The students were competing individually and as teams in solving problems in algebra, combinatorics, geometry and number theory.
Competing in the Olympiad, held from August 27 to September 2, were 66 high school students from Austria, Croatia, the Czech Republic, Germany, Hungary, Lithuania, Poland, Slovakia, Slovenia, Switzerland and Ukraine.
The other members of the Croatian team, too, won medals in individual competition - Krunoslav Ivanovic of Zagreb won a silver medal, while Luka Bulic Braculj of Split and Kresimir Nezmah, Andrija Tomorad and Ivan Vojvodic of Zagreb won bronze medals.
The team was headed by Ivan Krijan and Ivan Kokan.
The Ukrainian team was the winner in the team competition, and the Hungarian team was third.