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这题有古怪。。。。1 0 1 1 5 0 0 2 0 2 2 1 1 0 2 这数据的答案是4.414214吧，找了别人AC的代码，答案却1， 哪里理解错了么。。。。。要考虑多边形的方向么.... Followed by: Post your reply here: |
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