中欧的高中信息学编程竞赛，在世界上影响很大。每个参与CEOI的国家派出一组由四名的选手组成的队伍，还有队长和副队长。

中欧信息学竞赛(Central European Olympiad in Informatics)，中欧的高中信息学编程竞赛，在世界上影响很大。每个参与CEOI的国家派出一组由四名的选手组成的队伍，还有队长和副队长。比赛的规则和条例与国际信息学奥林匹克竞赛(International Olympiad in Informatics)类似。

1994年最先在罗马尼亚举办。

CEOI '94, Cluj, Romania (27 - 31 May 1994)

CEOI '95, Szeged, Hungary (29 May - 3 June 1995)

CEOI '96, Bratislava,Slovak Republic (9 - 13 October 1996)

CEOI '97, Nowy Sacz, Poland (17 - 24 July 1997)

CEOI '98, Zadar, Croatia (20 - 27 May 1998)

CEOI '99, Brno, Czech Republic (2-9 September 1999)

CEOI 2000, Cluj, Romania (24-31 August 2000)

CEOI 2001, Zalaegerszeg, Hungary (10 -17 August 2001)

CEOI 2002, Kosice, Slovakia (30 June -6 July 2002)

CEOI 2003, Münster, Germany (5 -12 July 2003)

CEOI 2004, Rzeszów, Poland (13 July -17 July 2004)

CEOI 2005, Sárospatak, Hungary (28 July - 4 August 2005)

CEOI 2006, Vrsar, Croatia (1 July - 8 July 2006)

CEOI 2007, Brno, Czech Republic (1 - 7 July 2007)

CEOI 2008, Dresden, Germany (6-12 July 2008)

CEOI 2009, Târgu Mureş, Romania (8-14 July 2009)

CEOI 2010, Kosice, Slovakia (12-19 July 2010)

CEOI 2011, Gdynia, Poland (7-12 July 2011)

CEOI 2012 Tata, Hungary (7-13July 2012)

CEOI 2013 - Primošten, Croatia (13-19 October 2013)

CEOI 2014 will be held in Jena, Germany (June 2014)

CEOI 2015 Czech Republic, Brno, Faculty of Informatics, Masaryk University(June 29 – July 4)

由于CEOI的题目质量比较高，所以还是受OIer 喜爱。