This was a fun problem, but I think lookup table solutions are possible given the way the way the test suite is configured. Maybe you could add a string parser to see if the test suite correct solutions are included in the answer code?
First non-zero element in each column
Who is the smartest MATLAB programmer?
nth Rational Number
Back to basics - mean of corner elements of a matrix
ASCII Birthday Cake
Return the sequence element II
Identify the sequence
Number construction II
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