Hello everybody and welcome to the first summer round - Codeforces Beta Round #73.
Today we are the authors of round: kuniavski (Pavel Kunyavskiy) and Zlobober (Max Akhmedov). Competition will take place in both divisions. Totally there will be 7 different problems with variations in divisions, 5 in each division. We hope everybody shows their best and solve as many problem as they can.
Thanks to RAD (Artem Rakhov) for the help and advices in preparing of the round, Delinur (Maria Belova) for the problem translation and MikeMirzayanov (Michael Mirzayanov) for such a great site.
GL & HF!
Congratulations to the winners
Some statistics. First sucsessful submits and hacks: