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Re:这题就是判断凸多边形吗？

Posted by sdfond at 2009-03-29 11:08:31 on Problem 1584
In Reply To:这题就是判断凸多边形吗？ Posted by:ybbaigo at 2008-09-13 16:21:24 
不是纯粹的凸多边形，多个顶点共线也满足条件。
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