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[leetcode] Path Sum
问题描写叙述: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the give ...
分类:其他好文   时间:2017-07-29 23:16:51    阅读次数:158
poj3177Redundant Paths tarjan缩点
//给一个连通图,问最少须要加入多少条边才干使得 //随意两个点都有两条不同的路走到 //对于一个强连通分量的全部随意两点都能有两点能够到达 //先用tarjan缩点,缩点以后就是一棵树,对于这个树考虑有几个 //叶子节点 ans = (leaf+1)/2 #include<cstdio> #inc ...
分类:其他好文   时间:2017-07-29 20:22:11    阅读次数:129
[Leetcode] Binary tree--112. Path Sum
112. Path Sum Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals th ...
分类:其他好文   时间:2017-07-29 11:32:35    阅读次数:115
112. Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. F ...
分类:其他好文   时间:2017-07-24 13:10:41    阅读次数:106
[LeetCode] Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:其他好文   时间:2017-07-23 19:49:20    阅读次数:172
java23中设计模式之组合模式
package com.bjsxt.composite; /** * 抽象组件 * @author Administrator * */ public interface Component { void operation(); } //叶子组件 interface Leaf extends Co ...
分类:编程语言   时间:2017-07-23 11:27:36    阅读次数:228
Linux内核源码各目录功能说明
内核源码可以到https://www.kernel.org/去下载。下载完成后,会得到*.tar.xz的源码包,先使用xz-d*.tar.xz解压缩,再使用tar-xvf*.tar进行解包即可得到内核源码:xpleaf@leaf:~/workspace$ls linux-4.1.42linux-4.1.42.tar进入该目录,会有许多目录:xpleaf@leaf:~/workspace/l..
分类:系统相关   时间:2017-07-22 22:40:37    阅读次数:245
107.Binary Tree Level Order Traversal II
Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). For ...
分类:其他好文   时间:2017-07-22 19:49:38    阅读次数:122
[LeetCode] 107. Binary Tree Level Order Traversal II Java
题目: Given a binary tree, return the bottom-up level order traversal of its nodes' values. (ie, from left to right, level by level from leaf to root). ...
分类:编程语言   时间:2017-07-18 16:53:43    阅读次数:224
(LeetCode)二叉树中和为某一值的路径
原体例如以下: Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the give ...
分类:其他好文   时间:2017-07-16 20:21:13    阅读次数:206
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