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How are there submissions that are under 90 seconds?
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this post was submitted on 03 Dec 2024
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Advent Of Code
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An unofficial home for the advent of code community on programming.dev! Other challenges are also welcome!
Advent of Code is an annual Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like.
Everybody Codes is another collection of programming puzzles with seasonal events.
EC 2025
AoC 2025
Solution Threads
| M | T | W | T | F | S | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 |
Rules/Guidelines
- Follow the programming.dev instance rules
- Keep all content related to advent of code in some way
- If what youre posting relates to a day, put in brackets the year and then day number in front of the post title (e.g. [2024 Day 10])
- When an event is running, keep solutions in the solution megathread to avoid the community getting spammed with posts
Relevant Communities
Relevant Links
Credits
Icon base by Lorc under CC BY 3.0 with modifications to add a gradient
console.log('Hello World')
founded 3 years ago
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See for yourself! This is someone solving day 1 of this year:
https://youtu.be/ym1ae-vBy6g?si=jbjfMMsxMveKrbLS
If you're really going for it, you can automate some of the busy work like getting the input file and a template that's ready to read it in and split it into lines, then it's mostly a matter of skimming for what to do and knowing how to zip/map/fold/reduce/etc the data quickly. I was a bit surprised to see him having to add imports to his file, I'd think he'd have those ready to go, and of course quitting out of Vim to run the script isn't necessary either, but I can't judge because I definitely do that too...