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POJ 3281-Dining(网络流_最大流_ISAP算法+拆点)
Dining Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 9938   Accepted: 4567 Description Cows are such finicky eaters. Each cow has a preference for certai...
分类:编程语言   时间:2015-01-19 09:22:19    阅读次数:208
POJ: 2413 ——优先队列——结构体cmp函数一级排序
我要翻译题目!!!/*A group of cows grabbed a truck and ventured on anexpeditiondeep into the jungle. Being rather poor drivers, the cows unfortunately managed...
分类:编程语言   时间:2015-01-18 19:41:57    阅读次数:394
网络流小结
一, 最大流1)拆点①满足个体自身的限制POJ 3281 Dining最多多少奶牛可以选到心仪的食物和饮料。 因为每个奶牛对答案的贡献至多为一, 所以把每头奶牛拆成两个点, 连一条容量为一的边就可以了。SPOJ 962 Intergalactic Map这道题告诉我们网络流可以求 是否存在一条经过 ...
分类:其他好文   时间:2015-01-17 19:29:10    阅读次数:161
POJ 3615 Cow Hurdles (Floyd算法)
Cow Hurdles Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 6142   Accepted: 2752 Description Farmer John wants the cows to prepare for the county jumpin...
分类:编程语言   时间:2015-01-15 00:30:35    阅读次数:247
POJ 2226-Muddy Fields(二分图_最小点覆盖+神建图orz)
Muddy Fields Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8434   Accepted: 3124 Description Rain has pummeled the cows' field, a rectangular grid of R r...
分类:其他好文   时间:2015-01-14 18:03:16    阅读次数:259
POJ3667---Hotel
Hotel Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 12673   Accepted: 5453 Description The cows are journeying north to Thunder Bay in Canada to gain cul...
分类:其他好文   时间:2015-01-11 16:16:47    阅读次数:269
(简单) POJ 3667 Hotel,线段树+区间合并。
Description The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a vacation on the sunny shores of Lake Sup...
分类:其他好文   时间:2015-01-07 23:29:31    阅读次数:341
【POJ3281】Dining 网络流
题意:n牛m食品p饮品 第牛有ai种可行食品,bi种可行饮品 现在进行搭配,一头牛如果既有一份可行食品又有一份可行饮品就称为被满足。 求最多满足。 题解: 别忘了牛拆点、 代码: #include #include #include #include #include #include #define N 405 // 网络图中点 #define G 50...
分类:其他好文   时间:2015-01-07 10:59:56    阅读次数:245
POJ-2431 优先队列
ExpeditionTime Limit:1000MSMemory Limit:65536KTotal Submissions:7575Accepted:2234DescriptionA group of cows grabbed a truck and ventured on an expedit...
分类:其他好文   时间:2015-01-05 11:07:21    阅读次数:116
POJ 2481 Cows 简单树状数组区间覆盖
点击打开链接 Cows Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 13334   Accepted: 4413 Description Farmer John's cows have discovered that the c...
分类:编程语言   时间:2015-01-04 21:23:10    阅读次数:170
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