Hello!
A few hours later, on November 29th at 19:30 MSK, you are lucky to participate in Codeforces Round #216 for Div. 2 participants. Traditionally, Div. 1 participants can take part out of the competition.
Problems have been prepared by: Gridnev Vitaliy (gridnevvvit) and Los Ilya (IlyaLos).
We want to thank Gerald Agapov (Gerald) and Sergey Sukhov (Serega) for help in preparation of this round, Mary Belova (Delinur) for translation of statements, Michael Mirzayanov (MikeMirzayanov) for marvelous Codeforces and Polygon systems.
UPD1: Scoring will be next: 500, 1000, 1500, 2000, 2500.
UPD2: It was a misprint with scoring system, now it is correct.
UPD Contest finished, congratulations to winners!
Good Luck!