the in calls contains, so use contains is just more fast?

;)

don't mutate the input ;p

Wish the description would have put it that clearly.

Don't be jelly ya bum!

It has no deep meaning. The "solution" is invalid. Probably engineered to pass the random tests most of the time.

Nothing, really. The "solution" is invalid. Probably engineered to pass the random tests most of the time.

This "solution" is invalid. It just happens to pass the tests most of the time, depending on which random numbers come up.

For example, it returns 1 for [0, 660], but the correct answer would be 0.

Someone should update the tests to kill this abomination.

Ha! been some time... everything for the points!

o_O

what is so special about 2x2x5x3x11?

@Jomopipi ~ yes! it's a lot of fun when you're on a long drive with someone... just gotta not fight about remembering which words have already been used ;)

but for some reason everyone votes as usual )