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	5796	3078	53%	1.7Easy	en
Cudak	0.00	502	1265	302	24%	6.6Hard	en
Dejavu	0.00	110	1305	533	41%	3.2Medium	en
Oktalni	0.00	5	2922	1560	53%	1.8Easy	en
Redoks	0.23	1083	107	38	36%	7.3Hard	en
Tajna	0.00	5	2283	1211	53%	2.1Easy	en