hdu 3395

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HDU 3395 Special Fish（拆点+最大费用最大流）

Special Fish Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2367 Accepted Submission(s): 878 Problem Description There is a kind of special fish in the East Lake where is closed to campus o…

KM裸题每个鱼都认为自己是雄性,而且会攻击它认为是雌性的鱼,每个鱼只能被攻击一次,被攻击后会产卵(个数是给的两条鱼的值的异或运算) #include<string.h> #include<stdio.h> #define N 110 #define inf 0x3fffffff int map[N][N],lx[N],ly[N],sx[N],sy[N],n,d[N],cont[N],match[N]; int find(int x) { sx[x]=1; for(int i=0;…

[ACM] HDU 3395 Special Fish （最大重量二分图匹配，KM算法）

Special Fish Problem Description There is a kind of special fish in the East Lake where is closed to campus of Wuhan University. It's hard to say which gender of those fish are, because every fish believes itself as a male, and it may attack one of s…

HDU 3395 Special Fish 最“大”费用最大流

求最大费用能够将边权取负以转化成求最小费用. 然而此时依旧不正确.由于会优先寻找最大流.可是答案并不一定出如今满流的时候.所以要加一些边(下图中的红边)使其在答案出现时满流. 设全部边的流量为1,花费例如以下图所看到的. 显然最大花费是1001.而没有红边的情况下会得到3. #include <algorithm> #include <iostream> #include <cstring> #include <cstdlib> #include <c…

hdu 3395(KM算法||最小费用最大流(第二种超级巧妙))

Special Fish Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2189 Accepted Submission(s): 826 Problem Description There is a kind of special fish in the East Lake where is closed to campus of…

【转载】图论 500题——主要为hdu/poj/zoj

转自——http://blog.csdn.net/qwe20060514/article/details/8112550 =============================以下是最小生成树+并查集======================================[HDU]1213 How Many Tables 基础并查集★1272 小希的迷宫基础并查集★1325&&poj1308 Is It A Tree? 基础并查集★1856 More i…

转载：hdu 题目分类（侵删）

转载:from http://blog.csdn.net/qq_28236309/article/details/47818349 基础题:1000.1001.1004.1005.1008.1012.1013.1014.1017.1019.1021.1028.1029. 1032.1037.1040.1048.1056.1058.1061.1070.1076.1089.1090.1091.1092.1093. 1094.1095.1096.1097.1098.1106.1108.1157.116…