> But I don't play the game correctly any way: instead of trying to solve the problems as fast as I can, ...
FYI trying to solve the problems as fast as you can is not considered "the correct way". The author has emphasized multiple times that going for the leaderboard is not for everyone and requires a pretty questionable coding style. The main goal is to have fun and learn something new.
I do not disagree, but the fact that this is the only leaderboard that can be implemented does not imply that one needs to be implemented in the first place.
FYI trying to solve the problems as fast as you can is not considered "the correct way". The author has emphasized multiple times that going for the leaderboard is not for everyone and requires a pretty questionable coding style. The main goal is to have fun and learn something new.