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	347	75	22%	6.4Hard	en
Jogurt	0.00	85	183	66	36%	7.6Hard	en
Prsteni	0.00	5	4673	2868	61%	1.6Easy	en
Sibice	0.00	5	25976	14336	55%	1.4Easy	en
Skener	0.00	5	8366	5325	64%	1.5Easy	en
Zbrka	0.01	5	701	224	32%	5.1Medium	en