Hello, Codeforces!

We are glad to invite you to participate in Codeforces Round 1099 (Div. 2), which will be help on May/21/2026 17:35 (Moscow time). You will be given of 6 problems and 2 hours to solve them. This round will be rated for the participants with a rating lower than 2100.

The problems are authored and prepared by xoxo, Kuyan, FairyWinx, sunkuangzheng, TheScrasse and Vladithur. Also, we want to express our sincere thank to people without whom this round would be impossible:

• FairyWinx, for the great round coordination

• Our testers: Wansur, FelixArg, Fakewave, yanb0, Dinmiax, Vitaly239239, 300iq, Iura_Shch, fishy15, KiruxaLight, sadovan, larush, SomethingNew, __baozii__, _istil, madlogic, -firefly- and ABalobanov.

• MikeMirzayanov and KAN for the great platforms Codeforces and Polygon.

The scoring distribution will be published later.

We hope you enjoy the round. Good Luck and Have Fun!