems/exclusive-time-of-functions|
|297. 二叉树的序列化与反序列化|1|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|814. 二叉树剪枝|1|https://leetcode-cn.com/problems/binary-tree-pruning|
|445. 两数相加 II|1|https://leetcode-cn.com/problems/add-two-numbers-ii|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|62. 不同路径|1|https://leetcode-cn.com/problems/unique-paths|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|264. 丑数 II|1|https://leetcode-cn.com/problems/ugly-number-ii|
|437. 路径总和 III|1|https://leetcode-cn.com/problems/path-sum-iii|
|560. 和为K的子数组|1|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|255. 验证前序遍历序列二叉搜索树|1|https://leetcode-cn.com/problems/verify-preorder-sequence-in-binary-search-tree|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|剑指 Offer 54. 二叉搜索树的第k大节点|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|518. 零钱兑换 II|1|https://leetcode-cn.com/problems/coin-change-2|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|807. 保持城市天际线|1|https://leetcode-cn.com/problems/max-increase-to-keep-city-skyline|
|123. 买卖股票的最佳时机 III|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
|315. 计算右侧小于当前元素的个数|1|https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self|
|1363. 形成三的最大倍数|1|https://leetcode-cn.com/problems/largest-multiple-of-three|
|376. 摆动序列|1|https://leetcode-cn.com/problems/wiggle-subsequence|
|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|32. 最长有效括号|1|https://leetcode-cn.com/problems/longest-valid-parentheses|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|440. 字典序的第K小数字|1|https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order|
|334. 递增的三元子序列|1|https://leetcode-cn.com/problems/increasing-triplet-subsequence|
|582. 杀死进程|1|https://leetcode-cn.com/problems/kill-process|
|面试题 16.03. 交点|1|https://leetcode-cn.com/problems/intersection-lcci|
|96. 不同的二叉搜索树|1|https://leetcode-cn.com/problems/unique-binary-search-trees|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|403. 青蛙过河|1|https://leetcode-cn.com/problems/frog-jump|
|726. 原子的数量|1|https://leetcode-cn.com/problems/number-of-atoms|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|405. 数字转换为十六进制数|1|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|1420. 生成数组|1|https://leetcode-cn.com/problems/build-array-where-you-can-find-the-maximum-exactly-k-comparisons|
|306. 累加数|1|https://leetcode-cn.com/problems/additive-number|
|98. 验证二叉搜索树|1|https://leetcode-cn.com/problems/validate-binary-search-tree|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|1505. 最多 K 次交换相邻数位后得到的最小整数|1|https://leetcode-cn.com/problems/minimum-possible-integer-after-at-most-k-adjacent-swaps-on-digits|
|632. 最小区间|1|https://leetcode-cn.com/problems/smallest-range-covering-elements-from-k-lists|
|871. 最低加油次数|1|https://leetcode-cn.com/problems/minimum-number-of-refueling-stops|
|107. 二叉树的层次遍历 II|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii|
|407. 接雨水 II|1|https://leetcode-cn.com/problems/trapping-rain-water-ii|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|84. 柱状图中最大的矩形|1|https://leetcode-cn.com/problems/largest-rectangle-in-histogram|
|74. 搜索二维矩阵|1|https://leetcode-cn.com/problems/search-a-2d-matrix|
|329. 矩阵中的最长递增路径|1|https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix|
|172. 阶乘后的零|1|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|432. 全 O(1) 的数据结构|1|https://leetcode-cn.com/problems/all-oone-data-structure|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|164. 最大间距|1|https://leetcode-cn.com/problems/maximum-gap|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|剑指 Offer 62. 圆圈中最后剩下的数字|1|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|658. 找到 K 个最接近的元素|1|https://leetcode-cn.com/problems/find-k-closest-elements|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|355. 设计推特|1|https://leetcode-cn.com/problems/design-twitter|
|剑指 Offer 11. 旋转数组的最小数字|1|https://leetcode-cn.com/problems/xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof|
|698. 划分为k个相等的子集|1|https://leetcode-cn.com/problems/partition-to-k-equal-sum-subsets|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|875. 爱吃香蕉的珂珂|1|https://leetcode-cn.com/problems/koko-eating-bananas|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|19. 删除链表的倒数第N个节点|1|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|673. 最长递增子序列的个数|1|https://leetcode-cn.com/problems/number-of-longest-increasing-subsequence|
|剑指 Offer 34. 二叉树中和为某一值的路径|1|https://leetcode-cn.com/problems/er-cha-shu-zhong-he-wei-mou-yi-zhi-de-lu-jing-lcof|
|670. 最大交换|1|https://leetcode-cn.com/problems/maximum-swap|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|897. 递增顺序查找树|1|https://leetcode-cn.com/problems/increasing-order-search-tree|
|653. 两数之和 IV - 输入 BST|1|https://leetcode-cn.com/problems/two-sum-iv-input-is-a-bst|
|310. 最小高度树|1|https://leetcode-cn.com/problems/minimum-height-trees|
|167. 两数之和 II - 输入有序数组|1|https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted|
|611. 有效三角形的个数|1|https://leetcode-cn.com/problems/valid-triangle-number|
|92. 反转链表 II|1|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|剑指 Offer 07. 重建二叉树|1|https://leetcode-cn.com/problems/zhong-jian-er-cha-shu-lcof|
|525. 连续数组|1|https://leetcode-cn.com/problems/contiguous-array|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|378. 有序矩阵中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix|

================================================
FILE: bytedance/backend.md
================================================
# 后端
我开发的[CodeTop题库](https://codetop.cc)可以按照部门、难度筛选，比markdown更方便查询高频题

|题目|出现次数|链接|
|-|-|-|
|25. K 个一组翻转链表|60|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|3. 无重复字符的最长子串|57|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|146. LRU缓存机制|53|https://leetcode-cn.com/problems/lru-cache|
|215. 数组中的第K个最大元素|52|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|206. 反转链表|51|https://leetcode-cn.com/problems/reverse-linked-list|
|103. 二叉树的锯齿形层次遍历|47|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|15. 三数之和|42|https://leetcode-cn.com/problems/3sum|
|121. 买卖股票的最佳时机|41|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|160. 相交链表|32|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|236. 二叉树的最近公共祖先|32|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|42. 接雨水|31|https://leetcode-cn.com/problems/trapping-rain-water|
|33. 搜索旋转排序数组|27|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|31. 下一个排列|27|https://leetcode-cn.com/problems/next-permutation|
|199. 二叉树的右视图|24|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|54. 螺旋矩阵|24|https://leetcode-cn.com/problems/spiral-matrix|
|143. 重排链表|24|https://leetcode-cn.com/problems/reorder-list|
|23. 合并K个排序链表|23|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|21. 合并两个有序链表|22|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|300. 最长上升子序列|21|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|69. x 的平方根|20|https://leetcode-cn.com/problems/sqrtx|
|92. 反转链表 II|20|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|105. 从前序与中序遍历序列构造二叉树|19|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|1. 两数之和|19|https://leetcode-cn.com/problems/two-sum|
|124. 二叉树中的最大路径和|18|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|200. 岛屿数量|18|https://leetcode-cn.com/problems/number-of-islands|
|41. 缺失的第一个正数|17|https://leetcode-cn.com/problems/first-missing-positive|
|101. 对称二叉树|16|https://leetcode-cn.com/problems/symmetric-tree|
|56. 合并区间|16|https://leetcode-cn.com/problems/merge-intervals|
|415. 字符串相加|16|https://leetcode-cn.com/problems/add-strings|
|155. 最小栈|16|https://leetcode-cn.com/problems/min-stack|
|46. 全排列|16|https://leetcode-cn.com/problems/permutations|
|76. 最小覆盖子串|16|https://leetcode-cn.com/problems/minimum-window-substring|
|补充题1. 排序奇升偶降链表|16|https://mp.weixin.qq.com/s/0WVa2wIAeG0nYnVndZiEXQ|
|141. 环形链表|14|https://leetcode-cn.com/problems/linked-list-cycle|
|221. 最大正方形|14|https://leetcode-cn.com/problems/maximal-square|
|20. 有效的括号|14|https://leetcode-cn.com/problems/valid-parentheses|
|98. 验证二叉搜索树|14|https://leetcode-cn.com/problems/validate-binary-search-tree|
|39. 组合总和|14|https://leetcode-cn.com/problems/combination-sum|
|102. 二叉树的层序遍历|13|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|53. 最大子序和|13|https://leetcode-cn.com/problems/maximum-subarray|
|322. 零钱兑换|13|https://leetcode-cn.com/problems/coin-change|
|162. 寻找峰值|13|https://leetcode-cn.com/problems/find-peak-element|
|122. 买卖股票的最佳时机 II|13|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|142. 环形链表 II|13|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|48. 旋转图像|13|https://leetcode-cn.com/problems/rotate-image|
|470. 用 Rand7() 实现 Rand10()|13|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|补充题2. 圆环回原点问题|13|https://mp.weixin.qq.com/s/NZPaFsFrTybO3K3s7p7EVg|
|234. 回文链表|12|https://leetcode-cn.com/problems/palindrome-linked-list|
|518. 零钱兑换 II|12|https://leetcode-cn.com/problems/coin-change-2|
|88. 合并两个有序数组|12|https://leetcode-cn.com/problems/merge-sorted-array|
|2. 两数相加|12|https://leetcode-cn.com/problems/add-two-numbers|
|32. 最长有效括号|12|https://leetcode-cn.com/problems/longest-valid-parentheses|
|958. 二叉树的完全性检验|12|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|148. 排序链表|12|https://leetcode-cn.com/problems/sort-list|
|198. 打家劫舍|12|https://leetcode-cn.com/problems/house-robber|
|232. 用栈实现队列|12|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|补充题4. 手撕快速排序|12|https://leetcode-cn.com/problems/sort-an-array|
|113. 路径总和 II|11|https://leetcode-cn.com/problems/path-sum-ii|
|5. 最长回文子串|11|https://leetcode-cn.com/problems/longest-palindromic-substring|
|543. 二叉树的直径|10|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|79. 单词搜索|10|https://leetcode-cn.com/problems/word-search|
|82. 删除排序链表中的重复元素 II|10|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|83. 删除排序链表中的重复元素|9|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|128. 最长连续序列|9|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|22. 括号生成|9|https://leetcode-cn.com/problems/generate-parentheses|
|94. 二叉树的中序遍历|9|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|739. 每日温度|9|https://leetcode-cn.com/problems/daily-temperatures|
|78. 子集|9|https://leetcode-cn.com/problems/subsets|
|补充题9. 36进制加法|9|https://mp.weixin.qq.com/s/XcKQwnwCh5nZsz-DLHJwzQ|
|剑指 Offer 54. 二叉搜索树的第k大节点|8|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|8. 字符串转换整数 (atoi)|8|https://leetcode-cn.com/problems/string-to-integer-atoi|
|24. 两两交换链表中的节点|8|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|114. 二叉树展开为链表|8|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|剑指 Offer 22. 链表中倒数第k个节点|8|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|93. 复原IP地址|8|https://leetcode-cn.com/problems/restore-ip-addresses|
|440. 字典序的第K小数字|8|https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order|
|70. 爬楼梯|7|https://leetcode-cn.com/problems/climbing-stairs|
|112. 路径总和|7|https://leetcode-cn.com/problems/path-sum|
|695. 岛屿的最大面积|7|https://leetcode-cn.com/problems/max-area-of-island|
|138. 复制带随机指针的链表|7|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|19. 删除链表的倒数第N个节点|7|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|129. 求根到叶子节点数字之和|7|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|662. 二叉树最大宽度|7|https://leetcode-cn.com/problems/maximum-width-of-binary-tree|
|240. 搜索二维矩阵 II|7|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|556. 下一个更大元素 III|7|https://leetcode-cn.com/problems/next-greater-element-iii|
|230. 二叉搜索树中第K小的元素|6|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|110. 平衡二叉树|6|https://leetcode-cn.com/problems/balanced-binary-tree|
|328. 奇偶链表|6|https://leetcode-cn.com/problems/odd-even-linked-list|
|460. LFU缓存|6|https://leetcode-cn.com/problems/lfu-cache|
|64. 最小路径和|6|https://leetcode-cn.com/problems/minimum-path-sum|
|61. 旋转链表|6|https://leetcode-cn.com/problems/rotate-list|
|188. 买卖股票的最佳时机 IV|6|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv|
|224. 基本计算器|6|https://leetcode-cn.com/problems/basic-calculator|
|剑指 Offer 36. 二叉搜索树与双向链表|6|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|226. 翻转二叉树|6|https://leetcode-cn.com/problems/invert-binary-tree|
|209. 长度最小的子数组|6|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|862. 和至少为 K 的最短子数组|6|https://leetcode-cn.com/problems/shortest-subarray-with-sum-at-least-k|
|11. 盛最多水的容器|6|https://leetcode-cn.com/problems/container-with-most-water|
|补充题7. 木头切割问题|6|https://mp.weixin.qq.com/s/FQma0bdAWbzLMmCKhZRk7w|
|补充题23. 检测循环依赖|6|https://mp.weixin.qq.com/s/pCRscwKqQdYYN7M1Sia7xA|
|108. 将有序数组转换为二叉搜索树|5|https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree|
|1143. 最长公共子序列|5|https://leetcode-cn.com/problems/longest-common-subsequence|
|297. 二叉树的序列化与反序列化|5|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|560. 和为K的子数组|5|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|704. 二分查找|5|https://leetcode-cn.com/problems/binary-search|
|670. 最大交换|5|https://leetcode-cn.com/problems/maximum-swap|
|421. 数组中两个数的最大异或值|5|https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array|
|104. 二叉树的最大深度|5|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|135. 分发糖果|5|https://leetcode-cn.com/problems/candy|
|151. 翻转字符串里的单词|5|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|287. 寻找重复数|5|https://leetcode-cn.com/problems/find-the-duplicate-number|
|528. 按权重随机选择|5|https://leetcode-cn.com/problems/random-pick-with-weight|
|91. 解码方法|5|https://leetcode-cn.com/problems/decode-ways|
|59. 螺旋矩阵 II|5|https://leetcode-cn.com/problems/spiral-matrix-ii|
|718. 最长重复子数组|5|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|139. 单词拆分|4|https://leetcode-cn.com/problems/word-break|
|剑指 Offer 11. 旋转数组的最小数字|4|https://leetcode-cn.com/problems/xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof|
|62. 不同路径|4|https://leetcode-cn.com/problems/unique-paths|
|剑指 Offer 51. 数组中的逆序对|4|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|40. 组合总和 II|4|https://leetcode-cn.com/problems/combination-sum-ii|
|1047. 删除字符串中的所有相邻重复项|4|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|402. 移掉K位数字|4|https://leetcode-cn.com/problems/remove-k-digits|
|169. 多数元素|4|https://leetcode-cn.com/problems/majority-element|
|152. 乘积最大子数组|4|https://leetcode-cn.com/problems/maximum-product-subarray|
|50. Pow(x, n)|4|https://leetcode-cn.com/problems/powx-n|
|4. 寻找两个正序数组的中位数|4|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|456. 132模式|4|https://leetcode-cn.com/problems/132-pattern|
|239. 滑动窗口最大值|4|https://leetcode-cn.com/problems/sliding-window-maximum|
|722. 删除注释|4|https://leetcode-cn.com/problems/remove-comments|
|1095. 山脉数组中查找目标值|4|https://leetcode-cn.com/problems/find-in-mountain-array|
|72. 编辑距离|4|https://leetcode-cn.com/problems/edit-distance|
|153. 寻找旋转排序数组中的最小值|4|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|补充题3. 求区间最小数乘区间和的最大值|4|https://mp.weixin.qq.com/s/UFv7pt_djjZoK_gzUBrRXA|
|补充题6. 手撕堆排序|4|https://leetcode-cn.com/problems/sort-an-array|
|227. 基本计算器 II|4|https://leetcode-cn.com/problems/basic-calculator-ii|
|763. 划分字母区间|4|https://leetcode-cn.com/problems/partition-labels|
|剑指 Offer 53 - I. 在排序数组中查找数字 I|4|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
|剑指 Offer 61. 扑克牌中的顺子|3|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
|977. 有序数组的平方|3|https://leetcode-cn.com/problems/squares-of-a-sorted-array|
|剑指 Offer 09. 用两个栈实现队列|3|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|503. 下一个更大元素 II|3|https://leetcode-cn.com/problems/next-greater-element-ii|
|283. 移动零|3|https://leetcode-cn.com/problems/move-zeroes|
|166. 分数到小数|3|https://leetcode-cn.com/problems/fraction-to-recurring-decimal|
|264. 丑数 II|3|https://leetcode-cn.com/problems/ugly-number-ii|
|210. 课程表 II|3|https://leetcode-cn.com/problems/course-schedule-ii|
|394. 字符串解码|3|https://leetcode-cn.com/problems/decode-string|
|145. 二叉树的后序遍历|3|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|71. 简化路径|3|https://leetcode-cn.com/problems/simplify-path|
|134. 加油站|3|https://leetcode-cn.com/problems/gas-station|
|340. 至多包含 K 个不同字符的最长子串|3|https://leetcode-cn.com/problems/longest-substring-with-at-most-k-distinct-characters|
|86. 分隔链表|3|https://leetcode-cn.com/problems/partition-list|
|329. 矩阵中的最长递增路径|3|https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix|
|144. 二叉树的前序遍历|3|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|10. 正则表达式匹配|3|https://leetcode-cn.com/problems/regular-expression-matching|
|剑指 Offer 46. 把数字翻译成字符串|3|https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof|
|136. 只出现一次的数字|3|https://leetcode-cn.com/problems/single-number|
|18. 四数之和|3|https://leetcode-cn.com/problems/4sum|
|剑指 Offer 27. 二叉树的镜像|3|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|225. 用队列实现栈|3|https://leetcode-cn.com/problems/implement-stack-using-queues|
|647. 回文子串|3|https://leetcode-cn.com/problems/palindromic-substrings|
|34. 在排序数组中查找元素的第一个和最后一个位置|3|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|165. 比较版本号|3|https://leetcode-cn.com/problems/compare-version-numbers|
|887. 鸡蛋掉落|3|https://leetcode-cn.com/problems/super-egg-drop|
|106. 从中序与后序遍历序列构造二叉树|3|https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal|
|498. 对角线遍历|3|https://leetcode-cn.com/problems/diagonal-traverse|
|354. 俄罗斯套娃信封问题|3|https://leetcode-cn.com/problems/russian-doll-envelopes|
|767. 重构字符串|3|https://leetcode-cn.com/problems/reorganize-string|
|1254. 统计封闭岛屿的数目|2|https://leetcode-cn.com/problems/number-of-closed-islands|
|347. 前 K 个高频元素|2|https://leetcode-cn.com/problems/top-k-frequent-elements|
|剑指 Offer 10- II. 青蛙跳台阶问题|2|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|剑指 Offer 45. 把数组排成最小的数|2|https://leetcode-cn.com/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof|
|99. 恢复二叉搜索树|2|https://leetcode-cn.com/problems/recover-binary-search-tree|
|125. 验证回文串|2|https://leetcode-cn.com/problems/valid-palindrome|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|523. 连续的子数组和|2|https://leetcode-cn.com/problems/continuous-subarray-sum|
|剑指 Offer 48. 最长不含重复字符的子字符串|2|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|剑指 Offer 04. 二维数组中的查找|2|https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof|
|补充题24. 双栈排序|2|https://mp.weixin.qq.com/s/g_AqwsSEUwlRSevnStPkEA|
|208. 实现 Trie (前缀树)|2|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|剑指 Offer 19. 正则表达式匹配|2|https://leetcode-cn.com/problems/zheng-ze-biao-da-shi-pi-pei-lcof|
|895. 最大频率栈|2|https://leetcode-cn.com/problems/maximum-frequency-stack|
|398. 随机数索引|2|https://leetcode-cn.com/problems/random-pick-index|
|45. 跳跃游戏 II|2|https://leetcode-cn.com/problems/jump-game-ii|
|416. 分割等和子集|2|https://leetcode-cn.com/problems/partition-equal-subset-sum|
|668. 乘法表中第k小的数|2|https://leetcode-cn.com/problems/kth-smallest-number-in-multiplication-table|
|120. 三角形最小路径和|2|https://leetcode-cn.com/problems/triangle|
|123. 买卖股票的最佳时机 III|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
|154. 寻找旋转排序数组中的最小值 II|2|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii|
|147. 对链表进行插入排序|2|https://leetcode-cn.com/problems/insertion-sort-list|
|785. 判断二分图|2|https://leetcode-cn.com/problems/is-graph-bipartite|
|468. 验证IP地址|2|https://leetcode-cn.com/problems/validate-ip-address|
|295. 数据流的中位数|2|https://leetcode-cn.com/problems/find-median-from-data-stream|
|404. 左叶子之和|2|https://leetcode-cn.com/problems/sum-of-left-leaves|
|84. 柱状图中最大的矩形|2|https://leetcode-cn.com/problems/largest-rectangle-in-histogram|
|43. 字符串相乘|2|https://leetcode-cn.com/problems/multiply-strings|
|14. 最长公共前缀|2|https://leetcode-cn.com/problems/longest-common-prefix|
|974. 和可被 K 整除的子数组|2|https://leetcode-cn.com/problems/subarray-sums-divisible-by-k|
|922. 按奇偶排序数组 II|2|https://leetcode-cn.com/problems/sort-array-by-parity-ii|
|75. 颜色分类|2|https://leetcode-cn.com/problems/sort-colors|
|191. 位1的个数|2|https://leetcode-cn.com/problems/number-of-1-bits|
|60. 第k个排列|2|https://leetcode-cn.com/problems/permutation-sequence|
|补充题10. 36进制减法|2|https://mp.weixin.qq.com/s/ub9GpTBjDF55hZld3V2rEA|
|补充题5. 手撕归并排序|2|https://leetcode-cn.com/problems/sort-an-array|
|189. 旋转数组|2|https://leetcode-cn.com/problems/rotate-array|
|74. 搜索二维矩阵|2|https://leetcode-cn.com/problems/search-a-2d-matrix|
|补充题14. 阿拉伯数字转中文数字|2||
|剑指 Offer 03. 数组中重复的数字|2|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
|253. 会议室 II|2|https://leetcode-cn.com/problems/meeting-rooms-ii|
|7. 整数反转|2|https://leetcode-cn.com/problems/reverse-integer|
|47. 全排列 II|2|https://leetcode-cn.com/problems/permutations-ii|
|85. 最大矩形|2|https://leetcode-cn.com/problems/maximal-rectangle|
|81. 搜索旋转排序数组 II|2|https://leetcode-cn.com/problems/search-in-rotated-sorted-array-ii|
|44. 通配符匹配|2|https://leetcode-cn.com/problems/wildcard-matching|
|703. 数据流中的第K大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-a-stream|
|443. 压缩字符串|2|https://leetcode-cn.com/problems/string-compression|
|381. O(1) 时间插入、删除和获取随机元素 - 允许重复|2|https://leetcode-cn.com/problems/insert-delete-getrandom-o1-duplicates-allowed|
|补充题20. 立方根|2||
|395. 至少有K个重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-with-at-least-k-repeating-characters|
|剑指 Offer 52. 两个链表的第一个公共节点|1|https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof|
|111. 二叉树的最小深度|1|https://leetcode-cn.com/problems/minimum-depth-of-binary-tree|
|994. 腐烂的橘子|1|https://leetcode-cn.com/problems/rotting-oranges|
|344. 反转字符串|1|https://leetcode-cn.com/problems/reverse-string|
|1299. 将每个元素替换为右侧最大元素|1|https://leetcode-cn.com/problems/replace-elements-with-greatest-element-on-right-side|
|67. 二进制求和|1|https://leetcode-cn.com/problems/add-binary|
|515. 在每个树行中找最大值|1|https://leetcode-cn.com/problems/find-largest-value-in-each-tree-row|
|1147. 段式回文|1|https://leetcode-cn.com/problems/longest-chunked-palindrome-decomposition|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|100. 相同的树|1|https://leetcode-cn.com/problems/same-tree|
|842. 将数组拆分成斐波那契序列|1|https://leetcode-cn.com/problems/split-array-into-fibonacci-sequence|
|剑指 Offer 33. 二叉搜索树的后序遍历序列|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof|
|剑指 Offer 38. 字符串的排列|1|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|剑指 Offer 53 - II. 0～n-1中缺失的数字|1|https://leetcode-cn.com/problems/que-shi-de-shu-zi-lcof|
|701. 二叉搜索树中的插入操作|1|https://leetcode-cn.com/problems/insert-into-a-binary-search-tree|
|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|1156. 单字符重复子串的最大长度|1|https://leetcode-cn.com/problems/swap-for-longest-repeated-character-substring|
|449. 序列化和反序列化二叉搜索树|1|https://leetcode-cn.com/problems/serialize-and-deserialize-bst|
|面试题 08.12. 八皇后|1|https://leetcode-cn.com/problems/eight-queens-lcci|
|37. 解数独|1|https://leetcode-cn.com/problems/sudoku-solver|
|410. 分割数组的最大值|1|https://leetcode-cn.com/problems/split-array-largest-sum|
|694. 不同岛屿的数量|1|https://leetcode-cn.com/problems/number-of-distinct-islands|
|剑指 Offer 18. 删除链表的节点|1|https://leetcode-cn.com/problems/shan-chu-lian-biao-de-jie-dian-lcof|
|912. 排序数组|1|https://leetcode-cn.com/problems/sort-an-array|
|173. 二叉搜索树迭代器|1|https://leetcode-cn.com/problems/binary-search-tree-iterator|
|1139. 最大的以 1 为边界的正方形|1|https://leetcode-cn.com/problems/largest-1-bordered-square|
|剑指 Offer 25. 合并两个排序的链表|1|https://leetcode-cn.com/problems/he-bing-liang-ge-pai-xu-de-lian-biao-lcof|
|325. 和等于 k 的最长子数组长度|1|https://leetcode-cn.com/problems/maximum-size-subarray-sum-equals-k|
|1363. 形成三的最大倍数|1|https://leetcode-cn.com/problems/largest-multiple-of-three|
|951. 翻转等价二叉树|1|https://leetcode-cn.com/problems/flip-equivalent-binary-trees|
|107. 二叉树的层次遍历 II|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii|
|637. 二叉树的层平均值|1|https://leetcode-cn.com/problems/average-of-levels-in-binary-tree|
|277. 搜寻名人|1|https://leetcode-cn.com/problems/find-the-celebrity|
|321. 拼接最大数|1|https://leetcode-cn.com/problems/create-maximum-number|
|525. 连续数组|1|https://leetcode-cn.com/problems/contiguous-array|
|剑指 Offer 58 - II. 左旋转字符串|1|https://leetcode-cn.com/problems/zuo-xuan-zhuan-zi-fu-chuan-lcof|
|97. 交错字符串|1|https://leetcode-cn.com/problems/interleaving-string|
|204. 计数质数|1|https://leetcode-cn.com/problems/count-primes|
|202. 快乐数|1|https://leetcode-cn.com/problems/happy-number|
|1669. 合并两个链表|1|https://leetcode-cn.com/problems/merge-in-between-linked-lists|
|807. 保持城市天际线|1|https://leetcode-cn.com/problems/max-increase-to-keep-city-skyline|
|889. 根据前序和后序遍历构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal|
|剑指 Offer 05. 替换空格|1|https://leetcode-cn.com/problems/ti-huan-kong-ge-lcof|
|279. 完全平方数|1|https://leetcode-cn.com/problems/perfect-squares|
|17. 电话号码的字母组合|1|https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number|
|459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern|
|剑指 Offer 59 - II. 队列的最大值|1|https://leetcode-cn.com/problems/dui-lie-de-zui-da-zhi-lcof|
|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
|1438. 绝对差不超过限制的最长连续子数组|1|https://leetcode-cn.com/problems/longest-continuous-subarray-with-absolute-diff-less-than-or-equal-to-limit|
|剑指 Offer 62. 圆圈中最后剩下的数字|1|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|836. 矩形重叠|1|https://leetcode-cn.com/problems/rectangle-overlap|
|1172. 餐盘栈|1|https://leetcode-cn.com/problems/dinner-plate-stacks|
|547. 省份数量（原朋友圈）|1|https://leetcode-cn.com/problems/number-of-provinces|
|面试题 17.24. 最大子矩阵|1|https://leetcode-cn.com/problems/max-submatrix-lcci|
|1302. 层数最深叶子节点的和|1|https://leetcode-cn.com/problems/deepest-leaves-sum|
|448. 找到所有数组中消失的数字|1|https://leetcode-cn.com/problems/find-all-numbers-disappeared-in-an-array|
|127. 单词接龙|1|https://leetcode-cn.com/problems/word-ladder|
|剑指 Offer 55 - II. 平衡二叉树|1|https://leetcode-cn.com/problems/ping-heng-er-cha-shu-lcof|
|剑指 Offer 55 - I. 二叉树的深度|1|https://leetcode-cn.com/problems/er-cha-shu-de-shen-du-lcof|
|面试题 08.05. 递归乘法|1|https://leetcode-cn.com/problems/recursive-mulitply-lcci|
|179. 最大数|1|https://leetcode-cn.com/problems/largest-number|
|1107. 每日新用户统计|1|https://leetcode-cn.com/problems/new-users-daily-count|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|397. 整数替换|1|https://leetcode-cn.com/problems/integer-replacement|
|564. 寻找最近的回文数|1|https://leetcode-cn.com/problems/find-the-closest-palindrome|
|765. 情侣牵手|1|https://leetcode-cn.com/problems/couples-holding-hands|
|80. 删除排序数组中的重复项 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array-ii|
|77. 组合|1|https://leetcode-cn.com/problems/combinations|
|378. 有序矩阵中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix|
|384. 打乱数组|1|https://leetcode-cn.com/problems/shuffle-an-array|
|剑指 Offer 56 - I. 数组中数字出现的次数|1|https://leetcode-cn.com/problems/shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-lcof|
|28. 实现 strStr()|1|https://leetcode-cn.com/problems/implement-strstr|
|剑指 Offer 32 - III. 从上到下打印二叉树 III|1|https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof|
|207. 课程表|1|https://leetcode-cn.com/problems/course-schedule|
|386. 字典序排数|1|https://leetcode-cn.com/problems/lexicographical-numbers|
|面试题 03.03. 堆盘子|1|https://leetcode-cn.com/problems/stack-of-plates-lcci|
|331. 验证二叉树的前序序列化|1|https://leetcode-cn.com/problems/verify-preorder-serialization-of-a-binary-tree|
|剑指 Offer 28. 对称的二叉树|1|https://leetcode-cn.com/problems/dui-cheng-de-er-cha-shu-lcof|
|剑指 Offer 68 - II. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/er-cha-shu-de-zui-jin-gong-gong-zu-xian-lcof|
|848. 字母移位|1|https://leetcode-cn.com/problems/shifting-letters|
|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
|990. 等式方程的可满足性|1|https://leetcode-cn.com/problems/satisfiability-of-equality-equations|
|567. 字符串的排列|1|https://leetcode-cn.com/problems/permutation-in-string|
|496. 下一个更大元素 I|1|https://leetcode-cn.com/problems/next-greater-element-i|
|967. 连续差相同的数字|1|https://leetcode-cn.com/problems/numbers-with-same-consecutive-differences|
|1405. 最长快乐字符串|1|https://leetcode-cn.com/problems/longest-happy-string|
|1353. 最多可以参加的会议数目|1|https://leetcode-cn.com/problems/maximum-number-of-events-that-can-be-attended|
|1574. 删除最短的子数组使剩余数组有序|1|https://leetcode-cn.com/problems/shortest-subarray-to-be-removed-to-make-array-sorted|
|949. 给定数字能组成的最大时间|1|https://leetcode-cn.com/problems/largest-time-for-given-digits|
|剑指 Offer 31. 栈的压入、弹出序列|1|https://leetcode-cn.com/problems/zhan-de-ya-ru-dan-chu-xu-lie-lcof|
|213. 打家劫舍 II|1|https://leetcode-cn.com/problems/house-robber-ii|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|1475. 商品折扣后的最终价格|1|https://leetcode-cn.com/problems/final-prices-with-a-special-discount-in-a-shop|
|剑指 Offer 43. 1～n整数中1出现的次数|1|https://leetcode-cn.com/problems/1nzheng-shu-zhong-1chu-xian-de-ci-shu-lcof|
|706. 设计哈希映射|1|https://leetcode-cn.com/problems/design-hashmap|
|252. 会议室|1|https://leetcode-cn.com/problems/meeting-rooms|
|剑指 Offer 63. 股票的最大利润|1|https://leetcode-cn.com/problems/gu-piao-de-zui-da-li-run-lcof|
|680. 验证回文字符串 Ⅱ|1|https://leetcode-cn.com/problems/valid-palindrome-ii|
|341. 扁平化嵌套列表迭代器|1|https://leetcode-cn.com/problems/flatten-nested-list-iterator|
|140. 单词拆分 II|1|https://leetcode-cn.com/problems/word-break-ii|
|716. 最大栈|1|https://leetcode-cn.com/problems/max-stack|
|214. 最短回文串|1|https://leetcode-cn.com/problems/shortest-palindrome|
|633. 平方数之和|1|https://leetcode-cn.com/problems/sum-of-square-numbers|
|补充题17. 两个有序数组第k小的数|1||
|589. N叉树的前序遍历|1|https://leetcode-cn.com/problems/n-ary-tree-preorder-traversal|
|1675. 数组的最小偏移量|1|https://leetcode-cn.com/problems/minimize-deviation-in-array|
|485. 最大连续1的个数|1|https://leetcode-cn.com/problems/max-consecutive-ones|
|补充题8. 计算数组的小和|1|https://mp.weixin.qq.com/s/rMsbcUf9ZPhvfRoyZGW6HA|
|剑指 Offer 34. 二叉树中和为某一值的路径|1|https://leetcode-cn.com/problems/er-cha-shu-zhong-he-wei-mou-yi-zhi-de-lu-jing-lcof|
|剑指 Offer 17. 打印从1到最大的n位数|1|https://leetcode-cn.com/problems/da-yin-cong-1dao-zui-da-de-nwei-shu-lcof|
|861. 翻转矩阵后的得分|1|https://leetcode-cn.com/problems/score-after-flipping-matrix|
|168. Excel表列名称|1|https://leetcode-cn.com/problems/excel-sheet-column-title|
|剑指 Offer 14- I. 剪绳子|1|https://leetcode-cn.com/problems/jian-sheng-zi-lcof|
|96. 不同的二叉搜索树|1|https://leetcode-cn.com/problems/unique-binary-search-trees|
|13. 罗马数字转整数|1|https://leetcode-cn.com/problems/roman-to-integer|
|1190. 反转每对括号间的子串|1|https://leetcode-cn.com/problems/reverse-substrings-between-each-pair-of-parentheses|
|16. 最接近的三数之和|1|https://leetcode-cn.com/problems/3sum-closest|
|216. 组合总和 III|1|https://leetcode-cn.com/problems/combination-sum-iii|
|剑指 Offer 32 - II. 从上到下打印二叉树 II|1|https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-ii-lcof|
|736. Lisp 语法解析|1|https://leetcode-cn.com/problems/parse-lisp-expression|
|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|

================================================
FILE: bytedance/client.md
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# 客户端
我开发的[CodeTop题库](https://codetop.cc)可以按照部门、难度筛选，比markdown更方便查询高频题

|题目|出现次数|链接|
|-|-|-|
|206. 反转链表|21|https://leetcode-cn.com/problems/reverse-linked-list|
|25. K 个一组翻转链表|18|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|160. 相交链表|18|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|215. 数组中的第K个最大元素|17|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|53. 最大子序和|17|https://leetcode-cn.com/problems/maximum-subarray|
|146. LRU缓存机制|16|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|13|https://leetcode-cn.com/problems/3sum|
|1. 两数之和|13|https://leetcode-cn.com/problems/two-sum|
|3. 无重复字符的最长子串|12|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|121. 买卖股票的最佳时机|10|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|21. 合并两个有序链表|10|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|113. 路径总和 II|10|https://leetcode-cn.com/problems/path-sum-ii|
|102. 二叉树的层序遍历|10|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|103. 二叉树的锯齿形层次遍历|10|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|236. 二叉树的最近公共祖先|9|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|958. 二叉树的完全性检验|9|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|105. 从前序与中序遍历序列构造二叉树|9|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|41. 缺失的第一个正数|8|https://leetcode-cn.com/problems/first-missing-positive|
|199. 二叉树的右视图|8|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|54. 螺旋矩阵|8|https://leetcode-cn.com/problems/spiral-matrix|
|101. 对称二叉树|8|https://leetcode-cn.com/problems/symmetric-tree|
|415. 字符串相加|8|https://leetcode-cn.com/problems/add-strings|
|232. 用栈实现队列|7|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|112. 路径总和|7|https://leetcode-cn.com/problems/path-sum|
|剑指 Offer 09. 用两个栈实现队列|7|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|56. 合并区间|7|https://leetcode-cn.com/problems/merge-intervals|
|42. 接雨水|7|https://leetcode-cn.com/problems/trapping-rain-water|
|34. 在排序数组中查找元素的第一个和最后一个位置|7|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|19. 删除链表的倒数第N个节点|7|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|151. 翻转字符串里的单词|6|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|141. 环形链表|6|https://leetcode-cn.com/problems/linked-list-cycle|
|142. 环形链表 II|6|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|94. 二叉树的中序遍历|6|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|144. 二叉树的前序遍历|6|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|543. 二叉树的直径|6|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|104. 二叉树的最大深度|6|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|2. 两数相加|6|https://leetcode-cn.com/problems/add-two-numbers|
|4. 寻找两个正序数组的中位数|6|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|82. 删除排序链表中的重复元素 II|6|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|394. 字符串解码|5|https://leetcode-cn.com/problems/decode-string|
|200. 岛屿数量|5|https://leetcode-cn.com/problems/number-of-islands|
|165. 比较版本号|5|https://leetcode-cn.com/problems/compare-version-numbers|
|补充题9. 36进制加法|5|https://mp.weixin.qq.com/s/XcKQwnwCh5nZsz-DLHJwzQ|
|344. 反转字符串|4|https://leetcode-cn.com/problems/reverse-string|
|88. 合并两个有序数组|4|https://leetcode-cn.com/problems/merge-sorted-array|
|136. 只出现一次的数字|4|https://leetcode-cn.com/problems/single-number|
|226. 翻转二叉树|4|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 36. 二叉搜索树与双向链表|4|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|240. 搜索二维矩阵 II|4|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|4|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|460. LFU缓存|4|https://leetcode-cn.com/problems/lfu-cache|
|69. x 的平方根|4|https://leetcode-cn.com/problems/sqrtx|
|322. 零钱兑换|4|https://leetcode-cn.com/problems/coin-change|
|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
|189. 旋转数组|4|https://leetcode-cn.com/problems/rotate-array|
|剑指 Offer 27. 二叉树的镜像|4|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|225. 用队列实现栈|4|https://leetcode-cn.com/problems/implement-stack-using-queues|
|59. 螺旋矩阵 II|4|https://leetcode-cn.com/problems/spiral-matrix-ii|
|剑指 Offer 22. 链表中倒数第k个节点|4|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|补充题4. 手撕快速排序|4|https://leetcode-cn.com/problems/sort-an-array|
|剑指 Offer 33. 二叉搜索树的后序遍历序列|4|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof|
|518. 零钱兑换 II|3|https://leetcode-cn.com/problems/coin-change-2|
|300. 最长上升子序列|3|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|145. 二叉树的后序遍历|3|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|162. 寻找峰值|3|https://leetcode-cn.com/problems/find-peak-element|
|124. 二叉树中的最大路径和|3|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
|61. 旋转链表|3|https://leetcode-cn.com/problems/rotate-list|
|110. 平衡二叉树|3|https://leetcode-cn.com/problems/balanced-binary-tree|
|16. 最接近的三数之和|3|https://leetcode-cn.com/problems/3sum-closest|
|20. 有效的括号|3|https://leetcode-cn.com/problems/valid-parentheses|
|5. 最长回文子串|3|https://leetcode-cn.com/problems/longest-palindromic-substring|
|443. 压缩字符串|3|https://leetcode-cn.com/problems/string-compression|
|1143. 最长公共子序列|3|https://leetcode-cn.com/problems/longest-common-subsequence|
|75. 颜色分类|3|https://leetcode-cn.com/problems/sort-colors|
|24. 两两交换链表中的节点|3|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|315. 计算右侧小于当前元素的个数|3|https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self|
|129. 求根到叶子节点数字之和|3|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|76. 最小覆盖子串|3|https://leetcode-cn.com/problems/minimum-window-substring|
|补充题1. 排序奇升偶降链表|3|https://mp.weixin.qq.com/s/0WVa2wIAeG0nYnVndZiEXQ|
|剑指 Offer 38. 字符串的排列|3|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|114. 二叉树展开为链表|3|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|剑指 Offer 52. 两个链表的第一个公共节点|2|https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof|
|剑指 Offer 45. 把数组排成最小的数|2|https://leetcode-cn.com/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof|
|234. 回文链表|2|https://leetcode-cn.com/problems/palindrome-linked-list|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|190. 颠倒二进制位|2|https://leetcode-cn.com/problems/reverse-bits|
|122. 买卖股票的最佳时机 II|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|7. 整数反转|2|https://leetcode-cn.com/problems/reverse-integer|
|662. 二叉树最大宽度|2|https://leetcode-cn.com/problems/maximum-width-of-binary-tree|
|62. 不同路径|2|https://leetcode-cn.com/problems/unique-paths|
|191. 位1的个数|2|https://leetcode-cn.com/problems/number-of-1-bits|
|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|739. 每日温度|2|https://leetcode-cn.com/problems/daily-temperatures|
|92. 反转链表 II|2|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|剑指 Offer 62. 圆圈中最后剩下的数字|2|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|164. 最大间距|2|https://leetcode-cn.com/problems/maximum-gap|
|71. 简化路径|2|https://leetcode-cn.com/problems/simplify-path|
|98. 验证二叉搜索树|2|https://leetcode-cn.com/problems/validate-binary-search-tree|
|55. 跳跃游戏|2|https://leetcode-cn.com/problems/jump-game|
|17. 电话号码的字母组合|2|https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number|
|72. 编辑距离|2|https://leetcode-cn.com/problems/edit-distance|
|347. 前 K 个高频元素|2|https://leetcode-cn.com/problems/top-k-frequent-elements|
|977. 有序数组的平方|2|https://leetcode-cn.com/problems/squares-of-a-sorted-array|
|155. 最小栈|2|https://leetcode-cn.com/problems/min-stack|
|32. 最长有效括号|2|https://leetcode-cn.com/problems/longest-valid-parentheses|
|438. 找到字符串中所有字母异位词|2|https://leetcode-cn.com/problems/find-all-anagrams-in-a-string|
|93. 复原IP地址|2|https://leetcode-cn.com/problems/restore-ip-addresses|
|260. 只出现一次的数字 III|2|https://leetcode-cn.com/problems/single-number-iii|
|334. 递增的三元子序列|2|https://leetcode-cn.com/problems/increasing-triplet-subsequence|
|8. 字符串转换整数 (atoi)|2|https://leetcode-cn.com/problems/string-to-integer-atoi|
|39. 组合总和|2|https://leetcode-cn.com/problems/combination-sum|
|224. 基本计算器|2|https://leetcode-cn.com/problems/basic-calculator|
|680. 验证回文字符串 Ⅱ|2|https://leetcode-cn.com/problems/valid-palindrome-ii|
|470. 用 Rand7() 实现 Rand10()|2|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|530. 二叉搜索树的最小绝对差|2|https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst|
|31. 下一个排列|2|https://leetcode-cn.com/problems/next-permutation|
|143. 重排链表|2|https://leetcode-cn.com/problems/reorder-list|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|480. 滑动窗口中位数|1|https://leetcode-cn.com/problems/sliding-window-median|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|86. 分隔链表|1|https://leetcode-cn.com/problems/partition-list|
|140. 单词拆分 II|1|https://leetcode-cn.com/problems/word-break-ii|
|剑指 Offer 07. 重建二叉树|1|https://leetcode-cn.com/problems/zhong-jian-er-cha-shu-lcof|
|257. 二叉树的所有路径|1|https://leetcode-cn.com/problems/binary-tree-paths|
|剑指 Offer 32 - III. 从上到下打印二叉树 III|1|https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof|
|209. 长度最小的子数组|1|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|328. 奇偶链表|1|https://leetcode-cn.com/problems/odd-even-linked-list|
|557. 反转字符串中的单词 III|1|https://leetcode-cn.com/problems/reverse-words-in-a-string-iii|
|445. 两数相加 II|1|https://leetcode-cn.com/problems/add-two-numbers-ii|
|1233. 删除子文件夹|1|https://leetcode-cn.com/problems/remove-sub-folders-from-the-filesystem|
|701. 二叉搜索树中的插入操作|1|https://leetcode-cn.com/problems/insert-into-a-binary-search-tree|
|148. 排序链表|1|https://leetcode-cn.com/problems/sort-list|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|503. 下一个更大元素 II|1|https://leetcode-cn.com/problems/next-greater-element-ii|
|329. 矩阵中的最长递增路径|1|https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix|
|1047. 删除字符串中的所有相邻重复项|1|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|670. 最大交换|1|https://leetcode-cn.com/problems/maximum-swap|
|863. 二叉树中所有距离为 K 的结点|1|https://leetcode-cn.com/problems/all-nodes-distance-k-in-binary-tree|
|238. 除自身以外数组的乘积|1|https://leetcode-cn.com/problems/product-of-array-except-self|
|44. 通配符匹配|1|https://leetcode-cn.com/problems/wildcard-matching|
|79. 单词搜索|1|https://leetcode-cn.com/problems/word-search|
|767. 重构字符串|1|https://leetcode-cn.com/problems/reorganize-string|
|242. 有效的字母异位词|1|https://leetcode-cn.com/problems/valid-anagram|
|剑指 Offer 56 - II. 数组中数字出现的次数 II|1|https://leetcode-cn.com/problems/shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-ii-lcof|
|97. 交错字符串|1|https://leetcode-cn.com/problems/interleaving-string|
|77. 组合|1|https://leetcode-cn.com/problems/combinations|
|230. 二叉搜索树中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|179. 最大数|1|https://leetcode-cn.com/problems/largest-number|
|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|80. 删除排序数组中的重复项 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array-ii|
|402. 移掉K位数字|1|https://leetcode-cn.com/problems/remove-k-digits|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|剑指 Offer 17. 打印从1到最大的n位数|1|https://leetcode-cn.com/problems/da-yin-cong-1dao-zui-da-de-nwei-shu-lcof|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|139. 单词拆分|1|https://leetcode-cn.com/problems/word-break|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|617. 合并二叉树|1|https://leetcode-cn.com/problems/merge-two-binary-trees|
|556. 下一个更大元素 III|1|https://leetcode-cn.com/problems/next-greater-element-iii|
|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
|927. 三等分|1|https://leetcode-cn.com/problems/three-equal-parts|
|剑指 Offer 03. 数组中重复的数字|1|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
|564. 寻找最近的回文数|1|https://leetcode-cn.com/problems/find-the-closest-palindrome|
|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
|297. 二叉树的序列化与反序列化|1|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|171. Excel表列序号|1|https://leetcode-cn.com/problems/excel-sheet-column-number|
|976. 三角形的最大周长|1|https://leetcode-cn.com/problems/largest-perimeter-triangle|
|补充题23. 检测循环依赖|1|https://mp.weixin.qq.com/s/pCRscwKqQdYYN7M1Sia7xA|
|351. 安卓系统手势解锁|1|https://leetcode-cn.com/problems/android-unlock-patterns|
|面试题 02.01. 移除重复节点|1|https://leetcode-cn.com/problems/remove-duplicate-node-lcci|
|10. 正则表达式匹配|1|https://leetcode-cn.com/problems/regular-expression-matching|
|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|999. 可以被一步捕获的棋子数|1|https://leetcode-cn.com/problems/available-captures-for-rook|
|100. 相同的树|1|https://leetcode-cn.com/problems/same-tree|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|1328. 破坏回文串|1|https://leetcode-cn.com/problems/break-a-palindrome|
|12. 整数转罗马数字|1|https://leetcode-cn.com/problems/integer-to-roman|
|611. 有效三角形的个数|1|https://leetcode-cn.com/problems/valid-triangle-number|
|22. 括号生成|1|https://leetcode-cn.com/problems/generate-parentheses|
|219. 存在重复元素 II|1|https://leetcode-cn.com/problems/contains-duplicate-ii|

================================================
FILE: bytedance/data.md
================================================
# 数据研发
我开发的[CodeTop题库](https://codetop.cc)可以按照部门、难度筛选，比markdown更方便查询高频题

|题目|出现次数|链接|
|-|-|-|
|232. 用栈实现队列|4|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|146. LRU缓存机制|3|https://leetcode-cn.com/problems/lru-cache|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|101. 对称二叉树|3|https://leetcode-cn.com/problems/symmetric-tree|
|25. K 个一组翻转链表|3|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|98. 验证二叉搜索树|2|https://leetcode-cn.com/problems/validate-binary-search-tree|
|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
|64. 最小路径和|2|https://leetcode-cn.com/problems/minimum-path-sum|
|200. 岛屿数量|2|https://leetcode-cn.com/problems/number-of-islands|
|补充题1. 排序奇升偶降链表|2|https://mp.weixin.qq.com/s/0WVa2wIAeG0nYnVndZiEXQ|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|剑指 Offer 53 - I. 在排序数组中查找数字 I|1|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
|122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|230. 二叉搜索树中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|611. 有效三角形的个数|1|https://leetcode-cn.com/problems/valid-triangle-number|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|
|补充题14. 阿拉伯数字转中文数字|1||
|16. 最接近的三数之和|1|https://leetcode-cn.com/problems/3sum-closest|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|1201. 丑数 III|1|https://leetcode-cn.com/problems/ugly-number-iii|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|剑指 Offer 41. 数据流中的中位数|1|https://leetcode-cn.com/problems/shu-ju-liu-zhong-de-zhong-wei-shu-lcof|
|112. 路径总和|1|https://leetcode-cn.com/problems/path-sum|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|剑指 Offer 59 - II. 队列的最大值|1|https://leetcode-cn.com/problems/dui-lie-de-zui-da-zhi-lcof|
|297. 二叉树的序列化与反序列化|1|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|92. 反转链表 II|1|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|440. 字典序的第K小数字|1|https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|60. 第k个排列|1|https://leetcode-cn.com/problems/permutation-sequence|
|516. 最长回文子序列|1|https://leetcode-cn.com/problems/longest-palindromic-subsequence|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
|33. 搜索旋转排序数组|1|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|148. 排序链表|1|https://leetcode-cn.com/problems/sort-list|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|

================================================
FILE: bytedance/frontend.md
================================================
# 前端
我开发的[CodeTop题库](https://codetop.cc)可以按照部门、难度筛选，比markdown更方便查询高频题

|题目|出现次数|链接|
|-|-|-|
|3. 无重复字符的最长子串|18|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|88. 合并两个有序数组|17|https://leetcode-cn.com/problems/merge-sorted-array|
|129. 求根到叶子节点数字之和|15|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|112. 路径总和|13|https://leetcode-cn.com/problems/path-sum|
|53. 最大子序和|12|https://leetcode-cn.com/problems/maximum-subarray|
|1. 两数之和|11|https://leetcode-cn.com/problems/two-sum|
|165. 比较版本号|11|https://leetcode-cn.com/problems/compare-version-numbers|
|215. 数组中的第K个最大元素|10|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|209. 长度最小的子数组|8|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|剑指 Offer 22. 链表中倒数第k个节点|8|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|415. 字符串相加|8|https://leetcode-cn.com/problems/add-strings|
|46. 全排列|8|https://leetcode-cn.com/problems/permutations|
|206. 反转链表|7|https://leetcode-cn.com/problems/reverse-linked-list|
|102. 二叉树的层序遍历|6|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|70. 爬楼梯|6|https://leetcode-cn.com/problems/climbing-stairs|
|54. 螺旋矩阵|6|https://leetcode-cn.com/problems/spiral-matrix|
|93. 复原IP地址|5|https://leetcode-cn.com/problems/restore-ip-addresses|
|200. 岛屿数量|5|https://leetcode-cn.com/problems/number-of-islands|
|230. 二叉搜索树中第K小的元素|5|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|15. 三数之和|5|https://leetcode-cn.com/problems/3sum|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|429. N叉树的层序遍历|5|https://leetcode-cn.com/problems/n-ary-tree-level-order-traversal|
|226. 翻转二叉树|4|https://leetcode-cn.com/problems/invert-binary-tree|
|121. 买卖股票的最佳时机|4|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|718. 最长重复子数组|4|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|160. 相交链表|4|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|695. 岛屿的最大面积|4|https://leetcode-cn.com/problems/max-area-of-island|
|62. 不同路径|4|https://leetcode-cn.com/problems/unique-paths|
|剑指 Offer 62. 圆圈中最后剩下的数字|4|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|21. 合并两个有序链表|3|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|509. 斐波那契数|3|https://leetcode-cn.com/problems/fibonacci-number|
|113. 路径总和 II|3|https://leetcode-cn.com/problems/path-sum-ii|
|468. 验证IP地址|3|https://leetcode-cn.com/problems/validate-ip-address|
|31. 下一个排列|3|https://leetcode-cn.com/problems/next-permutation|
|20. 有效的括号|3|https://leetcode-cn.com/problems/valid-parentheses|
|349. 两个数组的交集|3|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|5. 最长回文子串|3|https://leetcode-cn.com/problems/longest-palindromic-substring|
|236. 二叉树的最近公共祖先|3|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|146. LRU缓存机制|3|https://leetcode-cn.com/problems/lru-cache|
|322. 零钱兑换|2|https://leetcode-cn.com/problems/coin-change|
|394. 字符串解码|2|https://leetcode-cn.com/problems/decode-string|
|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|剑指 Offer 24. 反转链表|2|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|42. 接雨水|2|https://leetcode-cn.com/problems/trapping-rain-water|
|155. 最小栈|2|https://leetcode-cn.com/problems/min-stack|
|169. 多数元素|2|https://leetcode-cn.com/problems/majority-element|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|67. 二进制求和|2|https://leetcode-cn.com/problems/add-binary|
|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|198. 打家劫舍|2|https://leetcode-cn.com/problems/house-robber|
|14. 最长公共前缀|2|https://leetcode-cn.com/problems/longest-common-prefix|
|补充题3. 求区间最小数乘区间和的最大值|2|https://mp.weixin.qq.com/s/UFv7pt_djjZoK_gzUBrRXA|
|199. 二叉树的右视图|2|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|剑指 Offer 09. 用两个栈实现队列|2|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|56. 合并区间|2|https://leetcode-cn.com/problems/merge-intervals|
|300. 最长上升子序列|2|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|剑指 Offer 38. 字符串的排列|2|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|补充题14. 阿拉伯数字转中文数字|2||
|400. 第N个数字|2|https://leetcode-cn.com/problems/nth-digit|
|101. 对称二叉树|2|https://leetcode-cn.com/problems/symmetric-tree|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|680. 验证回文字符串 Ⅱ|1|https://leetcode-cn.com/problems/valid-palindrome-ii|
|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|98. 验证二叉搜索树|1|https://leetcode-cn.com/problems/validate-binary-search-tree|
|1047. 删除字符串中的所有相邻重复项|1|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|44. 通配符匹配|1|https://leetcode-cn.com/problems/wildcard-matching|
|130. 被围绕的区域|1|https://leetcode-cn.com/problems/surrounded-regions|
|16. 最接近的三数之和|1|https://leetcode-cn.com/problems/3sum-closest|
|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|剑指 Offer 04. 二维数组中的查找|1|https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof|
|443. 压缩字符串|1|https://leetcode-cn.com/problems/string-compression|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|984. 不含 AAA 或 BBB 的字符串|1|https://leetcode-cn.com/problems/string-without-aaa-or-bbb|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|213. 打家劫舍 II|1|https://leetcode-cn.com/problems/house-robber-ii|
|114. 二叉树展开为链表|1|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|109. 有序链表转换二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree|
|242. 有效的字母异位词|1|https://leetcode-cn.com/problems/valid-anagram|
|862. 和至少为 K 的最短子数组|1|https://leetcode-cn.com/problems/shortest-subarray-with-sum-at-least-k|
|1498. 满足条件的子序列数目|1|https://leetcode-cn.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition|
|257. 二叉树的所有路径|1|https://leetcode-cn.com/problems/binary-tree-paths|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|609. 在系统中查找重复文件|1|https://leetcode-cn.com/problems/find-duplicate-file-in-system|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|39. 组合总和|1|https://leetcode-cn.com/problems/combination-sum|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|361. 轰炸敌人|1|https://leetcode-cn.com/problems/bomb-enemy|
|525. 连续数组|1|https://leetcode-cn.com/problems/contiguous-array|
|96. 不同的二叉搜索树|1|https://leetcode-cn.com/problems/unique-binary-search-trees|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|717. 1比特与2比特字符|1|https://leetcode-cn.com/problems/1-bit-and-2-bit-characters|
|1353. 最多可以参加的会议数目|1|https://leetcode-cn.com/problems/maximum-number-of-events-that-can-be-attended|
|剑指 Offer 63. 股票的最大利润|1|https://leetcode-cn.com/problems/gu-piao-de-zui-da-li-run-lcof|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|LCP 04. 覆盖|1|https://leetcode-cn.com/problems/broken-board-dominoes|
|剑指 Offer 39. 数组中出现次数超过一半的数字|1|https://leetcode-cn.com/problems/shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof|
|剑指 Offer 07. 重建二叉树|1|https://leetcode-cn.com/problems/zhong-jian-er-cha-shu-lcof|
|829. 连续整数求和|1|https://leetcode-cn.com/problems/consecutive-numbers-sum|
|1356. 根据数字二进制下 1 的数目排序|1|https://leetcode-cn.com/problems/sort-integers-by-the-number-of-1-bits|
|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|111. 二叉树的最小深度|1|https://leetcode-cn.com/problems/minimum-depth-of-binary-tree|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|783. 二叉搜索树节点最小距离|1|https://leetcode-cn.com/problems/minimum-distance-between-bst-nodes|
|剑指 Offer 42. 连续子数组的最大和|1|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
|55. 跳跃游戏|1|https://leetcode-cn.com/problems/jump-game|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|1410. HTML 实体解析器|1|https://leetcode-cn.com/problems/html-entity-parser|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|12. 整数转罗马数字|1|https://leetcode-cn.com/problems/integer-to-roman|
|45. 跳跃游戏 II|1|https://leetcode-cn.com/problems/jump-game-ii|
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|

================================================
FILE: bytedance/latest/algorithm.md
================================================
# 字节跳动（牛客07.07~07.18的高频题目统计）

| 公司   | 岗位 | 题目                     | 次数 |
|------|----|------------------------|----|
| 字节跳动 | 算法 | 215\. 数组中的第K个最大元素      | 2  |
| 字节跳动 | 算法 | 20\. 有效的括号             | 1  |
| 字节跳动 | 算法 | 240\. 搜索二维矩阵 II        | 1  |
| 字节跳动 | 算法 | 102\. 二叉树的层序遍历         | 1  |
| 字节跳动 | 算法 | 105\. 从前序与中序遍历序列构造二叉树  | 1  |
| 字节跳动 | 算法 | 206\. 反转链表             | 1  |
| 字节跳动 | 算法 | 264\. 丑数 II            | 1  |
| 字节跳动 | 算法 | 4\. 寻找两个正序数组的中位数       | 1  |
| 字节跳动 | 算法 | 437\. 路径总和 III         | 1  |
| 字节跳动 | 算法 | 560\. 和为K的子数组          | 1  |
| 字节跳动 | 算法 | 169\. 多数元素             | 1  |
| 字节跳动 | 算法 | 142\. 环形链表 II          | 1  |
| 字节跳动 | 算法 | 88\. 合并两个有序数组          | 1  |
| 字节跳动 | 算法 | 152\. 乘积最大子数组          | 1  |
| 字节跳动 | 算法 | 255\.验证前序遍历序列二叉搜索树     | 1  |
| 字节跳动 | 算法 | 剑指 Offer 09\. 用两个栈实现队列 | 1  |
| 字节跳动 | 算法 | 124\. 二叉树中的最大路径和       | 1  |


想按照部门查看数据，可以在codetop小程序中查看哦~

:heartbeat:期待大家来codetop分享考到的题目
![微信小程序：CodeTop](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/04CF90C97EE8448CA24A68F195D53218/10762)



================================================
FILE: bytedance/latest/backend.md
================================================
# 字节跳动（牛客07.07~07.18的高频题目统计）

| 公司   | 岗位 | 题目                    | 次数 |
|------|----|-----------------------|----|
| 字节跳动 | 后端 | 234\. 回文链表            | 4  |
| 字节跳动 | 后端 | 141\. 环形链表            | 3  |
| 字节跳动 | 后端 | 25\. K 个一组翻转链表        | 3  |
| 字节跳动 | 后端 | 206\. 反转链表            | 3  |
| 字节跳动 | 后端 | 103\. 二叉树的锯齿形层次遍历     | 3  |
| 字节跳动 | 后端 | 2\. 两数相加              | 3  |
| 字节跳动 | 后端 | 15\. 三数之和             | 2  |
| 字节跳动 | 后端 | 69\. x 的平方根           | 2  |
| 字节跳动 | 后端 | 3\. 无重复字符的最长子串        | 2  |
| 字节跳动 | 后端 | 20\. 有效的括号            | 2  |
| 字节跳动 | 后端 | 143\. 重排链表            | 2  |
| 字节跳动 | 后端 | 162\. 寻找峰值            | 2  |
| 字节跳动 | 后端 | 215\. 数组中的第K个最大元素     | 2  |
| 字节跳动 | 后端 | 124\. 二叉树中的最大路径和      | 2  |
| 字节跳动 | 后端 | 105\. 从前序与中序遍历序列构造二叉树 | 2  |
| 字节跳动 | 后端 | 113\. 路径总和 II         | 2  |
| 字节跳动 | 后端 | 160\. 相交链表            | 2  |
| 字节跳动 | 后端 | 114\. 二叉树展开为链表        | 2  |
| 字节跳动 | 后端 | 146\. LRU缓存机制         | 2  |
| 字节跳动 | 后端 | 128\. 最长连续序列          | 2  |

建议大家优先把高频题目刷完

如果想准备地更充分，
想查看在07.07~07.18期间涉及的44道只考过1次的后端题目，或者想按照部门查看数据
可以在codetop小程序中查看

:heartbeat:期待大家来codetop分享考到的题目

![微信小程序：CodeTop](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/04CF90C97EE8448CA24A68F195D53218/10762)

================================================
FILE: bytedance/latest/client.md
================================================
# 字节跳动（牛客07.07~07.18的高频题目统计）

| 公司   | 岗位  | 题目                     | 次数 |
|------|-----|------------------------|----|
| 字节跳动 | 客户端 | 53\. 最大子序和             | 4  |
| 字节跳动 | 客户端 | 160\. 相交链表             | 3  |
| 字节跳动 | 客户端 | 剑指 Offer 09\. 用两个栈实现队列 | 3  |
| 字节跳动 | 客户端 | 344\. 反转字符串            | 3  |
| 字节跳动 | 客户端 | 21\. 合并两个有序链表          | 2  |
| 字节跳动 | 客户端 | 25\. K 个一组翻转链表         | 2  |
| 字节跳动 | 客户端 | 70\. 爬楼梯               | 2  |
| 字节跳动 | 客户端 | 54\. 螺旋矩阵              | 2  |
| 字节跳动 | 客户端 | 146\. LRU缓存机制          | 2  |
| 字节跳动 | 客户端 | 62\. 不同路径              | 2  |
| 字节跳动 | 客户端 | 236\. 二叉树的最近公共祖先       | 2  |
| 字节跳动 | 客户端 | 189\. 旋转数组             | 2  |
| 字节跳动 | 客户端 | 1\. 两数之和               | 2  |
| 字节跳动 | 客户端 | 48\. 旋转图像              | 2  |
| 字节跳动 | 客户端 | 215\. 数组中的第K个最大元素      | 2  |
| 字节跳动 | 客户端 | 剑指 Offer 27\. 二叉树的镜像   | 2  |

建议大家优先把高频题目刷完

如果想准备地更充分，
想查看在07.07~07.18期间涉及的25道只考过1次的客户端题目，或者按照部门查看数据
可以在codetop小程序中查看哦~

:heartbeat:期待大家来codetop分享考到的题目

![微信小程序：CodeTop](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/04CF90C97EE8448CA24A68F195D53218/10762)


================================================
FILE: bytedance/latest/frontend.md
================================================
# 字节跳动（牛客07.07~07.18的高频题目统计）

| 公司   | 岗位 | 题目                | 次数 |
|------|----|-------------------|----|
| 字节跳动 | 前端 | 19\. 删除链表的倒数第N个节点 | 1  |
| 字节跳动 | 前端 | 1\. 两数之和          | 1  |
| 字节跳动 | 前端 | 93\. 复原IP地址       | 1  |
| 字节跳动 | 前端 | 102\. 二叉树的层序遍历    | 1  |
| 字节跳动 | 前端 | 21\. 合并两个有序链表     | 1  |
| 字节跳动 | 前端 | 221\. 最大正方形       | 1  |
| 字节跳动 | 前端 | 509\. 斐波那契数       | 1  |
| 字节跳动 | 前端 | 209\. 长度最小的子数组    | 1  |
| 字节跳动 | 前端 | 88\. 合并两个有序数组     | 1  |
| 字节跳动 | 前端 | 70\. 爬楼梯          | 1  |
| 字节跳动 | 前端 | 129\. 求根到叶子节点数字之和 | 1  |
| 字节跳动 | 前端 | 98\. 验证二叉搜索树      | 1  |
| 字节跳动 | 前端 | 215\. 数组中的第K个最大元素 | 1  |

想按照部门查看数据，可以在codetop小程序中查看哦~

:heartbeat:期待大家来codetop分享考到的题目
![微信小程序：CodeTop](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/04CF90C97EE8448CA24A68F195D53218/10762)


================================================
FILE: bytedance/latest/test.md
================================================
# 字节跳动（牛客07.07~07.18的高频题目统计）

| 公司   | 岗位 | 题目              | 次数 |
|------|----|-----------------|----|
| 字节跳动 | 测试 | 78\. 子集         | 2  |
| 字节跳动 | 测试 | 206\. 反转链表      | 2  |
| 字节跳动 | 测试 | 3\. 无重复字符的最长子串  | 2  |
| 字节跳动 | 测试 | 415\. 字符串相加     | 2  |
| 字节跳动 | 测试 | 240\. 搜索二维矩阵 II | 1  |
| 字节跳动 | 测试 | 142\. 环形链表 II   | 1  |
| 字节跳动 | 测试 | 234\. 回文链表      | 1  |
| 字节跳动 | 测试 | 32\. 最长有效括号     | 1  |
| 字节跳动 | 测试 | 1\. 两数之和        | 1  |
| 字节跳动 | 测试 | 20\. 有效的括号      | 1  |
| 字节跳动 | 测试 | 110\. 平衡二叉树     | 1  |
| 字节跳动 | 测试 | 162\. 寻找峰值      | 1  |
| 字节跳动 | 测试 | 146\. LRU缓存机制   | 1  |
| 字节跳动 | 测试 | 543\. 二叉树的直径    | 1  |

想按照部门查看数据，可以在codetop小程序中查看哦~

:heartbeat:期待大家来codetop分享考到的题目
![微信小程序：CodeTop](https://note.youdao.com/yws/public/resource/a9216f577fb9d322425561dfea9188bc/xmlnote/04CF90C97EE8448CA24A68F195D53218/10762)



================================================
FILE: bytedance/test.md
================================================
# 测试
我开发的[CodeTop题库](https://codetop.cc)可以按照部门、难度筛选，比markdown更方便查询高频题

|题目|出现次数|链接|
|-|-|-|
|3. 无重复字符的最长子串|28|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|160. 相交链表|11|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|206. 反转链表|11|https://leetcode-cn.com/problems/reverse-linked-list|
|169. 多数元素|11|https://leetcode-cn.com/problems/majority-element|
|1. 两数之和|10|https://leetcode-cn.com/problems/two-sum|
|20. 有效的括号|10|https://leetcode-cn.com/problems/valid-parentheses|
|415. 字符串相加|8|https://leetcode-cn.com/problems/add-strings|
|239. 滑动窗口最大值|7|https://leetcode-cn.com/problems/sliding-window-maximum|
|179. 最大数|6|https://leetcode-cn.com/problems/largest-number|
|25. K 个一组翻转链表|6|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|121. 买卖股票的最佳时机|6|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|5. 最长回文子串|6|https://leetcode-cn.com/problems/longest-palindromic-substring|
|83. 删除排序链表中的重复元素|6|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|78. 子集|5|https://leetcode-cn.com/problems/subsets|
|94. 二叉树的中序遍历|5|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|468. 验证IP地址|5|https://leetcode-cn.com/problems/validate-ip-address|
|15. 三数之和|5|https://leetcode-cn.com/problems/3sum|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|718. 最长重复子数组|5|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|64. 最小路径和|4|https://leetcode-cn.com/problems/minimum-path-sum|
|142. 环形链表 II|4|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|剑指 Offer 61. 扑克牌中的顺子|4|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
|62. 不同路径|4|https://leetcode-cn.com/problems/unique-paths|
|70. 爬楼梯|4|https://leetcode-cn.com/problems/climbing-stairs|
|110. 平衡二叉树|4|https://leetcode-cn.com/problems/balanced-binary-tree|
|32. 最长有效括号|4|https://leetcode-cn.com/problems/longest-valid-parentheses|
|1143. 最长公共子序列|4|https://leetcode-cn.com/problems/longest-common-subsequence|
|21. 合并两个有序链表|4|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|39. 组合总和|4|https://leetcode-cn.com/problems/combination-sum|
|56. 合并区间|4|https://leetcode-cn.com/problems/merge-intervals|
|14. 最长公共前缀|3|https://leetcode-cn.com/problems/longest-common-prefix|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|3|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|215. 数组中的第K个最大元素|3|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|704. 二分查找|3|https://leetcode-cn.com/problems/binary-search|
|26. 删除排序数组中的重复项|3|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|88. 合并两个有序数组|3|https://leetcode-cn.com/problems/merge-sorted-array|
|124. 二叉树中的最大路径和|3|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|8. 字符串转换整数 (atoi)|3|https://leetcode-cn.com/problems/string-to-integer-atoi|
|76. 最小覆盖子串|2|https://leetcode-cn.com/problems/minimum-window-substring|
|剑指 Offer 39. 数组中出现次数超过一半的数字|2|https://leetcode-cn.com/problems/shu-zu-zhong-chu-xian-ci-shu-chao-guo-yi-ban-de-shu-zi-lcof|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|543. 二叉树的直径|2|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|240. 搜索二维矩阵 II|2|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|162. 寻找峰值|2|https://leetcode-cn.com/problems/find-peak-element|
|125. 验证回文串|2|https://leetcode-cn.com/problems/valid-palindrome|
|268. 缺失数字|2|https://leetcode-cn.com/problems/missing-number|
|42. 接雨水|2|https://leetcode-cn.com/problems/trapping-rain-water|
|198. 打家劫舍|2|https://leetcode-cn.com/problems/house-robber|
|242. 有效的字母异位词|2|https://leetcode-cn.com/problems/valid-anagram|
|151. 翻转字符串里的单词|2|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|剑指 Offer 10- II. 青蛙跳台阶问题|2|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|470. 用 Rand7() 实现 Rand10()|2|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|93. 复原IP地址|2|https://leetcode-cn.com/problems/restore-ip-addresses|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|补充题11. 翻转URL字符串里的单词|2||
|350. 两个数组的交集 II|1|https://leetcode-cn.com/problems/intersection-of-two-arrays-ii|
|51. N皇后|1|https://leetcode-cn.com/problems/n-queens|
|1201. 丑数 III|1|https://leetcode-cn.com/problems/ugly-number-iii|
|344. 反转字符串|1|https://leetcode-cn.com/problems/reverse-string|
|862. 和至少为 K 的最短子数组|1|https://leetcode-cn.com/problems/shortest-subarray-with-sum-at-least-k|
|236. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
|405. 数字转换为十六进制数|1|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|796. 旋转字符串|1|https://leetcode-cn.com/problems/rotate-string|
|234. 回文链表|1|https://leetcode-cn.com/problems/palindrome-linked-list|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
|49. 字母异位词分组|1|https://leetcode-cn.com/problems/group-anagrams|
|79. 单词搜索|1|https://leetcode-cn.com/problems/word-search|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|97. 交错字符串|1|https://leetcode-cn.com/problems/interleaving-string|
|154. 寻找旋转排序数组中的最小值 II|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|443. 压缩字符串|1|https://leetcode-cn.com/problems/string-compression|
|680. 验证回文字符串 Ⅱ|1|https://leetcode-cn.com/problems/valid-palindrome-ii|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|补充题1. 排序奇升偶降链表|1|https://mp.weixin.qq.com/s/0WVa2wIAeG0nYnVndZiEXQ|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|557. 反转字符串中的单词 III|1|https://leetcode-cn.com/problems/reverse-words-in-a-string-iii|
|22. 括号生成|1|https://leetcode-cn.com/problems/generate-parentheses|
|459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|92. 反转链表 II|1|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|191. 位1的个数|1|https://leetcode-cn.com/problems/number-of-1-bits|
|33. 搜索旋转排序数组|1|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|213. 打家劫舍 II|1|https://leetcode-cn.com/problems/house-robber-ii|
|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
|61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list|
|18. 四数之和|1|https://leetcode-cn.com/problems/4sum|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|剑指 Offer 62. 圆圈中最后剩下的数字|1|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|231. 2的幂|1|https://leetcode-cn.com/problems/power-of-two|
|补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array|
|136. 只出现一次的数字|1|https://leetcode-cn.com/problems/single-number|
|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|570. 至少有5名直接下属的经理|1|https://leetcode-cn.com/problems/managers-with-at-least-5-direct-reports|
|82. 删除排序链表中的重复元素 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|950. 按递增顺序显示卡牌|1|https://leetcode-cn.com/problems/reveal-cards-in-increasing-order|
|剑指 Offer 11. 旋转数组的最小数字|1|https://leetcode-cn.com/problems/xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|738. 单调递增的数字|1|https://leetcode-cn.com/problems/monotone-increasing-digits|
|745. 前缀和后缀搜索|1|https://leetcode-cn.com/problems/prefix-and-suffix-search|
Software Engineer
|题目|出现次数|链接|
|-|-|-|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|80. 删除排序数组中的重复项 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array-ii|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|165. 比较版本号|1|https://leetcode-cn.com/problems/compare-version-numbers|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|149. 直线上最多的点数|1|https://leetcode-cn.com/problems/max-points-on-a-line|


================================================
FILE: kuaishou/algorithm.md
================================================
# 算法

|题目|出现次数|链接|
|-|-|-|
|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|72. 编辑距离|2|https://leetcode-cn.com/problems/edit-distance|
|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
|23. 合并K个排序链表|2|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|206. 反转链表|2|https://leetcode-cn.com/problems/reverse-linked-list|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|补充题8. 计算数组的小和|1|https://mp.weixin.qq.com/s/0ih4W6nawzFUPSj3GOnYTQ|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|202. 快乐数|1|https://leetcode-cn.com/problems/happy-number|
|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|补充题4. 手撕快速排序|1||
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|236. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|

================================================
FILE: kuaishou/backend.md
================================================
# 后端
|题目|出现次数|链接|
|-|-|-|
|206. 反转链表|15|https://leetcode-cn.com/problems/reverse-linked-list|
|160. 相交链表|8|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|补充题4. 手撕快速排序|7||
|146. LRU缓存机制|7|https://leetcode-cn.com/problems/lru-cache|
|21. 合并两个有序链表|7|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|215. 数组中的第K个最大元素|7|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|88. 合并两个有序数组|6|https://leetcode-cn.com/problems/merge-sorted-array|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|92. 反转链表 II|5|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|151. 翻转字符串里的单词|5|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|2. 两数相加|5|https://leetcode-cn.com/problems/add-two-numbers|
|3. 无重复字符的最长子串|5|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|155. 最小栈|4|https://leetcode-cn.com/problems/min-stack|
|144. 二叉树的前序遍历|4|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|136. 只出现一次的数字|4|https://leetcode-cn.com/problems/single-number|
|34. 在排序数组中查找元素的第一个和最后一个位置|4|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|20. 有效的括号|4|https://leetcode-cn.com/problems/valid-parentheses|
|148. 排序链表|4|https://leetcode-cn.com/problems/sort-list|
|24. 两两交换链表中的节点|4|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|415. 字符串相加|4|https://leetcode-cn.com/problems/add-strings|
|142. 环形链表 II|3|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|46. 全排列|3|https://leetcode-cn.com/problems/permutations|
|剑指 Offer 10- II. 青蛙跳台阶问题|3|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|剑指 Offer 22. 链表中倒数第k个节点|3|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|150. 逆波兰表达式求值|3|https://leetcode-cn.com/problems/evaluate-reverse-polish-notation|
|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|128. 最长连续序列|3|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|补充题8. 计算数组的小和|3|https://mp.weixin.qq.com/s/0ih4W6nawzFUPSj3GOnYTQ|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|补充题5. 手撕归并排序|3||
|69. x 的平方根|3|https://leetcode-cn.com/problems/sqrtx|
|103. 二叉树的锯齿形层次遍历|3|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|102. 二叉树的层序遍历|3|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|剑指 Offer 51. 数组中的逆序对|3|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|3|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|76. 最小覆盖子串|3|https://leetcode-cn.com/problems/minimum-window-substring|
|15. 三数之和|2|https://leetcode-cn.com/problems/3sum|
|145. 二叉树的后序遍历|2|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|543. 二叉树的直径|2|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|845. 数组中的最长山脉|2|https://leetcode-cn.com/problems/longest-mountain-in-array|
|剑指 Offer 18. 删除链表的节点|2|https://leetcode-cn.com/problems/shan-chu-lian-biao-de-jie-dian-lcof|
|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
|剑指 Offer 19. 正则表达式匹配|2|https://leetcode-cn.com/problems/zheng-ze-biao-da-shi-pi-pei-lcof|
|509. 斐波那契数|2|https://leetcode-cn.com/problems/fibonacci-number|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|93. 复原IP地址|2|https://leetcode-cn.com/problems/restore-ip-addresses|
|1047. 删除字符串中的所有相邻重复项|2|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|43. 字符串相乘|2|https://leetcode-cn.com/problems/multiply-strings|
|113. 路径总和 II|2|https://leetcode-cn.com/problems/path-sum-ii|
|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|剑指 Offer 55 - I. 二叉树的深度|2|https://leetcode-cn.com/problems/er-cha-shu-de-shen-du-lcof|
|78. 子集|2|https://leetcode-cn.com/problems/subsets|
|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|122. 买卖股票的最佳时机 II|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|剑指 Offer 36. 二叉搜索树与双向链表|2|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|200. 岛屿数量|2|https://leetcode-cn.com/problems/number-of-islands|
|33. 搜索旋转排序数组|2|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|225. 用队列实现栈|2|https://leetcode-cn.com/problems/implement-stack-using-queues|
|23. 合并K个排序链表|2|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|104. 二叉树的最大深度|2|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|318. 最大单词长度乘积|1|https://leetcode-cn.com/problems/maximum-product-of-word-lengths|
|321. 拼接最大数|1|https://leetcode-cn.com/problems/create-maximum-number|
|面试题 17.01. 不用加号的加法|1|https://leetcode-cn.com/problems/add-without-plus-lcci|
|468. 验证IP地址|1|https://leetcode-cn.com/problems/validate-ip-address|
|16. 最接近的三数之和|1|https://leetcode-cn.com/problems/3sum-closest|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|8. 字符串转换整数 (atoi)|1|https://leetcode-cn.com/problems/string-to-integer-atoi|
|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|67. 二进制求和|1|https://leetcode-cn.com/problems/add-binary|
|450. 删除二叉搜索树中的节点|1|https://leetcode-cn.com/problems/delete-node-in-a-bst|
|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
|220. 存在重复元素 III|1|https://leetcode-cn.com/problems/contains-duplicate-iii|
|剑指 Offer 04. 二维数组中的查找|1|https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof|
|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
|337. 打家劫舍 III|1|https://leetcode-cn.com/problems/house-robber-iii|
|191. 位1的个数|1|https://leetcode-cn.com/problems/number-of-1-bits|
|22. 括号生成|1|https://leetcode-cn.com/problems/generate-parentheses|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|701. 二叉搜索树中的插入操作|1|https://leetcode-cn.com/problems/insert-into-a-binary-search-tree|
|111. 二叉树的最小深度|1|https://leetcode-cn.com/problems/minimum-depth-of-binary-tree|
|110. 平衡二叉树|1|https://leetcode-cn.com/problems/balanced-binary-tree|
|210. 课程表 II|1|https://leetcode-cn.com/problems/course-schedule-ii|
|480. 滑动窗口中位数|1|https://leetcode-cn.com/problems/sliding-window-median|
|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|
|剑指 Offer 41. 数据流中的中位数|1|https://leetcode-cn.com/problems/shu-ju-liu-zhong-de-zhong-wei-shu-lcof|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|82. 删除排序链表中的重复元素 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|230. 二叉搜索树中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
|74. 搜索二维矩阵|1|https://leetcode-cn.com/problems/search-a-2d-matrix|
|236. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|75. 颜色分类|1|https://leetcode-cn.com/problems/sort-colors|
|207. 课程表|1|https://leetcode-cn.com/problems/course-schedule|
|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
|1156. 单字符重复子串的最大长度|1|https://leetcode-cn.com/problems/swap-for-longest-repeated-character-substring|
|剑指 Offer 43. 1～n整数中1出现的次数|1|https://leetcode-cn.com/problems/1nzheng-shu-zhong-1chu-xian-de-ci-shu-lcof|
|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
|面试题 16.06. 最小差|1|https://leetcode-cn.com/problems/smallest-difference-lcci|
|1493. 删掉一个元素以后全为 1 的最长子数组|1|https://leetcode-cn.com/problems/longest-subarray-of-1s-after-deleting-one-element|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|1027. 最长等差数列|1|https://leetcode-cn.com/problems/longest-arithmetic-subsequence|
|1464. 数组中两元素的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-two-elements-in-an-array|
|235. 二叉搜索树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-search-tree|
|204. 计数质数|1|https://leetcode-cn.com/problems/count-primes|
|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|312. 戳气球|1|https://leetcode-cn.com/problems/burst-balloons|
|剑指 Offer 25. 合并两个排序的链表|1|https://leetcode-cn.com/problems/he-bing-liang-ge-pai-xu-de-lian-biao-lcof|
|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|1312. 让字符串成为回文串的最少插入次数|1|https://leetcode-cn.com/problems/minimum-insertion-steps-to-make-a-string-palindrome|
|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
|189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array|
|19. 删除链表的倒数第N个节点|1|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|572. 另一个树的子树|1|https://leetcode-cn.com/problems/subtree-of-another-tree|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|238. 除自身以外数组的乘积|1|https://leetcode-cn.com/problems/product-of-array-except-self|
|剑指 Offer 42. 连续子数组的最大和|1|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|剑指 Offer 32 - III. 从上到下打印二叉树 III|1|https://leetcode-cn.com/problems/cong-shang-dao-xia-da-yin-er-cha-shu-iii-lcof|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|540. 有序数组中的单一元素|1|https://leetcode-cn.com/problems/single-element-in-a-sorted-array|
|剑指 Offer 12. 矩阵中的路径|1|https://leetcode-cn.com/problems/ju-zhen-zhong-de-lu-jing-lcof|
|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|40. 组合总和 II|1|https://leetcode-cn.com/problems/combination-sum-ii|

================================================
FILE: kuaishou/client.md
================================================
# 客户端

|题目|出现次数|链接|
|-|-|-|
|206. 反转链表|6|https://leetcode-cn.com/problems/reverse-linked-list|
|142. 环形链表 II|3|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|78. 子集|2|https://leetcode-cn.com/problems/subsets|
|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|102. 二叉树的层序遍历|2|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
|167. 两数之和 II - 输入有序数组|1|https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array|
|459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|312. 戳气球|1|https://leetcode-cn.com/problems/burst-balloons|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|剑指 Offer 64. 求1+2+…+n|1|https://leetcode-cn.com/problems/qiu-12n-lcof|
|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|919. 完全二叉树插入器|1|https://leetcode-cn.com/problems/complete-binary-tree-inserter|
|19. 删除链表的倒数第N个节点|1|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|109. 有序链表转换二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|补充题4. 手撕快速排序|1||

================================================
FILE: kuaishou/data.md
================================================
# 数据研发

|题目|出现次数|链接|
|-|-|-|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|34. 在排序数组中查找元素的第一个和最后一个位置|1|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|35. 搜索插入位置|1|https://leetcode-cn.com/problems/search-insert-position|
|93. 复原IP地址|1|https://leetcode-cn.com/problems/restore-ip-addresses|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|112. 路径总和|1|https://leetcode-cn.com/problems/path-sum|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|

================================================
FILE: kuaishou/frontend.md
================================================
# 前端

|题目|出现次数|链接|
|-|-|-|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|3. 无重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|70. 爬楼梯|2|https://leetcode-cn.com/problems/climbing-stairs|
|384. 打乱数组|2|https://leetcode-cn.com/problems/shuffle-an-array|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|231. 2的幂|1|https://leetcode-cn.com/problems/power-of-two|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|110. 平衡二叉树|1|https://leetcode-cn.com/problems/balanced-binary-tree|

================================================
FILE: kuaishou/test.md
================================================
# 测试

|题目|出现次数|链接|
|-|-|-|
|3. 无重复字符的最长子串|3|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|142. 环形链表 II|2|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|补充题6. 手撕堆排序|1||
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|剑指 Offer 42. 连续子数组的最大和|1|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|39. 组合总和|1|https://leetcode-cn.com/problems/combination-sum|
|647. 回文子串|1|https://leetcode-cn.com/problems/palindromic-substrings|
|344. 反转字符串|1|https://leetcode-cn.com/problems/reverse-string|

================================================
FILE: meituan/algorithm.md
================================================
# 算法
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询

|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|5|https://leetcode-cn.com/problems/sort-an-array|
|121. 买卖股票的最佳时机|4|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|215. 数组中的第K个最大元素|4|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|剑指 Offer 65. 不用加减乘除做加法|2|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
|2. 两数相加|2|https://leetcode-cn.com/problems/add-two-numbers|
|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|560. 和为K的子数组|1|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|410. 分割数组的最大值|1|https://leetcode-cn.com/problems/split-array-largest-sum|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|73. 矩阵置零|1|https://leetcode-cn.com/problems/set-matrix-zeroes|
|695. 岛屿的最大面积|1|https://leetcode-cn.com/problems/max-area-of-island|
|面试题 17.24. 最大子矩阵|1|https://leetcode-cn.com/problems/max-submatrix-lcci|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|39. 组合总和|1|https://leetcode-cn.com/problems/combination-sum|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|

================================================
FILE: meituan/backend.md
================================================
# 后端
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询

|题目|出现次数|链接|
|-|-|-|
|206. 反转链表|27|https://leetcode-cn.com/problems/reverse-linked-list|
|88. 合并两个有序数组|11|https://leetcode-cn.com/problems/merge-sorted-array|
|补充题4. 手撕快速排序|11|https://leetcode-cn.com/problems/sort-an-array|
|141. 环形链表|11|https://leetcode-cn.com/problems/linked-list-cycle|
|718. 最长重复子数组|10|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|102. 二叉树的层序遍历|9|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|剑指 Offer 22. 链表中倒数第k个节点|9|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|8. 字符串转换整数 (atoi)|8|https://leetcode-cn.com/problems/string-to-integer-atoi|
|92. 反转链表 II|8|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|232. 用栈实现队列|7|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|215. 数组中的第K个最大元素|7|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|124. 二叉树中的最大路径和|6|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|144. 二叉树的前序遍历|6|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|146. LRU缓存机制|6|https://leetcode-cn.com/problems/lru-cache|
|543. 二叉树的直径|6|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|142. 环形链表 II|6|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|160. 相交链表|6|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|54. 螺旋矩阵|6|https://leetcode-cn.com/problems/spiral-matrix|
|5. 最长回文子串|6|https://leetcode-cn.com/problems/longest-palindromic-substring|
|19. 删除链表的倒数第N个节点|6|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|21. 合并两个有序链表|6|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|25. K 个一组翻转链表|5|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|236. 二叉树的最近公共祖先|5|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|15. 三数之和|5|https://leetcode-cn.com/problems/3sum|
|94. 二叉树的中序遍历|5|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|82. 删除排序链表中的重复元素 II|5|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|143. 重排链表|5|https://leetcode-cn.com/problems/reorder-list|
|3. 无重复字符的最长子串|5|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|56. 合并区间|5|https://leetcode-cn.com/problems/merge-intervals|
|剑指 Offer 36. 二叉搜索树与双向链表|4|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|415. 字符串相加|4|https://leetcode-cn.com/problems/add-strings|
|704. 二分查找|4|https://leetcode-cn.com/problems/binary-search|
|191. 位1的个数|4|https://leetcode-cn.com/problems/number-of-1-bits|
|20. 有效的括号|4|https://leetcode-cn.com/problems/valid-parentheses|
|113. 路径总和 II|4|https://leetcode-cn.com/problems/path-sum-ii|
|7. 整数反转|4|https://leetcode-cn.com/problems/reverse-integer|
|2. 两数相加|4|https://leetcode-cn.com/problems/add-two-numbers|
|53. 最大子序和|4|https://leetcode-cn.com/problems/maximum-subarray|
|剑指 Offer 40. 最小的k个数|4|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|103. 二叉树的锯齿形层次遍历|4|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|151. 翻转字符串里的单词|4|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|1143. 最长公共子序列|3|https://leetcode-cn.com/problems/longest-common-subsequence|
|110. 平衡二叉树|3|https://leetcode-cn.com/problems/balanced-binary-tree|
|1. 两数之和|3|https://leetcode-cn.com/problems/two-sum|
|199. 二叉树的右视图|3|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|234. 回文链表|3|https://leetcode-cn.com/problems/palindrome-linked-list|
|93. 复原IP地址|3|https://leetcode-cn.com/problems/restore-ip-addresses|
|498. 对角线遍历|3|https://leetcode-cn.com/problems/diagonal-traverse|
|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|62. 不同路径|3|https://leetcode-cn.com/problems/unique-paths|
|169. 多数元素|3|https://leetcode-cn.com/problems/majority-element|
|剑指 Offer 62. 圆圈中最后剩下的数字|3|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
|补充题5. 手撕归并排序|3|https://leetcode-cn.com/problems/sort-an-array|
|468. 验证IP地址|3|https://leetcode-cn.com/problems/validate-ip-address|
|补充题8. 计算数组的小和|3|https://mp.weixin.qq.com/s/0ih4W6nawzFUPSj3GOnYTQ|
|83. 删除排序链表中的重复元素|3|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|78. 子集|3|https://leetcode-cn.com/problems/subsets|
|46. 全排列|3|https://leetcode-cn.com/problems/permutations|
|34. 在排序数组中查找元素的第一个和最后一个位置|2|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|384. 打乱数组|2|https://leetcode-cn.com/problems/shuffle-an-array|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
|41. 缺失的第一个正数|2|https://leetcode-cn.com/problems/first-missing-positive|
|300. 最长上升子序列|2|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|9. 回文数|2|https://leetcode-cn.com/problems/palindrome-number|
|剑指 Offer 10- II. 青蛙跳台阶问题|2|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|64. 最小路径和|2|https://leetcode-cn.com/problems/minimum-path-sum|
|687. 最长同值路径|2|https://leetcode-cn.com/problems/longest-univalue-path|
|剑指 Offer 10- I. 斐波那契数列|2|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|179. 最大数|2|https://leetcode-cn.com/problems/largest-number|
|162. 寻找峰值|2|https://leetcode-cn.com/problems/find-peak-element|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|125. 验证回文串|2|https://leetcode-cn.com/problems/valid-palindrome|
|6. Z 字形变换|2|https://leetcode-cn.com/problems/zigzag-conversion|
|101. 对称二叉树|2|https://leetcode-cn.com/problems/symmetric-tree|
|242. 有效的字母异位词|2|https://leetcode-cn.com/problems/valid-anagram|
|剑指 Offer 15. 二进制中1的个数|2|https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof|
|120. 三角形最小路径和|2|https://leetcode-cn.com/problems/triangle|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|118. 杨辉三角|2|https://leetcode-cn.com/problems/pascals-triangle|
|剑指 Offer 58 - I. 翻转单词顺序|1|https://leetcode-cn.com/problems/fan-zhuan-dan-ci-shun-xu-lcof|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|387. 字符串中的第一个唯一字符|1|https://leetcode-cn.com/problems/first-unique-character-in-a-string|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|55. 跳跃游戏|1|https://leetcode-cn.com/problems/jump-game|
|1245. 树的直径|1|https://leetcode-cn.com/problems/tree-diameter|
|1044. 最长重复子串|1|https://leetcode-cn.com/problems/longest-duplicate-substring|
|679. 24 点游戏|1|https://leetcode-cn.com/problems/24-game|
|60. 第k个排列|1|https://leetcode-cn.com/problems/permutation-sequence|
|132. 分割回文串 II|1|https://leetcode-cn.com/problems/palindrome-partitioning-ii|
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|117. 填充每个节点的下一个右侧节点指针 II|1|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|剑指 Offer 45. 把数组排成最小的数|1|https://leetcode-cn.com/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|面试题 16.03. 交点|1|https://leetcode-cn.com/problems/intersection-lcci|
|108. 将有序数组转换为二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|450. 删除二叉搜索树中的节点|1|https://leetcode-cn.com/problems/delete-node-in-a-bst|
|剑指 Offer 14- I. 剪绳子|1|https://leetcode-cn.com/problems/jian-sheng-zi-lcof|
|203. 移除链表元素|1|https://leetcode-cn.com/problems/remove-linked-list-elements|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|剑指 Offer 58 - II. 左旋转字符串|1|https://leetcode-cn.com/problems/zuo-xuan-zhuan-zi-fu-chuan-lcof|
|617. 合并二叉树|1|https://leetcode-cn.com/problems/merge-two-binary-trees|
|1095. 山脉数组中查找目标值|1|https://leetcode-cn.com/problems/find-in-mountain-array|
|354. 俄罗斯套娃信封问题|1|https://leetcode-cn.com/problems/russian-doll-envelopes|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|198. 打家劫舍|1|https://leetcode-cn.com/problems/house-robber|
|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
|剑指 Offer 53 - I. 在排序数组中查找数字 I|1|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|剑指 Offer 11. 旋转数组的最小数字|1|https://leetcode-cn.com/problems/xuan-zhuan-shu-zu-de-zui-xiao-shu-zi-lcof|
|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|
|518. 零钱兑换 II|1|https://leetcode-cn.com/problems/coin-change-2|
|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
|4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|补充题20. 立方根|1||
|剑指 Offer 65. 不用加减乘除做加法|1|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
|165. 比较版本号|1|https://leetcode-cn.com/problems/compare-version-numbers|
|123. 买卖股票的最佳时机 III|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
|136. 只出现一次的数字|1|https://leetcode-cn.com/problems/single-number|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|剑指 Offer 43. 1～n整数中1出现的次数|1|https://leetcode-cn.com/problems/1nzheng-shu-zhong-1chu-xian-de-ci-shu-lcof|
|面试题 02.08. 环路检测|1|https://leetcode-cn.com/problems/linked-list-cycle-lcci|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|47. 全排列 II|1|https://leetcode-cn.com/problems/permutations-ii|
|61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list|
|剑指 Offer 03. 数组中重复的数字|1|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
|剑指 Offer 29. 顺时针打印矩阵|1|https://leetcode-cn.com/problems/shun-shi-zhen-da-yin-ju-zhen-lcof|
|面试题 02.01. 移除重复节点|1|https://leetcode-cn.com/problems/remove-duplicate-node-lcci|
|面试题 02.02. 返回倒数第 k 个节点|1|https://leetcode-cn.com/problems/kth-node-from-end-of-list-lcci|
|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
|172. 阶乘后的零|1|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
|补充题21. 字符串相减|1|https://mp.weixin.qq.com/s/kCue4c0gnLSw0HosFl_t7w|
|516. 最长回文子序列|1|https://leetcode-cn.com/problems/longest-palindromic-subsequence|
|692. 前K个高频单词|1|https://leetcode-cn.com/problems/top-k-frequent-words|
|91. 解码方法|1|https://leetcode-cn.com/problems/decode-ways|
|面试题 02.05. 链表求和|1|https://leetcode-cn.com/problems/sum-lists-lcci|
|面试题 03.05. 栈排序|1|https://leetcode-cn.com/problems/sort-of-stacks-lcci|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|622. 设计循环队列|1|https://leetcode-cn.com/problems/design-circular-queue|
|343. 整数拆分|1|https://leetcode-cn.com/problems/integer-break|
|112. 路径总和|1|https://leetcode-cn.com/problems/path-sum|

================================================
FILE: meituan/client.md
================================================
# 客户端
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|4|https://leetcode-cn.com/problems/sort-an-array|
|142. 环形链表 II|4|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|剑指 Offer 10- I. 斐波那契数列|3|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|155. 最小栈|3|https://leetcode-cn.com/problems/min-stack|
|206. 反转链表|3|https://leetcode-cn.com/problems/reverse-linked-list|
|236. 二叉树的最近公共祖先|2|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
|232. 用栈实现队列|2|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|剑指 Offer 52. 两个链表的第一个公共节点|2|https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof|
|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|86. 分隔链表|1|https://leetcode-cn.com/problems/partition-list|
|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
|312. 戳气球|1|https://leetcode-cn.com/problems/burst-balloons|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|78. 子集|1|https://leetcode-cn.com/problems/subsets|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|234. 回文链表|1|https://leetcode-cn.com/problems/palindrome-linked-list|
|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|1|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
|补充题19. 判断一个点是否在三角形内|1|https://mp.weixin.qq.com/s/qnVUJq4lmnLsXJgyHCXngA|
|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|225. 用队列实现栈|1|https://leetcode-cn.com/problems/implement-stack-using-queues|
|62. 不同路径|1|https://leetcode-cn.com/problems/unique-paths|
|121. 买卖股票的最佳时机|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
|516. 最长回文子序列|1|https://leetcode-cn.com/problems/longest-palindromic-subsequence|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|559. N叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-n-ary-tree|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|4. 寻找两个正序数组的中位数|1|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|34. 在排序数组中查找元素的第一个和最后一个位置|1|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|剑指 Offer 10- II. 青蛙跳台阶问题|1|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|889. 根据前序和后序遍历构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-postorder-traversal|
|468. 验证IP地址|1|https://leetcode-cn.com/problems/validate-ip-address|

================================================
FILE: meituan/data.md
================================================
# 数据研发
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
|141. 环形链表|3|https://leetcode-cn.com/problems/linked-list-cycle|
|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
|215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|117. 填充每个节点的下一个右侧节点指针 II|1|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|

================================================
FILE: meituan/frontend.md
================================================
# 前端
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|补充题4. 手撕快速排序|7|https://leetcode-cn.com/problems/sort-an-array|
|70. 爬楼梯|4|https://leetcode-cn.com/problems/climbing-stairs|
|88. 合并两个有序数组|4|https://leetcode-cn.com/problems/merge-sorted-array|
|剑指 Offer 10- I. 斐波那契数列|4|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|300. 最长上升子序列|3|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
|1047. 删除字符串中的所有相邻重复项|2|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|498. 对角线遍历|2|https://leetcode-cn.com/problems/diagonal-traverse|
|322. 零钱兑换|2|https://leetcode-cn.com/problems/coin-change|
|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|136. 只出现一次的数字|2|https://leetcode-cn.com/problems/single-number|
|54. 螺旋矩阵|1|https://leetcode-cn.com/problems/spiral-matrix|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|654. 最大二叉树|1|https://leetcode-cn.com/problems/maximum-binary-tree|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|557. 反转字符串中的单词 III|1|https://leetcode-cn.com/problems/reverse-words-in-a-string-iii|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|64. 最小路径和|1|https://leetcode-cn.com/problems/minimum-path-sum|
|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|172. 阶乘后的零|1|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|剑指 Offer 10- II. 青蛙跳台阶问题|1|https://leetcode-cn.com/problems/qing-wa-tiao-tai-jie-wen-ti-lcof|
|6. Z 字形变换|1|https://leetcode-cn.com/problems/zigzag-conversion|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|384. 打乱数组|1|https://leetcode-cn.com/problems/shuffle-an-array|
|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
|补充题19. 判断一个点是否在三角形内|1|https://mp.weixin.qq.com/s/qnVUJq4lmnLsXJgyHCXngA|
|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|59. 螺旋矩阵 II|1|https://leetcode-cn.com/problems/spiral-matrix-ii|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
|1518. 换酒问题|1|https://leetcode-cn.com/problems/water-bottles|
|78. 子集|1|https://leetcode-cn.com/problems/subsets|

================================================
FILE: meituan/test.md
================================================
# 测试
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|3. 无重复字符的最长子串|8|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|1. 两数之和|7|https://leetcode-cn.com/problems/two-sum|
|704. 二分查找|6|https://leetcode-cn.com/problems/binary-search|
|20. 有效的括号|6|https://leetcode-cn.com/problems/valid-parentheses|
|232. 用栈实现队列|5|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|141. 环形链表|4|https://leetcode-cn.com/problems/linked-list-cycle|
|14. 最长公共前缀|4|https://leetcode-cn.com/problems/longest-common-prefix|
|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
|7. 整数反转|4|https://leetcode-cn.com/problems/reverse-integer|
|53. 最大子序和|4|https://leetcode-cn.com/problems/maximum-subarray|
|136. 只出现一次的数字|4|https://leetcode-cn.com/problems/single-number|
|242. 有效的字母异位词|4|https://leetcode-cn.com/problems/valid-anagram|
|8. 字符串转换整数 (atoi)|4|https://leetcode-cn.com/problems/string-to-integer-atoi|
|151. 翻转字符串里的单词|3|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|468. 验证IP地址|3|https://leetcode-cn.com/problems/validate-ip-address|
|补充题14. 阿拉伯数字转中文数字|3||
|剑指 Offer 53 - I. 在排序数组中查找数字 I|3|https://leetcode-cn.com/problems/zai-pai-xu-shu-zu-zhong-cha-zhao-shu-zi-lcof|
|169. 多数元素|3|https://leetcode-cn.com/problems/majority-element|
|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
|128. 最长连续序列|2|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|83. 删除排序链表中的重复元素|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|2|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|718. 最长重复子数组|2|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|76. 最小覆盖子串|2|https://leetcode-cn.com/problems/minimum-window-substring|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
|剑指 Offer 57 - II. 和为s的连续正数序列|2|https://leetcode-cn.com/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof|
|165. 比较版本号|2|https://leetcode-cn.com/problems/compare-version-numbers|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|876. 链表的中间结点|1|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|796. 旋转字符串|1|https://leetcode-cn.com/problems/rotate-string|
|72. 编辑距离|1|https://leetcode-cn.com/problems/edit-distance|
|460. LFU缓存|1|https://leetcode-cn.com/problems/lfu-cache|
|106. 从中序与后序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal|
|231. 2的幂|1|https://leetcode-cn.com/problems/power-of-two|
|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|40. 组合总和 II|1|https://leetcode-cn.com/problems/combination-sum-ii|
|628. 三个数的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-three-numbers|
|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|剑指 Offer 61. 扑克牌中的顺子|1|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
|剑指 Offer 45. 把数组排成最小的数|1|https://leetcode-cn.com/problems/ba-shu-zu-pai-cheng-zui-xiao-de-shu-lcof|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
|34. 在排序数组中查找元素的第一个和最后一个位置|1|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|28. 实现 strStr()|1|https://leetcode-cn.com/problems/implement-strstr|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|167. 两数之和 II - 输入有序数组|1|https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted|
|32. 最长有效括号|1|https://leetcode-cn.com/problems/longest-valid-parentheses|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|

================================================
FILE: microsoft/SDE.md
================================================
- 题目原文链接见[issues](https://github.com/afatcoder/LeetcodeTop/issues)
- 若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc) 查询

|题目|出现次数|链接|
|-|-|-|
|215. 数组中的第K个最大元素|14|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|236. 二叉树的最近公共祖先|10|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|206. 反转链表|9|https://leetcode-cn.com/problems/reverse-linked-list|
|48. 旋转图像|9|https://leetcode-cn.com/problems/rotate-image|
|124. 二叉树中的最大路径和|7|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|53. 最大子序和|7|https://leetcode-cn.com/problems/maximum-subarray|
|91. 解码方法|6|https://leetcode-cn.com/problems/decode-ways|
|151. 翻转字符串里的单词|6|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|543. 二叉树的直径|6|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|297. 二叉树的序列化与反序列化|6|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|146. LRU缓存机制|5|https://leetcode-cn.com/problems/lru-cache|
|450. 删除二叉搜索树中的节点|5|https://leetcode-cn.com/problems/delete-node-in-a-bst|
|22. 括号生成|5|https://leetcode-cn.com/problems/generate-parentheses|
|47. 全排列 II|5|https://leetcode-cn.com/problems/permutations-ii|
|224. 基本计算器|5|https://leetcode-cn.com/problems/basic-calculator|
|468. 验证IP地址|4|https://leetcode-cn.com/problems/validate-ip-address|
|110. 平衡二叉树|4|https://leetcode-cn.com/problems/balanced-binary-tree|
|94. 二叉树的中序遍历|4|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|15. 三数之和|4|https://leetcode-cn.com/problems/3sum|
|121. 买卖股票的最佳时机|4|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|39. 组合总和|4|https://leetcode-cn.com/problems/combination-sum|
|1. 两数之和|4|https://leetcode-cn.com/problems/two-sum|
|3. 无重复字符的最长子串|4|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|207. 课程表|4|https://leetcode-cn.com/problems/course-schedule|
|138. 复制带随机指针的链表|4|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|69. x 的平方根|4|https://leetcode-cn.com/problems/sqrtx|
|240. 搜索二维矩阵 II|4|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|4. 寻找两个正序数组的中位数|3|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|103. 二叉树的锯齿形层次遍历|3|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|560. 和为K的子数组|3|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|162. 寻找峰值|3|https://leetcode-cn.com/problems/find-peak-element|
|62. 不同路径|3|https://leetcode-cn.com/problems/unique-paths|
|72. 编辑距离|3|https://leetcode-cn.com/problems/edit-distance|
|200. 岛屿数量|3|https://leetcode-cn.com/problems/number-of-islands|
|89. 格雷编码|3|https://leetcode-cn.com/problems/gray-code|
|98. 验证二叉搜索树|3|https://leetcode-cn.com/problems/validate-binary-search-tree|
|152. 乘积最大子数组|3|https://leetcode-cn.com/problems/maximum-product-subarray|
|384. 打乱数组|3|https://leetcode-cn.com/problems/shuffle-an-array|
|37. 解数独|3|https://leetcode-cn.com/problems/sudoku-solver|
|36. 有效的数独|3|https://leetcode-cn.com/problems/valid-sudoku|
|面试题 08.12. 八皇后|3|https://leetcode-cn.com/problems/eight-queens-lcci|
|141. 环形链表|3|https://leetcode-cn.com/problems/linked-list-cycle|
|153. 寻找旋转排序数组中的最小值|3|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|剑指 Offer 46. 把数字翻译成字符串|2|https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof|
|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
|986. 区间列表的交集|2|https://leetcode-cn.com/problems/interval-list-intersections|
|547. 省份数量（原朋友圈）|2|https://leetcode-cn.com/problems/number-of-provinces|
|34. 在排序数组中查找元素的第一个和最后一个位置|2|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|142. 环形链表 II|2|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|154. 寻找旋转排序数组中的最小值 II|2|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|10. 正则表达式匹配|2|https://leetcode-cn.com/problems/regular-expression-matching|
|79. 单词搜索|2|https://leetcode-cn.com/problems/word-search|
|剑指 Offer 52. 两个链表的第一个公共节点|2|https://leetcode-cn.com/problems/liang-ge-lian-biao-de-di-yi-ge-gong-gong-jie-dian-lcof|
|76. 最小覆盖子串|2|https://leetcode-cn.com/problems/minimum-window-substring|
|449. 序列化和反序列化二叉搜索树|2|https://leetcode-cn.com/problems/serialize-and-deserialize-bst|
|300. 最长上升子序列|2|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|剑指 Offer 33. 二叉搜索树的后序遍历序列|2|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof|
|剑指 Offer 04. 二维数组中的查找|2|https://leetcode-cn.com/problems/er-wei-shu-zu-zhong-de-cha-zhao-lcof|
|剑指 Offer 51. 数组中的逆序对|2|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|877. 石子游戏|2|https://leetcode-cn.com/problems/stone-game|
|59. 螺旋矩阵 II|2|https://leetcode-cn.com/problems/spiral-matrix-ii|
|25. K 个一组翻转链表|2|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|287. 寻找重复数|2|https://leetcode-cn.com/problems/find-the-duplicate-number|
|362. 敲击计数器|2|https://leetcode-cn.com/problems/design-hit-counter|
|119. 杨辉三角 II|2|https://leetcode-cn.com/problems/pascals-triangle-ii|
|863. 二叉树中所有距离为 K 的结点|2|https://leetcode-cn.com/problems/all-nodes-distance-k-in-binary-tree|
|1095. 山脉数组中查找目标值|2|https://leetcode-cn.com/problems/find-in-mountain-array|
|295. 数据流的中位数|2|https://leetcode-cn.com/problems/find-median-from-data-stream|
|8. 字符串转换整数 (atoi)|2|https://leetcode-cn.com/problems/string-to-integer-atoi|
|129. 求根到叶子节点数字之和|2|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|173. 二叉搜索树迭代器|2|https://leetcode-cn.com/problems/binary-search-tree-iterator|
|73. 矩阵置零|2|https://leetcode-cn.com/problems/set-matrix-zeroes|
|补充题12. 二叉树的下一个节点|2|https://mp.weixin.qq.com/s/yewlHvHSilMsrUMFIO8WAA|
|补充题6. 手撕堆排序|2|https://leetcode-cn.com/problems/sort-an-array|
|148. 排序链表|2|https://leetcode-cn.com/problems/sort-list|
|208. 实现 Trie (前缀树)|2|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|706. 设计哈希映射|2|https://leetcode-cn.com/problems/design-hashmap|
|160. 相交链表|2|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|428. 序列化和反序列化 N 叉树|2|https://leetcode-cn.com/problems/serialize-and-deserialize-n-ary-tree|
|64. 最小路径和|2|https://leetcode-cn.com/problems/minimum-path-sum|
|116. 填充每个节点的下一个右侧节点指针|2|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node|
|105. 从前序与中序遍历序列构造二叉树|2|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|40. 组合总和 II|2|https://leetcode-cn.com/problems/combination-sum-ii|
|189. 旋转数组|2|https://leetcode-cn.com/problems/rotate-array|
|84. 柱状图中最大的矩形|1|https://leetcode-cn.com/problems/largest-rectangle-in-histogram|
|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|867. 转置矩阵|1|https://leetcode-cn.com/problems/transpose-matrix|
|78. 子集|1|https://leetcode-cn.com/problems/subsets|
|907. 子数组的最小值之和|1|https://leetcode-cn.com/problems/sum-of-subarray-minimums|
|1013. 将数组分成和相等的三个部分|1|https://leetcode-cn.com/problems/partition-array-into-three-parts-with-equal-sum|
|572. 另一个树的子树|1|https://leetcode-cn.com/problems/subtree-of-another-tree|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|171. Excel表列序号|1|https://leetcode-cn.com/problems/excel-sheet-column-number|
|150. 逆波兰表达式求值|1|https://leetcode-cn.com/problems/evaluate-reverse-polish-notation|
|767. 重构字符串|1|https://leetcode-cn.com/problems/reorganize-string|
|459. 重复的子字符串|1|https://leetcode-cn.com/problems/repeated-substring-pattern|
|973. 最接近原点的 K 个点|1|https://leetcode-cn.com/problems/k-closest-points-to-origin|
|剑指 Offer 21. 调整数组顺序使奇数位于偶数前面|1|https://leetcode-cn.com/problems/diao-zheng-shu-zu-shun-xu-shi-qi-shu-wei-yu-ou-shu-qian-mian-lcof|
|剑指 Offer 36. 二叉搜索树与双向链表|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|887. 鸡蛋掉落|1|https://leetcode-cn.com/problems/super-egg-drop|
|剑指 Offer 26. 树的子结构|1|https://leetcode-cn.com/problems/shu-de-zi-jie-gou-lcof|
|328. 奇偶链表|1|https://leetcode-cn.com/problems/odd-even-linked-list|
|137. 只出现一次的数字 II|1|https://leetcode-cn.com/problems/single-number-ii|
|155. 最小栈|1|https://leetcode-cn.com/problems/min-stack|
|1375. 灯泡开关 III|1|https://leetcode-cn.com/problems/bulb-switcher-iii|
|662. 二叉树最大宽度|1|https://leetcode-cn.com/problems/maximum-width-of-binary-tree|
|44. 通配符匹配|1|https://leetcode-cn.com/problems/wildcard-matching|
|739. 每日温度|1|https://leetcode-cn.com/problems/daily-temperatures|
|122. 买卖股票的最佳时机 II|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|700. 二叉搜索树中的搜索|1|https://leetcode-cn.com/problems/search-in-a-binary-search-tree|
|701. 二叉搜索树中的插入操作|1|https://leetcode-cn.com/problems/insert-into-a-binary-search-tree|
|1312. 让字符串成为回文串的最少插入次数|1|https://leetcode-cn.com/problems/minimum-insertion-steps-to-make-a-string-palindrome|
|139. 单词拆分|1|https://leetcode-cn.com/problems/word-break|
|557. 反转字符串中的单词 III|1|https://leetcode-cn.com/problems/reverse-words-in-a-string-iii|
|60. 第k个排列|1|https://leetcode-cn.com/problems/permutation-sequence|
|848. 字母移位|1|https://leetcode-cn.com/problems/shifting-letters|
|569. 员工薪水中位数|1|https://leetcode-cn.com/problems/median-employee-salary|
|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
|617. 合并二叉树|1|https://leetcode-cn.com/problems/merge-two-binary-trees|
|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|713. 乘积小于K的子数组|1|https://leetcode-cn.com/problems/subarray-product-less-than-k|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|692. 前K个高频单词|1|https://leetcode-cn.com/problems/top-k-frequent-words|
|394. 字符串解码|1|https://leetcode-cn.com/problems/decode-string|
|1155. 掷骰子的N种方法|1|https://leetcode-cn.com/problems/number-of-dice-rolls-with-target-sum|
|694. 不同岛屿的数量|1|https://leetcode-cn.com/problems/number-of-distinct-islands|
|1314. 矩阵区域和|1|https://leetcode-cn.com/problems/matrix-block-sum|
|82. 删除排序链表中的重复元素 II|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|123. 买卖股票的最佳时机 III|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
|114. 二叉树展开为链表|1|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|407. 接雨水 II|1|https://leetcode-cn.com/problems/trapping-rain-water-ii|
|剑指 Offer 40. 最小的k个数|1|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|347. 前 K 个高频元素|1|https://leetcode-cn.com/problems/top-k-frequent-elements|
|剑指 Offer 31. 栈的压入、弹出序列|1|https://leetcode-cn.com/problems/zhan-de-ya-ru-dan-chu-xu-lie-lcof|
|29. 两数相除|1|https://leetcode-cn.com/problems/divide-two-integers|
|1356. 根据数字二进制下 1 的数目排序|1|https://leetcode-cn.com/problems/sort-integers-by-the-number-of-1-bits|
|386. 字典序排数|1|https://leetcode-cn.com/problems/lexicographical-numbers|
|311. 稀疏矩阵的乘法|1|https://leetcode-cn.com/problems/sparse-matrix-multiplication|
|166. 分数到小数|1|https://leetcode-cn.com/problems/fraction-to-recurring-decimal|
|补充题14. 阿拉伯数字转中文数字|1||
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|1358. 包含所有三种字符的子字符串数目|1|https://leetcode-cn.com/problems/number-of-substrings-containing-all-three-characters|
|剑指 Offer 53 - II. 0～n-1中缺失的数字|1|https://leetcode-cn.com/problems/que-shi-de-shu-zi-lcof|
|补充题17. 两个有序数组第k小的数|1||
|209. 长度最小的子数组|1|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|13. 罗马数字转整数|1|https://leetcode-cn.com/problems/roman-to-integer|
|643. 子数组最大平均数 I|1|https://leetcode-cn.com/problems/maximum-average-subarray-i|
|871. 最低加油次数|1|https://leetcode-cn.com/problems/minimum-number-of-refueling-stops|
|1615. 最大网络秩|1|https://leetcode-cn.com/problems/maximal-network-rank|
|剑指 Offer 56 - II. 数组中数字出现的次数 II|1|https://leetcode-cn.com/problems/shu-zu-zhong-shu-zi-chu-xian-de-ci-shu-ii-lcof|
|1483. 树节点的第 K 个祖先|1|https://leetcode-cn.com/problems/kth-ancestor-of-a-tree-node|
|1570. 两个稀疏向量的点积|1|https://leetcode-cn.com/problems/dot-product-of-two-sparse-vectors|
|628. 三个数的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-three-numbers|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|46. 全排列|1|https://leetcode-cn.com/problems/permutations|
|460. LFU缓存|1|https://leetcode-cn.com/problems/lfu-cache|
|785. 判断二分图|1|https://leetcode-cn.com/problems/is-graph-bipartite|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|242. 有效的字母异位词|1|https://leetcode-cn.com/problems/valid-anagram|
|307. 区域和检索 - 数组可修改|1|https://leetcode-cn.com/problems/range-sum-query-mutable|
|442. 数组中重复的数据|1|https://leetcode-cn.com/problems/find-all-duplicates-in-an-array|
|补充题13. 中文数字转阿拉伯数字|1||
|56. 合并区间|1|https://leetcode-cn.com/problems/merge-intervals|
|17. 电话号码的字母组合|1|https://leetcode-cn.com/problems/letter-combinations-of-a-phone-number|
|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|179. 最大数|1|https://leetcode-cn.com/problems/largest-number|
|513. 找树左下角的值|1|https://leetcode-cn.com/problems/find-bottom-left-tree-value|
|133. 克隆图|1|https://leetcode-cn.com/problems/clone-graph|
|99. 恢复二叉搜索树|1|https://leetcode-cn.com/problems/recover-binary-search-tree|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|168. Excel表列名称|1|https://leetcode-cn.com/problems/excel-sheet-column-title|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|337. 打家劫舍 III|1|https://leetcode-cn.com/problems/house-robber-iii|
|518. 零钱兑换 II|1|https://leetcode-cn.com/problems/coin-change-2|
|844. 比较含退格的字符串|1|https://leetcode-cn.com/problems/backspace-string-compare|
|353. 贪吃蛇|1|https://leetcode-cn.com/problems/design-snake-game|
|198. 打家劫舍|1|https://leetcode-cn.com/problems/house-robber|
|109. 有序链表转换二叉搜索树|1|https://leetcode-cn.com/problems/convert-sorted-list-to-binary-search-tree|
|70. 爬楼梯|1|https://leetcode-cn.com/problems/climbing-stairs|
|面试题 17.24. 最大子矩阵|1|https://leetcode-cn.com/problems/max-submatrix-lcci|
|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
|1497. 检查数组对是否可以被 k 整除|1|https://leetcode-cn.com/problems/check-if-array-pairs-are-divisible-by-k|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|354. 俄罗斯套娃信封问题|1|https://leetcode-cn.com/problems/russian-doll-envelopes|
|752. 打开转盘锁|1|https://leetcode-cn.com/problems/open-the-lock|
|797. 所有可能的路径|1|https://leetcode-cn.com/problems/all-paths-from-source-to-target|
|222. 完全二叉树的节点个数|1|https://leetcode-cn.com/problems/count-complete-tree-nodes|
|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
|743. 网络延迟时间|1|https://leetcode-cn.com/problems/network-delay-time|
|199. 二叉树的右视图|1|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|135. 分发糖果|1|https://leetcode-cn.com/problems/candy|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|剑指 Offer 15. 二进制中1的个数|1|https://leetcode-cn.com/problems/er-jin-zhi-zhong-1de-ge-shu-lcof|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|


================================================
FILE: shopee/algorithm.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|5. 最长回文子串|2|https://leetcode-cn.com/problems/longest-palindromic-substring|
|915. 分割数组|1|https://leetcode-cn.com/problems/partition-array-into-disjoint-intervals|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|724. 寻找数组的中心索引|1|https://leetcode-cn.com/problems/find-pivot-index|

================================================
FILE: shopee/backend.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|232. 用栈实现队列|10|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|160. 相交链表|8|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|1. 两数之和|7|https://leetcode-cn.com/problems/two-sum|
|21. 合并两个有序链表|7|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|179. 最大数|5|https://leetcode-cn.com/problems/largest-number|
|704. 二分查找|5|https://leetcode-cn.com/problems/binary-search|
|146. LRU缓存机制|5|https://leetcode-cn.com/problems/lru-cache|
|226. 翻转二叉树|4|https://leetcode-cn.com/problems/invert-binary-tree|
|206. 反转链表|4|https://leetcode-cn.com/problems/reverse-linked-list|
|2. 两数相加|4|https://leetcode-cn.com/problems/add-two-numbers|
|82. 删除排序链表中的重复元素 II|4|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|72. 编辑距离|3|https://leetcode-cn.com/problems/edit-distance|
|15. 三数之和|3|https://leetcode-cn.com/problems/3sum|
|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|34. 在排序数组中查找元素的第一个和最后一个位置|3|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|102. 二叉树的层序遍历|3|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|3. 无重复字符的最长子串|3|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|117. 填充每个节点的下一个右侧节点指针 II|3|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
|76. 最小覆盖子串|3|https://leetcode-cn.com/problems/minimum-window-substring|
|445. 两数相加 II|3|https://leetcode-cn.com/problems/add-two-numbers-ii|
|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|补充题5. 手撕归并排序|2|https://leetcode-cn.com/problems/sort-an-array|
|105. 从前序与中序遍历序列构造二叉树|2|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|199. 二叉树的右视图|2|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
|136. 只出现一次的数字|2|https://leetcode-cn.com/problems/single-number|
|剑指 Offer 51. 数组中的逆序对|2|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|113. 路径总和 II|2|https://leetcode-cn.com/problems/path-sum-ii|
|405. 数字转换为十六进制数|2|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
|剑指 Offer 22. 链表中倒数第k个节点|2|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
|145. 二叉树的后序遍历|2|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|25. K 个一组翻转链表|2|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|236. 二叉树的最近公共祖先|2|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|23. 合并K个排序链表|1|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|53. 最大子序和|1|https://leetcode-cn.com/problems/maximum-subarray|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|378. 有序矩阵中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix|
|154. 寻找旋转排序数组中的最小值 II|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array-ii|
|295. 数据流的中位数|1|https://leetcode-cn.com/problems/find-median-from-data-stream|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|167. 两数之和 II - 输入有序数组|1|https://leetcode-cn.com/problems/two-sum-ii-input-array-is-sorted|
|54. 螺旋矩阵|1|https://leetcode-cn.com/problems/spiral-matrix|
|114. 二叉树展开为链表|1|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|153. 寻找旋转排序数组中的最小值|1|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|230. 二叉搜索树中第K小的元素|1|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|剑指 Offer 62. 圆圈中最后剩下的数字|1|https://leetcode-cn.com/problems/yuan-quan-zhong-zui-hou-sheng-xia-de-shu-zi-lcof|
|98. 验证二叉搜索树|1|https://leetcode-cn.com/problems/validate-binary-search-tree|
|402. 移掉K位数字|1|https://leetcode-cn.com/problems/remove-k-digits|
|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|528. 按权重随机选择|1|https://leetcode-cn.com/problems/random-pick-with-weight|
|680. 验证回文字符串 Ⅱ|1|https://leetcode-cn.com/problems/valid-palindrome-ii|
|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|443. 压缩字符串|1|https://leetcode-cn.com/problems/string-compression|
|225. 用队列实现栈|1|https://leetcode-cn.com/problems/implement-stack-using-queues|
|83. 删除排序链表中的重复元素|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|92. 反转链表 II|1|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|97. 交错字符串|1|https://leetcode-cn.com/problems/interleaving-string|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|139. 单词拆分|1|https://leetcode-cn.com/problems/word-break|
|547. 省份数量（原朋友圈）|1|https://leetcode-cn.com/problems/number-of-provinces|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|369. 给单链表加一|1|https://leetcode-cn.com/problems/plus-one-linked-list|
|补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array|
|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|62. 不同路径|1|https://leetcode-cn.com/problems/unique-paths|
|513. 找树左下角的值|1|https://leetcode-cn.com/problems/find-bottom-left-tree-value|
|79. 单词搜索|1|https://leetcode-cn.com/problems/word-search|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
|670. 最大交换|1|https://leetcode-cn.com/problems/maximum-swap|
|703. 数据流中的第K大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-a-stream|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|241. 为运算表达式设计优先级|1|https://leetcode-cn.com/problems/different-ways-to-add-parentheses|
|746. 使用最小花费爬楼梯|1|https://leetcode-cn.com/problems/min-cost-climbing-stairs|
|187. 重复的DNA序列|1|https://leetcode-cn.com/problems/repeated-dna-sequences|
|面试题 01.06. 字符串压缩|1|https://leetcode-cn.com/problems/compress-string-lcci|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|剑指 Offer 33. 二叉搜索树的后序遍历序列|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof|
|727. 最小窗口子序列|1|https://leetcode-cn.com/problems/minimum-window-subsequence|
|118. 杨辉三角|1|https://leetcode-cn.com/problems/pascals-triangle|
|392. 判断子序列|1|https://leetcode-cn.com/problems/is-subsequence|
|73. 矩阵置零|1|https://leetcode-cn.com/problems/set-matrix-zeroes|
|47. 全排列 II|1|https://leetcode-cn.com/problems/permutations-ii|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|剑指 Offer 48. 最长不含重复字符的子字符串|1|https://leetcode-cn.com/problems/zui-chang-bu-han-zhong-fu-zi-fu-de-zi-zi-fu-chuan-lcof|
|1038. 从二叉搜索树到更大和树|1|https://leetcode-cn.com/problems/binary-search-tree-to-greater-sum-tree|
|123. 买卖股票的最佳时机 III|1|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iii|
|257. 二叉树的所有路径|1|https://leetcode-cn.com/problems/binary-tree-paths|
|75. 颜色分类|1|https://leetcode-cn.com/problems/sort-colors|
|628. 三个数的最大乘积|1|https://leetcode-cn.com/problems/maximum-product-of-three-numbers|

================================================
FILE: shopee/client.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索
|题目|出现次数|链接|
|-|-|-|
|53. 最大子序和|5|https://leetcode-cn.com/problems/maximum-subarray|
|206. 反转链表|3|https://leetcode-cn.com/problems/reverse-linked-list|
|110. 平衡二叉树|2|https://leetcode-cn.com/problems/balanced-binary-tree|
|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|54. 螺旋矩阵|2|https://leetcode-cn.com/problems/spiral-matrix|
|剑指 Offer 22. 链表中倒数第k个节点|2|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|215. 数组中的第K个最大元素|1|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|88. 合并两个有序数组|1|https://leetcode-cn.com/problems/merge-sorted-array|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|152. 乘积最大子数组|1|https://leetcode-cn.com/problems/maximum-product-subarray|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|补充题5. 手撕归并排序|1|https://leetcode-cn.com/problems/sort-an-array|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|剑指 Offer 31. 栈的压入、弹出序列|1|https://leetcode-cn.com/problems/zhan-de-ya-ru-dan-chu-xu-lie-lcof|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|2. 两数相加|1|https://leetcode-cn.com/problems/add-two-numbers|
|剑指 Offer 54. 二叉搜索树的第k大节点|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|

================================================
FILE: shopee/data.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array|
|剑指 Offer 27. 二叉树的镜像|1|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|剑指 Offer 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|

================================================
FILE: shopee/frontend.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|剑指 Offer 10- I. 斐波那契数列|2|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
|补充题4. 手撕快速排序|2|https://leetcode-cn.com/problems/sort-an-array|
|94. 二叉树的中序遍历|2|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|349. 两个数组的交集|1|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|151. 翻转字符串里的单词|1|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|1. 两数之和|1|https://leetcode-cn.com/problems/two-sum|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|

================================================
FILE: shopee/test.md
================================================
我最近开发的[CodeTop网站](https://codetop.cc)可以按照**部门**、**难度**筛选，比markdown更方便检索

|题目|出现次数|链接|
|-|-|-|
|88. 合并两个有序数组|3|https://leetcode-cn.com/problems/merge-sorted-array|
|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
|14. 最长公共前缀|3|https://leetcode-cn.com/problems/longest-common-prefix|
|136. 只出现一次的数字|3|https://leetcode-cn.com/problems/single-number|
|141. 环形链表|2|https://leetcode-cn.com/problems/linked-list-cycle|
|8. 字符串转换整数 (atoi)|2|https://leetcode-cn.com/problems/string-to-integer-atoi|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|278. 第一个错误的版本|2|https://leetcode-cn.com/problems/first-bad-version|
|59. 螺旋矩阵 II|2|https://leetcode-cn.com/problems/spiral-matrix-ii|
|剑指 Offer 10- I. 斐波那契数列|2|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|704. 二分查找|2|https://leetcode-cn.com/problems/binary-search|
|160. 相交链表|2|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|34. 在排序数组中查找元素的第一个和最后一个位置|2|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|1. 两数之和|2|https://leetcode-cn.com/problems/two-sum|
|15. 三数之和|2|https://leetcode-cn.com/problems/3sum|
|5. 最长回文子串|2|https://leetcode-cn.com/problems/longest-palindromic-substring|
|补充题13. 中文数字转阿拉伯数字|1||
|剑指 Offer 03. 数组中重复的数字|1|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
|145. 二叉树的后序遍历|1|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|102. 二叉树的层序遍历|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|350. 两个数组的交集 II|1|https://leetcode-cn.com/problems/intersection-of-two-arrays-ii|
|268. 缺失数字|1|https://leetcode-cn.com/problems/missing-number|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|877. 石子游戏|1|https://leetcode-cn.com/problems/stone-game|
|162. 寻找峰值|1|https://leetcode-cn.com/problems/find-peak-element|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|168. Excel表列名称|1|https://leetcode-cn.com/problems/excel-sheet-column-title|
|191. 位1的个数|1|https://leetcode-cn.com/problems/number-of-1-bits|
|647. 回文子串|1|https://leetcode-cn.com/problems/palindromic-substrings|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|剑指 Offer 22. 链表中倒数第k个节点|1|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|

================================================
FILE: tencent/algorithm.md
================================================
# 算法
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|206. 反转链表|5|https://leetcode-cn.com/problems/reverse-linked-list|
|53. 最大子序和|4|https://leetcode-cn.com/problems/maximum-subarray|
|1143. 最长公共子序列|3|https://leetcode-cn.com/problems/longest-common-subsequence|
|442. 数组中重复的数据|2|https://leetcode-cn.com/problems/find-all-duplicates-in-an-array|
|300. 最长上升子序列|2|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|8. 字符串转换整数 (atoi)|2|https://leetcode-cn.com/problems/string-to-integer-atoi|
|215. 数组中的第K个最大元素|2|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|21. 合并两个有序链表|1|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|494. 目标和|1|https://leetcode-cn.com/problems/target-sum|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|72. 编辑距离|1|https://leetcode-cn.com/problems/edit-distance|
|633. 平方数之和|1|https://leetcode-cn.com/problems/sum-of-square-numbers|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|152. 乘积最大子数组|1|https://leetcode-cn.com/problems/maximum-product-subarray|
|15. 三数之和|1|https://leetcode-cn.com/problems/3sum|
|105. 从前序与中序遍历序列构造二叉树|1|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|148. 排序链表|1|https://leetcode-cn.com/problems/sort-list|
|239. 滑动窗口最大值|1|https://leetcode-cn.com/problems/sliding-window-maximum|
|22. 括号生成|1|https://leetcode-cn.com/problems/generate-parentheses|
|75. 颜色分类|1|https://leetcode-cn.com/problems/sort-colors|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|171. Excel表列序号|1|https://leetcode-cn.com/problems/excel-sheet-column-number|
|5. 最长回文子串|1|https://leetcode-cn.com/problems/longest-palindromic-substring|
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|补充题4. 手撕快速排序|1|https://leetcode-cn.com/problems/sort-an-array|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|

================================================
FILE: tencent/backend.md
================================================
# 后端
若想按部门/难度/题型筛选题目，请进入[CodeTop](https://codetop.cc)查询
|题目|出现次数|链接|
|-|-|-|
|146. LRU缓存机制|32|https://leetcode-cn.com/problems/lru-cache|
|206. 反转链表|30|https://leetcode-cn.com/problems/reverse-linked-list|
|补充题4. 手撕快速排序|24|https://leetcode-cn.com/problems/sort-an-array|
|21. 合并两个有序链表|18|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|470. 用 Rand7() 实现 Rand10()|15|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|234. 回文链表|14|https://leetcode-cn.com/problems/palindrome-linked-list|
|8. 字符串转换整数 (atoi)|13|https://leetcode-cn.com/problems/string-to-integer-atoi|
|53. 最大子序和|12|https://leetcode-cn.com/problems/maximum-subarray|
|460. LFU缓存|12|https://leetcode-cn.com/problems/lfu-cache|
|215. 数组中的第K个最大元素|10|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|153. 寻找旋转排序数组中的最小值|10|https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array|
|3. 无重复字符的最长子串|10|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|704. 二分查找|10|https://leetcode-cn.com/problems/binary-search|
|415. 字符串相加|10|https://leetcode-cn.com/problems/add-strings|
|补充题6. 手撕堆排序|9|https://leetcode-cn.com/problems/sort-an-array|
|剑指 Offer 54. 二叉搜索树的第k大节点|9|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|160. 相交链表|8|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|141. 环形链表|8|https://leetcode-cn.com/problems/linked-list-cycle|
|151. 翻转字符串里的单词|8|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|4. 寻找两个正序数组的中位数|7|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|42. 接雨水|7|https://leetcode-cn.com/problems/trapping-rain-water|
|102. 二叉树的层序遍历|7|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|144. 二叉树的前序遍历|7|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|300. 最长上升子序列|6|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|110. 平衡二叉树|6|https://leetcode-cn.com/problems/balanced-binary-tree|
|2. 两数相加|6|https://leetcode-cn.com/problems/add-two-numbers|
|70. 爬楼梯|6|https://leetcode-cn.com/problems/climbing-stairs|
|213. 打家劫舍 II|6|https://leetcode-cn.com/problems/house-robber-ii|
|5. 最长回文子串|6|https://leetcode-cn.com/problems/longest-palindromic-substring|
|494. 目标和|6|https://leetcode-cn.com/problems/target-sum|
|15. 三数之和|6|https://leetcode-cn.com/problems/3sum|
|1. 两数之和|5|https://leetcode-cn.com/problems/two-sum|
|239. 滑动窗口最大值|5|https://leetcode-cn.com/problems/sliding-window-maximum|
|136. 只出现一次的数字|5|https://leetcode-cn.com/problems/single-number|
|25. K 个一组翻转链表|5|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|232. 用栈实现队列|5|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|155. 最小栈|5|https://leetcode-cn.com/problems/min-stack|
|104. 二叉树的最大深度|5|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|剑指 Offer 22. 链表中倒数第k个节点|5|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|322. 零钱兑换|5|https://leetcode-cn.com/problems/coin-change|
|525. 连续数组|5|https://leetcode-cn.com/problems/contiguous-array|
|169. 多数元素|4|https://leetcode-cn.com/problems/majority-element|
|236. 二叉树的最近公共祖先|4|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|328. 奇偶链表|4|https://leetcode-cn.com/problems/odd-even-linked-list|
|9. 回文数|4|https://leetcode-cn.com/problems/palindrome-number|
|112. 路径总和|4|https://leetcode-cn.com/problems/path-sum|
|142. 环形链表 II|4|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|54. 螺旋矩阵|4|https://leetcode-cn.com/problems/spiral-matrix|
|240. 搜索二维矩阵 II|4|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|20. 有效的括号|4|https://leetcode-cn.com/problems/valid-parentheses|
|706. 设计哈希映射|4|https://leetcode-cn.com/problems/design-hashmap|
|678. 有效的括号字符串|4|https://leetcode-cn.com/problems/valid-parenthesis-string|
|补充题5. 手撕归并排序|4|https://leetcode-cn.com/problems/sort-an-array|
|31. 下一个排列|4|https://leetcode-cn.com/problems/next-permutation|
|33. 搜索旋转排序数组|4|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|199. 二叉树的右视图|4|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|887. 鸡蛋掉落|4|https://leetcode-cn.com/problems/super-egg-drop|
|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
|88. 合并两个有序数组|4|https://leetcode-cn.com/problems/merge-sorted-array|
|23. 合并K个排序链表|3|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|189. 旋转数组|3|https://leetcode-cn.com/problems/rotate-array|
|59. 螺旋矩阵 II|3|https://leetcode-cn.com/problems/spiral-matrix-ii|
|43. 字符串相乘|3|https://leetcode-cn.com/problems/multiply-strings|
|384. 打乱数组|3|https://leetcode-cn.com/problems/shuffle-an-array|
|172. 阶乘后的零|3|https://leetcode-cn.com/problems/factorial-trailing-zeroes|
|227. 基本计算器 II|3|https://leetcode-cn.com/problems/basic-calculator-ii|
|718. 最长重复子数组|3|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|394. 字符串解码|3|https://leetcode-cn.com/problems/decode-string|
|69. x 的平方根|3|https://leetcode-cn.com/problems/sqrtx|
|148. 排序链表|3|https://leetcode-cn.com/problems/sort-list|
|143. 重排链表|3|https://leetcode-cn.com/problems/reorder-list|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|37. 解数独|2|https://leetcode-cn.com/problems/sudoku-solver|
|剑指 Offer 42. 连续子数组的最大和|2|https://leetcode-cn.com/problems/lian-xu-zi-shu-zu-de-zui-da-he-lcof|
|287. 寻找重复数|2|https://leetcode-cn.com/problems/find-the-duplicate-number|
|129. 求根到叶子节点数字之和|2|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|78. 子集|2|https://leetcode-cn.com/problems/subsets|
|剑指 Offer 03. 数组中重复的数字|2|https://leetcode-cn.com/problems/shu-zu-zhong-zhong-fu-de-shu-zi-lcof|
|93. 复原IP地址|2|https://leetcode-cn.com/problems/restore-ip-addresses|
|82. 删除排序链表中的重复元素 II|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|138. 复制带随机指针的链表|2|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|113. 路径总和 II|2|https://leetcode-cn.com/problems/path-sum-ii|
|剑指 Offer 65. 不用加减乘除做加法|2|https://leetcode-cn.com/problems/bu-yong-jia-jian-cheng-chu-zuo-jia-fa-lcof|
|459. 重复的子字符串|2|https://leetcode-cn.com/problems/repeated-substring-pattern|
|19. 删除链表的倒数第N个节点|2|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|11. 盛最多水的容器|2|https://leetcode-cn.com/problems/container-with-most-water|
|26. 删除排序数组中的重复项|2|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|103. 二叉树的锯齿形层次遍历|2|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|补充题21. 字符串相减|2|https://mp.weixin.qq.com/s/kCue4c0gnLSw0HosFl_t7w|
|907. 子数组的最小值之和|2|https://leetcode-cn.com/problems/sum-of-subarray-minimums|
|补充题22. IP地址与整数的转换|2|https://mp.weixin.qq.com/s/u-RahFTB3JIqND41HqtotQ|
|692. 前K个高频单词|2|https://leetcode-cn.com/problems/top-k-frequent-words|
|200. 岛屿数量|2|https://leetcode-cn.com/problems/number-of-islands|
|14. 最长公共前缀|2|https://leetcode-cn.com/problems/longest-common-prefix|
|118. 杨辉三角|2|https://leetcode-cn.com/problems/pascals-triangle|
|剑指 Offer 57 - II. 和为s的连续正数序列|2|https://leetcode-cn.com/problems/he-wei-sde-lian-xu-zheng-shu-xu-lie-lcof|
|剑指 Offer 40. 最小的k个数|2|https://leetcode-cn.com/problems/zui-xiao-de-kge-shu-lcof|
|378. 有序矩阵中第K小的元素|2|https://leetcode-cn.com/problems/kth-smallest-element-in-a-sorted-matrix|
|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|480. 滑动窗口中位数|2|https://leetcode-cn.com/problems/sliding-window-median|
|1095. 山脉数组中查找目标值|2|https://leetcode-cn.com/problems/find-in-mountain-array|
|405. 数字转换为十六进制数|2|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|92. 反转链表 II|2|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|876. 链表的中间结点|2|https://leetcode-cn.com/problems/middle-of-the-linked-list|
|剑指 Offer 24. 反转链表|1|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|409. 最长回文串|1|https://leetcode-cn.com/problems/longest-palindrome|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|530. 二叉搜索树的最小绝对差|1|https://leetcode-cn.com/problems/minimum-absolute-difference-in-bst|
|315. 计算右侧小于当前元素的个数|1|https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self|
|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
|679. 24 点游戏|1|https://leetcode-cn.com/problems/24-game|
|994. 腐烂的橘子|1|https://leetcode-cn.com/problems/rotting-oranges|
|588. 设计内存文件系统|1|https://leetcode-cn.com/problems/design-in-memory-file-system|
|125. 验证回文串|1|https://leetcode-cn.com/problems/valid-palindrome|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|337. 打家劫舍 III|1|https://leetcode-cn.com/problems/house-robber-iii|
|226. 翻转二叉树|1|https://leetcode-cn.com/problems/invert-binary-tree|
|剑指 Offer 51. 数组中的逆序对|1|https://leetcode-cn.com/problems/shu-zu-zhong-de-ni-xu-dui-lcof|
|补充题17. 两个有序数组第k小的数|1||
|217. 存在重复元素|1|https://leetcode-cn.com/problems/contains-duplicate|
|242. 有效的字母异位词|1|https://leetcode-cn.com/problems/valid-anagram|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|74. 搜索二维矩阵|1|https://leetcode-cn.com/problems/search-a-2d-matrix|
|701. 二叉搜索树中的插入操作|1|https://leetcode-cn.com/problems/insert-into-a-binary-search-tree|
|1047. 删除字符串中的所有相邻重复项|1|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|75. 颜色分类|1|https://leetcode-cn.com/problems/sort-colors|
|补充题14. 阿拉伯数字转中文数字|1||
|134. 加油站|1|https://leetcode-cn.com/problems/gas-station|
|231. 2的幂|1|https://leetcode-cn.com/problems/power-of-two|
|451. 根据字符出现频率排序|1|https://leetcode-cn.com/problems/sort-characters-by-frequency|
|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|7. 整数反转|1|https://leetcode-cn.com/problems/reverse-integer|
|316. 去除重复字母|1|https://leetcode-cn.com/problems/remove-duplicate-letters|
|117. 填充每个节点的下一个右侧节点指针 II|1|https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node-ii|
|61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list|
|283. 移动零|1|https://leetcode-cn.com/problems/move-zeroes|
|剑指 Offer 36. 二叉搜索树与双向链表|1|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-lcof|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|1044. 最长重复子串|1|https://leetcode-cn.com/problems/longest-duplicate-substring|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|162. 寻找峰值|1|https://leetcode-cn.com/problems/find-peak-element|
|208. 实现 Trie (前缀树)|1|https://leetcode-cn.com/problems/implement-trie-prefix-tree|
|179. 最大数|1|https://leetcode-cn.com/problems/largest-number|
|728. 自除数|1|https://leetcode-cn.com/problems/self-dividing-numbers|
|391. 完美矩形|1|https://leetcode-cn.com/problems/perfect-