@@ -349,10 +349,14 @@ int countNodes(TreeNode* root) {
349349| [ 0027.移除元素] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0027.移除元素.md ) | 数组 | 简单| ** 暴力** ** 双指针/快慢指针/双指针** |
350350| [ 0028.实现strStr()] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0028.实现strStr().md ) | 字符串 | 简单| ** KMP** |
351351| [ 0035.搜索插入位置] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0035.搜索插入位置.md ) | 数组 | 简单| ** 暴力** ** 二分** |
352+ | [ 0039.组合总和] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0039.组合总和.md ) | 数组/回溯 | 中等| ** 回溯** |
353+ | [ 0040.组合总和II] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0040.组合总和II.md ) | 数组/回溯 | 中等| ** 回溯** |
352354| [ 0046.全排列] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0046.全排列.md ) | 回溯| 中等| ** 回溯** |
353355| [ 0047.全排列II] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0047.全排列II.md ) | 回溯| 中等| ** 回溯** |
354356| [ 0053.最大子序和] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0053.最大子序和.md ) | 数组 | 简单| ** 暴力** ** 贪心** 动态规划 分治|
355357| [ 0059.螺旋矩阵II] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0059.螺旋矩阵II.md ) | 数组 | 中等| ** 模拟** |
358+ | [ 0077.组合] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0077.组合.md ) | 回溯 | 中等| ** 回溯** |
359+ | [ 0078.子集] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0078.子集.md ) | 回溯/数组 | 中等| ** 回溯** |
356360| [ 0083.删除排序链表中的重复元素] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0083.删除排序链表中的重复元素.md ) | 链表 | 简单| ** 模拟** |
357361| [ 0093.复原IP地址] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0093.复原IP地址 ) | 回溯 | 中等| ** 回溯** |
358362| [ 0094.二叉树的中序遍历] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0094.二叉树的中序遍历.md ) | 树 | 中等| ** 递归** ** 迭代/栈** |
@@ -375,6 +379,7 @@ int countNodes(TreeNode* root) {
375379| [ 0205.同构字符串] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0205.同构字符串.md ) | 哈希表 | 简单| ** 哈希** |
376380| [ 0206.翻转链表] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0206.翻转链表.md ) | 链表 | 简单| ** 双指针法** ** 递归** |
377381| [ 0209.长度最小的子数组] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0209.长度最小的子数组.md ) | 数组 | 中等| ** 暴力** ** 滑动窗口** |
382+ | [ 0216.组合总和III] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0216.组合总和III.md ) | 数组/回溯 | 中等| ** 回溯** |
378383| [ 0219.存在重复元素II] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0219.存在重复元素II.md ) | 哈希表 | 简单| ** 哈希** |
379384| [ 0222.完全二叉树的节点个数] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0222.完全二叉树的节点个数.md ) | 树 | 简单| ** 递归** |
380385| [ 0225.用队列实现栈] ( https://github.com/youngyangyang04/leetcode/blob/master/problems/0225.用队列实现栈.md ) | 队列 | 简单| ** 队列** |
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