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Discussion of Problem 1506. Columns of Numbers

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Pretty shit task Andrew Sboev 9 Jul 2012 11:40
Some tests

7 2
1 2 3 4 5 6 7
Answer
1 5
2 6
3 7
4


7 6
1 2 3 4 5 6 7
Answer
1 3 4 5 6 7
2
Re: Pretty shit task TinyJanssen 9 Feb 2013 04:41
This  answer  can't be right.
Only  the last column may be smaller.
Here 5 columns are smaller.
Re: Pretty shit task Andrew Sboev [USU] 9 Feb 2013 11:45
OK, second test is not correct, I think now.