摘要：
http://acm.hdu.edu.cn/showproblem.php?pid=3395A fish will spawn after it has been attacked. Each fish can attack one other fish and can only be attacked once.用KM,当时用最小费用最大流的时候老是WA看了AC神的 blog http://hi.baidu.com/aekdycoin/blog/item/3bc9df1fa2327d1340341755.html !!! 以后构图注意了代码(第一个最大费用最大流):#include<i 阅读全文
