Croatian Open Competition in Informatics COCI 2016/2017 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 2017.
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 tomorrow, on Saturday, March 25, 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 eleventh year in a row that we are hosting the COCI series. You
can find the tasks (statements, test data and solutions) from the previous
ten years at There are ove 400 original tasks for
students to practice on!

Project Manager
Kresimir Malnar
Croatian Computer Science Association