n is a nonnegative interger.may it be the largest problem that i meet.
My initial solution with repelem(str,n) for n=0 creates a size 1x0 char class but suite only allows for a 0x0 class. Not sure why the difference would matter.
Find the alphabetic word product
Sum all integers from 1 to 2^n
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How many jokers?
Swap two numbers
Moving average (variable kernel length)
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
Remove entire row and column in the matrix containing the input values
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