Advent of Code is now back for a limited time only! Complete as many challenges as you can to earn those badges you may have missed in December. Learn more about how to participate here!
Weekly Challenges
Solve the challenge, share your solution and summit the ranks of our Community!Also available in | Français | Português | Español | 日本語
IDEAS WANTED
Want to get involved? We're always looking for ideas and content for Weekly Challenges.
SUBMIT YOUR IDEA
Slipped up on not allowing a city to match with itself until I crossmatched with the answer. That'll teach me not to rush 😂. Nice concept.
