The International Olympiad in Informatics (IOI) is one of the most recognized computer science competitions in the world. The competition tasks are of algorithmic nature; however, the contestants have to show such basic
IT skills as problem analysis, design of algorithms and data structures, programming and testing. The winners of the IOI belong to the best young computer scientists in the world.
The IOI is one of the six international science Olympiads. The others are: mathematics (IMO), physics (IPhO), chemistry (IChO), astronomy (IAO) and biology (IBO). The official IOI web site is:
The first IOI was organized in Pravetz, Bulgaria, in 1989, with the assistance of UNESCO. The Olympiads in the 21'st century have taken place in Tampere, Finland (2001), Yong–In, South Korea (2002), Kenosha, Wisconsin, USA (2003), Athens, Greece (2004).
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The 17'th International Olympiad in Informatics took place in Nowy Sącz, Poland. Over 70 countries participated.