Hello, Codeforces!

We are excited and pleased to announce that Codeforces Round 1075 (Div. 2) will be held on Jan/23/2026 17:35 (Moscow time). This round will be rated for all participants with rating below $$$2100$$$. You will be given $$$2$$$ hours to solve $$$6$$$ problems and some problems will be divided into subtasks.

All problems were authored ans prepared by yanb0, furt1ve and me.

We would like to express our special thanks to:

• Akulyat for coordinating the round and assistance in preparing problems;
• the testers: OG_Matveychick1, zhenja, TimDee, k1r1t0, __baozii__, _istil, Mark_Pr, Wansur, machine_solution, NotDWT, Sokol080808, abs0lute, wuhudsm, pattern-seeker, VitaliiV, dvb1r, itz_pabloo, sanya37y, AK_15, madlogic, arsen1y, s97b, emirhanbanan, thereverberation, Norman165, graphs_enjoyer, Morselllprimo, tih-a, Golden_Square, ak1ko, penwick, princeee, Pobe for their time and effort in testing the problems;
• MikeMirzayanov and KAN for the great platforms.

Score Distribution: $$$500 - 750 - (1250+500) - 2250 - 2500 - 3000$$$

GLHF!