Most halal code ever.

You said it! A problem which can be solved in one intended direction is inherently more difficult.

So that's how map works.

A very wordy problem with a very simple solution. Consider rewriting the problem to make it more readable, free from punctuation and grammatical errors.

I feel like an idiot for not coming up with this myself!

Yeah, I almost missed that, too.

There seems to be some data type issue with the C++ version of this kata. Extended test no. 3 returned -9223372034854775809 despite me making all in-function variables long.

Nothing feels better than succeeding at something, no matter how small!

I'm here to train my fundamental coding skillz, not to showcase flourishes that I don't possess yet. To hell with "creativity"; it can wait until later.

I don't get it at all.