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第四组错了吧

Posted by 1264310280 at 2011-07-14 05:28:59 on Problem 2186
In Reply To:过了~~激动~~~提供些自己做的数据。 Posted by:zxy_snow at 2011-01-17 22:18:24
我觉得第四组数据错了吧,因为1 2 3 联通 但是1->4 ->5这个的话就是没有办法是所有的cow认为某一个cow  popular。

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