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是真的吗

Posted by ecjtubaowp at 2007-08-25 11:15:04 on Problem 3355
In Reply To:Notice the coordinates are real numbers. And the coordinates you output must be exactly the same as the point in the input. Posted by:contest_clarificator at 2007-08-25 11:05:29
> that means if one point on the convex hull is (0.000,0.000) in the input, you may not output (0,0) or (0.00,0.00).

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