For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees ofeverynode never differ by more than 1. 解题思路1(下面给出两种代码实现,代码1和代码2):采用递归的方法,对每一层的节点进行
a binary tree in which the left and right subtrees of every node differ in height by no more than 1. 英文版地址 leetcode.com/problems/b 中文版描述 给定一个二叉树,判断它是否是高度平衡的二叉树。本题中,一棵高度平衡二叉树定义为:一个二叉树每个节点 的左右两个子树的高度差的绝对值不超过 1 ...
LeetCode 110. Balanced Binary Tree Description Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as: a binary tree in which the depth of the two subtrees of every node never differ by more than 1. Example 1: Given the ...
* Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode() {} * TreeNode(int val) { this.val = val; } * TreeNode(int val, TreeNode left, TreeNode right) { * this.val = val; * this.left = left; * this....
package leetcode /** * Definition for a binary tree node. * type TreeNode struct { * Val int * Left *TreeNode * Right *TreeNode * } */ func isBalanced(root *TreeNode) bool { if root == nil { return true } leftHight := depth(root.Left) rightHight := depth(root.Right) retur...
https://leetcode.com/problems/balanced-binary-tree/ 题目: Given a binary tree, determine if it is height-balanced. every 思路: 根据结点高度,递归判断是否满足平衡树定义。此题跟Kth Smallest Element in a BST做法类似,在遍历过程中遇到满足某条件的结点时,将结果放到全局变量中,如果没遇到最终递归返回的...
Can you solve this real interview question? Balanced Binary Tree - Given a binary tree, determine if it is height-balanced. Example 1: [https://assets.leetcode.com/uploads/2020/10/06/balance_1.jpg] Input: root = [3,9,20,null,null,15,7] Output: tru
LeetCode—110. Balanced Binary Tree 题目 https://leetcode.com/problems/balanced-binary-tree/description/ 判断一棵二叉树是否是平衡二叉树。 平衡二叉树指的是,两棵子树的任一节点的深度相差不超过1. 思路及解法 首先写一个函数用来得到每一个子树的深度,然后递归调用原函数,判断两棵子树的深度差... ...
For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two subtrees of every node never differ by more than 1. 题目分析: 平衡二叉树:(1)要么为空,要么左右子树的深度差值不超过1;(2)左右两个子树都是一棵平衡二叉树,即子树也都要都满足条件(1...
LeetCode 110. Balanced Binary Tree 简介:给定一颗二叉树,判断此树是不是平衡二叉树.平衡二叉树的条件是:当前节点的左右子树高度差不超过1,且左右子树都是平衡二叉树. Description Given a binary tree, determine if it is height-balanced. For this problem, a height-balanced binary tree is defined as:...