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.
Make a Palindrome Number
Test if two numbers have the same digits
Free passes for everyone!
Sum of the Matrix Elements
Change the sign of even index entries of the reversed vector
Sort complex numbers into complex conjugate pairs
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