Additional test cases have been added.
Find relatively common elements in matrix rows
Remove the polynomials that have positive real elements of their roots.
Counting in Finnish
Back to basics 7 - Equal NaNs
Sum the Digits of a Number
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Set some matrix elements to zero
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
Sophie Germain prime
Return unique values without sorting
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