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Re:此题很奇怪

Posted by littlezhao at 2010-06-24 17:45:53 on Problem 3177
In Reply To:此题很奇怪 Posted by:liguanbin at 2009-04-09 03:39:04
> 如果
> 2 1
> 1 2
> 则输出1?
> 这样的话这条边加在哪呢?
自己到自己算吗?

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