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Re:注意夹角为π的情况In Reply To:注意夹角为π的情况 Posted by:heben99 at 2007-08-18 12:30:39 > 夹角为π时应该返回0 如果你指的是整个多边形对原点的张角为π，那结果不应该是 π * k * h 么？ 如果指的是某一条边对原点张角为π，那就表示这条边经过原点，这应该是不符合题目描述的吧。我试了一下，觉得测试数据中应该没有这样的情况。 Followed by:
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