【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...
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其他好文 时间:
2015-05-19 19:09:54
阅读次数:
134
【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
Graph Connectivity
Time Limit: 8000MS
Memory Limit: 131072K
Total Submissions: 3381
Accepted: 883
Case Time Limit: 3000MS
Description
Let us consider an undirect...
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其他好文 时间:
2015-05-19 07:16:12
阅读次数:
103
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...
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其他好文 时间:
2015-05-18 18:35:39
阅读次数:
178
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...
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Web程序 时间:
2015-05-18 18:09:44
阅读次数:
135
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...
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其他好文 时间:
2015-05-18 14:19:48
阅读次数:
129
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...
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其他好文 时间:
2015-05-17 18:28:10
阅读次数:
266
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...
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其他好文 时间:
2015-05-17 18:24:55
阅读次数:
129
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...
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其他好文 时间:
2015-05-17 18:11:24
阅读次数:
161
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...
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其他好文 时间:
2015-05-17 12:04:26
阅读次数:
127