Change the direction from right to left or right to left. Repeat the second and third step until you can't move in the tree. Zigzag length is defined as the number of nodes visited - 1. (A single node has a len
Can you solve this real interview question? Longest ZigZag Path in a Binary Tree - You are given the root of a binary tree. A ZigZag path for a binary tree is defined as follow: * Choose any node in the binary tree and a direction (right or left). *
Given a binary tree root, a ZigZag path for a binary tree is defined as follow: Choose any node in the binary tree and a direction (right or left). If the current direction is right then move to the right child of the current node otherwise move to the left child. Ch...
0103. Binary Tree Zigzag Level Order Traversal 0104. Maximum Depth of Binary Tree 0105. Construct Binary Tree From Preorder and Inorder Traversal 0106. Construct Binary Tree From Inorder and Postorder Traversal 0107. Binary Tree Level Order Traversal I I 0108. Convert Sorted Array to Binary Sear...
leetcode 题解,记录自己的 leetcode 解题之路。 本仓库目前分为五个部分: 第一个部分是 leetcode 经典题目的解析,包括思路,关键点和具体的代码实现。 第二部分是对于数据结构与算法的总结 第三部分是 anki 卡片, 将 leetcode 题目按照一定的方式记录在 anki 中,方便大家记忆。
LeetCode 1372. Longest ZigZag Path in a Binary Tree二叉树中的最长交错路径【Medium】【Python】【DFS】 Problem LeetCode Given a binary treeroot, a ZigZag path for a binary tree is defined as follow: Chooseanynode in the binary tree and a direction (right or left). ...