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一个点 和没有回路的情况

Posted by tanzhangwen at 2008-11-06 10:58:20 on Problem 2288
In Reply To:Re:mmd,有1个点的情况，而且要用int64～～ Posted by:R2D2 at 2008-07-15 16:30:33 
居然没有看到这 
wa得哭了
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