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101. Symmetric Tree
Givenabinarytree,checkwhetheritisamirrorofitself(ie,symmetricarounditscenter).Forexample,thisbinarytreeissymmetric:1 /22 /\/3443Butthefollowingisnot:1 /22 \33Note:Bonuspointsifyoucouldsolveitbothrecursivelyanditeratively.解法一:递归方法,判断一个二..
分类:其他好文   时间:2016-04-08 15:23:27    阅读次数:126
PAT Advanced Level 1040. Longest Symmetric String (25)
水题。枚举中间,暴力算最远的。也可以用(Manacher) ...
分类:其他好文   时间:2016-04-06 09:24:33    阅读次数:143
【LeetCode OJ 101】Symmetric Tree
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 around its center). For example, this binary tree is symmetric: ...
分类:其他好文   时间:2016-04-01 18:28:40    阅读次数:176
Symmetric Tree
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 /
分类:其他好文   时间:2016-03-16 09:30:47    阅读次数:113
[leetcode] Symmetric Tree--二叉树遍历的应用
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 3 But the following is...
分类:其他好文   时间:2016-03-13 18:06:55    阅读次数:153
[LeetCode]题解(python):101-Symmetric Tree
题目来源: https://leetcode.com/problems/symmetric-tree/ 题意分析: 判断一棵树是不是镜像树。 题目思路: 判断左子树的左右子树是不是和右子树的右左子树相同。 代码(python): # Definition for a binary tree node
分类:编程语言   时间:2016-03-07 19:14:27    阅读次数:175
1040 the longest symmetric
以每个字符为中心,分两种情况向两边扩展。 manacher算法参见http://www.cnblogs.com/houkai/p/3371807.html AC代码: #include <string> #include <cstdio> #include <iostream> using name
分类:其他好文   时间:2016-03-02 16:31:42    阅读次数:142
Leetcode 101 Symmetric Tree 二叉树
判断一棵树是否自对称 可以回忆我们做过的Leetcode 100 Same Tree 二叉树和Leetcode 226 Invert Binary Tree 二叉树 先可以将左子树进行Invert Binary Tree,然后用Same Tree比较左右子树 而我的做法是改下Same Tree的函数
分类:其他好文   时间:2016-03-01 20:45:19    阅读次数:148
LeetCode(101):Symmetric Tree
Symmetric Tree:Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetr...
分类:其他好文   时间:2016-03-01 20:40:52    阅读次数:124
leetcode - Symmetric Tree
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 /
分类:其他好文   时间:2016-01-30 17:51:16    阅读次数:113
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