this post was submitted on 25 Nov 2025
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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
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Credits
Icon base by Lorc under CC BY 3.0 with modifications to add a gradient
console.log('Hello World')
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12 days is better IMO, much better chance of more people finishing it. Trying to do 25 days at this. Time of year is practically impossible.
I wasn't even planning on it this year (just have a number of hobby projects that are "unblocked", I'm not burnt out, and I could switch project if I were). But if it's only 12 days... we'll see.
Good luck!