Duplicate a character 'n' times.
Example 1: str='a' n=5
Example 2: str='*' n=3
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.
The Goldbach Conjecture
Stuff the Board
Convert a vector into a number
Getting the indices from a vector
Reverse the elements of an array
Remove entire row and column in the matrix containing the input values
Moving average (variable kernel length)
Insert zeros into vector
Change the sign of even index entries of the reversed vector
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