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Discussion of Problem 1109. Conference

no upper limit on k
Posted by Baz 5 Nov 2011 17:31
Since my solution got AC, there IS a limit on k... or the tests are too weak.
Re: no upper limit on k
Posted by lalala 22 Jun 2019 11:58
If the pairs are all different, there will be at most M*N different pairs.(but it doesn't say it...)