Rounding off a positive number to the next nearest multiple of 5

Question

I need to round of a number (the input is guaranteed to be an integer & is positive) to the next multiple of 5.

I tried this:

int round = ((grade         


        

Answer 1

This is my solution using cmath::abs

int rounded = n + abs((n % denom) - denom);

You can change the denom with any other denomination you want