Hi all,↵
↵
join us on the fourth round which will be held on Saturday, [January 18th at 14:00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=18&month=01&year=2020&hour=14&min=0&sec=0&p1=0).↵
↵
If you are not familiar with the COCI contest format, we encourage you to read the [announcement](http://hsin.hr/coci/announcement.html) for the new season. You can also find the problems from the previous rounds [here](http://hsin.hr/coci/).↵
↵
Feel free to discuss the problems in the comment section after the contest ends.↵
↵
See you on Saturday!↵
↵
join us on the fourth round which will be held on Saturday, [January 18th at 14:00 UTC](https://www.timeanddate.com/worldclock/fixedtime.html?day=18&month=01&year=2020&hour=14&min=0&sec=0&p1=0).↵
↵
If you are not familiar with the COCI contest format, we encourage you to read the [announcement](http://hsin.hr/coci/announcement.html) for the new season. You can also find the problems from the previous rounds [here](http://hsin.hr/coci/).↵
↵
Feel free to discuss the problems in the comment section after the contest ends.↵
↵
See you on Saturday!↵
