this post was submitted on 05 Dec 2024
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The Haskell Unfolder Episode 37: solving Advent of Code 2024 day 4 (well-typed.com)
submitted 2 weeks ago by Noughtmare@programming.dev to c/haskell@programming.dev
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[โ€“] wewbull@feddit.uk 1 points 2 weeks ago (1 children)

When you're given an array of characters, and your first step is "I'm going to store that in a map of (int , int) -> char" I think you need to question your methods.

[โ€“] Noughtmare@programming.dev 1 points 2 weeks ago

Why? They immediately explain that the difference in performance would not be significant on such a small problem and I see no other reason to prefer arrays over maps.