Hello, Codeforces!
I'd like to invite you to Codeforces Round #386 (Div. 2). It'll be held on Sunday, December 16 at 14:35 MSK and as usual Div. 1 participants can join out of competition. Note that round starts in the unusual time!
This round is held on the tasks of the municipal stage All-Russian Olympiad of Informatics 2016/2017 year in city Saratov. They were prepared by Olympiad center of programmers of Saratov SU. A convincing request to the participants of the municipal stage in Saratov to do not participate in this contest.
Great thanks to Grigory Reznikov (vintage_Vlad_Makeev) and Nikolay Kalinin (KAN) for helping me preparing the contest, to Mike Mirzayanov (MikeMirzayanov) for the great Codeforces and Polygon platform and to Alexey Ripinen (Perforator) and Roman Glazov (Roms) for writing solutions.
You will be given six problems and two hours to solve them. The scoring distribution will be announced later. Good luck everyone!