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Discussion of Problem 1305. Convex Hull

Help,who can give me some tests?
Posted by ABCDEFG 31 Oct 2004 16:35
sorry ,no problem now.

Edited by author 31.10.2004 18:45
Re: Help,who can give me some tests?
Posted by ABCDEFG 31 Oct 2004 16:38
Is the coordinates integer or real?
Re: Help,who can give me some tests?
Posted by ABCDEFG 31 Oct 2004 18:43
Warning!!!!!!!!!!!!!

Everybody who see this should notice that if there's only one vertex,you should output it's coordinate.