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数据很水啊,居然0ms~ O(n^2)思路

Posted by 2008022118 at 2010-04-14 22:47:17 on Problem 1106
输入时去掉在圆外的,然后枚举每一点,求出其关于圆心对称点,然后判断其他点是否在直径的同侧。O(n^2)

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