Problems from Croatian Open Competition in Informatics 2006/2007, contest #4

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Ispiti	0.06	1400	366	75	20%	6.6Hard	en
Jogurt	0.00	85	195	66	34%	7.7Hard	en
Prsteni	0.00	5	4706	2881	61%	1.6Easy	en
Sibice	0.00	5	26053	14372	55%	1.3Easy	en
Skener	0.00	5	8389	5343	64%	1.5Easy	en
Zbrka	0.01	5	703	225	32%	5.0Medium	en