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zzzzzzzzyt committed Mar 11, 2022
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Expand Up @@ -3152,13 +3152,61 @@ union 函数:合并两个顶点,并将他们的根结点保持一致。如

#### [88. 合并两个有序数组](https://leetcode-cn.com/problems/merge-sorted-array/)没问题

#### [91. 解码方法](https://leetcode-cn.com/problems/decode-ways/) 明早做一下 就是超出时间限制了 没什么问题 用动态规划
#### [91. 解码方法](https://leetcode-cn.com/problems/decode-ways/) 明早做一下 就是超出时间限制了 没什么问题 用动态规划 仔细看题

#### [94. 二叉树的中序遍历](https://leetcode-cn.com/problems/binary-tree-inorder-traversal/)不浪费时间了 就

#### [98. 验证二叉搜索树](https://leetcode-cn.com/problems/validate-binary-search-tree/)利用树的特性 进行比对 同时要看清楚参数选取的范围 注意

#### [101. 对称二叉树](https://leetcode-cn.com/problems/symmetric-tree/)没问题的

#### [102. 二叉树的层序遍历](https://leetcode-cn.com/problems/binary-tree-level-order-traversal/)秒了

#### [103. 二叉树的锯齿形层序遍历](https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/)秒了

#### [104. 二叉树的最大深度](https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/)有点慢 还是需要进一步优化

#### [105. 从前序与中序遍历序列构造二叉树](https://leetcode-cn.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/)又是这个老题目 兄弟好好想想 注意细节啊兄弟 就是细节的问题

#### [108. 将有序数组转换为二叉搜索树](https://leetcode-cn.com/problems/convert-sorted-array-to-binary-search-tree/)太简单了

#### [116. 填充每个节点的下一个右侧节点指针](https://leetcode-cn.com/problems/populating-next-right-pointers-in-each-node/) 没问题的

#### [118. 杨辉三角](https://leetcode-cn.com/problems/pascals-triangle/)想看下这个题有没有dp的解法 并没有好像

#### [121. 买卖股票的最佳时机](https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock/)没问题的

#### [122. 买卖股票的最佳时机 II](https://leetcode-cn.com/problems/best-time-to-buy-and-sell-stock-ii/)没问题

#### [124. 二叉树中的最大路径和](https://leetcode-cn.com/problems/binary-tree-maximum-path-sum/)X 再想想 ==不该不会的 多看看==

#### [125. 验证回文串](https://leetcode-cn.com/problems/valid-palindrome/)没问题

#### [127. 单词接龙](https://leetcode-cn.com/problems/word-ladder/)==3/12再看 今天先不看了==

#### [130. 被围绕的区域](https://leetcode-cn.com/problems/surrounded-regions/)没问题













# ACM模式训练

[牛客竞赛_ACM/NOI/CSP/CCPC/ICPC算法编程高难度练习赛_牛客竞赛OJ (nowcoder.com)](https://ac.nowcoder.com/acm/contest/5657)

要会输入 输出

[ACM模式的输入输出处理(java篇) - 简书 (jianshu.com)](https://www.jianshu.com/p/4be070789f7a)

过几天去找找数组和树这些的输入输出 加油曾



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