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Re:对input的数据集不大懂~求解释

Posted by ligun123 at 2013-04-11 17:49:33 on Problem 1037
In Reply To:Re:对input的数据集不大懂~求解释 Posted by:ligun123 at 2013-04-11 16:30:48

> 
> N说明有1~N个长度单位的木板
> C是第C个围栏
>  这一句是怎么理解的呢？
> Fence A (represented by the permutation a1, . . . , aN) is in the catalogue before fence B (represented by b1, . . . , bN) if and only if there exists such i, that (any j < i) aj = bj and (ai < bi).
懂了，求人不如求己啊~~

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