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Discussion of Problem 1280. Topological Sorting

another tricky test case incase you get WA but don't know what to do . . .
Posted by Sam Green 27 Apr 2007 09:31
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the answer must be "NO", not "YES"

Edited by author 27.04.2007 09:34
Re: another tricky test case incase you get WA but don't know what to do . . .
Posted by Skeef79 12 Jun 2019 21:59
My Program says "YES" and i got accepted