I think it's a bit confusing at least for beginner. But it is a good example for using fallthrough switch.

Any tips, I tried memoization but it turn out to have duplicates problem. I can't get rid of it.

Kotlin Translation here -- Please review and approve

Which language? I don't know if this is my problem too.

Try to write in down and move variable around the equation. I hope this will help.

This is absolutely simple.

My one failed random test, my code return None in some case. Is there any inconsisting whitespace? Such as

"Despair's team :Quaffle , LolHope : Caught snitch"

Edit: I use Python