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Re:给个数据

Posted by ysy20021208 at 2017-08-15 14:54:45 on Problem 3342
In Reply To:给个数据 Posted by:neverchanje at 2014-02-16 14:11:27 
> 7
> 5
> 1 3
> 2 3
> 6 4
> 7 4
> 4 5
> 3 5
> 
> 5 Yes
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