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.
Bottles of beer
2 b | ~ 2 b
Determine the number of odd integers in a vector
Sum the numbers on the main diagonal
Do Fast Fourier Transformation
Insert zeros into vector
Moving average (variable kernel length)
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