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Re:用向量叉积来做,不会有浮点误差.In Reply To:用向量叉积来做,不会有浮点误差. Posted by:00448242 at 2005-07-24 12:01:34 这题结束条件很特别的说,我拿起来就一while(scanf() != EOF),白WA了两次. Followed by:
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