Saturday there will be COCI exam in this link: http://hsin.hr/coci/ You can study for the old COCI's here: https://oj.uz/problems/source/122 Also this site has an online judge. The contest will begin at:15.12.2018.14:00 GMT/UTC and it will take three hours.The registerations have begun. Good luck to everyone! NOTE: There will be Educational Codeforces Round 56 (Rated for Div. 2) at the same time Please do the Educational Codeforces Round 56 (Rated for Div. 2) a bit earlier or later.