I woud like to announce unofficial translation of All-Ukrainian School Olympiad in Informatics, which will take place on Codeforces at Tuesday, 12th of April at 16:00 MSK. Contest will be based on problems from recently finished All-Ukrainian Olympiad in Infomatics - UOI2011. It will go according to the ACM-ICPC rules. Both teams and individuals are eligible for participation. The contest will be unrated.
We kindly request not to discuss problems from this olympiad before its ending and not to participate in this contest if you already know statement or solution of any problem from it.
The authors are: Daniel Neiter, Roman Iedemskyi, Roman Rizvanov, Ilya Porublyov and me (Iaroslav Tverdokhlib).
The PDF problem statements will be available via links: