advent-of-code
aoc2021
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advent-of-code | aoc2021 | |
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17 | 32 | |
- | 26 | |
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- | 0.0 | |
- | about 1 year ago | |
Kotlin | ||
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advent-of-code
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-❄️- 2023 Day 6 Solutions -❄️-
My solution in Common Lisp.
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[2022 Day 16] Cave Layout in Graphviz (potential spoilers)
Dot file generated by my code and then run through fdp from Graphviz.
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[2022 Day 12] Elevation Shading
Just a simple relief-shaded image like you might find on a map. Principally generated with GDAL. The particular commands used are at the bottom of my solution code for the day. I also made a more flat version, which shows the elevation colors better, but really doesn't feel right in terms of elevation.
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[2022 Day 9 (Part 2)] Pulling an Elastic Rope
The code is written in Common Lisp using Cairo and ffmpeg. https://gitlab.com/asciiphil/advent-of-code/-/blob/master/2022/09.lisp
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-🎄- 2021 Day 24 Solutions -🎄-
So I spend more time analyzing the input calculation. I wrote up that analysis and committed it to my repository, too.
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-🎄- 2021 Day 14 Solutions -🎄-
This was a bit difficult. My original part one solution worked completely differently to what I had to do for part two.
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-🎄- 2021 Day 12 Solutions -🎄-
My solution in Common Lisp, 2335/2041.
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-🎄- 2021 Day 11 Solutions -🎄-
No. It's just here, as part of my Advent of Code repository.
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[2021 Day 9] Cave Floor Relief Map
The code is at the bottom of my day 9 source file, in Common Lisp. (The AdvMAME3x code was something I originally wrote for my 2020 day 20 visualization.)
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-🎄- 2021 Day 4 Solutions -🎄-
As a side note, I took inspiration from a post the other day about adding AoC badges to your repository README file. I use GitLab, which lets you define badges as properties of your repository. So I added badges to my repository's header area, driven by a JSON file in the repository. The JSON file is updated manually by a script. (I might add some automated updates at some point, but manual works okay for now.)
aoc2021
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All years, all days, everything in Haskell
I've done every year in Haskell (2015 2016 2017 2018 2019 2020 2021), and so have several other people such as /u/glguy. I don't see if /u/mstksg has anything published for 2015 but they've done 2016 2017 2018 2019 2020 2021 along with some pretty good writeups, I recommend checking those out.
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Jetbrains looks like it's about to release Compose ui for ios, and web!
I ran my own benchmarks for a whole ton of code at https://github.com/ephemient/aoc2021 on both Linux x64 and macos x64, and ended up disabling Kotlin/Native because it was varying between 10x and 100x slower than Kotlin/JVM, eventually timing out on CI. The generated code may be reasonable thanks to LLVM, but the runtime certainly is not.
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-🎄- 2021 Day 25 Solutions -🎄-
Took a while for me to get around to completing this in Kotlin, Python, and Rust as well, since I was working on optimizing other solutions, but I finally made it.
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-🎄- 2021 Day 24 Solutions -🎄-
So I switched tacks and implemented this in Kotlin, where mutation is easier. First version was brute-force with duplicate state avoidance (checked before the state explosion at every input), which worked quickly enough for part 1, but ran into OOMs for part 2. Once I replaced the HashSet with a custom LruSet (and later a simpler CacheSet which simply overwrites on hash collisions) it ran part 2 in a few minutes. I then ported this into Haskell.
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-🎄- 2021 Day 23 Solutions -🎄-
Haskell 1171/339
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-🎄- 2021 Day 22 Solutions -🎄-
Kotlin, Python, and Rust solutions are the same solution but much uglier.
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-🎄- 2021 Day 21 Solutions -🎄-
I'm doing the same cached recursion in Kotlin, Python, and Rust.
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-🎄- 2021 Day 20 Solutions -🎄-
Haskell 621/603
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-🎄- 2021 Day 19 Solutions -🎄-
Haskell 258/240
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-🎄- 2021 Day 18 Solutions -🎄-
Haskell Kotlin 622/1185
What are some alternatives?
AdventOfCode - My Advent of Code solutions. I also upload videos of my solves: https://www.youtube.com/channel/UCuWLIm0l4sDpEe28t41WITA
adventofcode - Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala
AdventOfCode2020 - My solutions for Advent Of Code 2020
AoC - my personal repo for the advent of code yearly challenge
AdventOfCode2020
adventofcode - Advent of Code challenge solutions
Advent-of-Code-2021
roast - 🦋 Raku test suite
advent2020 - Advent of Code 2020
advent-2021 - [Moved to: https://github.com/Crazytieguy/advent-of-code]
dyalog-apl-extended - Dyalog APL Extended
advent-of-code-go - All 8 years of adventofcode.com solutions in Go/Golang; 2015 2016 2017 2018 2019 2020 2021 2022