LeetcodeTop/bytedance/backend.md

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

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