agreed

You said nothing more, than the clarification, of which is the expected, and which is the user's solution output. But is it not also useful for the user, to see what the value of the input was?

Addresed all points to the best of my ability

No random tests?

tough nut

Beautiful, very readable. Just checked and my suspicion was right, the 3rd branch isn't even necessary.

what a sexy solution, I must admit

Holy crap, this one was much more difficult than for me than it had to be I feel. I once again hope no one accidentally looks at my solution and get's eye cancer

Quite amazed at the sheer diversity of solutions written in rust :)

same here

the test cases in the preview expect different return values than the tests when submitting, this is very confusing..

very sexy

I agree with people here, 7kyu seems more appropriate.

agreed

Damn I had this in school and thought it would be an easy one, boy was I wrong..

One of those problems that is easy to solve as a human, but really hard to express in code (at least for me).

I will go to hell for the abomination of a solution I have dropped here