Croatian Open Competition in Informatics COCI 2016/2017 Internet online contest series

The second contest in the series will be held on
this Saturday, November 5, starting at 14:00 (GMT/UTC).
Check out your local times at

Each contest will be three hours long and will feature six tasks.
The tasks will be of widely varying difficulty; we hope that many
beginner or up-and-coming contestants will participate, as well as
the more experienced ones.

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