The round will be rated for participants with rating lower than 2100. Participants with higher rating can participate in round unofficially.
You will be given 5 problems and 2 hours to solve them. I recommend you to read all problems. One of the problems will be interactive, so please read guide for interactive problems before the contest.
All problems are authored by me.
I would like to thank:
- Renatyss for helping with preparation and discussing the problems.
- IgorI for great round coordination.
- bashkort, Allvik06, Ormlis, satyam343, maomao90, Dominater069, Yuu, Kirill020708, asafiul, iliya_mon, sdyakonov, tallbee23, Asgat, AquaMoon for testing the round and providing useful feedback.
- MikeMirzayanov for Codeforces and Polygon platforms.
Score distribution: 500 — 1000 — 1500 — 2250 — 2750.
Good luck to all participants!
Editorial has been published.