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Re:这组数据错了,还是A了

Posted by 0810xk at 2010-08-23 19:02:15 on Problem 3259
In Reply To:这组数据错了,还是A了 Posted by:407811696 at 2010-08-20 18:39:04

> 5 1 3
> 3 4 1
> 4 5 1
> 5 3 1
> 3 1 3
> 
> 答案 YES
这组数据是错误的，因为首先就没有从1到3的路，到不了3，就不可能从3回到1！

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