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把atan2去掉,输入输出改成C的,还是没N^2的快……

Posted by Gyber at 2012-01-25 11:21:54 on Problem 2451
In Reply To:为啥这道题N^2比nlogn的还要快啊 Posted by:Gyber at 2012-01-25 04:52:54


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