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谁说不严格?看看这组数据

Posted by flans39 at 2013-06-30 15:02:44 on Problem 3968
In Reply To:关键词:(n-1)/2 ; long double ; 1e-6 ; 不严格 Posted by:ragnarok2012 at 2012-10-07 21:13:28
任意四边形,答案是1

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