* Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */classSolution{public:boolisBalanced(TreeNode
}privateintgetDepth(TreeNode tree,intcurrentDepth){if(tree ==null){returncurrentDepth; }returnMath.max(getDepth(tree.left, currentDepth+1), getDepth(tree.right, currentDepth+1)); } } 写了一个getDepth()函数,访问每个节点都要调用一次这个函数。这个Solution也通过了leetcode的验证程序,但是后来想...
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. 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)...
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. 1. Example 1: Given the following tree [3,9,20,null,null,15,7...
http://bangbingsyb.blogspot.com/2014/11/leetcode-balanced-binary-tree.html 我想说明的是,什么 depth of tree and height of tree depth of node n: length of path from n to root. 所以说, depth of subtree 指的应该就是 这棵subtree最大的深度,以该subtree结点为root。
Balanced Binary Tree 今天是一道题目,来自LeetCode,难度为Easy,Acceptance为32.8%。 题目如下 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 ofeverynode never differ by ...
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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 ...
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 Solutions: A Record of My Problem Solving Journey.( leetcode题解,记录自己的leetcode解题之路。) - leetcode/thinkings/balanced-tree.md at afc19949ef4a83dcf6652c9eda29fa4c5c89bd3b · JTangming/leetcode