Let me remind you that on the 9th of March, at 08:00 the second qualification round of the VK Cup 2012 championship will start.
It is the last chance to advance to the Round 1. Contestants who gain a score equal to the 800-th place finisher score or greater will advance to the Round 1.
You will find a few simple problems, roughly ordered by the increasing complexity. During the qualification rounds the problems are judged only on pretests and system testing will take place after the end of the qualification round (round continues for 24 hours). The pretests do not cover all possible cases of input data, test your programs carefully! The qualification rounds have no hacks or decreasing values of the problems.
The round will last for 24 hours, but it does not mean that we encourage you to spend all this time solving of problems. We hope that most participants will cope with the problems (or with most problems) in a shorter period of time. This duration of the round is chosen so that each participant could find a convenient time to participate.
Before the end of the round it is strictly forbidden to publish the problem statements/solutions/any thoughts and ideas about them elsewhere. It is forbidden to talk about the problems, discuss the statements and so on. Be honest and let the best men make it into Round 1. When the Qualification Round is over, you can discuss the problems and solutions.
You can register for the round at any time up to its end. The results of the round will not affect the rating, non-competitive participation in the round is not allowed. However, all tasks will go to the archive after the end of the round.
Best of luck and enjoy solving the problems!
UPD: System testing completed, score to advance to Round 1 is
3500 3450. Congratulations to all advancers!
UPD 2: We've removed cheaters and score to advance decreased to 3450!