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Re:线能连到格子外面去吗?

Posted by acvay at 2015-08-03 15:04:36 on Problem 2308
In Reply To:线能连到格子外面去吗? Posted by:lympanda at 2005-03-20 13:51:09
> 比如,这2个A能不能连?
> 
> AB*
> BBA
事实证明是不行的
3 4
ABA
BAB
ABA
BAB
这个样例是no

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