Not the most readable solution, but it looks professional:)

looks like it's done in both description and fixed tests

looks fixed

too much worked

It makes me happy to see the other C solutions also looke like crap :-)

Good kata though!

This is the correct "best practices" solution.

Fixed

Fixed

I am starting to understand why this works. But starting from Euler's, how did you get here? And why is it that we don't have to check if i is prime?

C test code has compilation warnings.

#include needed in C++ to compile attempt. Fix it in tests plz

metric system pleaseeee

for second line of WHERE code...

NOT quality2 can also be written as <> 'evil'

also works: != 'evil'

I had the same issue.