[LeetCode] 94. Binary Tree Inorder Traversal 二叉樹的中序遍歷
it iteratively? 二叉樹的中序遍歷順序為左-根-右，可以有遞歸和非遞歸來解，其中非遞歸解法又 ...
原文：[LeetCode] 623. Add One Row to Tree 二叉樹中增加一行
Given the root of a binary tree, then valuevand depthd, you need to add a row of nodes with valuevat the given depthd. The root node is at depth . The adding rule is: given a positive integer depthd, ...
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[LeetCode] 94. Binary Tree Inorder Traversal 二叉樹的中序遍歷
Given a binary tree, return the inorder traversal of its nodes' values. For example:Given binary tree {1,#,2,3}, return [1,3,2]. Note ...
[LeetCode] Second Minimum Node In a Binary Tree 二叉樹中第二小的結點
Given a non-empty special binary tree consisting of nodes with the non-negative value, where each node in this tree has exactly two or zero ...
[LeetCode] 968. Binary Tree Cameras 二叉樹相機
Given a binary tree, we install cameras on the nodes of the tree. Each camera at a node can monitor its parent, itself, and its immediate ...
[LeetCode] Diameter of Binary Tree 二叉樹的直徑
Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longestpath ...
LeetCode 1261 在受污染的二叉樹中查找元素 Find Elements in a Contaminated Binary Tree
地址 https://leetcode-cn.com/contest/weekly-contest-163/problems/find-elements-in-a-contaminated-binary-tree/ 題目描述給出一個滿足下述規則的二叉樹： root.val ...
[LeetCode] Invert Binary Tree 翻轉二叉樹
Invert a binary tree. to Trivia: This problem was inspired by this original tweet by Max Howell: Google: 90% of our engineers use ...
[LeetCode] 545. Boundary of Binary Tree 二叉樹的邊界
Given a binary tree, return the values of its boundary in anti-clockwise direction starting from root. Boundary includes left boundary, leaves ...