you saved the planet!

• Scrutinized tests

• Made initial solution setup compiled

• Used annotations

• Added useful assertion messages

I count 5 (before the comment)

you used 2 spaces

What's up with this syntax & indenting though...

I just hope that whoever voted this as "Best Practices" did it only for the memes

You have to return the answer, not just print it

Kotlin translation

They are required if you have multiple arguments or no arguments, in this case, it wasn't required but he put it anyway.

But they can be? The second example has a negative, and so do some of the test cases.

Your teammates and your papers can not be negative.

I also did the same thing. My thinking was to have actual implementation first, then the exceptional case.