The last round of the 2015 will take place on the 30-th of December (starting time). The contest will last 3 hours.
It won't be a usual round. Both divisions will compete together. You will get 8 problems to solve in 3 hours. Points will decrease slower than usually — otherwise you would get eps for solving a problem at the end. Scoring will be announced just before a contest. So will the speed of the points/minute loss.
My goal was to provide you a diverse problemset with interesting problems for all contestants. During a contest you should consider reading not only the next problem but the few next ones.
You will get this round thanks to work of many people. I am a problem setter. GlebsHP helps me with everything (a lot). AlexFetisov, johnasselta and Zlobober are testers (thanks guys!). Delinur translates everything into Russian. Last but not least, MikeMirzayanov provides two awesome platforms — CF and Polygon. And there are so many people involved in Codeforces. Thank you all.
Let me give you more motivation to compete. The New Year is coming for Limak and he needs your help! Limak is a little polar bear by the way. You will help him, won't you?
I wish you great fun and no frustrating bugs. Looking forward to seeing you!
Points will decrease with such a speed that submitting a problem at the end would give you the same number of points as in standard 2-hours rounds. Points for problems are 500-750-1250-1750-2500-2500-3000-3500. Enjoy the last contest in this year!
Instead of refreshing standings you can read an editorial. I will keep polishing it.
I'm amazed by the number of high-rated participants today. Fight was really tough and winners truly deserve respect.
It was the last Codeforces round in the 2015. Thanks for participating. And kudos for Mike for creating CF.
I wish you all an awesome year. Let the 2016 be (even) better than the passing year. Cheers.