We are glad to introduce you regular Codeforces round for Div.2 participants. Everyone can traditionally participate in it.
Problems are prepared by Kholkin Pavel (HolkinPV), Rakhov Artem (RAD) and Nikolay Kuznetsov (NALP). Also thanks to Michael Mirzayanov (MikeMirzayanov) for perfect system, Mary Belova (Delinur) for translating problems and Agapov Gerald (Gerald) and Alexander Kouprin (Alex_KPR) for their help.
We decide to tell you some secret about todays problems. To solve them, you wiil propably use sort algorithm)
Score distribution is standard: 500, 1000, 1500, 2000, 2500.
We wish you success and high rating!
UPD: The contest is over, the tutorial will be here soon.
UPD2: Thanks everyone for participation. We hope you enjoy your problems. Congratulations to the winners:
Special congratulation to Touma_Kazusa, who solves all problems of the round.