| 215. 数组中的第K个最大元素 |
4 |
https://leetcode-cn.com/problems/kth-largest-element-in-an-array |
| 300. 最长上升子序列 |
3 |
https://leetcode-cn.com/problems/longest-increasing-subsequence |
| 103. 二叉树的锯齿形层次遍历 |
3 |
https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal |
| 121. 买卖股票的最佳时机 |
2 |
https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock |
| 49. 字母异位词分组 |
2 |
https://leetcode-cn.com/problems/group-anagrams |
| 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 |
| 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 |
| 85. 最大矩形 |
2 |
https://leetcode-cn.com/problems/maximal-rectangle |
| 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 |
| 236. 二叉树的最近公共祖先 |
2 |
https://leetcode-cn.com/problems/lowest-common-ancestor-of-a-binary-tree |
| 200. 岛屿数量 |
2 |
https://leetcode-cn.com/problems/number-of-islands |
| 46. 全排列 |
2 |
https://leetcode-cn.com/problems/permutations |
| 33. 搜索旋转排序数组 |
1 |
https://leetcode-cn.com/problems/search-in-rotated-sorted-array |
| 509. 斐波那契数 |
1 |
https://leetcode-cn.com/problems/fibonacci-number |
| 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 |
| 179. 最大数 |
1 |
https://leetcode-cn.com/problems/largest-number |
| 5. 最长回文子串 |
1 |
https://leetcode-cn.com/problems/longest-palindromic-substring |
| 15. 三数之和 |
1 |
https://leetcode-cn.com/problems/3sum |
| 3. 无重复字符的最长子串 |
1 |
https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
| 240. 搜索二维矩阵 II |
1 |
https://leetcode-cn.com/problems/search-a-2d-matrix-ii |
| 376. 摆动序列 |
1 |
https://leetcode-cn.com/problems/wiggle-subsequence |
| 445. 两数相加 II |
1 |
https://leetcode-cn.com/problems/add-two-numbers-ii |
| 437. 路径总和 III |
1 |
https://leetcode-cn.com/problems/path-sum-iii |
| 426. 将二叉搜索树转化为排序的双向链表 |
1 |
https://leetcode-cn.com/problems/convert-binary-search-tree-to-sorted-doubly-linked-list |
| 32. 最长有效括号 |
1 |
https://leetcode-cn.com/problems/longest-valid-parentheses |
| 152. 乘积最大子数组 |
1 |
https://leetcode-cn.com/problems/maximum-product-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 |
| 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 |
| 582. 杀死进程 |
1 |
https://leetcode-cn.com/problems/kill-process |
| 297. 二叉树的序列化与反序列化 |
1 |
https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree |
| 20. 有效的括号 |
1 |
https://leetcode-cn.com/problems/valid-parentheses |
| 70. 爬楼梯 |
1 |
https://leetcode-cn.com/problems/climbing-stairs |
| 1363. 形成三的最大倍数 |
1 |
https://leetcode-cn.com/problems/largest-multiple-of-three |
| 1. 两数之和 |
1 |
https://leetcode-cn.com/problems/two-sum |
| 264. 丑数 II |
1 |
https://leetcode-cn.com/problems/ugly-number-ii |
| 518. 零钱兑换 II |
1 |
https://leetcode-cn.com/problems/coin-change-2 |
| 1143. 最长公共子序列 |
1 |
https://leetcode-cn.com/problems/longest-common-subsequence |
| 160. 相交链表 |
1 |
https://leetcode-cn.com/problems/intersection-of-two-linked-lists |
| 88. 合并两个有序数组 |
1 |
https://leetcode-cn.com/problems/merge-sorted-array |
| 64. 最小路径和 |
1 |
https://leetcode-cn.com/problems/minimum-path-sum |
| 334. 递增的三元子序列 |
1 |
https://leetcode-cn.com/problems/increasing-triplet-subsequence |
| 72. 编辑距离 |
1 |
https://leetcode-cn.com/problems/edit-distance |
| 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 |
| 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 |
| 25. K 个一组翻转链表 |
1 |
https://leetcode-cn.com/problems/reverse-nodes-in-k-group |
| 剑指 Offer 55 - II. 平衡二叉树 |
1 |
https://leetcode-cn.com/problems/ping-heng-er-cha-shu-lcof |
| 63. 不同路径 II |
1 |
https://leetcode-cn.com/problems/unique-paths-ii |
| 142. 环形链表 II |
1 |
https://leetcode-cn.com/problems/linked-list-cycle-ii |
| 50. Pow(x, n) |
1 |
https://leetcode-cn.com/problems/powx-n |
| 440. 字典序的第K小数字 |
1 |
https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order |
| 636. 函数的独占时间 |
1 |
https://leetcode-cn.com/problems/exclusive-time-of-functions |
| 695. 岛屿的最大面积 |
1 |
https://leetcode-cn.com/problems/max-area-of-island |
| 124. 二叉树中的最大路径和 |
1 |
https://leetcode-cn.com/problems/binary-tree-maximum-path-sum |
| 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 |
| 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 |
| 814. 二叉树剪枝 |
1 |
https://leetcode-cn.com/problems/binary-tree-pruning |
| 48. 旋转图像 |
1 |
https://leetcode-cn.com/problems/rotate-image |
| 238. 除自身以外数组的乘积 |
1 |
https://leetcode-cn.com/problems/product-of-array-except-self |
| 110. 平衡二叉树 |
1 |
https://leetcode-cn.com/problems/balanced-binary-tree |
| 62. 不同路径 |
1 |
https://leetcode-cn.com/problems/unique-paths |
| 169. 多数元素 |
1 |
https://leetcode-cn.com/problems/majority-element |
| 718. 最长重复子数组 |
1 |
https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray |
| 128. 最长连续序列 |
1 |
https://leetcode-cn.com/problems/longest-consecutive-sequence |
| 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 |
| 807. 保持城市天际线 |
1 |
https://leetcode-cn.com/problems/max-increase-to-keep-city-skyline |
| 572. 另一个树的子树 |
1 |
https://leetcode-cn.com/problems/subtree-of-another-tree |
| 102. 二叉树的层序遍历 |
1 |
https://leetcode-cn.com/problems/binary-tree-level-order-traversal |
| 209. 长度最小的子数组 |
1 |
https://leetcode-cn.com/problems/minimum-size-subarray-sum |
| 239. 滑动窗口最大值 |
1 |
https://leetcode-cn.com/problems/sliding-window-maximum |
| 104. 二叉树的最大深度 |
1 |
https://leetcode-cn.com/problems/maximum-depth-of-binary-tree |
| 2. 两数相加 |
1 |
https://leetcode-cn.com/problems/add-two-numbers |
| 560. 和为K的子数组 |
1 |
https://leetcode-cn.com/problems/subarray-sum-equals-k |
| 287. 寻找重复数 |
1 |
https://leetcode-cn.com/problems/find-the-duplicate-number |
