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IOI 2025 took place in Bolivia. Visit the official website to learn more.

Just finished   IOI 2025 in Bolivia

Croatian Open Competition in Informatics

December 19th, 2017 in Competitions

The fourth contest will be held on Saturday, 16th December 2017, starting at 14:00 (GMT/UTC). Check out your local times at http://hsin.hr/coci/next_contest.html.

You may use Python, Pascal, C, C++ or Java as your programming language of choice.

The two relevant websites are: http://hsin.hr/coci/ - information about the contest http://evaluator.hsin.hr/ - contest system

 

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Beginners

Not sure where to go? Click here to view some basic information on how to learn programming and prepare to win a medal at the IOI.

Statistics

A couple of volunteers maintain a separate page with stats about people who participated at the International Olympiad in Informatics.

Journal

The IOI publishes a journal every year, with original high-quality scientific papers related to education, contests and algorithms.

About

The IOI is one of five international science olympiads. The primary goal of the IOI is to stimulate interest in informatics (computing science) and information technology.

Another important goal is to bring together exceptionally talented pupils from various countries and to have them share scientific and cultural experiences.

Contestants

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