Code link: https://leetcode.com/problems/symmetric-tree/ Recursive solution class Solution { public boolean isSymmetric(TreeNode root) { if (root == n ...
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2021-07-29 23:45:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet
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2018-11-21 18:33:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ 2 2 / \ / \3 4 4 3But the following is not: 1 / \ 2 2 \ \ 3 3Note:Bonus points if you could solve it both recursively and iterati...
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2013-09-25 03:05:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric: 1 / \ 2 2 /
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2017-04-17 21:54:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is symmet
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2016-12-22 06:04:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2014-11-17 10:10:00
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这里A这道题的时候，刚看到题目的时候想到用递归。后面题目也有提示，用递归或迭代。还是没有弄出来，主要参考了http://www.cnblogs.com/remlostime/archive/2012/11/15/2772230.htmlLeetCode Oj:https://oj.leetcode....
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2021-08-07 12:06:35
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Question Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree [1,2,2,3,4,4,3] is symmetric: 1 / \ 2 2 / \ / \3 4 4
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2023-02-02 14:56:30
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非递归解法 /** * Definition for binary tree * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), rig
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2017-05-21 12:15:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2014-06-23 12:25:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric: 1 / \ 2 2 /
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2016-01-30 14:52:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2014-09-19 04:35:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2014-11-13 20:15:00
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题目：Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ 2 2 / \ / \3 4 4 3But the fo
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2022-08-01 12:23:55
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题目链接：https://leetcode.com/problems/symmetric-tree/题目：Given a binary tree, check whether it is a mirror of itself (ie, symmetric aro
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2023-07-27 00:02:33
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2014-06-10 17:46:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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2015-07-07 16:09:00
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Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ 2 2 / \ / \3 4 4 3 B
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2013-07-04 20:32:00
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问题叙述性说明：Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1...
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2015-07-15 08:01:00
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https://oj.leetcode.com/problems/symmetric-tree/ http://blog.csdn.net/linhuanmars/article/details/23072829 /**
* Definition for binary tree
* public class&nbs
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2015-01-06 11:07:41
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