Hello, Codeforces!

BULLMCHOW and I are glad to invite you to Codeforces Round 910 (Div. 2), which will start on 19.11.2023 17:35 (Московское время). You will be given 6 problems and 2 hours to solve them.

The round will be rated for participants of Division 2 with a rating lower than 2100. Division 1 participants can participate unofficially.

All problems are invented and prepared by BULLMCHOW and me. Special thanks go to Sofija06 and NemanjaSo2005, our two most dedicated testers. We would also like to honor:

• prvocislo, wuhudsm, Marckess, MateoCV, Wibo, curly_braces, LucaLucaM, null0124, OAleksa, AlphaMale06, Firefrog418, and sahaun for testing this round and providing valuable feedback!
• IgorI for coordinating the round well!
• dario2994 for reviewing some of the problems as the coordinator of a previous round proposal.
• KAN for his contribution towards hosting the round.
• MikeMirzayanov for creating the Codeforces and Polygon platforms!

We are looking forward to your participation!

UPD1: The score distribution is $$$500 — 1250 — 1750 — 1750 — 2000 — 2500$$$.

UPD2: Editorial

UPD3: Congratulations to the winners!

1. hitonanode
2. Rubikun
3. femboy-wannabe
4. potato167
5. Golovanov399
6. A_G
7. AmazingTalker_Frank
8. Geothermal
9. StarSilk
10. Farhod

UPD4: Also, congratulations to the Div. 2 winners!

1. femboy-wannabe
2. Top2Greece
3. hoiii
4. KaiAngel
5. Nguyen_Mai_Huong
6. lunchbox
7. bobbilyking
8. y_x_c
9. supercambrian
10. MeGustaElArroz23