Hello, Codeforces! We're glad to invite you to take part in Codeforces Round 1031 (Div. 2), which will start on Jun/15/2025 12:05 (Moscow time). Note the unusual start time of the round. You will be given 6 problems and 2 hours to solve them.
This round will be rated for participants whose rating is below 2100. Participants with higher rating can participate unofficially.
The problems were authored and prepared by bashkort, TheEvilBird, 127.0.0.1, Mangooste and Moscow Olympiad Scientific Committee.
The round is based on All-Russian olympiad in the name of Keldysh.
We would like to thank
- Artyom123 for his high-speed coordination;
- A_G, ahsoltan, Proof_by_QED, larush, Mikhango, Ormlis, _istil for testing;
- MikeMirzayanov for creating Codeforces and Polygon.
Good luck everybody!
UPD: Score distribution: $$$500 - 750 - 1250 - 1750 - 2500 - 3000$$$
UPD2: Editorial
