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2:20 PM
Not sure how it took me a year and a half to remember to write this tip
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A: Tips for golfing in Jelly

Unrelated StringHead/tail after vectorizing operations Credit to Jonathan Allan for this trick--it just so happens that he taught it to me on the very same solution that inspired my previous tip. Jelly's one-byte builtins for the first and last element of a list, Ḣ and Ṫ, (in)famously mutate the list they're giv...


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