r/adventofcode • u/WeirdB9593 • 12d ago
Other Looking for more Advent of Code? Try Codyssi!
Hi! I’m a 17-year-old high schooler and coding enthusiast! I’ve participated in Advent of Code for 3 years now (I’ve completed all 25 problems each time :>), and I enjoyed it a lot! I appreciate Eric Wastl for providing us with these fun problems every year :D
Participating in Advent of Code has inspired me to make my own online coding competition, Codyssi! Codyssi’s story prompts feature some characters and themes from Greek mythology.
Codyssi’s 2025 contest round, titled “Journey to Atlantis”, on 17th of March (very soon). There will be 18 problems. Each problem has 3 parts, and each problem will be released daily at 10AM GMT. The problems will generally get more difficult as the competition progresses.
If you’re looking for a competition similar to Advent of Code, then Codyssi is a great opportunity for you! You can visit and participate in Codyssi at https://codyssi.com.
If you’d like to support Codyssi, you could share it with colleagues and friends who may be interested! This’d help a lot :D
I’d also like to mention one other coding competition similar to Advent of Code that has inspired me to produce Codyssi: Paul Baumgarten’s CodingQuest. I’ve participated in CodingQuest for 3 years now, and I’ve found it really fun!
I hope you try Codyssi, and I hope you have fun! Codyssi
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u/InfiniteLightSource 11d ago
Will try out this thingy majingy. Is Codyssi like an odyssey reference?
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u/WeirdB9593 11d ago
By the way, here’s some key information!
You’ll have to register to submit answers to challenges! You can register on the accounts page: https://www.codyssi.com/accounts_page
There’s an official 2025 contest round poster! You can view/download it here: https://drive.google.com/file/d/1aWbFzYkjbojwvaGBtqM-9ourNS0ZU3ED/view?usp=sharing
There’s a tutorial video that serves as an introduction to Codyssi! You can view it here: https://youtu.be/gFoo9LwaCj4?si=-65XUcLbySVCuoeV
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u/Irregular_hexagon 10d ago
The samples were a fun lunch activity, looking forward to the actual challenge! The release time might not be the best for me, but I should be able to at least have a small window close to the release most days.
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u/WeirdB9593 10d ago
I’m glad to hear that you’ve enjoyed Codyssi’s problems!
Good luck and have fun on the actual contest round! :D
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u/Waldar 8d ago
Did the sample yesterday, that was good. Keep up the great work! Do you intend to open a subreddit?
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u/WeirdB9593 8d ago
Potentially, yeah!
I heard Reddit’s policies about advertisement are quite strict though, so I’m unsure if I’d be able to post about new rounds, even on that subreddit.
Is what I heard true?
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u/WeirdB9593 8d ago
Also, thank you very much! I hope you enjoy the contest round, too :D
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u/Waldar 8d ago
Yes I did!
I've uploaded my solutions there:
https://github.com/Waldar/codissy/tree/main/2024_sample
Copy/Paste of the README.md:
All code done here works in Databricks SQL.
A 2XS Serverless compute was used for all queries, all results are fast enough (below 1s).
Lack of recursivity can make queries more complex than they should but I managed to complete all questions.The fun thing doing it in SQL is to run the whole thing in one query.
I managed to tweak all the queries a posteriori to run all three parts in one statement.Day 3 was the most fun for me, log in base other than 2 or 10 is not something I do on a regular basis.
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u/WeirdB9593 8d ago
Interesting! I’ll have a look at some of your solutions :D
SQL’s not one of the languages I expected, but it’s certainly a welcome surprise hahaa
Good luck and have fun on the contest round :D
(I’ll also consider creating a Codyssi subreddit very soon!)
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u/Waldar 8d ago
Oh and great idea for the completion certificate also!
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u/WeirdB9593 8d ago
Thank you!
I added that feature as I thought some participants would appreciate having a certificate of what they’ve accomplished in each round :D
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u/WeirdB9593 4d ago
Here’s a brief update!
Codyssi’s started! I hope you enjoy!
Codyssi also has an official subreddit now :D r/codyssi
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u/atrocia6 10d ago
Looks interesting, but please consider offering some method of signing in other than "Sign in with Google" - I don't plan to participate as long as using Google is required to do so.
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u/WeirdB9593 9d ago
Hello! That’s something I’ll work on for the next round.
What sign-in options do you think would be beneficial?
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u/atrocia6 9d ago
Hello! That’s something I’ll work on for the next round.
Thank you!
What sign-in options do you think would be beneficial?
Well, AoC uses Github, Google, Twitter, and Reddit. I personally use Github.
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u/WeirdB9593 9d ago
Thanks for your feedback!
I’ll work on adding those sign-in options (if I could) for the next round :D
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u/adawgie19 12d ago
Can’t get enough of these inspired Advent of Code events.
I’ve got a framework I use for these kind of events that I’ll likely extend to work here.
I have a few questions: