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.
Determine whether a vector is monotonically increasing
So many choices
Remove the two elements next to NaN value
Celsius to Fahrenheit converter
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
Symmetry of vector
Remove entire row and column in the matrix containing the input values
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