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这么做可以吗。。

Posted by qiaokan at 2008-04-30 15:15:31 on Problem 2289
2分结果。。。
以这个结果给图中添加边
从源点连到每个人一个容量为1的边
人和集合之间连容量为1的边(如果有属于的关系)
以2分得结果给集合的点于汇点连边,边容量的大小取2分得那个值和集合容量的较小值

wa了
不知这么做错在那里?

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