#aoc2022 — Public Fediverse posts

https://jeroenheijmans.github.io/advent-of-code-surveys/

#day25 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Masooka @[email protected] · 2022-12-25 · 05:30 UTC

#AoC2022 다 했다!

#aoc2022

Masooka @[email protected] · 2022-12-25 · 04:47 UTC

#AoC2022 설문 조사 결과

새로운 언어를 배우려고 참가했다는 사람들이 사분의 일이나 되네. 난 쓰던 언어로도 간신히 풀고 있는데, 대단하신 분들… 그래도 #neovim 쓰는 걸 익혔으니 만족해. 이제 생산성이 VS Code 쓰던 때랑 비슷하게 나오는 것 같아

#aoc2022 #neovim

Taylor @taywee · 2022-12-25 · 04:41 UTC

#day24 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day24.rs

Done just in time. I went with a pretty straightforward A*, but because the accessible tiles change with time, I had each node be the tile's position as well as the entire field state at that point in time. The pathfinding crate is very powerful: https://docs.rs/pathfinding/latest/pathfinding/directed/astar/fn.astar.html

Still took about 10 seconds. I could probably optimize it a lot, but it's done.

Part 2 was just doing it 3 times.

#day24 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

darkliquid @[email protected] · 2022-12-23 · 22:00 UTC

I was doing #AoC2022 but stopped on day 12 because ultimately I realised I wasn't actually having fun doing it and had made it into a self-imposed obligation. I don't need to prove anything to myself or anyone and life has scarce enough free time for fun as it is without me forcing myself to burn even more of it on something I don't even want to do anymore. Feel so much better that I realised I'm allowed to stop doing things I don't enjoy anymore.

#aoc2022

Taylor @taywee · 2022-12-23 · 06:26 UTC

#day23 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day23.rs

Not a hard one. Part 2 takes over a full second to run, which could be improved a lot, but this was way nicer than day 22.

#day23 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-23 · 03:05 UTC

#day22 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day22.rs

Part 1 was super easy.

Part 2 was so hard I gave up and hardcoded the cube shape. 14 match cases, and it works on multiple input sizes but not on different shapes. I wanted to actually walk and find the next position, or to fold the cube and link them in a mesh of Rc<RefCell<_>>, but I already put too many hours into this and the idea of keeping track of orientation sounded like a pain.

#day22 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-21 · 06:09 UTC

#day21 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day21.rs

Part 1 was straightforward: just build a tree and execute it.

I had a solution in mind for part 2 of solving the side of the root tree that I knew, then recursively running down the other side until I get to humn with a solution, but I decided to cheat and just used an equation solver library instead.

#day21 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-20 · 18:01 UTC

#day20 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day20.rs

This one was shockingly easy, even part 2. The toughest part was trying to figure out a way to keep track of what order to move the numbers in, particularly when there are duplicates. I gave up and just attached the original index to them and scanned each time. Far from perfect, but it got the job done without too much trouble.

#day20 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-20 · 17:14 UTC

#day19 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day19.rs

Really similar to the elephants and valves one. Just a DFS for the maximum with some optimizations to reduce the search space. Interestingly enough, it runs in 0.33 seconds on my actual input, but takes 15 seconds on the example, which is different from a lot of problems that take way longer on the real input. I think it's because the smaller costs on the example balloon the search space.

#day19 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-19 · 18:48 UTC

#day18 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day18.rs

Quick and easy one. For part one, just ran from the min to max for all axes in turn, incrementing each time a pair had one droplet and one air voxel. Part 2 was the same, but also with a pathfinding check between the air voxel and a known outside voxel.

Got sick of implementing my own coordinate types and just pulled in nalgebra.

#day18 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Taylor @taywee · 2022-12-19 · 04:19 UTC

#day17 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day17.rs

Another very difficult one. Once it occurred to me that there would be probable cycles in the tower, I came upon a solution. It's not the nicest, but it's not too bad either. Some pessimistic input could probably still get the wrong answer, too.

#day17 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Jamie Booth @[email protected] · 2022-12-18 · 21:40 UTC

Day 10 is done. Not sure I'll catch up by the 24th. Still 8 days back.

#adventofcode #adventofcode2022 #aoc2022 #aoc

Jamie Booth @[email protected] · 2022-12-18 · 03:09 UTC

Day 9 was a pain in the neck mostly because I tried a little too much code reuse from part #1 Still 8 days back.

#adventofcode #adventofcode2022 #aoc2022 #aoc

Taylor @taywee · 2022-12-17 · 16:48 UTC

#day16 of #AdventOfCode2022 done in #Rust: https://gitlab.com/Taywee/adventofcode/-/blob/master/2022/src/bin/day16.rs

Oh my god. This problem was challenging and my code is hideous and full of redundancies. I'm not cleaning it up. I'm lucky I finished it at all.

I built my graph by calculating the shortest path between all non-zero valves and then discarding zeros. Then I just traversed with an inexact heuristic.

Part 2 was harder, having to track two routes at the same time. It was an absolute headache.

#day16 #adventofcode2022 #rust #aoc #aoc2022 #adventofcode

Jamie Booth @[email protected] · 2022-12-17 · 04:53 UTC

Day 8 wasn't so bad and is done now. Only 8 days back.

#adventofcode #adventofcode2022 #aoc2022 #aoc

Jamie Booth @[email protected] · 2022-12-17 · 02:17 UTC

Day 7 kicked my ass, but it's finally done. Only 9 days back (again).