I do understand what you mean, and in general I agree, but in this specific example making it faster doesn't require "optimizing" anything! If I am understandin

I do understand what you mean, and in general I agree, but in this specific example making it faster doesn't require "optimizing" anything! If I am understanding correctly the "naive" algorithm here is the fast one, so it takes more effort to make it slow than it does to make it fast.