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转化为补图,补图中有边的说明是不为识的,那么想要剩下的人都认识,就得把边去掉,也就是去掉最少的点使所有的边都去掉,就是最小路径覆盖,最小路径覆盖数等于最大二分配匹数。

Posted by yygy at 2012-11-23 01:50:38 on Problem 3692


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