Problems from Baltic Olympiad in Informatics 2018, practice session

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Citations	0.02	810	7	6	86%	1.4 - 6.4Hard	en et is ja lv pl ru
Ninety-nine	0.00	164	31	26	84%	1.2 - 3.0Medium	en et is ja lv pl ru
Simple Arithmetic	0.00	74	31	28	90%	1.2 - 4.6Medium	en et is ja lv pl ru sv