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.
Clean the List of Names
give nth decimal place of pi
Stuff the Board
Insert zeros into vector
Sum of odd numbers in a matrix
Moving average (variable kernel length)
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
Symmetry of vector
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