二叉树（binary tree）
在写这篇文章之前说一下数据结构和算法这个系列，这个系列包含了很多东西，比如啥子排序，线性表，广义表，树，图这些大家都是知道的，但是这些东西我们学了之后工作中能用到的又有多少呢，据我所知绝大部分公司，一 ...
原文：[LeetCode] Binary Tree Pruning 二叉树修剪
We are given the head noderootof a binary tree, where additionally every node s value is either a or a . Return the same tree where every subtree of the given tree not containing a has been removed. ...
2018-08-26 23:45 0 2297 推荐指数：
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