We are glad to invite you to Codeforces Round #807 (Div. 2), which will be held on Jul/15/2022 16:35 (Moscow time). As usual, the round will be rated for participants with ratings lower than 2100, while those who have higher ratings are encouraged to participate unofficially. Please note the unusual start time.
You will be given 6 problems to be solved in 2 hours and 15 minutes. There may or may not be interactive problems, so you are encouraged to prepare in case they do appear by reading this guide.
The round is authored by abc241 and me, while joining us is also inwbearX who contributed significantly to the preparation. This is our first time setting rounds in Codeforces, and it wouldn't be possible if there were no support from the following people.
- errorgorn for fantastic coordination.
- KAN, lackadaisical_lad, geranazavr555, unreal.eugene and MikeMirzayanov for translating the statements into Russian.
- antontrygubO_o, kevinxiehk, mango_lassi, Adam_GS, lackadaisical_lad, Utkarsh.25dec, Zappeko, thanhchauns2, TLP.39, 36champ, jampm, DeMen100ns, Neothehero, and sid. for testing the round.
- MikeMirzayanov for Polygon and Codeforces.
The score distribution is $$$500$$$ — $$$1000$$$ — $$$1250$$$ — $$$1750$$$ — $$$2500$$$ — $$$3000$$$.
We are looking forward to your participation. Good luck and enjoy our round!
Update: the editorial is up!
Update 2: Winners!
Div. 1 + Div. 2