Problems from Baltic Olympiad in Informatics 2018, practice session

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Citations	0.02	382	660	601	91%	1.4 - 6.2Hard	en et is ja lv pl ru
Ninety-nine	0.00	6	6199	5903	95%	1.2 - 3.0Medium	en et is ja lv pl ru
Simple Arithmetic	0.00	5	5037	4646	92%	1.2 - 4.7Medium	en et is ja lv pl ru sv