Need a better test suite to prevent cheesy solutions like this one. :-) Some N>10 values in there would help. N>50 would be even better.
Remove any row in which a NaN appears
Calculate the Hamming distance between two strings
length of a vector
Find the nearest prime number
Smallest n, for n! to have m trailing zero digits
The number of trailing zero digit of a factorial
Under the sea: Snell's law & total internal reflection
Number of paths on a 3d grid
Fractal: area and perimeter of Koch snowflake
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