Croatian Open Competition in Informatics — COCI 2022/2023

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 2023. 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 2023 team. There will be three to five tasks and the contest will be five hours long. The contestants will have full feedback with at most 50 submissions per task.

The problems were set by dorijanlendvaj, ipaljak, keko37 and myself.

It will be held on Sunday, May 21, starting at 15:30 (GMT/UTC).

We have been notified about the clash with the AtCoder round. The starting time has changed, the new starting time is the one above, the old one was 14:00 GMT/UTC.

Check out your local times at https://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:

https://hsin.hr/coci/ — information about the contest

https://evaluator.hsin.hr/ — judging system

We hope that you will join us or encourage your students to do so!