Hello Codeforces!

We are delighted to invite you to participate in AMS Round 1! The contest will take place tomorrow, 1st of March, 2026 at 2:00 PM IST.

All participants with any ratings are, of course, warmly welcomed to participate in the competition. You will be given 6 problems and 2 hours to solve them. The round will be held under standard Codeforces rules.

This round is the debut of the AMS team! We have poured a lot of love and effort into creating problems that we hope you will find mathematically beautiful, probabilistically interesting, and educational.

Prizes & Sponsorship: We are thrilled to partner with getcracked.io for our debut round. Because they are dedicated to elevating algorithmic problem-solving and rigorous interview prep, their platform is a highly valuable resource for this community. By climbing the leaderboard, you can win premium access to their tools:

• Top 3 Rank-holders will get 3 months of membership at getcracked.io
• Rank 4 — Rank 10 will get 1 month of membership at getcracked.io

Registration Details: The registration portal will be available exactly 6 hours before the contest begins. Registration Opens: 8:00 AM IST, Sunday

Platform: A huge thank you to MikeMirzayanov for the amazing Codeforces and Polygon platforms!

A Final Note We highly recommend reading all the problems, as the difficulty might be subjective. We hope you enjoy the problems as much as we enjoyed creating them.

Good luck, have fun, and see you on the leaderboard!