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
Convert Fahrenheit to Celsius
Symmetry of vector
Insert zeros into vector
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
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