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要是所有的顾客拥有的钥匙不能保证打开所有的猪圈,那这样做应该有问题

Posted by huicpc21 at 2006-08-14 10:35:08 on Problem 1149
In Reply To:Re:请教网络流的做法 Posted by:rruucc at 2003-06-06 14:06:29
RE:
不知道这道题目是不是可以用带权二分图的匹配做呀?

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