Croatian Open Competition in Informatics

Croatian Open Competition in Informatics
COCI 2015/2016
Internet online contest series

As part of the COCI series, we are hosting an Internet online contest
with problems from the Croatian Olympiad in Informatics 2016.
The contest is primarily intended for high school contestants,
but is open to all interested!

This contest is used in Croatia to select members of the IOI team.
There will be 4 TASKS and the contest will be 5 HOURS long.
It will be held on Saturday, April 2, starting at 14:00 (GMT/UTC).
Check out your local times at
You may use Python, Pascal, C, C++ or Java as your programming language of choice.

The two relevant websites are: - information about the contest - contest system
We hope that you will join us or encourage your students to do so!

This is the tenth year in a row that we are hosting the COCI series. You
can find the tasks (statements, test data and solutions) from the previous
nine years at There are almost 400 original tasks for
students to practice on!

Project Manager
Kresimir Malnar
Croatian Computer Science Association