I'd like to invite you to Codeforces Round #312 (Div. 2). It'll be held on Tuesday, July 14th at 18:00 MSK.(notice the unusual starting time) and as usual Div. 1 participants can take part out of competition.
This is my second round after Codeforces Round 287 (Div. 2). :)
Great thanks to Maxim Akhmedov (Zlobober) for his great help in preparing the contest, Maria Belova (Delinur) for translating the statements into Russian, Mike Mirzayanov (MikeMirzayanov) for the great Polygon platform and Polygon's developers team for their hard work in enhancing Polygon system.
The scoring distribution will be announced later.
Good luck everyone and I hope you'll find the problems interesting. ;)
UPD1 Scoring distribution will be 500-1000-1500-2250-2500.
UPD2 Contest is delayed 10 mins. Sorry for inconvenience.
UPD3 Contest is finished. Thank you everyone!
UPD4 System testing finished. Congratulations to the winners.
You can find the editorial here.