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Problem Clone Graph
Problem Description:Clone an undirected graph. Each node in the graph contains alabeland a list of itsneighbors.Solution: 1 public UndirectedGraph...
分类:其他好文   时间:2014-07-07 16:11:57    阅读次数:192
简单图模板 Graph
仿写 networkx 的功能 # -*- coding: cp936 -*- ''' 简单图 Graph: 要求: 关于节点: 功能1.add_node: 通过 add_node 一次性加一个节点 字符串,数字,任何可以被哈希的 python 对象都可以当做节点 ...
分类:其他好文   时间:2014-07-01 08:15:24    阅读次数:281
UVA 784 Maze Exploration
题目如下: Maze Exploration  A maze of rectangular rooms is represented on a twodimensional grid as illustrated in figure 1a. Each point of thegrid is represented by a character. ...
分类:其他好文   时间:2014-07-01 06:57:08    阅读次数:231
Clone Graph
题目 Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors. OJ's undirected graph serialization: Nodes are labeled uniquely. We use # as a separa...
分类:其他好文   时间:2014-06-30 09:01:23    阅读次数:197
mxGraph绘图区域使用鼠标滚轮实现放大/缩小
// 重写鼠标滚轮事件 mxEvent.addMouseWheelListener = function (funct) { } // 增加初次加载事件 window.onload = function () { var element= document.getElementById('graph'); addScrollListener(element, wheelHa...
分类:其他好文   时间:2014-06-28 09:06:26    阅读次数:311
LA 5031
Graph and QueriesTime limit: 3.000 secondYou are given an undirected graph withNvertexes andMedges. Every vertex in this graph has an integer value as...
分类:其他好文   时间:2014-06-27 15:37:28    阅读次数:239
UVA11090 Going in Cycle!! (二分+SPFA判断有无负权)
I I U P C 2 0 0 6 Problem G: Going in Cycle!! Input: standard input Output: standard output   You are given a weighted directed graph with n vertices and...
分类:其他好文   时间:2014-06-27 08:07:16    阅读次数:183
双缓冲
packagecom.example.examples_05_12;importandroid.content.Context;importandroid.graphics.Bitmap;importandroid.graphics.Bitmap.Config;importandroid.graph...
分类:其他好文   时间:2014-06-26 17:37:58    阅读次数:188
LeetCode: Clone Graph [133]
【题目】 Clone an undirected graph. Each node in the graph contains a label and a list of its neighbors. OJ's undirected graph serialization: Nodes are labeled uniquely. We use # as a separator for each node, and , as a separator for node label and each ne...
分类:其他好文   时间:2014-06-26 06:48:16    阅读次数:285
POJ 2553 The Bottom of a Graph TarJan算法题解
本题分两步: 1 使用Tarjan算法求所有最大子强连通图,并且标志出来 2 然后遍历这些节点看是否有出射的边,没有的顶点所在的子强连通图的所有点,都是解集。 Tarjan算法就是模板算法了。 这里使用一个数组和一个标识号,就可以记录这个顶点是属于哪个子强连通图的了。 然后使用DFS递归搜索所有点及其边,如果有边的另一个顶点不属于本子强连通图,那么就说明有出射的边。 有难度的题目: ...
分类:其他好文   时间:2014-06-25 07:19:31    阅读次数:241
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