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圆上两点连线段如何连到圆外面去？？In Reply To:【题目大意】：一个圆上有N个点，顺时针从0到N-1排列。给出M条线连接两个点，要么在圆外要么在圆内，判断给出的所有线段是否不规范相交。 Posted by:linmeng at 2009-08-07 20:05:17 Followed by:
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