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	6184	3252	53%	1.8Easy	en
Cudak	0.00	502	1361	327	24%	6.6Hard	en
Dejavu	0.00	110	1379	565	41%	3.2Medium	en
Oktalni	0.00	5	3132	1653	53%	1.8Easy	en
Redoks	0.23	1083	122	38	31%	7.3Hard	en
Tajna	0.00	5	2408	1273	53%	2.1Easy	en