scrapyard
aoc2021
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scrapyard
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[AoC 2022] - Performance of the solutions for day 8
Inspired by a blog post of Nicky Meuleman and his solution for this puzzle: https://github.com/NickyMeuleman/scrapyard/blob/main/advent_of_code/2022/src/day_08.rs I refactored my code and it turned out to be ~7-10 times slower than the initial one (700Ξs vs. 8ms). But hey, the code looks better now and it's more concise.
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Looking for good python and rust solutions repos
If you prefer to go straight to the repo: https://github.com/NickyMeuleman/scrapyard/tree/main/advent_of_code/2022/src
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-ð- 2021 Day 25 Solutions -ð-
rust Per step, this makes a list of all cucumbers that can move first, then mutates those in the overall map.
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-ð- 2021 Day 10 Solutions -ð-
Solution in Rust
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-ð- 2021 Day 8 Solutions -ð-
Rust solution, commented both solutions to clearly explain the used logic.
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-ð- 2021 Day 3 Solutions -ð-
Rust
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-ð- 2021 Day 1 Solutions -ð-
Rust. The windows() method is really the MVP of the day
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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-ð- 2021 Day 25 Solutions -ð-
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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-ð- 2021 Day 24 Solutions -ð-
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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-ð- 2021 Day 23 Solutions -ð-
Haskell 1171/339
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-ð- 2021 Day 22 Solutions -ð-
Kotlin, Python, and Rust solutions are the same solution but much uglier.
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-ð- 2021 Day 21 Solutions -ð-
I'm doing the same cached recursion in Kotlin, Python, and Rust.
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-ð- 2021 Day 20 Solutions -ð-
Haskell 621/603
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-ð- 2021 Day 19 Solutions -ð-
Haskell 258/240
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-ð- 2021 Day 18 Solutions -ð-
Haskell Kotlin 622/1185
What are some alternatives?
advent-of-code-2021 - My solutions to advent of code 2021 in deno/TS
adventofcode - Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala
adventofcode - Advent of Code challenge solutions
AoC - my personal repo for the advent of code yearly challenge
aoc2021 - Advent of Code 2021 Solutions
awesome-advent-of-code - A collection of awesome resources related to the yearly Advent of Code challenge.
roast - ðĶ Raku test suite
aoc-2021 - Advent of Code 2021 with C#/LINQ
advent-2021 - [Moved to: https://github.com/Crazytieguy/advent-of-code]
AdventOfCode2021 - C++ solutions of Advent of code 2021
advent-of-code-go - All 8 years of adventofcode.com solutions in Go/Golang; 2015 2016 2017 2018 2019 2020 2021 2022