Good day, codeforces)
Welcome to regular Codeforces round #246 for Div.2 participants. As always Div.1 participants can take part out of the competition.
The problems were prepared by authors Pavel Kholkin (HolkinPV) and Gerald Agapov (Gerald). Is not the first and definitely not the last time when we tried our best for you. Traditionally thanks to Michael Mirzayanov (MikeMirzayanov) for perfect Codeforces and Polygon systems and Mary Belova (Delinur) for translating the problems.
UPD: Score distribution will be standard — 500-1000-1500-2000-2500.
UPD2: The contest is over, we hope you enjoy it)
UPD3: the editorial is here
Congratulations to winners!:
We wish all participants good luck and enjoyment of solving problems)