copy pasting the rules from last year's thread:

Rules: no spoilers.

The other rules are made up aswe go along.

Share code by link to a forge, home page, pastebin (Eric Wastl has one here) or code section in a comment.

other discussions
 

Anyone else doing it? I am doing the first 3 days today to catch up. Just finished the first one!

Doing it with Rust to get more familiar with it. If anyone wants to talk about specific puzzles, we can do it using spoiler tags!

 

There is a discussion on Hacker News, but feel free to comment here as well.