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[LeetCode]Binary Tree Maximum Path Sum
Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example: Given the below binary tree, 1 / \...
分类:其他好文   时间:2015-02-14 15:02:11    阅读次数:198
[LeetCode] Binary Tree Maximum Path Sum 求二叉树的最大路径和
Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, 1 ...
分类:其他好文   时间:2015-02-08 16:46:31    阅读次数:135
Binary Tree Maximum Path Sum
Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. 求树的一点到另一点的最大路径,利用递归的方法,ans 在 左子树,右子树,root+左+右的最大中产生。 /** * Definition for binary tree * struct ...
分类:其他好文   时间:2015-01-27 22:01:36    阅读次数:112
【LeetCode】Binary Tree Maximum Path Sum 解题报告
【题目】 Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example: Given the below binary tree, 1 / 2 3 Re...
分类:其他好文   时间:2015-01-22 18:16:26    阅读次数:130
Leetcode#124 Binary Tree Maximum Path Sum
原题地址假设我们找到了一个最优路径,那么该路径上一定存在一个节点,左边的路径是它的左儿子,右边的路径是它的右儿子。所以,只需要在遍历二叉树求路径的同时更新最大值即可。maxPath = max{只保留左边路径,只保留右边路径,同时保留左右两边路径,左右两边路径都不保留(只有节点本身)},对应第8行无...
分类:其他好文   时间:2015-01-21 13:18:39    阅读次数:118
[LeetCode] Binary Tree Maximum Path Sum
Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree, 1 ...
分类:其他好文   时间:2015-01-18 13:00:09    阅读次数:145
leetcode——Binary Tree Maximum Path Sum
这题很难,主要是我没理解题目的意思,后来看着给的测试参考,和网上找的答案,终于理解了。 例如: 给的 正确的路线应该是 也就是说,路径是一条的,不是有分叉的,之所以算出55是因为把>0的数都加上去了,这样路径就分叉了,就不是一条路径了,所以用dfs做时,返回值应该是左子树或者右子树中>0且比较大的那...
分类:其他好文   时间:2015-01-13 21:17:50    阅读次数:127
[LeetCode#]
The problem:Given a binary tree, find the maximum path sum.The path may start and end at any node in the tree.For example:Given the below binary tree,...
分类:其他好文   时间:2015-01-11 00:59:13    阅读次数:287
[LeetCode]124 Binary Tree Maximum Path Sum
https://oj.leetcode.com/problems/binary-tree-maximum-path-sum/http://blog.csdn.net/linhuanmars/article/details/22969069/** *Definitionforbinarytree *publicclassTreeNode{ *intval; *TreeNodeleft; *TreeNoderight; *TreeNode(intx){val=x;} *} */ publicclassSoluti..
分类:其他好文   时间:2015-01-07 19:14:02    阅读次数:158
[LeetCode] Binary Tree Maximum Path Sum(最大路径和)
Given a binary tree, find the maximum path sum. The path may start and end at any node in the tree. For example:Given the below binary tree, 1 / \ 2 3...
分类:其他好文   时间:2015-01-06 17:38:16    阅读次数:199
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