Problems from Baltic Olympiad in Informatics 2018, practice session

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Citations	0.02	501	614	556	91%	1.4 - 6.5Hard	en et is ja lv pl ru
Ninety-nine	0.00	6	5667	5404	95%	1.2 - 3.3Medium	en et is ja lv pl ru
Simple Arithmetic	0.00	5	4576	4230	92%	1.2 - 4.5Medium	en et is ja lv pl ru sv