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Re:吐血啊 WA十几次 谁能帮忙瞧一下哇

Posted by bjtu1 at 2009-07-18 14:22:53 on Problem 2187
In Reply To:吐血啊 WA十几次 谁能帮忙瞧一下哇 Posted by:Fynable at 2008-09-09 19:41:00
求凸包算法有误,你只求了上凸包,而没有求下凸包。。。。

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