We are glad to announce that on 4th of June at 19:30 MSK Codeforces Round #306 will be held. Authors of this contest are me (Adilet Zhaxybay) and Timur Sitdikov (Timur_Sitdikov). The round will be rated for the second division, however, participants from the first division can, as usually, participate in it unofficially.
We want to thank all the people, who helped us to prepare the contest: Max Akhmedov (Zlobober), who helped us with the problems, Bekzhan Kassenov (Bekzhan.Kassenov) and Sergey Lazarev (SergeyLazarev), who tested the round, and Maria Belova (delinur), who translated problem statements. Also we want to say great thanks to Mike Mirzayanov (MikeMirzayanov) for creating Codeforces and Polygon.
By the way, as far as we know, Timur_Sitdikov is the first participant from Uzbekistan, who took part in the preparation of Codeforces round. We hope that everything will go well :)
Good luck to all!
UPD The scoring will be dynamic
UPD2 Editorial can be found here
UPD3 Congratulations to winners!
Round is over, thanks to everybody, who took part in it!