[leetcode tree]100. Same Tree

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Leetcode 笔记 100 - Same Tree

题目链接:Same Tree | LeetCode OJ Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. Tags: Depth-first Search 分析很基本的一道深度优…

LeetCode之100. Same Tree

------------------------------------------ 递归比较即可 AC代码: /** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = x; } * } */ public class Solution { public boolean isSa…

【一天一道LeetCode】#100. Same Tree(100题大关)

一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博欢迎转载,转载请注明出处 (一)题目 Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the…

【LeetCode】100. Same Tree 解题报告（Java & Python）

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录题目描述题目大意解题方法日期 [LeetCode] 题目地址:https://leetcode.com/problems/same-tree/ Total Accepted: 126017 Total Submissions: 291619 Difficulty: Easy 题目描述 Given two binary trees, write a function to c…

【LeetCode】100 - Same Tree

Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. Solution 1:recursion,the key is to find out all situations of retu…

LeetCode OJ 100. Same Tree

Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have the same value. 很简单,直接上代码: /** * Definition for a binary tree node. * public class…

【LeetCode】100. Same Tree (2 solutions)

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[leetcode tree]100. Same Tree

判断输入的两棵树是不是相同判断当前root值,左子树和右子树是否相同 ####注意最后用的是 is 而不是 ==,因为最后判断p和q是不是None, 应该判断是不是同一个对象 class Solution(object): def isSameTree(self, p, q): if p and q: return self.isSameTree(p.left,q.left) and self.isSameTree(p.right,q.right) and p.val==q.val retur…

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100. same tree 100. Same Tree Given two binary trees, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally identical and the nodes have the same value. Example 1: Input: 1 1 / \ / \…

<LeetCode OJ> 100. Same Tree

100. Same Tree Total Accepted: 100129 Total Submissions: 236623 Difficulty: Easy Given two binary trees, write a function to check if they are equal or not. Two binary trees are considered equal if they are structurally identical and the nodes have t…