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Discussion of Problem 1305. Convex Hull

why wa#5?
Posted by Crash_access_violation 13 Feb 2008 21:00
I use Grakham algorithm and got WA#5... Please anyboby give me some tests... thanks...
Re: why wa#5?
Posted by Aleksa_Markoni 12 May 2008 23:21
Me too got WA#5... Can somebody help pls? I dont see the problem. Could it be vertecs on the same line.