[LeetCode] 863. All Nodes Distance K in Binary Tree 二叉樹距離為K的所有結點
We are given a binary tree (with root node `root`), a `target` node, and an integer value `K`. Return a list of the values of all nodes that have ...
原文：[LeetCode] Closest Leaf in a Binary Tree 二叉樹中最近的葉結點
Given a binary treewhere every node has a unique value, and a target keyk, find the value of the nearest leaf node to targetkin the tree. Here,nearestto a leaf means the least number of edges travell ...
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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 ...
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