| 232. 用栈实现队列 |
3 |
https://leetcode-cn.com/problems/implement-queue-using-stacks |
| 440. 字典序的第K小数字 |
1 |
https://leetcode-cn.com/problems/k-th-smallest-in-lexicographical-order |
| 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 |
| 516. 最长回文子序列 |
1 |
https://leetcode-cn.com/problems/longest-palindromic-subsequence |
| 25. K 个一组翻转链表 |
1 |
https://leetcode-cn.com/problems/reverse-nodes-in-k-group |
| 226. 翻转二叉树 |
1 |
https://leetcode-cn.com/problems/invert-binary-tree |
| 1201. 丑数 III |
1 |
https://leetcode-cn.com/problems/ugly-number-iii |
| 60. 第k个排列 |
1 |
https://leetcode-cn.com/problems/permutation-sequence |
| 101. 对称二叉树 |
1 |
https://leetcode-cn.com/problems/symmetric-tree |
| 33. 搜索旋转排序数组 |
1 |
https://leetcode-cn.com/problems/search-in-rotated-sorted-array |
| 121. 买卖股票的最佳时机 |
1 |
https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock |
| 240. 搜索二维矩阵 II |
1 |
https://leetcode-cn.com/problems/search-a-2d-matrix-ii |
| 剑指 Offer 59 - II. 队列的最大值 |
1 |
https://leetcode-cn.com/problems/dui-lie-de-zui-da-zhi-lcof |
| 155. 最小栈 |
1 |
https://leetcode-cn.com/problems/min-stack |
| 42. 接雨水 |
1 |
https://leetcode-cn.com/problems/trapping-rain-water |
| 3. 无重复字符的最长子串 |
1 |
https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
| 5. 最长回文子串 |
1 |
https://leetcode-cn.com/problems/longest-palindromic-substring |
| 92. 反转链表 II |
1 |
https://leetcode-cn.com/problems/reverse-linked-list-ii |
| 206. 反转链表 |
1 |
https://leetcode-cn.com/problems/reverse-linked-list |
| 112. 路径总和 |
1 |
https://leetcode-cn.com/problems/path-sum |
| 718. 最长重复子数组 |
1 |
https://leetcode-cn.com/problems/maximum-length-of-repeated-subarray |
| 297. 二叉树的序列化与反序列化 |
1 |
https://leetcode-cn.com/problems/serialize-and-deserialize-binary-tree |