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# 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。
**为方便大家高效检索题目，推出CodeTop网站，支持公司+部门+岗位自由组合查询**[https://codetop.cc](https://codetop.cc)
我最近开发的**CodeTop网站**([https://codetop.cc](https://codetop.cc))，支持按**公司**、**部门**、**岗位**组合查询，方便大家高效检索题目。
相对于力扣官方企业题库，CodeTop有以下优点
@@ -13,20 +13,34 @@
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：若想加大厂面试交流群，请在「一个搬砖的胖子」公众号点击「加交流群」，添加我的微信后即被拉群
: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」回复「加群」，添加我的微信后即被拉群
:book: 面经导航：我将汇总过的几千篇面经整理成大厂面经导航.xlsx，方便大家按公司、部门、岗位定位面经原文链接。目前已包括字节跳动、腾讯、美团等公司。公众号「一个搬砖的胖子」后台回复公司名称即可获取下载链接。
![公众号：一个搬砖的胖子](https://github.com/afatcoder/LeetcodeTop/blob/master/img/wechat.png)
:link:友情链接：我的好友鱼皮开发了个编程导航网站，旨在发现优质编程学习资源，提高编程学习效率。这是他的仓库[code-nav](https://github.com/liyupi/code-nav)，大家可以去看看，欢迎Star⭐
: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:若转载文章，需注明本仓库地址
: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（更新至牛客4.28日的面经）
## 字节跳动（更新至牛客2021.4.30的面经）
<details>
<summary>按岗位分类</summary>
[3.1~4.6出现的题目](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/latest.md)
- [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)
</details>
## 微软（更新至牛客2021.4.30的面经）
- [SDE](https://github.com/afatcoder/LeetcodeTop/blob/master/microsoft/SDE.md)
## 美团（更新至牛客2021.4.23号面经）
## 美团（更新至牛客2021.4.23面经）
<details>
<summary>按岗位分类</summary>
@@ -38,7 +52,7 @@
- [数据开发](https://github.com/afatcoder/LeetcodeTop/blob/master/meituan/data.md)
</details>
## 腾讯（更新至牛客21.4.12日的面经）
## 腾讯（更新至牛客2021.4.12的面经）
<details>
<summary>按岗位分类</summary>
@@ -49,18 +63,6 @@
- [测试](https://github.com/afatcoder/LeetcodeTop/blob/master/tencent/test.md)
</details>
## 字节跳动（更新至牛客2021.4.6日的面经）
<details>
<summary>按岗位分类</summary>
[3.1~4.6出现的题目](https://github.com/afatcoder/LeetcodeTop/blob/master/bytedance/latest.md)
- [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)
</details>
## 猿辅导（更新至牛客3.5日的面经）
<details>
<summary>按岗位分类</summary>

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bytedance/algorithm.md
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# 算法
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|
|-|-|-|
|72. 编辑距离|8|https://leetcode-cn.com/problems/edit-distance|
|300. 最长上升子序列|6|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|72. 编辑距离|6|https://leetcode-cn.com/problems/edit-distance|
|103. 二叉树的锯齿形层次遍历|5|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|215. 数组中的第K个最大元素|4|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|200. 岛屿数量|3|https://leetcode-cn.com/problems/number-of-islands|
|4. 寻找两个正序数组的中位数|3|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|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|
|236. 二叉树的最近公共祖先|3|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|64. 最小路径和|3|https://leetcode-cn.com/problems/minimum-path-sum|
|103. 二叉树的锯齿形层次遍历|3|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|200. 岛屿数量|3|https://leetcode-cn.com/problems/number-of-islands|
|33. 搜索旋转排序数组|3|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|102. 二叉树的层序遍历|3|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|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|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|70. 爬楼梯|2|https://leetcode-cn.com/problems/climbing-stairs|
|49. 字母异位词分组|2|https://leetcode-cn.com/problems/group-anagrams|
|85. 最大矩形|2|https://leetcode-cn.com/problems/maximal-rectangle|
|287. 寻找重复数|2|https://leetcode-cn.com/problems/find-the-duplicate-number|
|5. 最长回文子串|2|https://leetcode-cn.com/problems/longest-palindromic-substring|
|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|
|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
|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|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|15. 三数之和|2|https://leetcode-cn.com/problems/3sum|
|补充题4. 手撕快速排序|2|https://leetcode-cn.com/problems/sort-an-array|
|394. 字符串解码|2|https://leetcode-cn.com/problems/decode-string|
|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
|3. 无重复字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|572. 另一个树的子树|2|https://leetcode-cn.com/problems/subtree-of-another-tree|
|4. 寻找两个正序数组的中位数|2|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|23. 合并K个排序链表|2|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|1. 两数之和|2|https://leetcode-cn.com/problems/two-sum|
|剑指 Offer 29. 顺时针打印矩阵|2|https://leetcode-cn.com/problems/shun-shi-zhen-da-yin-ju-zhen-lcof|
|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 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|403. 青蛙过河|1|https://leetcode-cn.com/problems/frog-jump|
|41. 缺失的第一个正数|1|https://leetcode-cn.com/problems/first-missing-positive|
|96. 不同的二叉搜索树|1|https://leetcode-cn.com/problems/unique-binary-search-trees|
|面试题 16.03. 交点|1|https://leetcode-cn.com/problems/intersection-lcci|
|297. 二叉树的序列化与反序列化|1|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|582. 杀死进程|1|https://leetcode-cn.com/problems/kill-process|
|334. 递增的三元子序列|1|https://leetcode-cn.com/problems/increasing-triplet-subsequence|
|440. 字典序的第K小数字|1|https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order|
|718. 最长重复子数组|1|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|3. 无重复字符的最长子串|1|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|32. 最长有效括号|1|https://leetcode-cn.com/problems/longest-valid-parentheses|
|1143. 最长公共子序列|1|https://leetcode-cn.com/problems/longest-common-subsequence|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|98. 验证二叉搜索树|1|https://leetcode-cn.com/problems/validate-binary-search-tree|
|407. 接雨水 II|1|https://leetcode-cn.com/problems/trapping-rain-water-ii|
|107. 二叉树的层次遍历 II|1|https://leetcode-cn.com/problems/binary-tree-level-order-traversal-ii|
|871. 最低加油次数|1|https://leetcode-cn.com/problems/minimum-number-of-refueling-stops|
|695. 岛屿的最大面积|2|https://leetcode-cn.com/problems/max-area-of-island|
|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|
|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|
|49. 字母异位词分组|2|https://leetcode-cn.com/problems/group-anagrams|
|209. 长度最小的子数组|2|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|48. 旋转图像|2|https://leetcode-cn.com/problems/rotate-image|
|85. 最大矩形|2|https://leetcode-cn.com/problems/maximal-rectangle|
|287. 寻找重复数|2|https://leetcode-cn.com/problems/find-the-duplicate-number|
|5. 最长回文子串|2|https://leetcode-cn.com/problems/longest-palindromic-substring|
|46. 全排列|2|https://leetcode-cn.com/problems/permutations|
|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|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|补充题4. 手撕快速排序|2|https://leetcode-cn.com/problems/sort-an-array|
|415. 字符串相加|2|https://leetcode-cn.com/problems/add-strings|
|69. x 的平方根|2|https://leetcode-cn.com/problems/sqrtx|
|104. 二叉树的最大深度|1|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|632. 最小区间|1|https://leetcode-cn.com/problems/smallest-range-covering-elements-from-k-lists|
|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|
|227. 基本计算器 II|1|https://leetcode-cn.com/problems/basic-calculator-ii|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|726. 原子的数量|1|https://leetcode-cn.com/problems/number-of-atoms|
|306. 累加数|1|https://leetcode-cn.com/problems/additive-number|
|415. 字符串相加|1|https://leetcode-cn.com/problems/add-strings|
|160. 相交链表|1|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|1420. 生成数组|1|https://leetcode-cn.com/problems/build-array-where-you-can-find-the-maximum-exactly-k-comparisons|
|636. 函数的独占时间|1|https://leetcode-cn.com/problems/exclusive-time-of-functions|
|405. 数字转换为十六进制数|1|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|1363. 形成三的最大倍数|1|https://leetcode-cn.com/problems/largest-multiple-of-three|
|128. 最长连续序列|1|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|48. 旋转图像|1|https://leetcode-cn.com/problems/rotate-image|
|209. 长度最小的子数组|1|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|509. 斐波那契数|1|https://leetcode-cn.com/problems/fibonacci-number|
|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|
|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 09. 用两个栈实现队列|1|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|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|
|152. 乘积最大子数组|1|https://leetcode-cn.com/problems/maximum-product-subarray|
|518. 零钱兑换 II|1|https://leetcode-cn.com/problems/coin-change-2|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|169. 多数元素|1|https://leetcode-cn.com/problems/majority-element|
|560. 和为K的子数组|1|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|437. 路径总和 III|1|https://leetcode-cn.com/problems/path-sum-iii|
|264. 丑数 II|1|https://leetcode-cn.com/problems/ugly-number-ii|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|695. 岛屿的最大面积|1|https://leetcode-cn.com/problems/max-area-of-island|
|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 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|
|63. 不同路径 II|1|https://leetcode-cn.com/problems/unique-paths-ii|
|62. 不同路径|1|https://leetcode-cn.com/problems/unique-paths|
|50. Pow(x, n)|1|https://leetcode-cn.com/problems/powx-n|
|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|
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|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|
|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|
|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|
|179. 最大数|1|https://leetcode-cn.com/problems/largest-number|
|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|
|445. 两数相加 II|1|https://leetcode-cn.com/problems/add-two-numbers-ii|
|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|
|814. 二叉树剪枝|1|https://leetcode-cn.com/problems/binary-tree-pruning|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|20. 有效的括号|1|https://leetcode-cn.com/problems/valid-parentheses|
|376. 摆动序列|1|https://leetcode-cn.com/problems/wiggle-subsequence|
|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|
|25. K 个一组翻转链表|1|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|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|
|129. 求根到叶子节点数字之和|1|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|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|
|42. 接雨水|1|https://leetcode-cn.com/problems/trapping-rain-water|
|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|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|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|

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# 后端
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|41|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|103. 二叉树的锯齿形层次遍历|40|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|25. K 个一组翻转链表|38|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|206. 反转链表|37|https://leetcode-cn.com/problems/reverse-linked-list|
|215. 数组中的第K个最大元素|33|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|146. LRU缓存机制|32|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|30|https://leetcode-cn.com/problems/3sum|
|121. 买卖股票的最佳时机|29|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|236. 二叉树的最近公共祖先|22|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|160. 相交链表|21|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|42. 接雨水|20|https://leetcode-cn.com/problems/trapping-rain-water|
|199. 二叉树的右视图|19|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|21. 合并两个有序链表|19|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|105. 从前序与中序遍历序列构造二叉树|18|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|23. 合并K个排序链表|18|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|33. 搜索旋转排序数组|17|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|54. 螺旋矩阵|16|https://leetcode-cn.com/problems/spiral-matrix|
|124. 二叉树中的最大路径和|15|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|143. 重排链表|15|https://leetcode-cn.com/problems/reorder-list|
|155. 最小栈|14|https://leetcode-cn.com/problems/min-stack|
|69. x 的平方根|14|https://leetcode-cn.com/problems/sqrtx|
|1. 两数之和|14|https://leetcode-cn.com/problems/two-sum|
|31. 下一个排列|13|https://leetcode-cn.com/problems/next-permutation|
|46. 全排列|13|https://leetcode-cn.com/problems/permutations|
|25. K 个一组翻转链表|54|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|3. 无重复字符的最长子串|52|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|215. 数组中的第K个最大元素|47|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|103. 二叉树的锯齿形层次遍历|45|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|146. LRU缓存机制|45|https://leetcode-cn.com/problems/lru-cache|
|206. 反转链表|43|https://leetcode-cn.com/problems/reverse-linked-list|
|15. 三数之和|39|https://leetcode-cn.com/problems/3sum|
|121. 买卖股票的最佳时机|38|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|160. 相交链表|28|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|236. 二叉树的最近公共祖先|28|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|42. 接雨水|26|https://leetcode-cn.com/problems/trapping-rain-water|
|33. 搜索旋转排序数组|24|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|199. 二叉树的右视图|23|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|23. 合并K个排序链表|21|https://leetcode-cn.com/problems/merge-k-sorted-lists|
|31. 下一个排列|21|https://leetcode-cn.com/problems/next-permutation|
|143. 重排链表|21|https://leetcode-cn.com/problems/reorder-list|
|69. x 的平方根|20|https://leetcode-cn.com/problems/sqrtx|
|21. 合并两个有序链表|20|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|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|
|54. 螺旋矩阵|19|https://leetcode-cn.com/problems/spiral-matrix|
|92. 反转链表 II|19|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|124. 二叉树中的最大路径和|17|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|200. 岛屿数量|17|https://leetcode-cn.com/problems/number-of-islands|
|300. 最长上升子序列|17|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|1. 两数之和|16|https://leetcode-cn.com/problems/two-sum|
|补充题1. 排序奇升偶降链表|16|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|155. 最小栈|15|https://leetcode-cn.com/problems/min-stack|
|101. 对称二叉树|14|https://leetcode-cn.com/problems/symmetric-tree|
|46. 全排列|14|https://leetcode-cn.com/problems/permutations|
|41. 缺失的第一个正数|13|https://leetcode-cn.com/problems/first-missing-positive|
|98. 验证二叉搜索树|13|https://leetcode-cn.com/problems/validate-binary-search-tree|
|76. 最小覆盖子串|13|https://leetcode-cn.com/problems/minimum-window-substring|
|56. 合并区间|12|https://leetcode-cn.com/problems/merge-intervals|
|141. 环形链表|12|https://leetcode-cn.com/problems/linked-list-cycle|
|234. 回文链表|12|https://leetcode-cn.com/problems/palindrome-linked-list|
|200. 岛屿数量|12|https://leetcode-cn.com/problems/number-of-islands|
|补充题1. 排序奇升偶降链表|12|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|101. 对称二叉树|11|https://leetcode-cn.com/problems/symmetric-tree|
|20. 有效的括号|11|https://leetcode-cn.com/problems/valid-parentheses|
|41. 缺失的第一个正数|11|https://leetcode-cn.com/problems/first-missing-positive|
|92. 反转链表 II|11|https://leetcode-cn.com/problems/reverse-linked-list-ii|
|518. 零钱兑换 II|12|https://leetcode-cn.com/problems/coin-change-2|
|322. 零钱兑换|12|https://leetcode-cn.com/problems/coin-change|
|20. 有效的括号|12|https://leetcode-cn.com/problems/valid-parentheses|
|958. 二叉树的完全性检验|12|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|122. 买卖股票的最佳时机 II|12|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|148. 排序链表|12|https://leetcode-cn.com/problems/sort-list|
|48. 旋转图像|12|https://leetcode-cn.com/problems/rotate-image|
|39. 组合总和|12|https://leetcode-cn.com/problems/combination-sum|
|470. 用 Rand7() 实现 Rand10()|12|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|补充题2. 圆环回原点问题|12|https://mp.weixin.qq.com/s/VnGFEWHeD3nh1n9JSDkVUg|
|2. 两数相加|11|https://leetcode-cn.com/problems/add-two-numbers|
|198. 打家劫舍|11|https://leetcode-cn.com/problems/house-robber|
|232. 用栈实现队列|11|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|102. 二叉树的层序遍历|10|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|415. 字符串相加|10|https://leetcode-cn.com/problems/add-strings|
|958. 二叉树的完全性检验|10|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|122. 买卖股票的最佳时机 II|10|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii|
|162. 寻找峰值|10|https://leetcode-cn.com/problems/find-peak-element|
|32. 最长有效括号|10|https://leetcode-cn.com/problems/longest-valid-parentheses|
|142. 环形链表 II|10|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|98. 验证二叉搜索树|10|https://leetcode-cn.com/problems/validate-binary-search-tree|
|300. 最长上升子序列|10|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|102. 二叉树的层序遍历|9|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|2. 两数相加|9|https://leetcode-cn.com/problems/add-two-numbers|
|162. 寻找峰值|9|https://leetcode-cn.com/problems/find-peak-element|
|148. 排序链表|9|https://leetcode-cn.com/problems/sort-list|
|48. 旋转图像|9|https://leetcode-cn.com/problems/rotate-image|
|39. 组合总和|9|https://leetcode-cn.com/problems/combination-sum|
|76. 最小覆盖子串|9|https://leetcode-cn.com/problems/minimum-window-substring|
|232. 用栈实现队列|9|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|88. 合并两个有序数组|8|https://leetcode-cn.com/problems/merge-sorted-array|
|322. 零钱兑换|8|https://leetcode-cn.com/problems/coin-change|
|32. 最长有效括号|8|https://leetcode-cn.com/problems/longest-valid-parentheses|
|5. 最长回文子串|10|https://leetcode-cn.com/problems/longest-palindromic-substring|
|53. 最大子序和|9|https://leetcode-cn.com/problems/maximum-subarray|
|83. 删除排序链表中的重复元素|9|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|88. 合并两个有序数组|9|https://leetcode-cn.com/problems/merge-sorted-array|
|543. 二叉树的直径|9|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|113. 路径总和 II|9|https://leetcode-cn.com/problems/path-sum-ii|
|94. 二叉树的中序遍历|9|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|128. 最长连续序列|8|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|22. 括号生成|8|https://leetcode-cn.com/problems/generate-parentheses|
|24. 两两交换链表中的节点|8|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|470. 用 Rand7() 实现 Rand10()|8|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|198. 打家劫舍|8|https://leetcode-cn.com/problems/house-robber|
|补充题2. 圆环回原点问题|8|https://mp.weixin.qq.com/s/VnGFEWHeD3nh1n9JSDkVUg|
|53. 最大子序和|7|https://leetcode-cn.com/problems/maximum-subarray|
|518. 零钱兑换 II|7|https://leetcode-cn.com/problems/coin-change-2|
|83. 删除排序链表中的重复元素|7|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|543. 二叉树的直径|7|https://leetcode-cn.com/problems/diameter-of-binary-tree|
|739. 每日温度|7|https://leetcode-cn.com/problems/daily-temperatures|
|5. 最长回文子串|7|https://leetcode-cn.com/problems/longest-palindromic-substring|
|79. 单词搜索|7|https://leetcode-cn.com/problems/word-search|
|93. 复原IP地址|8|https://leetcode-cn.com/problems/restore-ip-addresses|
|739. 每日温度|8|https://leetcode-cn.com/problems/daily-temperatures|
|79. 单词搜索|8|https://leetcode-cn.com/problems/word-search|
|补充题4. 手撕快速排序|8|https://leetcode-cn.com/problems/sort-an-array|
|补充题9. 36进制加法|8|https://mp.weixin.qq.com/s/bgD1Q5lc92mX7RNS1L65qA|
|70. 爬楼梯|7|https://leetcode-cn.com/problems/climbing-stairs|
|8. 字符串转换整数 (atoi)|7|https://leetcode-cn.com/problems/string-to-integer-atoi|
|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|
|114. 二叉树展开为链表|7|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|240. 搜索二维矩阵 II|7|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|78. 子集|7|https://leetcode-cn.com/problems/subsets|
|82. 删除排序链表中的重复元素 II|7|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list-ii|
|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|
|22. 括号生成|6|https://leetcode-cn.com/problems/generate-parentheses|
|113. 路径总和 II|6|https://leetcode-cn.com/problems/path-sum-ii|
|221. 最大正方形|6|https://leetcode-cn.com/problems/maximal-square|
|138. 复制带随机指针的链表|6|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|64. 最小路径和|6|https://leetcode-cn.com/problems/minimum-path-sum|
|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|
|114. 二叉树展开为链表|6|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|94. 二叉树的中序遍历|6|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|剑指 Offer 22. 链表中倒数第k个节点|6|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|224. 基本计算器|6|https://leetcode-cn.com/problems/basic-calculator|
|662. 二叉树最大宽度|6|https://leetcode-cn.com/problems/maximum-width-of-binary-tree|
|240. 搜索二维矩阵 II|6|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|226. 翻转二叉树|6|https://leetcode-cn.com/problems/invert-binary-tree|
|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|
|440. 字典序的第K小数字|6|https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order|
|78. 子集|6|https://leetcode-cn.com/problems/subsets|
|补充题4. 手撕快速排序|6|https://leetcode-cn.com/problems/sort-an-array|
|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/o-1VJO2TQZjC5ROmV7CReA|
|70. 爬楼梯|5|https://leetcode-cn.com/problems/climbing-stairs|
|556. 下一个更大元素 III|6|https://leetcode-cn.com/problems/next-greater-element-iii|
|剑指 Offer 54. 二叉搜索树的第k大节点|5|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|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|
|128. 最长连续序列|5|https://leetcode-cn.com/problems/longest-consecutive-sequence|
|112. 路径总和|5|https://leetcode-cn.com/problems/path-sum|
|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|
|695. 岛屿的最大面积|5|https://leetcode-cn.com/problems/max-area-of-island|
|670. 最大交换|5|https://leetcode-cn.com/problems/maximum-swap|
|224. 基本计算器|5|https://leetcode-cn.com/problems/basic-calculator|
|93. 复原IP地址|5|https://leetcode-cn.com/problems/restore-ip-addresses|
|226. 翻转二叉树|5|https://leetcode-cn.com/problems/invert-binary-tree|
|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|
|129. 求根到叶子节点数字之和|5|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|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|
|862. 和至少为 K 的最短子数组|5|https://leetcode-cn.com/problems/shortest-subarray-with-sum-at-least-k|
|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|
|补充题9. 36进制加法|5|https://mp.weixin.qq.com/s/bgD1Q5lc92mX7RNS1L65qA|
|剑指 Offer 54. 二叉搜索树的第k大节点|4|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof|
|230. 二叉搜索树中第K小的元素|4|https://leetcode-cn.com/problems/kth-smallest-element-in-a-bst|
|221. 最大正方形|4|https://leetcode-cn.com/problems/maximal-square|
|560. 和为K的子数组|4|https://leetcode-cn.com/problems/subarray-sum-equals-k|
|209. 长度最小的子数组|5|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|91. 解码方法|5|https://leetcode-cn.com/problems/decode-ways|
|718. 最长重复子数组|5|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|补充题23. 检测循环依赖|5|https://mp.weixin.qq.com/s/q6AhBt6MX2RL_HNZc8cYKQ|
|328. 奇偶链表|4|https://leetcode-cn.com/problems/odd-even-linked-list|
|460. LFU缓存|4|https://leetcode-cn.com/problems/lfu-cache|
|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|
|8. 字符串转换整数 (atoi)|4|https://leetcode-cn.com/problems/string-to-integer-atoi|
|704. 二分查找|4|https://leetcode-cn.com/problems/binary-search|
|61. 旋转链表|4|https://leetcode-cn.com/problems/rotate-list|
|129. 求根到叶子节点数字之和|4|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|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|
|40. 组合总和 II|4|https://leetcode-cn.com/problems/combination-sum-ii|
|135. 分发糖果|4|https://leetcode-cn.com/problems/candy|
|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|
|169. 多数元素|4|https://leetcode-cn.com/problems/majority-element|
|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|
|528. 按权重随机选择|4|https://leetcode-cn.com/problems/random-pick-with-weight|
|11. 盛最多水的容器|4|https://leetcode-cn.com/problems/container-with-most-water|
|239. 滑动窗口最大值|4|https://leetcode-cn.com/problems/sliding-window-maximum|
|1095. 山脉数组中查找目标值|4|https://leetcode-cn.com/problems/find-in-mountain-array|
|59. 螺旋矩阵 II|4|https://leetcode-cn.com/problems/spiral-matrix-ii|
|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/ABNN4lJpvttulwWaUTgYZQ|
|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|
|1143. 最长公共子序列|3|https://leetcode-cn.com/problems/longest-common-subsequence|
|297. 二叉树的序列化与反序列化|3|https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree|
|328. 奇偶链表|3|https://leetcode-cn.com/problems/odd-even-linked-list|
|460. LFU缓存|3|https://leetcode-cn.com/problems/lfu-cache|
|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|
|62. 不同路径|3|https://leetcode-cn.com/problems/unique-paths|
|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|
|188. 买卖股票的最佳时机 IV|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-iv|
|210. 课程表 II|3|https://leetcode-cn.com/problems/course-schedule-ii|
|1047. 删除字符串中的所有相邻重复项|3|https://leetcode-cn.com/problems/remove-all-adjacent-duplicates-in-string|
|402. 移掉K位数字|3|https://leetcode-cn.com/problems/remove-k-digits|
|169. 多数元素|3|https://leetcode-cn.com/problems/majority-element|
|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|4. 寻找两个正序数组的中位数|3|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|209. 长度最小的子数组|3|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|134. 加油站|3|https://leetcode-cn.com/problems/gas-station|
|91. 解码方法|3|https://leetcode-cn.com/problems/decode-ways|
|722. 删除注释|3|https://leetcode-cn.com/problems/remove-comments|
|72. 编辑距离|3|https://leetcode-cn.com/problems/edit-distance|
|329. 矩阵中的最长递增路径|3|https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix|
|59. 螺旋矩阵 II|3|https://leetcode-cn.com/problems/spiral-matrix-ii|
|718. 最长重复子数组|3|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|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|
|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|
|165. 比较版本号|3|https://leetcode-cn.com/problems/compare-version-numbers|
|补充题6. 手撕堆排序|3|https://leetcode-cn.com/problems/sort-an-array|
|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|
|763. 划分字母区间|3|https://leetcode-cn.com/problems/partition-labels|
|354. 俄罗斯套娃信封问题|3|https://leetcode-cn.com/problems/russian-doll-envelopes|
|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|
|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|
|剑指 Offer 61. 扑克牌中的顺子|2|https://leetcode-cn.com/problems/bu-ke-pai-zhong-de-shun-zi-lcof|
|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|
|139. 单词拆分|2|https://leetcode-cn.com/problems/word-break|
|112. 路径总和|2|https://leetcode-cn.com/problems/path-sum|
|503. 下一个更大元素 II|2|https://leetcode-cn.com/problems/next-greater-element-ii|
|283. 移动零|2|https://leetcode-cn.com/problems/move-zeroes|
|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|
|264. 丑数 II|2|https://leetcode-cn.com/problems/ugly-number-ii|
|421. 数组中两个数的最大异或值|2|https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array|
|62. 不同路径|2|https://leetcode-cn.com/problems/unique-paths|
|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|
|523. 连续的子数组和|2|https://leetcode-cn.com/problems/continuous-subarray-sum|
@@ -149,42 +167,49 @@
|394. 字符串解码|2|https://leetcode-cn.com/problems/decode-string|
|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|
|145. 二叉树的后序遍历|2|https://leetcode-cn.com/problems/binary-tree-postorder-traversal|
|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|
|152. 乘积最大子数组|2|https://leetcode-cn.com/problems/maximum-product-subarray|
|50. Pow(x, n)|2|https://leetcode-cn.com/problems/powx-n|
|71. 简化路径|2|https://leetcode-cn.com/problems/simplify-path|
|416. 分割等和子集|2|https://leetcode-cn.com/problems/partition-equal-subset-sum|
|456. 132模式|2|https://leetcode-cn.com/problems/132-pattern|
|340. 至多包含 K 个不同字符的最长子串|2|https://leetcode-cn.com/problems/longest-substring-with-at-most-k-distinct-characters|
|668. 乘法表中第k小的数|2|https://leetcode-cn.com/problems/kth-smallest-number-in-multiplication-table|
|86. 分隔链表|2|https://leetcode-cn.com/problems/partition-list|
|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|
|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|
|239. 滑动窗口最大值|2|https://leetcode-cn.com/problems/sliding-window-maximum|
|722. 删除注释|2|https://leetcode-cn.com/problems/remove-comments|
|468. 验证IP地址|2|https://leetcode-cn.com/problems/validate-ip-address|
|1095. 山脉数组中查找目标值|2|https://leetcode-cn.com/problems/find-in-mountain-array|
|72. 编辑距离|2|https://leetcode-cn.com/problems/edit-distance|
|295. 数据流的中位数|2|https://leetcode-cn.com/problems/find-median-from-data-stream|
|144. 二叉树的前序遍历|2|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|404. 左叶子之和|2|https://leetcode-cn.com/problems/sum-of-left-leaves|
|10. 正则表达式匹配|2|https://leetcode-cn.com/problems/regular-expression-matching|
|84. 柱状图中最大的矩形|2|https://leetcode-cn.com/problems/largest-rectangle-in-histogram|
|136. 只出现一次的数字|2|https://leetcode-cn.com/problems/single-number|
|43. 字符串相乘|2|https://leetcode-cn.com/problems/multiply-strings|
|974. 和可被 K 整除的子数组|2|https://leetcode-cn.com/problems/subarray-sums-divisible-by-k|
|18. 四数之和|2|https://leetcode-cn.com/problems/4sum|
|剑指 Offer 27. 二叉树的镜像|2|https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof|
|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|
|225. 用队列实现栈|2|https://leetcode-cn.com/problems/implement-stack-using-queues|
|647. 回文子串|2|https://leetcode-cn.com/problems/palindromic-substrings|
|60. 第k个排列|2|https://leetcode-cn.com/problems/permutation-sequence|
|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|
|165. 比较版本号|2|https://leetcode-cn.com/problems/compare-version-numbers|
|补充题10. 36进制减法|2||
|补充题10. 36进制减法|2|https://mp.weixin.qq.com/s/_A2Ctn3kDa21NPlpF9y-hg|
|补充题5. 手撕归并排序|2|https://leetcode-cn.com/problems/sort-an-array|
|556. 下一个更大元素 III|2|https://leetcode-cn.com/problems/next-greater-element-iii|
|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||
|227. 基本计算器 II|2|https://leetcode-cn.com/problems/basic-calculator-ii|
|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|
|106. 从中序与后序遍历序列构造二叉树|2|https://leetcode-cn.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal|
|7. 整数反转|2|https://leetcode-cn.com/problems/reverse-integer|
|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|
|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|
@@ -197,7 +222,6 @@
|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|
|166. 分数到小数|1|https://leetcode-cn.com/problems/fraction-to-recurring-decimal|
|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|
@@ -215,23 +239,18 @@
|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|
|895. 最大频率栈|1|https://leetcode-cn.com/problems/maximum-frequency-stack|
|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|
|152. 乘积最大子数组|1|https://leetcode-cn.com/problems/maximum-product-subarray|
|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|
|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|
|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|
|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|
|295. 数据流的中位数|1|https://leetcode-cn.com/problems/find-median-from-data-stream|
|204. 计数质数|1|https://leetcode-cn.com/problems/count-primes|
|144. 二叉树的前序遍历|1|https://leetcode-cn.com/problems/binary-tree-preorder-traversal|
|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|
@@ -242,30 +261,21 @@
|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|
|136. 只出现一次的数字|1|https://leetcode-cn.com/problems/single-number|
|43. 字符串相乘|1|https://leetcode-cn.com/problems/multiply-strings|
|14. 最长公共前缀|1|https://leetcode-cn.com/problems/longest-common-prefix|
|922. 按奇偶排序数组 II|1|https://leetcode-cn.com/problems/sort-array-by-parity-ii|
|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|
|60. 第k个排列|1|https://leetcode-cn.com/problems/permutation-sequence|
|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|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|1302. 层数最深叶子节点的和|1|https://leetcode-cn.com/problems/deepest-leaves-sum|
|189. 旋转数组|1|https://leetcode-cn.com/problems/rotate-array|
|74. 搜索二维矩阵|1|https://leetcode-cn.com/problems/search-a-2d-matrix|
|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|
|补充题14. 阿拉伯数字转中文数字|1||
|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|
|887. 鸡蛋掉落|1|https://leetcode-cn.com/problems/super-egg-drop|
|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|
@@ -274,11 +284,31 @@
|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|
|498. 对角线遍历|1|https://leetcode-cn.com/problems/diagonal-traverse|
|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|
|763. 划分字母区间|1|https://leetcode-cn.com/problems/partition-labels|
|253. 会议室 II|1|https://leetcode-cn.com/problems/meeting-rooms-ii|
|253. 会议室 II|1|https://leetcode-cn.com/problems/meeting-rooms-ii|
|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|
|47. 全排列 II|1|https://leetcode-cn.com/problems/permutations-ii|
|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|
|85. 最大矩形|1|https://leetcode-cn.com/problems/maximal-rectangle|
|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|
|81. 搜索旋转排序数组 II|1|https://leetcode-cn.com/problems/search-in-rotated-sorted-array-ii|
|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|
|44. 通配符匹配|1|https://leetcode-cn.com/problems/wildcard-matching|
|949. 给定数字能组成的最大时间|1|https://leetcode-cn.com/problems/largest-time-for-given-digits|
|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 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|

114
bytedance/client.md
View File

@@ -1,77 +1,85 @@
# 客户端
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|19|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|17|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|206. 反转链表|16|https://leetcode-cn.com/problems/reverse-linked-list|
|53. 最大子序和|14|https://leetcode-cn.com/problems/maximum-subarray|
|215. 数组中的第K个最大元素|13|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|146. LRU缓存机制|13|https://leetcode-cn.com/problems/lru-cache|
|15. 三数之和|11|https://leetcode-cn.com/problems/3sum|
|3. 无重复字符的最长子串|9|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|21. 合并两个有序链表|9|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|1. 两数之和|9|https://leetcode-cn.com/problems/two-sum|
|236. 二叉树的最近公共祖先|8|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
|215. 数组中的第K个最大元素|16|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|53. 最大子序和|15|https://leetcode-cn.com/problems/maximum-subarray|
|146. LRU缓存机制|14|https://leetcode-cn.com/problems/lru-cache|
|3. 无重复字符的最长子串|12|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|15. 三数之和|12|https://leetcode-cn.com/problems/3sum|
|1. 两数之和|12|https://leetcode-cn.com/problems/two-sum|
|21. 合并两个有序链表|10|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|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|
|121. 买卖股票的最佳时机|9|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|958. 二叉树的完全性检验|9|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|113. 路径总和 II|9|https://leetcode-cn.com/problems/path-sum-ii|
|102. 二叉树的层序遍历|9|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|199. 二叉树的右视图|8|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|113. 路径总和 II|8|https://leetcode-cn.com/problems/path-sum-ii|
|121. 买卖股票的最佳时机|7|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|958. 二叉树的完全性检验|7|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|102. 二叉树的层序遍历|7|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|105. 从前序与中序遍历序列构造二叉树|8|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|54. 螺旋矩阵|8|https://leetcode-cn.com/problems/spiral-matrix|
|232. 用栈实现队列|7|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|56. 合并区间|7|https://leetcode-cn.com/problems/merge-intervals|
|101. 对称二叉树|7|https://leetcode-cn.com/problems/symmetric-tree|
|232. 用栈实现队列|6|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|415. 字符串相加|7|https://leetcode-cn.com/problems/add-strings|
|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|
|41. 缺失的第一个正数|6|https://leetcode-cn.com/problems/first-missing-positive|
|112. 路径总和|6|https://leetcode-cn.com/problems/path-sum|
|142. 环形链表 II|6|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|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|
|剑指 Offer 09. 用两个栈实现队列|6|https://leetcode-cn.com/problems/yong-liang-ge-zhan-shi-xian-dui-lie-lcof|
|104. 二叉树的最大深度|6|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|54. 螺旋矩阵|6|https://leetcode-cn.com/problems/spiral-matrix|
|415. 字符串相加|6|https://leetcode-cn.com/problems/add-strings|
|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|
|34. 在排序数组中查找元素的第一个和最后一个位置|6|https://leetcode-cn.com/problems/find-first-and-last-position-of-element-in-sorted-array|
|41. 缺失的第一个正数|5|https://leetcode-cn.com/problems/first-missing-positive|
|151. 翻转字符串里的单词|5|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|112. 路径总和|5|https://leetcode-cn.com/problems/path-sum|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|142. 环形链表 II|5|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|103. 二叉树的锯齿形层次遍历|5|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|200. 岛屿数量|5|https://leetcode-cn.com/problems/number-of-islands|
|105. 从前序与中序遍历序列构造二叉树|5|https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal|
|56. 合并区间|5|https://leetcode-cn.com/problems/merge-intervals|
|2. 两数相加|5|https://leetcode-cn.com/problems/add-two-numbers|
|42. 接雨水|5|https://leetcode-cn.com/problems/trapping-rain-water|
|4. 寻找两个正序数组的中位数|5|https://leetcode-cn.com/problems/median-of-two-sorted-arrays|
|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|
|165. 比较版本号|5|https://leetcode-cn.com/problems/compare-version-numbers|
|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|
|94. 二叉树的中序遍历|4|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|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|
|460. LFU缓存|4|https://leetcode-cn.com/problems/lfu-cache|
|394. 字符串解码|4|https://leetcode-cn.com/problems/decode-string|
|69. x 的平方根|4|https://leetcode-cn.com/problems/sqrtx|
|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
|189. 旋转数组|4|https://leetcode-cn.com/problems/rotate-array|
|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|
|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|
|165. 比较版本号|4|https://leetcode-cn.com/problems/compare-version-numbers|
|19. 删除链表的倒数第N个节点|4|https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list|
|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|
|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|
|300. 最长上升子序列|3|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|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|
|136. 只出现一次的数字|3|https://leetcode-cn.com/problems/single-number|
|剑指 Offer 36. 二叉搜索树与双向链表|3|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-yu-shuang-xiang-lian-biao-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|
|162. 寻找峰值|3|https://leetcode-cn.com/problems/find-peak-element|
|46. 全排列|3|https://leetcode-cn.com/problems/permutations|
|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|
|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|
|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|
|24. 两两交换链表中的节点|3|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|补充题9. 36进制加法|3|https://mp.weixin.qq.com/s/bgD1Q5lc92mX7RNS1L65qA|
|剑指 Offer 33. 二叉搜索树的后序遍历序列|3|https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-hou-xu-bian-li-xu-lie-lcof|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|补充题4. 手撕快速排序|3|https://leetcode-cn.com/problems/sort-an-array|
|补充题1. 排序奇升偶降链表|3|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|剑指 Offer 38. 字符串的排列|3|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|518. 零钱兑换 II|2|https://leetcode-cn.com/problems/coin-change-2|
|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|
|33. 搜索旋转排序数组|2|https://leetcode-cn.com/problems/search-in-rotated-sorted-array|
|226. 翻转二叉树|2|https://leetcode-cn.com/problems/invert-binary-tree|
|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|
|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|
|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|
@@ -87,21 +95,24 @@
|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|
|16. 最接近的三数之和|2|https://leetcode-cn.com/problems/3sum-closest|
|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
|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|
|443. 压缩字符串|2|https://leetcode-cn.com/problems/string-compression|
|1143. 最长公共子序列|2|https://leetcode-cn.com/problems/longest-common-subsequence|
|75. 颜色分类|2|https://leetcode-cn.com/problems/sort-colors|
|32. 最长有效括号|2|https://leetcode-cn.com/problems/longest-valid-parentheses|
|315. 计算右侧小于当前元素的个数|2|https://leetcode-cn.com/problems/count-of-smaller-numbers-after-self|
|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|
|129. 求根到叶子节点数字之和|2|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|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|
|补充题4. 手撕快速排序|2|https://leetcode-cn.com/problems/sort-an-array|
|76. 最小覆盖子串|2|https://leetcode-cn.com/problems/minimum-window-substring|
|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|
|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|
@@ -114,7 +125,6 @@
|328. 奇偶链表|1|https://leetcode-cn.com/problems/odd-even-linked-list|
|61. 旋转链表|1|https://leetcode-cn.com/problems/rotate-list|
|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|
|55. 跳跃游戏|1|https://leetcode-cn.com/problems/jump-game|
|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|
@@ -135,14 +145,9 @@
|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|
|面试题 01.06. 字符串压缩|1|https://leetcode-cn.com/problems/compress-string-lcci|
|77. 组合|1|https://leetcode-cn.com/problems/combinations|
|24. 两两交换链表中的节点|1|https://leetcode-cn.com/problems/swap-nodes-in-pairs|
|32. 最长有效括号|1|https://leetcode-cn.com/problems/longest-valid-parentheses|
|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|
|93. 复原IP地址|1|https://leetcode-cn.com/problems/restore-ip-addresses|
|260. 只出现一次的数字 III|1|https://leetcode-cn.com/problems/single-number-iii|
|120. 三角形最小路径和|1|https://leetcode-cn.com/problems/triangle|
|8. 字符串转换整数 (atoi)|1|https://leetcode-cn.com/problems/string-to-integer-atoi|
|26. 删除排序数组中的重复项|1|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
@@ -155,8 +160,17 @@
|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|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|221. 最大正方形|1|https://leetcode-cn.com/problems/maximal-square|
|补充题1. 排序奇升偶降链表|1|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|617. 合并二叉树|1|https://leetcode-cn.com/problems/merge-two-binary-trees|
|470. 用 Rand7() 实现 Rand10()|1|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|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|
|114. 二叉树展开为链表|1|https://leetcode-cn.com/problems/flatten-binary-tree-to-linked-list|
|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/q6AhBt6MX2RL_HNZc8cYKQ|
|351. 安卓系统手势解锁|1|https://leetcode-cn.com/problems/android-unlock-patterns|

39
bytedance/data.md
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@@ -1,48 +1,53 @@
# 数据研发
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|
|-|-|-|
|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|
|232. 用栈实现队列|3|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|200. 岛屿数量|2|https://leetcode-cn.com/problems/number-of-islands|
|64. 最小路径和|2|https://leetcode-cn.com/problems/minimum-path-sum|
|补充题1. 排序奇升偶降链表|2|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|98. 验证二叉搜索树|2|https://leetcode-cn.com/problems/validate-binary-search-tree|
|121. 买卖股票的最佳时机|2|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|53. 最大子序和|2|https://leetcode-cn.com/problems/maximum-subarray|
|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|
|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|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|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 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|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|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|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|113. 路径总和 II|1|https://leetcode-cn.com/problems/path-sum-ii|
|146. LRU缓存机制|1|https://leetcode-cn.com/problems/lru-cache|
|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|
|补充题6. 手撕堆排序|1|https://leetcode-cn.com/problems/sort-an-array|
|94. 二叉树的中序遍历|1|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|141. 环形链表|1|https://leetcode-cn.com/problems/linked-list-cycle|
|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|
|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|
|704. 二分查找|1|https://leetcode-cn.com/problems/binary-search|
|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|
|69. x 的平方根|1|https://leetcode-cn.com/problems/sqrtx|
|148. 排序链表|1|https://leetcode-cn.com/problems/sort-list|
|142. 环形链表 II|1|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|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||
|206. 反转链表|1|https://leetcode-cn.com/problems/reverse-linked-list|
|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|
|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|
|101. 对称二叉树|1|https://leetcode-cn.com/problems/symmetric-tree|
|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|
|143. 重排链表|1|https://leetcode-cn.com/problems/reorder-list|
|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|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|138. 复制带随机指针的链表|1|https://leetcode-cn.com/problems/copy-list-with-random-pointer|
|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|
|1201. 丑数 III|1|https://leetcode-cn.com/problems/ugly-number-iii|

134
bytedance/frontend.md
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@@ -1,79 +1,68 @@
# 前端
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|
|-|-|-|
|88. 合并两个有序数组|14|https://leetcode-cn.com/problems/merge-sorted-array|
|3. 无重复字符的最长子串|13|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|88. 合并两个有序数组|16|https://leetcode-cn.com/problems/merge-sorted-array|
|3. 无重复字符的最长子串|16|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|129. 求根到叶子节点数字之和|12|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|53. 最大子序和|12|https://leetcode-cn.com/problems/maximum-subarray|
|215. 数组中的第K个最大元素|10|https://leetcode-cn.com/problems/kth-largest-element-in-an-array|
|112. 路径总和|9|https://leetcode-cn.com/problems/path-sum|
|1. 两数之和|8|https://leetcode-cn.com/problems/two-sum|
|112. 路径总和|10|https://leetcode-cn.com/problems/path-sum|
|1. 两数之和|10|https://leetcode-cn.com/problems/two-sum|
|165. 比较版本号|9|https://leetcode-cn.com/problems/compare-version-numbers|
|209. 长度最小的子数组|8|https://leetcode-cn.com/problems/minimum-size-subarray-sum|
|53. 最大子序和|8|https://leetcode-cn.com/problems/maximum-subarray|
|129. 求根到叶子节点数字之和|7|https://leetcode-cn.com/problems/sum-root-to-leaf-numbers|
|165. 比较版本号|7|https://leetcode-cn.com/problems/compare-version-numbers|
|415. 字符串相加|6|https://leetcode-cn.com/problems/add-strings|
|415. 字符串相加|8|https://leetcode-cn.com/problems/add-strings|
|剑指 Offer 22. 链表中倒数第k个节点|7|https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof|
|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|
|93. 复原IP地址|5|https://leetcode-cn.com/problems/restore-ip-addresses|
|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|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|102. 二叉树的层序遍历|5|https://leetcode-cn.com/problems/binary-tree-level-order-traversal|
|200. 岛屿数量|5|https://leetcode-cn.com/problems/number-of-islands|
|70. 爬楼梯|5|https://leetcode-cn.com/problems/climbing-stairs|
|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|
|46. 全排列|4|https://leetcode-cn.com/problems/permutations|
|160. 相交链表|4|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|62. 不同路径|4|https://leetcode-cn.com/problems/unique-paths|
|695. 岛屿的最大面积|4|https://leetcode-cn.com/problems/max-area-of-island|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|46. 全排列|5|https://leetcode-cn.com/problems/permutations|
|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|
|15. 三数之和|4|https://leetcode-cn.com/problems/3sum|
|54. 螺旋矩阵|4|https://leetcode-cn.com/problems/spiral-matrix|
|718. 最长重复子数组|4|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|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|
|206. 反转链表|3|https://leetcode-cn.com/problems/reverse-linked-list|
|15. 三数之和|3|https://leetcode-cn.com/problems/3sum|
|113. 路径总和 II|3|https://leetcode-cn.com/problems/path-sum-ii|
|54. 螺旋矩阵|3|https://leetcode-cn.com/problems/spiral-matrix|
|70. 爬楼梯|3|https://leetcode-cn.com/problems/climbing-stairs|
|509. 斐波那契数|3|https://leetcode-cn.com/problems/fibonacci-number|
|200. 岛屿数量|3|https://leetcode-cn.com/problems/number-of-islands|
|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|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|
|94. 二叉树的中序遍历|3|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|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|
|199. 二叉树的右视图|2|https://leetcode-cn.com/problems/binary-tree-right-side-view|
|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/ABNN4lJpvttulwWaUTgYZQ|
|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|
|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|
|429. N叉树的层序遍历|2|https://leetcode-cn.com/problems/n-ary-tree-level-order-traversal|
|56. 合并区间|2|https://leetcode-cn.com/problems/merge-intervals|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|104. 二叉树的最大深度|3|https://leetcode-cn.com/problems/maximum-depth-of-binary-tree|
|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|
|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|
|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|
|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|
|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|剑指 Offer 24. 反转链表|2|https://leetcode-cn.com/problems/fan-zhuan-lian-biao-lcof|
|349. 两个数组的交集|2|https://leetcode-cn.com/problems/intersection-of-two-arrays|
|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|
|20. 有效的括号|2|https://leetcode-cn.com/problems/valid-parentheses|
|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|169. 多数元素|2|https://leetcode-cn.com/problems/majority-element|
|394. 字符串解码|2|https://leetcode-cn.com/problems/decode-string|
|剑指 Offer 38. 字符串的排列|1|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|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|
|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|
|232. 用栈实现队列|1|https://leetcode-cn.com/problems/implement-queue-using-stacks|
|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|
|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/ABNN4lJpvttulwWaUTgYZQ|
|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|
|剑指 Offer 38. 字符串的排列|2|https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof|
|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|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|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|
|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|
|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|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|剑指 Offer 10- I. 斐波那契数列|1|https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof|
|LCP 04. 覆盖|1|https://leetcode-cn.com/problems/broken-board-dominoes|
|717. 1比特与2比特字符|1|https://leetcode-cn.com/problems/1-bit-and-2-bit-characters|
|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|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|96. 不同的二叉搜索树|1|https://leetcode-cn.com/problems/unique-binary-search-trees|
|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|
|680. 验证回文字符串 Ⅱ|1|https://leetcode-cn.com/problems/valid-palindrome-ii|
|322. 零钱兑换|1|https://leetcode-cn.com/problems/coin-change|
|124. 二叉树中的最大路径和|1|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|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|
|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|
@@ -83,7 +72,7 @@
|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|
|257. 二叉树的所有路径|1|https://leetcode-cn.com/problems/binary-tree-paths|
|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|
@@ -96,4 +85,29 @@
|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|
|31. 下一个排列|1|https://leetcode-cn.com/problems/next-permutation|
|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|
|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|
|300. 最长上升子序列|1|https://leetcode-cn.com/problems/longest-increasing-subsequence|
|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|
|补充题14. 阿拉伯数字转中文数字|1||
|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|

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# 字节跳动最新涉及的leetcode题目
本次统计了3.1日~4.6日的289篇面经。
最近我开发了一个简易版网站https://codetop.cc/
网站比静态的markdown更方便大家按公司/部门/岗位查询题目
欢迎大家前来体验❤️
| 题目 | 出现次数 | 链接 |
|------------------------------|------|-------------------------------------------------------------------------------------------------------------|
| 25. K 个一组翻转链表 | 15 | https://leetcode-cn.com/problems/reverse-nodes-in-k-group |
| 215. 数组中的第K个最大元素 | 15 | https://leetcode-cn.com/problems/kth-largest-element-in-an-array |
| 3. 无重复字符的最长子串 | 14 | https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
| 103. 二叉树的锯齿形层次遍历 | 13 | https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal |
| 160. 相交链表 | 12 | https://leetcode-cn.com/problems/intersection-of-two-linked-lists |
| 56. 合并区间 | 10 | https://leetcode-cn.com/problems/merge-intervals |
| 88. 合并两个有序数组 | 9 | https://leetcode-cn.com/problems/merge-sorted-array |
| 206. 反转链表 | 8 | https://leetcode-cn.com/problems/reverse-linked-list |
| 200. 岛屿数量 | 8 | https://leetcode-cn.com/problems/number-of-islands |
| 5. 最长回文子串 | 8 | https://leetcode-cn.com/problems/longest-palindromic-substring |
| 1. 两数之和 | 8 | https://leetcode-cn.com/problems/two-sum |
| 300. 最长上升子序列 | 7 | https://leetcode-cn.com/problems/longest-increasing-subsequence |
| 15. 三数之和 | 7 | https://leetcode-cn.com/problems/3sum |
| 剑指 Offer 22. 链表中倒数第k个节点 | 7 | https://leetcode-cn.com/problems/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof |
| 21. 合并两个有序链表 | 7 | https://leetcode-cn.com/problems/merge-two-sorted-lists |
| 补充题4. 手撕快速排序 | 7 | https://leetcode-cn.com/problems/undefined |
| 121. 买卖股票的最佳时机 | 6 | https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock |
| 83. 删除排序链表中的重复元素 | 6 | https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list |
| 141. 环形链表 | 6 | https://leetcode-cn.com/problems/linked-list-cycle |
| 33. 搜索旋转排序数组 | 6 | https://leetcode-cn.com/problems/search-in-rotated-sorted-array |
| 112. 路径总和 | 6 | https://leetcode-cn.com/problems/path-sum |
| 958. 二叉树的完全性检验 | 5 | https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree |
| 101. 对称二叉树 | 5 | https://leetcode-cn.com/problems/symmetric-tree |
| 补充题1. 排序奇升偶降链表 | 5 | https://leetcode-cn.com/problems/undefined |
| 146. LRU缓存机制 | 5 | https://leetcode-cn.com/problems/lru-cache |
| 54. 螺旋矩阵 | 5 | https://leetcode-cn.com/problems/spiral-matrix |
| 142. 环形链表 II | 5 | https://leetcode-cn.com/problems/linked-list-cycle-ii |
| 94. 二叉树的中序遍历 | 5 | https://leetcode-cn.com/problems/binary-tree-inorder-traversal |
| 23. 合并K个排序链表 | 5 | https://leetcode-cn.com/problems/merge-k-sorted-lists |
| 102. 二叉树的层序遍历 | 5 | https://leetcode-cn.com/problems/binary-tree-level-order-traversal |
| 470. 用 Rand7() 实现 Rand10() | 5 | https://leetcode-cn.com/problems/implement-rand10-using-rand7 |
| 124. 二叉树中的最大路径和 | 5 | https://leetcode-cn.com/problems/binary-tree-maximum-path-sum |
| 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 |
| 236. 二叉树的最近公共祖先 | 5 | https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree |
| 70. 爬楼梯 | 4 | https://leetcode-cn.com/problems/climbing-stairs |
| 169. 多数元素 | 4 | https://leetcode-cn.com/problems/majority-element |
| 143. 重排链表 | 4 | https://leetcode-cn.com/problems/reorder-list |
| 240. 搜索二维矩阵 II | 4 | https://leetcode-cn.com/problems/search-a-2d-matrix-ii |
| 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 |
| 165. 比较版本号 | 4 | https://leetcode-cn.com/problems/compare-version-numbers |
| 232. 用栈实现队列 | 4 | https://leetcode-cn.com/problems/implement-queue-using-stacks |
| 22. 括号生成 | 4 | https://leetcode-cn.com/problems/generate-parentheses |
| 92. 反转链表 II | 4 | https://leetcode-cn.com/problems/reverse-linked-list-ii |
| 98. 验证二叉搜索树 | 4 | https://leetcode-cn.com/problems/validate-binary-search-tree |
| 46. 全排列 | 4 | https://leetcode-cn.com/problems/permutations |
| 718. 最长重复子数组 | 4 | https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray |
| 69. x 的平方根 | 4 | https://leetcode-cn.com/problems/sqrtx |
| 122. 买卖股票的最佳时机 II | 3 | https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii |
| 39. 组合总和 | 3 | https://leetcode-cn.com/problems/combination-sum |
| 113. 路径总和 II | 3 | https://leetcode-cn.com/problems/path-sum-ii |
| 32. 最长有效括号 | 3 | https://leetcode-cn.com/problems/longest-valid-parentheses |
| 224. 基本计算器 | 3 | https://leetcode-cn.com/problems/basic-calculator |
| 226. 翻转二叉树 | 3 | https://leetcode-cn.com/problems/invert-binary-tree |
| 20. 有效的括号 | 3 | https://leetcode-cn.com/problems/valid-parentheses |
| 53. 最大子序和 | 3 | https://leetcode-cn.com/problems/maximum-subarray |
| 64. 最小路径和 | 3 | https://leetcode-cn.com/problems/minimum-path-sum |
| 42. 接雨水 | 3 | https://leetcode-cn.com/problems/trapping-rain-water |
| 199. 二叉树的右视图 | 3 | https://leetcode-cn.com/problems/binary-tree-right-side-view |
| 补充题9. 36进制加法 | 3 | https://leetcode-cn.com/problems/undefined |
| 72. 编辑距离 | 3 | https://leetcode-cn.com/problems/edit-distance |
| 138. 复制带随机指针的链表 | 3 | https://leetcode-cn.com/problems/copy-list-with-random-pointer |
| 415. 字符串相加 | 3 | https://leetcode-cn.com/problems/add-strings |
| 227. 基本计算器 II | 3 | https://leetcode-cn.com/problems/basic-calculator-ii |
| 129. 求根到叶子节点数字之和 | 3 | https://leetcode-cn.com/problems/sum-root-to-leaf-numbers |
| 补充题2. 圆环回原点问题 | 3 | https://leetcode-cn.com/problems/undefined |
| 75. 颜色分类 | 2 | https://leetcode-cn.com/problems/sort-colors |
| 41. 缺失的第一个正数 | 2 | https://leetcode-cn.com/problems/first-missing-positive |
| 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 |
| 26. 删除排序数组中的重复项 | 2 | https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array |
| 76. 最小覆盖子串 | 2 | https://leetcode-cn.com/problems/minimum-window-substring |
| 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 |
| 225. 用队列实现栈 | 2 | https://leetcode-cn.com/problems/implement-stack-using-queues |
| 647. 回文子串 | 2 | https://leetcode-cn.com/problems/palindromic-substrings |
| 剑指 Offer 27. 二叉树的镜像 | 2 | https://leetcode-cn.com/problems/er-cha-shu-de-jing-xiang-lcof |
| 4. 寻找两个正序数组的中位数 | 2 | https://leetcode-cn.com/problems/median-of-two-sorted-arrays |
| 209. 长度最小的子数组 | 2 | https://leetcode-cn.com/problems/minimum-size-subarray-sum |
| 剑指 Offer 54. 二叉搜索树的第k大节点 | 2 | https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof |
| 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 |
| 剑指 Offer 10- I. 斐波那契数列 | 2 | https://leetcode-cn.com/problems/fei-bo-na-qi-shu-lie-lcof |
| 125. 验证回文串 | 2 | https://leetcode-cn.com/problems/valid-palindrome |
| 680. 验证回文字符串 Ⅱ | 2 | https://leetcode-cn.com/problems/valid-palindrome-ii |
| 110. 平衡二叉树 | 2 | https://leetcode-cn.com/problems/balanced-binary-tree |
| 补充题5. 手撕归并排序 | 2 | https://leetcode-cn.com/problems/undefined |
| 148. 排序链表 | 2 | https://leetcode-cn.com/problems/sort-list |
| 151. 翻转字符串里的单词 | 2 | https://leetcode-cn.com/problems/reverse-words-in-a-string |
| 108. 将有序数组转换为二叉搜索树 | 2 | https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree |
| 补充题6. 手撕堆排序 | 2 | https://leetcode-cn.com/problems/undefined |
| 862. 和至少为 K 的最短子数组 | 2 | https://leetcode-cn.com/problems/shortest-subarray-with-sum-at-least-k |
| 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 |
| 8. 字符串转换整数 (atoi) | 2 | https://leetcode-cn.com/problems/string-to-integer-atoi |
| 2. 两数相加 | 2 | https://leetcode-cn.com/problems/add-two-numbers |
| 补充题14. 阿拉伯数字转中文数字 | 2 | https://leetcode-cn.com/problems/undefined |
| 48. 旋转图像 | 2 | https://leetcode-cn.com/problems/rotate-image |
| 155. 最小栈 | 2 | https://leetcode-cn.com/problems/min-stack |
| 61. 旋转链表 | 2 | https://leetcode-cn.com/problems/rotate-list |
| 468. 验证IP地址 | 2 | https://leetcode-cn.com/problems/validate-ip-address |
| 297. 二叉树的序列化与反序列化 | 2 | https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree |
| 补充题3. 求区间最小数乘区间和的最大值 | 2 | https://leetcode-cn.com/problems/undefined |
| 349. 两个数组的交集 | 2 | https://leetcode-cn.com/problems/intersection-of-two-arrays |
| 695. 岛屿的最大面积 | 2 | https://leetcode-cn.com/problems/max-area-of-island |
| 11. 盛最多水的容器 | 2 | https://leetcode-cn.com/problems/container-with-most-water |
| 739. 每日温度 | 2 | https://leetcode-cn.com/problems/daily-temperatures |
| 78. 子集 | 2 | https://leetcode-cn.com/problems/subsets |
| 23. 合并K个升序链表 | 2 | https://leetcode-cn.com/problems/merge-k-sorted-lists |
| 287. 寻找重复数 | 1 | https://leetcode-cn.com/problems/find-the-duplicate-number |
| 572. 另一个树的子树 | 1 | https://leetcode-cn.com/problems/subtree-of-another-tree |
| 977. 有序数组的平方 | 1 | https://leetcode-cn.com/problems/squares-of-a-sorted-array |
| 974. 和可被 K 整除的子数组 | 1 | https://leetcode-cn.com/problems/subarray-sums-divisible-by-k |
| 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 |
| 59. 螺旋矩阵 II | 1 | https://leetcode-cn.com/problems/spiral-matrix-ii |
| 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 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 |
| 836. 矩形重叠 | 1 | https://leetcode-cn.com/problems/rectangle-overlap |
| 91. 解码方法 | 1 | https://leetcode-cn.com/problems/decode-ways |
| 179. 最大数 | 1 | https://leetcode-cn.com/problems/largest-number |
| 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 |
| 剑指 Offer 46. 把数字翻译成字符串 | 1 | https://leetcode-cn.com/problems/ba-shu-zi-fan-yi-cheng-zi-fu-chuan-lcof |
| 60. 排列序列 | 1 | https://leetcode-cn.com/problems/permutation-sequence |
| 104. 二叉树的最大深度 | 1 | https://leetcode-cn.com/problems/maximum-depth-of-binary-tree |
| 面试题 17.24. 最大子矩阵 | 1 | https://leetcode-cn.com/problems/max-submatrix-lcci |
| 547. 省份数量（原朋友圈） | 1 | https://leetcode-cn.com/problems/friend-circles |
| 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10. 36进制减法 | 1 | https://leetcode-cn.com/problems/undefined |
| 198. 打家劫舍 | 1 | https://leetcode-cn.com/problems/house-robber |
| 543. 二叉树的直径 | 1 | https://leetcode-cn.com/problems/diameter-of-binary-tree |
| 460. LFU缓存 | 1 | https://leetcode-cn.com/problems/lfu-cache |
| 1302. 层数最深叶子节点的和 | 1 | https://leetcode-cn.com/problems/deepest-leaves-sum |
| 189. 旋转数组 | 1 | https://leetcode-cn.com/problems/rotate-array |
| 361. 轰炸敌人 | 1 | https://leetcode-cn.com/problems/bomb-enemy |
| 704. 二分查找 | 1 | https://leetcode-cn.com/problems/binary-search |
| 127. 单词接龙 | 1 | https://leetcode-cn.com/problems/word-ladder |
| 96. 不同的二叉搜索树 | 1 | https://leetcode-cn.com/problems/unique-binary-search-trees |
| 16. 最接近的三数之和 | 1 | https://leetcode-cn.com/problems/3sum-closest |
| 10. 正则表达式匹配 | 1 | https://leetcode-cn.com/problems/regular-expression-matching |
| 120. 三角形最小路径和 | 1 | https://leetcode-cn.com/problems/triangle |
| 239. 滑动窗口最大值 | 1 | https://leetcode-cn.com/problems/sliding-window-maximum |
| 129. 求根节点到叶节点数字之和 | 1 | https://leetcode-cn.com/problems/sum-root-to-leaf-numbers |
| 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 |
| 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 |
| 670. 最大交换 | 1 | https://leetcode-cn.com/problems/maximum-swap |
| 93. 复原IP地址 | 1 | https://leetcode-cn.com/problems/restore-ip-addresses |
| 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 |
| 14. 最长公共前缀 | 1 | https://leetcode-cn.com/problems/longest-common-prefix |
| 429. N 叉树的层序遍历 | 1 | https://leetcode-cn.com/problems/n-ary-tree-level-order-traversal |
| 93. 复原 IP 地址 | 1 | https://leetcode-cn.com/problems/restore-ip-addresses |
| 136. 只出现一次的数字 | 1 | https://leetcode-cn.com/problems/single-number |
| 394. 字符串解码 | 1 | https://leetcode-cn.com/problems/decode-string |
| 18. 四数之和 | 1 | https://leetcode-cn.com/problems/4sum |
| 329. 矩阵中的最长递增路径 | 1 | https://leetcode-cn.com/problems/longest-increasing-path-in-a-matrix |
| 191. 位1的个数 | 1 | https://leetcode-cn.com/problems/number-of-1-bits |
| 887. 鸡蛋掉落 | 1 | https://leetcode-cn.com/problems/super-egg-drop |
| 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 |
| 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 |
| 611. 有效三角形的个数 | 1 | https://leetcode-cn.com/problems/valid-triangle-number |
| 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 |
| 62. 不同路径 | 1 | https://leetcode-cn.com/problems/unique-paths |
| 322. 零钱兑换 | 1 | https://leetcode-cn.com/problems/coin-change |
| 31. 下一个排列 | 1 | https://leetcode-cn.com/problems/next-permutation |
| 765. 情侣牵手 | 1 | https://leetcode-cn.com/problems/couples-holding-hands |
| 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 |
| 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 |
| 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 |
| 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 |
| 498. 对角线遍历 | 1 | https://leetcode-cn.com/problems/diagonal-traverse |
| 剑指 Offer 38. 字符串的排列 | 1 | https://leetcode-cn.com/problems/zi-fu-chuan-de-pai-lie-lcof |
| 103. 二叉树的锯齿形层序遍历 | 1 | https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal |
| 402. 移掉K位数字 | 1 | https://leetcode-cn.com/problems/remove-k-digits |
| 334. 递增的三元子序列 | 1 | https://leetcode-cn.com/problems/increasing-triplet-subsequence |
| 19. 删除链表的倒数第 N 个结点 | 1 | https://leetcode-cn.com/problems/remove-nth-node-from-end-of-list |
| 429. N叉树的层序遍历 | 1 | https://leetcode-cn.com/problems/n-ary-tree-level-order-traversal |
| 213. 打家劫舍 II | 1 | https://leetcode-cn.com/problems/house-robber-ii |
| 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 |
| 347. 前 K 个高频元素 | 1 | https://leetcode-cn.com/problems/top-k-frequent-elements |
| 416. 分割等和子集 | 1 | https://leetcode-cn.com/problems/partition-equal-subset-sum |
| 207. 课程表 | 1 | https://leetcode-cn.com/problems/course-schedule |
| 871. 最低加油次数 | 1 | https://leetcode-cn.com/problems/minimum-number-of-refueling-stops |
| 763. 划分字母区间 | 1 | https://leetcode-cn.com/problems/partition-labels |
| 162. 寻找峰值 | 1 | https://leetcode-cn.com/problems/find-peak-element |
| 556. 下一个更大元素 III | 1 | https://leetcode-cn.com/problems/next-greater-element-iii |
| 662. 二叉树最大宽度 | 1 | https://leetcode-cn.com/problems/maximum-width-of-binary-tree |
| 617. 合并二叉树 | 1 | https://leetcode-cn.com/problems/merge-two-binary-trees |

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bytedance/test.md
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# 测试
若想按部门/难度/题型筛选题目，可以在[CodeTop](https://codetop.cc)查询
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|19|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|3. 无重复字符的最长子串|21|https://leetcode-cn.com/problems/longest-substring-without-repeating-characters|
|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|
|20. 有效的括号|9|https://leetcode-cn.com/problems/valid-parentheses|
|206. 反转链表|8|https://leetcode-cn.com/problems/reverse-linked-list|
|20. 有效的括号|10|https://leetcode-cn.com/problems/valid-parentheses|
|1. 两数之和|8|https://leetcode-cn.com/problems/two-sum|
|415. 字符串相加|7|https://leetcode-cn.com/problems/add-strings|
|415. 字符串相加|8|https://leetcode-cn.com/problems/add-strings|
|160. 相交链表|7|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|25. K 个一组翻转链表|6|https://leetcode-cn.com/problems/reverse-nodes-in-k-group|
|160. 相交链表|6|https://leetcode-cn.com/problems/intersection-of-two-linked-lists|
|239. 滑动窗口最大值|6|https://leetcode-cn.com/problems/sliding-window-maximum|
|78. 子集|5|https://leetcode-cn.com/problems/subsets|
|5. 最长回文子串|5|https://leetcode-cn.com/problems/longest-palindromic-substring|
|83. 删除排序链表中的重复元素|5|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|94. 二叉树的中序遍历|5|https://leetcode-cn.com/problems/binary-tree-inorder-traversal|
|1143. 最长公共子序列|4|https://leetcode-cn.com/problems/longest-common-subsequence|
|468. 验证IP地址|4|https://leetcode-cn.com/problems/validate-ip-address|
|141. 环形链表|4|https://leetcode-cn.com/problems/linked-list-cycle|
|142. 环形链表 II|4|https://leetcode-cn.com/problems/linked-list-cycle-ii|
|70. 爬楼梯|4|https://leetcode-cn.com/problems/climbing-stairs|
|179. 最大数|5|https://leetcode-cn.com/problems/largest-number|
|121. 买卖股票的最佳时机|5|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|5. 最长回文子串|5|https://leetcode-cn.com/problems/longest-palindromic-substring|
|141. 环形链表|5|https://leetcode-cn.com/problems/linked-list-cycle|
|83. 删除排序链表中的重复元素|5|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list|
|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|
|179. 最大数|4|https://leetcode-cn.com/problems/largest-number|
|239. 滑动窗口最大值|4|https://leetcode-cn.com/problems/sliding-window-maximum|
|39. 组合总和|4|https://leetcode-cn.com/problems/combination-sum|
|718. 最长重复子数组|4|https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray|
|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|
|468. 验证IP地址|4|https://leetcode-cn.com/problems/validate-ip-address|
|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|
|15. 三数之和|4|https://leetcode-cn.com/problems/3sum|
|110. 平衡二叉树|4|https://leetcode-cn.com/problems/balanced-binary-tree|
|121. 买卖股票的最佳时机|3|https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock|
|26. 删除排序数组中的重复项|3|https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array|
|15. 三数之和|3|https://leetcode-cn.com/problems/3sum|
|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|
|14. 最长公共前缀|3|https://leetcode-cn.com/problems/longest-common-prefix|
|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|
|62. 不同路径|3|https://leetcode-cn.com/problems/unique-paths|
|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|
|32. 最长有效括号|3|https://leetcode-cn.com/problems/longest-valid-parentheses|
|26. 删除排序数组中的重复项|3|https://leetcode-cn.com/problems/remove-duplicates-from-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|
|146. LRU缓存机制|2|https://leetcode-cn.com/problems/lru-cache|
|470. 用 Rand7() 实现 Rand10()|2|https://leetcode-cn.com/problems/implement-rand10-using-rand7|
|56. 合并区间|2|https://leetcode-cn.com/problems/merge-intervals|
|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|
|151. 翻转字符串里的单词|2|https://leetcode-cn.com/problems/reverse-words-in-a-string|
|124. 二叉树中的最大路径和|2|https://leetcode-cn.com/problems/binary-tree-maximum-path-sum|
|21. 合并两个有序链表|2|https://leetcode-cn.com/problems/merge-two-sorted-lists|
|242. 有效的字母异位词|2|https://leetcode-cn.com/problems/valid-anagram|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|42. 接雨水|2|https://leetcode-cn.com/problems/trapping-rain-water|
|268. 缺失数字|2|https://leetcode-cn.com/problems/missing-number|
|125. 验证回文串|2|https://leetcode-cn.com/problems/valid-palindrome|
|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|
|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|
|32. 最长有效括号|2|https://leetcode-cn.com/problems/longest-valid-parentheses|
|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|
|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|
|240. 搜索二维矩阵 II|2|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|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|
|88. 合并两个有序数组|2|https://leetcode-cn.com/problems/merge-sorted-array|
|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|
|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|
|56. 合并区间|2|https://leetcode-cn.com/problems/merge-intervals|
|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|
|补充题1. 排序奇升偶降链表|1|https://mp.weixin.qq.com/s/377FfqvpY8NwMInhpoDgsw|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|9. 回文数|1|https://leetcode-cn.com/problems/palindrome-number|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|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|
|405. 数字转换为十六进制数|1|https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal|
|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|
|200. 岛屿数量|1|https://leetcode-cn.com/problems/number-of-islands|
|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|
|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|
|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|
|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|
|93. 复原IP地址|1|https://leetcode-cn.com/problems/restore-ip-addresses|
|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|
|8. 字符串转换整数 (atoi)|1|https://leetcode-cn.com/problems/string-to-integer-atoi|
|11. 盛最多水的容器|1|https://leetcode-cn.com/problems/container-with-most-water|
|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|
|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|
|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|
|162. 寻找峰值|1|https://leetcode-cn.com/problems/find-peak-element|
|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|
|162. 寻找峰值|1|https://leetcode-cn.com/problems/find-peak-element|
|234. 回文链表|1|https://leetcode-cn.com/problems/palindrome-linked-list|
|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|
|76. 最小覆盖子串|1|https://leetcode-cn.com/problems/minimum-window-substring|
|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|
|198. 打家劫舍|1|https://leetcode-cn.com/problems/house-robber|
|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|
|240. 搜索二维矩阵 II|1|https://leetcode-cn.com/problems/search-a-2d-matrix-ii|
|224. 基本计算器|1|https://leetcode-cn.com/problems/basic-calculator|
|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|
|1201. 丑数 III|1|https://leetcode-cn.com/problems/ugly-number-iii|
|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|
|796. 旋转字符串|1|https://leetcode-cn.com/problems/rotate-string|
|51. N皇后|1|https://leetcode-cn.com/problems/n-queens|
|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|
|236. 二叉树的最近公共祖先|1|https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree|
Software Engineer
|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/377FfqvpY8NwMInhpoDgsw|
|958. 二叉树的完全性检验|1|https://leetcode-cn.com/problems/check-completeness-of-a-binary-tree|
|103. 二叉树的锯齿形层次遍历|1|https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal|
|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|