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为什么你会觉得凹进去之后长度会比直线小23333333In 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 Followed by: Post your reply here: |
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