Hello, Codeforces!
auiunu, NahC0el and me are glad to invite you to the last round with 10 binary bits — Codeforces Round 1023 (Div. 2), which will start on May/05/2025 17:35 (Moscow time). You will be given 6 problems and 1 subtask with 2 hours 15 minutes 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 authored by auiunu, NahC0el and me.
We would like to thank:
- Dominater069 and TheScrasse for their wonderful coordination and huge help in preparing the round.
- Alexdat2000 for the Russian translations.
- hyman00, le0n, Flamire, jeroenodb for LGM testing.
- Sana, N_z__, Wuyanru, Little_Bunny, platter, yeminghan, MridulAhi, xuyifei1, Error_Yuan, nifeshe, wfb, _istil for red testing.
- Intellegent, Proof_by_QED, TyroWhizz, Coffee_zzz, yoru_sacri, Edeeva, Caylex, satyam343, luuia for yellow testing.
- rewhile,unforgettablepl, Friedrich for purple testing.
- SpyrosAliv, beaten_by_ai, yashbihany, oviyan_gandhi, hyhcnzjsx, starrykiller, mathtsai, macaquedev, AG-88301, avighnakc, SkyWave2022, chromate00 for blue testing.
- STAR_light_ for black testing.
- MikeMirzayanov for the great Codeforces and Polygon platforms.
- You for participating.
The score distribution is $$$250-750-1500-2000-2750-(2250-2500)$$$.
We hope you will enjoy and have fun in the contest. Good luck!
UPD: Congratulations to the winners and first solves!
Div. 1+2:
Div. 2:
First solves:
- Problem A: Hamed_Ghaffari at 00:01.
- Problem B: arvindf232 at 00:03.
- Problem C: arvindf232 at 00:08.
- Problem D: Wansur at 00:22.
- Problem E: SSerxhs at 00:29.
- Problem F1: peti1234 at 00:14.
- Problem F2: conqueror_of_tourist at 00:33.
UPD2: Editorial is out!
