[eru]

I know they ask, but it's really easy to find solutions online.

For what it's worth, when I was doing Project Euler myself, I never had a problem _not_ looking up solutions.

[wesselbindt]

Just because a bus stop already has a broken window does not make it ok to smash in another.

[eru]

Yes, but it's also a bit like closing the barn door after the cows have escaped.