Ukrainian Olympiad in Informatics

Ukrainian IT Olympiad

Ukrainian Mathematical Olympiad

Ukrainian Junior Olympiad in Informatics

Ukrainian Girls' Olympiad in Informatics

Ukrainian Physics Olympiad

Ukrainian Chemistry Olympiad

Ukrainian Astronomy Olympiad

International Olympiad in Informatics

International Mathematical Olympiad

International Physics Olympiad

International Chemistry Olympiad

European Junior Olympiad in Informatics

Central European Olympiad in Informatics

European Girls' Mathematical Olympiad

European Girls' Olympiad in Informatics

Balkan Olympiad in Informatics

Junior Balkan Olympiad in Informatics

Baltic Olympiad in Informatics