Advent of Code 2025

Learn
1

Please post your repo here if you’re doing it.

I tend do enjoy reading other people’s solutions, usually I always learn from it.

Here’s my day 1 solution: multi-playground/aoc/2025/haskell/Day01.hs at 36057441c62acbf42b6b382465886141ba165eb1 · benjamin-thomas/multi-playground · GitHub

I had a hunch I could use mod, but I wanted to try something different and represent a “ring” instead and try to have “inspectable” output at each step.

I learned about scanl and mapAccumL, pretty cool.

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Mine will be here as I complete them

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I’m active on lemmy: https://programming.dev/c/advent_of_code and am posting my solutions in the daily solution threads.
There are also some other Haskell solutions, for Day 1, I think there were three or four.

Direct-Link to my Solution in the Day 1 Megathread

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I’m using this to brush up on Rust this year. Probably doing everything in Haskell first, then translating. Repo is here. It’s a fairly nice setup with a Nix flake (haskell.nix + crane) and tasty-golden for tests.

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Here are a couple of solutions using clash-prelude:) TristanCacqueray/advent-of-clash - Codeberg.org . It’s not very practical, but it works!

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I’m trying Haskell, C, and Sqlite here!

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I’m lightly attempting to write solutions in type-level Haskell, using Symparsec for the parsing (and praying that the problems stick to integers and lists). Repo and day 1: aoc-2025/src/Raehik/Aoc2025/Solutions/Day01.hs at main · raehik/aoc-2025 · GitHub

It took about 5 minutes for the part 1 program to complete. But it did work!

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My solutions are here: GitHub - sjoerdvisscher/aoc25: Advent of Code 2025

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Here are my solutions: advent-of-code/2025 at main · jotaalvim/advent-of-code · GitHub

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I did my first live stream live coding my solution for Day 4. I’ll be doing it again for Day 5 in just over an hour.

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My solutions are here: GitHub - mpilgrem/aoc-solutions: My Haskell solutions to Advent of Code puzzles

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You can find my solutions here: Only the first four days are in Haskell. I switched to Futhark afterwards because I wanted to try and learn something new.