👋 Salam, Codeforces!

We are excited to announce that the final round of the Rayan Programming Contest will be held onsite in Tehran, from November 25–29, 2025!

All participants ranked 1-1000 in the Rayan Selection Round are invited to complete the registration form by August 25, 2025 August 27, 2025. The final list of invited participants—selected based on rank and geographical diversity—will be announced shortly thereafter.

Beyond the chance to win top-tier prizes worth $40,000 USD, finalists will enjoy a unique opportunity to experience the timeless beauty and rich heritage of ancient Persia, with special highlights from the vibrant city of Tehran.

Hotel accommodation, local transportation, and meals are provided to all finalists. Moreover, a partial travel fund of 200 USD will be provided to all foreign participants (except prize winners).

🏆 World Finals Prizes:

• 🥇 1st place: $15,000 💵
• 🥈 2nd place: $10,000 💵
• 🥉 3rd place: $5,000 💵
• 🏅 4th–6th places: $2,000 each
• 🏅 7th–10th places: $1,000 each

Furthermore, T-shirts for the top 50 participants of selection round as well as 50 more for randomly chosen participants ranked 51-1000 will be sent to those who complete the registration form. 👕

We look forward to seeing you on-site! 🎉

UPDATE (August 23): The registration summary so far is available here. The final selection process is described in this post.

UPDATE (August 26): Because of codeforces unavailability last night, the registration deadline has been extended to August 27.

UPDATE (August 29): The list of finalists for the Rayan 2025 World Finals has been announced.

👋 Salam, Codeforces!

We are thrilled to invite you to the Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2).

The Selection Round is a rated contest for Div. 1 + Div. 2, taking place on 30.11.2024 17:35 (Московское время). The problems for this round were crafted and prepared by ArshiaDadras, MohammadParsaElahimanesh, AmShZ, AmirrzwM, and Keshi.

The top 60 trusted participants (with a maximum of three from each country) will qualify for the onsite Final Round in Tehran, in Spring 2025. An additional quota is reserved for the host country. Hotel accommodation, local transportation, and meals will be provided to all finalists. More details about the final contest will be available on the Rayan website.

🏆 Selection Round Prizes:

• The top 50 participants will receive T-shirts. 👕
• Additionally, 50 random participants from ranks 51-1000 will also receive T-shirts.

🏅 Final Round Prizes:

• 1st place: $15,000 💵
• 2nd place: $10,000 💵
• 3rd place: $5,000 💵
• 4th–6th places: $2,000 each
• 7th–10th places: $1,000 each

🙏 Special Thanks:

We would like to extend our deepest gratitude to:

• MikeMirzayanov for enabling this event through the amazing Codeforces platform.
• The one and only KAN for his invaluable support in hosting the round.
• Dear TheScrasse for his dedicated coordination efforts and lots of discussions about the problems and rejecting a big chunk of our problems for Problem C. He also contributed some problems to the contest, one of which was selected by the team!
• Our testers who tested and provided invaluable feedback to improve the problems: peti1234 for being our LGM (VIP) tester, _istil for his great ideas and ignoring his school midterms to test the problems, Error_Yuan for helping us and picking on tough problems for no reason, Hyperbolic, DylanSmith, cadmiumky, Clan328, Weikatuo, CepryH9, WansurMyKing667, PineapplesOnPizza, vyshniak.n, ErrorAssassin, nicolasalba, naniim, estoy-re-sebado, mika_uwu, rulerofcakes, AkiLotus, Too_Weak_To_Anything, sleepwalking643, Leonardo_Paes, RockSnow, waidenf, and newb_programmer.
• Prof. Hamid Zarrabi Zadeh and Prof. Mohammad Ali Abam, whose leadership and organizational efforts make this event a reality. Thanks to their vision, Rayan is becoming one of the largest competitive programming contests in terms of prizes (and soon participants!).
• You for participating and getting positive delta (and maybe the final prize in the next year 💸😉).

📊 Score distribution: $$$500 - 750 - 1500 - 1500 - 2000 - (2000 + 2000) - (3000 + 3000) - 5000$$$

We look forward to seeing you both online and onsite!

Good Luck & Have Fun! 🎉

📝 Note: Editorial just published here! 🚀🍿

🔔 Update: The official announcement for the Rayan 2025 World Finals has just been published! 🎉 You can read all the details about the onsite event in Tehran, November 25–29, 2025, in Arpa’s blog. For registration, schedule, and more information, please visit the Rayan website. Make sure to check it out if you’re among the top 1000 in the Selection Round! 🚀

Salam, Codeforces!

On behalf of Sharif University of Technology, we are thrilled to invite you to the Rayan Programming Contest 2024!

The contest will feature three exciting rounds:

1. Warm-Up Round: Will be started on November 12, 2024. You can participate here.
2. Selection Round: Scheduled for November 30, 2024, as a rated Div. 1 + Div. 2 contest.
3. Final Round: The grand finale will take place onsite in Tehran in Spring 2025.

Prizes

• A total prize pool of $40,000 for the Final Round winners!
• 50 exclusive T-shirts for participants in the Selection Round.

We would like to express our gratitude to:

• MikeMirzayanov for making this event possible.
• KAN for his dedicated coordination efforts.
• The Rayan team for organizing the contest.

Looking forward to seeing you in the upcoming rounds!

More information can be found at rayan.global.

Best of luck,
Rayan Programming Contest Team