Educational Codeforces Round 15 will take place on 29 July 2016 at 18:00 MSK for the first and the second divisions.
The round will be unrated for all users and it will be held with extented ACM ICPC rules. You will have two hours to solve six problems. After that you will have one day to hack any solution you want. You will have access to copy any solution and test it locally.
UPD Competition completed! Thank you all! Editorial