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	6095	3223	53%	1.8Easy	en
Cudak	0.00	502	1351	326	24%	6.5Hard	en
Dejavu	0.00	110	1360	559	41%	3.2Medium	en
Oktalni	0.00	5	3095	1637	53%	1.8Easy	en
Redoks	0.23	1083	114	38	33%	7.2Hard	en
Tajna	0.00	5	2377	1260	53%	2.1Easy	en