Hello Codeforces and welcome back to another div2 round.
YeongTree and I are excited to invite everyone to participate in Codeforces Round 851 (Div. 2), which will be held on 09.02.2023 17:35 (Московское время).
This round is rated for the participants with ratings strictly lower than 2100. You will be given 6 problems and 2 hours to solve them. All the problems are authored and prepared by YeongTree and me.
We would like to thank
- Arpa for excellent coordination and help with prepration.
- Alexdat2000 for Russian translation.
- blobugh, as_dfsdf, Kawaii2DIdolOfGSHS, nlog, Ryute, Konijntje, hanbyeol_, Physics07, jjang36524, OctaneC8H18, ahgus89, DELTARUNE, FD..LH..lloyJ, andyandy, PUFL, Pratyush1606, PUPA, Justice_Hui, garam1732, windva, culver0412, nor, maomao90, MagentaCobra, dorijanlendvaj, RetiredPlayer, mejiamejia, AquaMoon, mjhmjh1104, qwexd, ayhan23 for testing and feedbacks.
- MikeMirzayanov for great systems Codeforces and Polygon.
The score distributions will be updated later.
UPD1: Score distribution: $$$500−1000-1500-2250−2500-3000$$$
UPD2: Congratulations to the winners!
Overall:
Rated participants
AC submissions at the last second
UPD3: Editorial is out