Hello!

It is a pleasure to invite you to CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!)! The round will take place on Mar/24/2022 17:35 (Moscow time). The round will be rated for all participants. The problems of the round were authored by FelixMP, and they were prepared by FelixMP and xpov1LL.

I would like to thank the following people:

• Baqtraqking for having the idea of preparing a Codeforces Round and helping with the solution to one problem; Baqtraqking, izanbf and xpov1LL for early help and discussion of problems, and Baqtraqking, xpov1LL and OneStone for proposals that did not make it to the final problem set.
• 74TrAkToR for coordination of the round.
• MikeMirzayanov for the great platforms Codeforces and Polygon.
• Um_nik, AlexLuchianov, TeaTime, EdgarMM19, cescmentation_folch, metatron, plagues, mathusalen, javierlc2000, DIvanCode, Farrius for testing the round and providing feedback.

Hope you have fun!