Problems from Croatian Open Competition in Informatics 2007/2008, contest #3

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Cetiri	0.00	5	6249	3278	52%	1.8Easy	en
Cudak	0.00	502	1380	334	24%	6.5Hard	en
Dejavu	0.00	110	1397	573	41%	3.0Medium	en
Oktalni	0.00	5	3149	1660	53%	1.7Easy	en
Redoks	0.23	1083	128	38	30%	7.3Hard	en
Tajna	0.00	5	2415	1274	53%	2.1Easy	en