대회 장소 풀 수 있는 문제 총 문제
CEOI 2016 Piatra-Neamț, Romania 3 11
CEOI 2015 Brno, Czech Republic 16 16
CEOI 2014 Jena, Germany 0 6
CEOI 2013 Primošten, Croatia 14 14
CEOI 2012 Tata, Hungary 0 5
CEOI 2011 Gdynia, Poland 6 6
CEOI 2010 Košice, Slovakia 0 6
CEOI 2009 Târgu Mureş, Romania 5 5
CEOI 2008 Dresden, Germany 0 5
CEOI 2007 Brno, Czech Republic 0 4
CEOI 2006 Vrsar, Croatia 5 5
CEOI 2005 Sárospatak, Hungary 1 5
CEOI 2004 Rzeszów, Poland 0 7
CEOI 2003 Münster, Germany 4 4
CEOI 2002 Košice, Slovakia 5 6
CEOI 2001 Zalaegerszeg, Hungary 0 4
CEOI 2000 Cluj-Napoca, Romania 0 0
CEOI 1999 Brno, Czech Republic 2 6
CEOI 1998 Zadar, Croatia 3 6
CEOI 1997 Nowy Sącz, Poland 0 6