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【LeetCode】Course Schedule II 解题报告
【题目】 There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is exp...
分类:其他好文   时间:2015-05-19 19:09:54    阅读次数:134
【LeetCode】Course Schedule 解题报告
【题目】 There are a total of n courses you have to take, labeled from 0 to n - 1. Some courses may have prerequisites, for example to take course 0 you have to first take course 1, which is exp...
分类:其他好文   时间:2015-05-19 19:08:51    阅读次数:177
poj2838 Graph Connectivity
Graph Connectivity Time Limit: 8000MS   Memory Limit: 131072K Total Submissions: 3381   Accepted: 883 Case Time Limit: 3000MS Description Let us consider an undirect...
分类:其他好文   时间:2015-05-19 07:16:12    阅读次数:103
DFS/并查集 Codeforces Round #286 (Div. 2) B - Mr. Kitayuta's Colorful Graph
题目传送门 1 /* 2 题意:两点之间有不同颜色的线连通,问两点间单一颜色连通的路径有几条 3 DFS:暴力每个颜色,以u走到v为结束标志,累加条数 4 注意:无向图 5 */ 6 #include 7 #include 8 #include 9 #include 1...
分类:其他好文   时间:2015-05-18 18:35:39    阅读次数:178
php 函数
字符串类型验证ctype_alnum— 做字母和数字字符检测ctype_alpha— 做纯字符检测ctype_cntrl— 做控制字符检测ctype_digit— 做纯数字检测ctype_graph— 做可打印字符串检测,空格除外ctype_lower— 做小写字符检测ctype_print— 做可...
分类:Web程序   时间:2015-05-18 18:09:44    阅读次数:135
(tajan+floyd) zoj 3232
It's not Floyd AlgorithmTime Limit:4 Seconds Memory Limit:32768 KBWhen a directed graph is given, we can solve its transitive closure easily using the...
分类:其他好文   时间:2015-05-18 14:19:48    阅读次数:129
Efficient Graph-Based Image Segmentation
转:http://blog.csdn.net/asongoficeandfire/article/details/8434799Efficient Graph-Based Image Segmentation是2004年由Felzenszwalb发表在IJCV上的一篇文章。主要介绍了基于图表示的图像...
分类:其他好文   时间:2015-05-17 18:28:10    阅读次数:266
Graph Cut
转自:http://blog.csdn.net/zouxy09/article/details/8532111Graph Cut,下一个博文我们再学习下Grab Cut,两者都是基于图论的分割方法。另外OpenCV实现了Grab Cut,具体的源码解读见博文更新。接触时间有限,若有错误,还望各位前辈...
分类:其他好文   时间:2015-05-17 18:24:55    阅读次数:129
Graph Cut 简介
转:http://www.cnblogs.com/longdouhzt/archive/2012/05/11/2496373.html【简介】Graph Cuts 不等于 graph cut(如 min cut、normalized cut、RatioCut),是最近在计算机视觉中研究和应用比较多的...
分类:其他好文   时间:2015-05-17 18:11:24    阅读次数:161
ACM学习历程—NPU1045 2015年陕西省程序设计竞赛网络预赛(热身赛)C题 Graph Theory(递推 && 组合数学 && 大数)
DescriptionIn graph theory, a matching or independent edge set in a graph G = (V , E) is a set of edges ME such that no two edges in the matching M sh...
分类:其他好文   时间:2015-05-17 12:04:26    阅读次数:127
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