Hello, Codeforces!

On Nov/26/2021 14:15 (Moscow time) Codeforces Round 757 (Div. 2) will start. This round will be rated for participants with a rating less than $$$2100$$$.

All the problems were authored and prepared by vaaven and me.

You will be given $$$5$$$ problems, one of which has two subtasks. You will have 2 hours to solve them.

We would like to thank everyone helped a lot with round preparation:

\begin{itemize} \item First of all, errorgorn and phyzzmat for help with translating the terms into English. \item Aleks5d and KAN for excellent coordination. \item Ormlis, kostia244, errorgorn, Ziware, Makcum888, wxhtzdy, fishy15, Sprdalo, Riladavin, Ekler, FairyWinx, olya.masaeva, LetterC67, vasilykuzmin22, TheEvilBird, kartikeyasri23, Kolychestiy, QuangBuiCPP, kuertov and WinCrash91 for testing and useful feedback. \item MikeMirzayanov for great Codeforces and Polygon platforms. \end{itemize}

Score distribution: $$$500$$$ — $$$750$$$ — $$$1500$$$ — $$$(1500 + 1000)$$$ — $$$2750$$$.

Good luck everyone!