Qualification Round starts today at 17:35 MSK!

Good day, dear Codeforces users!

We would like to remind you that in less than 8 hours (at 17:35 Moscow time, UTC+3), the Qualification Stage of our contest series based on Sirius Educational Centre problems will begin!

Detailed rules, the scoring system, and track distribution criteria can be found in our main announcement.

Key Details of the Qualification Round:

• Format: You will be given 7 problems.
• Duration: Exactly 3 hours (until 20:35 MSK).
• Registration Link: Register for the Qualification Stage

Important Rating Restrictions for Prizes:

• Absolute Maximum: Users with a maximum rating above 1900 are not eligible for prizes at all.
• Advanced Track (DSA-Advanced): ALL participants with a maximum rating of 1900 or lower can compete for prizes (provided they successfully pass the qualification).
• Basic Track (DSA-Basic): Only participants with a maximum rating of 1600 or lower are eligible to compete for prizes here.

Fair Play and Feedback

• Anti-cheat: We kindly request everyone to follow the fair play rules. In case of any suspicion of plagiarism or AI usage, a participant will receive a warning and may be disqualified, with their results cancelled.
• Results: Passing scores for the second stage will be published no later than 10.10.2026.
• Questions during the contest: During the round, the jury will try to answer all incoming questions as quickly as possible (usually taking no more than 20 minutes).

Acknowledgments

I would like to express my deepest gratitude to my friend and tester — zeyd1234. Without him and his help, none of this would have been possible!

Thank you all, and see you at the round! Good luck!