Problems from Baltic Olympiad in Informatics 2018, practice session

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Citations	0.05	810	12	12	100%	1.4 - 6.5Hard	en et is ja lv pl ru
Ninety-nine	0.00	164	94	93	99%	1.2 - 3.3Medium	en et is ja lv pl ru
Simple Arithmetic	0.00	74	102	90	88%	1.2 - 5.0Medium	en et is ja lv pl ru sv