Please add more cases to the test suite, or else it is trivial to solve this problem.
Rafael is right and since you made this into a badge problem it is even more essential to fix this
Find common elements in matrix rows
Back to basics 11 - Max Integer
Find nearest prime number less than input number
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Length of a short side
Find Logic 26
Find Logic 29
Find Logic 20
Find Logic 30
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