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Re:竟然还是个圈。。。

Posted by yayu_myself at 2009-09-08 15:07:20 on Problem 2137
In Reply To:竟然还是个圈。。。 Posted by:daxiong at 2009-04-09 19:36:38
> DP起来太麻烦了,我是先把第一个固定,然后再DP,最后一个单独DP(因为要求两个方向的距离)。大家是怎么做的?

也是这样做的。。但是固定的是最后一行的。。。但是。。wa了。。不知道哪组数据没过。。数据少得可怜。。

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