Is this Test correct?
4 3
1 2 3 4

>>
   1   3
   2   4

my AC prog. gives me that answer because

1 2 3
___4
isn't correct 100%.
{same test 16 5}

Edited by author 09.04.2008 23:39

There are some numbers n and k, that there is not any correct solution. Probably your case is one of them.

P.S. See my post.

My AC program show :
1 3 4
2