| 3. 无重复字符的最长子串 |
7 |
https://leetcode-cn.com/problems/longest-substring-without-repeating-characters |
| 227. 基本计算器 II |
3 |
https://leetcode-cn.com/problems/basic-calculator-ii |
| 74. 搜索二维矩阵 |
3 |
https://leetcode-cn.com/problems/search-a-2d-matrix |
| 100. 相同的树 |
3 |
https://leetcode-cn.com/problems/same-tree |
| 153. 寻找旋转排序数组中的最小值 |
2 |
https://leetcode-cn.com/problems/find-minimum-in-rotated-sorted-array |
| 补充题4. 手撕快速排序 |
2 |
https://leetcode-cn.com/problems/sort-an-array |
| 20. 有效的括号 |
2 |
https://leetcode-cn.com/problems/valid-parentheses |
| 1143. 最长公共子序列 |
2 |
https://leetcode-cn.com/problems/longest-common-subsequence |
| 171. Excel表列序号 |
2 |
https://leetcode-cn.com/problems/excel-sheet-column-number |
| 46. 全排列 |
1 |
https://leetcode-cn.com/problems/permutations |
| 202. 快乐数 |
1 |
https://leetcode-cn.com/problems/happy-number |
| 134. 加油站 |
1 |
https://leetcode-cn.com/problems/gas-station |
| 470. 用 Rand7() 实现 Rand10() |
1 |
https://leetcode-cn.com/problems/implement-rand10-using-rand7 |
| 121. 买卖股票的最佳时机 |
1 |
https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock |
| 442. 数组中重复的数据 |
1 |
https://leetcode-cn.com/problems/find-all-duplicates-in-an-array |
| 53. 最大子序和 |
1 |
https://leetcode-cn.com/problems/maximum-subarray |
| 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 |
| 206. 反转链表 |
1 |
https://leetcode-cn.com/problems/reverse-linked-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 |
| 14. 最长公共前缀 |
1 |
https://leetcode-cn.com/problems/longest-common-prefix |
| 55. 跳跃游戏 |
1 |
https://leetcode-cn.com/problems/jump-game |
| 136. 只出现一次的数字 |
1 |
https://leetcode-cn.com/problems/single-number |
| 821. 字符的最短距离 |
1 |
https://leetcode-cn.com/problems/shortest-distance-to-a-character |
| 43. 字符串相乘 |
1 |
https://leetcode-cn.com/problems/multiply-strings |
| 237. 删除链表中的节点 |
1 |
https://leetcode-cn.com/problems/delete-node-in-a-linked-list |
| 217. 存在重复元素 |
1 |
https://leetcode-cn.com/problems/contains-duplicate |
| 240. 搜索二维矩阵 II |
1 |
https://leetcode-cn.com/problems/search-a-2d-matrix-ii |
