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@@ -40,7 +40,7 @@
* 编程语言
* [C++面试&C++学习指南知识点整理](https://github.com/youngyangyang04/TechCPP)
* 代码风格
* 编程素养
* [看了这么多代码，谈一谈代码风格！](https://mp.weixin.qq.com/s/UR9ztxz3AyL3qdHn_zMbqw)
* 求职
@@ -54,6 +54,7 @@
* 算法性能分析
* [关于时间复杂度，你不知道的都在这里！](https://mp.weixin.qq.com/s/LWBfehW1gMuEnXtQjJo-sw)
* [O(n)的算法居然超时了，此时的n究竟是多大？](https://mp.weixin.qq.com/s/73ryNsuPFvBQkt6BbhNzLA)
* [通过一道面试题目，讲一讲递归算法的时间复杂度！](https://mp.weixin.qq.com/s/I6ZXFbw09NR31F5CJR_geQ)
* 数组
* [必须掌握的数组理论知识](https://mp.weixin.qq.com/s/X7R55wSENyY62le0Fiawsg)
@@ -276,6 +277,7 @@
|[0129.求根到叶子节点数字之和](https://github.com/youngyangyang04/leetcode/blob/master/problems/0129.求根到叶子节点数字之和.md) |二叉树 |中等|**递归/回溯** 递归里隐藏着回溯，和113.路径总和II类似|
|[0131.分割回文串](https://github.com/youngyangyang04/leetcode/blob/master/problems/0131.分割回文串.md) |回溯 |中等|**回溯**|
|[0135.分发糖果](https://github.com/youngyangyang04/leetcode/blob/master/problems/0135.分发糖果.md) |贪心 |困难|**贪心**好题目|
|[0139.单词拆分](https://github.com/youngyangyang04/leetcode/blob/master/problems/0139.单词拆分.md) |动态规划 |中等|**完全背包** **回溯法**|
|[0141.环形链表](https://github.com/youngyangyang04/leetcode/blob/master/problems/0141.环形链表.md) |链表 |简单|**快慢指针/双指针**|
|[0142.环形链表II](https://github.com/youngyangyang04/leetcode/blob/master/problems/0142.环形链表II.md) |链表 |中等|**快慢指针/双指针**|
|[0143.重排链表](https://github.com/youngyangyang04/leetcode/blob/master/problems/0143.重排链表.md) |链表 |中等|**快慢指针/双指针** 也可以用数组，双向队列模拟，考察链表综合操作的好题|
@@ -355,6 +357,7 @@
|[0767.重构字符串](https://github.com/youngyangyang04/leetcode/blob/master/problems/0767.重构字符串.md) |字符串 |中等|**字符串** + 排序+一点贪心|
|[0841.钥匙和房间](https://github.com/youngyangyang04/leetcode/blob/master/problems/0841.钥匙和房间.md) |孤岛问题 |中等|**bfs** **dfs**|
|[0844.比较含退格的字符串](https://github.com/youngyangyang04/leetcode/blob/master/problems/0844.比较含退格的字符串.md) |字符串 |简单|**栈** **双指针优化** 使用栈的思路但没有必要使用栈|
|[0860.柠檬水找零](https://github.com/youngyangyang04/leetcode/blob/master/problems/0860.柠檬水找零.md) |贪心算法 |简单|**贪心算法** 基础题目|
|[0925.长按键入](https://github.com/youngyangyang04/leetcode/blob/master/problems/0925.长按键入.md) |字符串 |简单|**双指针/模拟** 是一道模拟类型的题目|
|[0941.有效的山脉数组](https://github.com/youngyangyang04/leetcode/blob/master/problems/0941.有效的山脉数组.md) |数组 |简单|**双指针**|
|[0968.监控二叉树](https://github.com/youngyangyang04/leetcode/blob/master/problems/0968.监控二叉树.md) |二叉树 |困难|**贪心** 贪心与二叉树的结合|