二叉樹（binary tree）
在寫這篇文章之前說一下數據結構和算法這個系列，這個系列包含了很多東西，比如啥子排序，線性表，廣義表，樹，圖這些大家都是知道的，但是這些東西我們學了之后工作中能用到的又有多少呢，據我所知絕大部分公司，一 ...
原文：[LeetCode] 979. Distribute Coins in Binary Tree 在二叉樹中分配硬幣
You are given therootof a binary tree withnnodes where eachnodein the tree hasnode.valcoins and there arencoins total. In one move, we may choose two adjacent nodes and move one coin from one node to ...
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