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.
surface of a spherical planet
Filter AC, pass DC
MATCH THE STRINGS (2 CHAR) very easy
Symmetry of vector
Matlab Basics II - Minimum
Insert zeros into vector
Change the sign of even index entries of the reversed vector
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