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- [理论基础](./btree_basic.md)
- [遍历](./btree_iter.md)
- [二叉搜索树](./bstree.md)
# STL

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# 二叉搜索树
- [s0235](https://leetcode.cn/problems/lowest-common-ancestor-of-a-binary-search-tree/description/): 找两个指定节点的最近公共祖先。思路很简单,只要出现分岔(即一个在当前节点的左边,一个在当前节点的右边),那么这个分岔点就是最近公共祖先。