aoc
adventofcode
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aoc | adventofcode | |
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21 | 59 | |
23 | 6 | |
- | - | |
9.3 | 8.5 | |
4 months ago | 4 months ago | |
C | Julia | |
- | MIT License |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
aoc
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[2016 all days] [C] Advent of Code 2016 in C
Personally I just stick to raw arrays for most days, usually with static storage (so pre-allocated). Keeps things simple! Here's my repo.
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-🎄- 2022 Day 22 Solutions -🎄-
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[2022 Day 21 (Part 2)] Well, that's a new one for me...
Here's my solution. Sorry, I did go a bit overboard making it compact.
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[2022 Day 18] I'm the only one?
That was one heck of a tough day but also very satisfying. I spent quite some time working out a 3D rectangle splitting/merging algorithm on paper and then I had to go and implement that in C. It turned out pretty clean and idiomatic, if I may say so!
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[2022 Day 12] Flood fill
This was my first attempt (or at least in a very long time) at generating video. Here I'm generating raw RGB frames in memory and writing them to ffmpeg, which works well enough but it's a little primitive.
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[2022] Writing C solutions the way Dennis intended it
At 50 year sold and very stable, C must be one of the easiest languages to get working on old machines. Required just some of the polyfills I wrote back in 2020.
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-🎄- 2022 Day 6 Solutions -🎄-
My original solution checked every character against every other character, which performed perfectly fine even for 14 chars, but it felt wrong.
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-🎄- 2022 Day 4 Solutions -🎄-
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-🎄- 2021 Day 25 Solutions -🎄-
First a straightforward solution with a double buffer, later realised you could do it in-place by just holding onto one value per row/column.
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-🎄- 2021 Day 24 Solutions -🎄-
First wrote a short AWK program to convert the input to C and play with it while running a hopeless brute force attempt.
adventofcode
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-❄️- 2023 Day 10 Solutions -❄️-
Code on GitHub is currently a mess.
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[2023 Day 5] Exlplanation Like I'm 5
In the spirit of the Day 5 ALLEZ CUISINE! challenge to ELI5 (Explain Like I'm Five), here's a tasty explanation of how my algorithm works using only a large bucket of Red Vines and a knife. It says to use lined paper, but if you try this at home consider aligning things on a cutting board.
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-❄️- 2023 Day 4 Solutions -❄️-
[Language: Jsonnet] (on GitHub)
- -🎄- 2022 Day 25 Solutions -🎄-
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-🎄- 2022 Day 24 Solutions -🎄-
Elixir code, thoughts
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-🎄- 2022 Day 23 Solutions -🎄-
Elixir 1554/1502 code, reflections
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-🎄- 2022 Day 21 Solutions -🎄-
Elixir 2506/3402 (24 minutes, 2 hours), code, thoughts
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-🎄- 2022 Day 20 Solutions -🎄-
Bonus solution in Go (golang) because I was confused about why my Elixir solution didn't work and decided to implement from scratch in case I'd done something dumb. The Go one also got the wrong answer, but took less than 100ms instead of a minute, so I could try out lots of tweaks that didn't change the answer.
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-🎄- 2022 Day 19 Solutions -🎄-
Elixir 2031/2641 after 3.25/6.5 hours! Code on GitHub
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-🎄- 2022 Day 18 Solutions -🎄-
I spent time this afternoon sprucing up my helpers for the iex REPL. I spent a bunch of time poking at things in IEx the last couple days and wanted to make sure I would minimize keystrokes if I needed to debug things on my phone while drunk. Turns out Thursday night > Friday night > Saturday night in terms of difficulty, so all those macros have so far saved me zero seconds :-)
What are some alternatives?
advent-of-code-typescript-starter - Typescript template in Node.js for Advent of Code event
adventofcode - Solutions for problems from AdventOfCode.com
advent-of-code-jq - Solving Advent of Code with jq
adventofcode - Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala
AdventOfCode - My Advent of Code solutions. I also upload videos of my solves: https://www.youtube.com/channel/UCuWLIm0l4sDpEe28t41WITA
aoc2021 - Advent of Code 2021 - my answers
scamp-cpu - A homebrew 16-bit CPU with a homebrew Unix-like-ish operating system.
AdventOfCode2021.jl - Advent of Code 2021 in Julia
AdventOfCode2021 - Solutions to all 25 AoC 2021 problems in Rust :crab: Less than 100 lines per day and under 1 second total execution time! :christmas_tree:
aoc2021 - Advent of Code 2021 on my homemade 16-bit CPU SCAMP
AlgorithmProblems - Solutions to Algorithm Problems :chart_with_upwards_trend: :neckbeard:
rockstar - The Rockstar programming language specification