How does natural join work?

The procedural way

This solution is awesome

Hint: operator overloading

Clever solution indeed!

The guy is a time traveler

Beautiful solution! :D

Thank you Chrono79, I never realized my update was wrong because of a off-by-one error :O

If you're gonna claim something like this, at least explain why

The translation has been updated to guarantee that lowercase letters will appear no more than 9 times

Yeah, you're right, I might have forgotten to read that part. I'll edit the solution to comply with that requirement

Javascript translation submitted, please review and approve!

I like this solution, it reminds me of shell scripting xD

Clever solution? Of course.
Best practices? Not at all...

I love this solution