You really need to supply more test cases if you want to go far in software engineering...
This is just lame, and without a proper test case.
Terrible test set.
like a joke
Reverse Run-Length Encoder
Back to basics 8 - Matrix Diagonals
Back to basics 14 - Keywords
Given a 4x4 matrix, swap the two middle columns
Get the length of a given vector
Rotate a Matrix
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