Problems from Baltic Olympiad in Informatics 2018, day 1

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Love Polygon	0.04	930	1198	1163	97%	1.3 - 6.7Hard	de en et is ja lt lv no pl ru sv
Martian DNA	0.01	452	1821	1759	97%	1.3 - 3.8Medium	de en et is ja lt lv no pl ru sv
Worm Worries	0.28	1874	2002	1934	97%	1.4 - 9.3Hard	de en et is lt lv no pl ru sv