[LeetCode] Find Leaves of Binary Tree 找二叉樹的葉節點
Given a binary tree, collect a tree's nodes as if you were doing this: Collect and remove all leaves, repeat until the tree is empty. Example ...
原文：[LeetCode] 993. Cousins in Binary Tree 二叉樹的表兄弟節點
In a binary tree, the root node is at depth , and children of each depthknode are at depthk . Two nodes of a binary tree arecousinsif they have the same depth, but havedifferent parents. We are given ...
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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 ...
[LeetCode] Invert Binary Tree 翻轉二叉樹
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[LeetCode] 545. Boundary of Binary Tree 二叉樹的邊界
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[LeetCode] Binary Tree Paths 二叉樹路徑
們一個二叉樹，讓我們返回所有根到葉節點的路徑，跟之前那道Path Sum II很類似，比那道稍微簡單一些， ...