A better description for this problem can be found at http://joonprogramming.blogspot.com/2016/04/google-code-jam-qualification-round-1a_17.html We have to find an NXN matrix, without repeating numbers at any row or column that must be ordered. And we have 2*N-1 strips of scrambled numbers, which can be rows or columns. The problem is to find what the missing strip is (notice that a NXN matrix has 2*N strips).
Which values occur exactly three times?
Find common elements in matrix rows
Specific Element Count
Back to basics 21 - Matrix replicating
convert matrix to single column
Slitherlink II: Gimmes
GJam 2011 Africa Qualifier B: Optimum Profit
GJam: 2013 Rd1a Bullseye Painting - Large Numbers
Maximum Intra-Vector Swaps
Maximize Non-Co-Planar Points in an N-Cube
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