Hi everyone!
We invite you to participate in Codeforces Round #429, wich will take place on August 18th, 18:05MSK.
The problems were set by Fedor Mediocrity Korobeinikov and Vlad totsamyzed Mosko. Special thanks to Alex netman Vistyazh for helping to prepare the round, Alex AlexFetisov Fetisov and Vladislav winger Isenbaev for testing problems, Mike MikeMirzayanov Mirzayanov for Codeforces and Polygon systems.
Participants of both divisions will be given 5 problems and 2 hours to solve them. Scoring will be announced before the round.
We hope you'll enjoy our round! We wish everyone good luck and high rating!
UPD: The scoring is: 500 — 1000 — 1500 — 2000 — 2500. Note, that number of tasks changed from 6 to 5. Also great thanks to Alex Um_nik Danilyuk for testing problems.
UPD: We are really sorry for our awful english statements.
UPD: The round is finished. Sorry for inconvenience again. Congratulations to the winners:
Div1:
Div2:
UPD: Editorial.