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为什么你会觉得凹进去之后长度会比直线小23333333

Posted by haqishen at 2015-01-24 08:41:01 on Problem 1113
In Reply To:此题没要求围墙必须是凸的吧?那对于凹多边形,应该出现凹进去的围墙啊???难道不是这样? Posted by:zhouxu520 at 2014-04-16 09:09:03


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