this post was submitted on 01 Jan 2026
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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.
Solution Threads
Visualisations Megathread
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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I still have day 12 to do. Got stuck on day 10, refused to use third party solver and persevered. Day 11 was quite basic compared with 10.