Programmer Humor

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I just ask my problem bro...chill.... (lemmy.world)

submitted 7 months ago by devilish666@lemmy.world to c/programmer_humor@programming.dev

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[–] exocrinous@startrek.website 9 points 7 months ago (1 children)

I'm clearly not understanding the problem, because I think the only answer is 14!. What am I getting wrong?

[–] ImplyingImplications@lemmy.ca 18 points 7 months ago* (last edited 7 months ago)

The question is about "superpermutations". The permutations of 1 and 2 are "12" and "21". A "superpermutation" would be "1221". It contains the numbers 1 and 2 as well as all permutations of 1 and 2. However "121" is also a superpermutation of 1 and 2. It also contains "12" and "21" and it's shorter than "1221".

The problem is finding the shortest superpermutation. Stand-up Maths has a video where he interviews a mathematician that published Anonymous' solution. So yes, there is a math paper where the main author is "Anonymous 4chan Poster".