Problems from Baltic Olympiad in Informatics 2018, practice session

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Citations	0.02	382	654	595	91%	1.4 - 6.6Hard	en et is ja lv pl ru
Ninety-nine	0.00	6	5974	5686	95%	1.2 - 3.2Medium	en et is ja lv pl ru
Simple Arithmetic	0.00	5	4958	4574	92%	1.2 - 4.9Medium	en et is ja lv pl ru sv