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这题有N2的算法吗,我只能想到N2LOGN的

Posted by uni at 2005-07-25 00:16:27 on Problem 1981
In Reply To:ft,居然让我碰对了 Posted by:frkstyc at 2005-05-23 23:00:07
> 我都不知道为什么会ac,本来想加一个优化,确定圆的两个点就不判断了,结果死活wa,去掉这个优化居然就ac了

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