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

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cetiri	0.00	59	3306	3061	93%	1.8Easy	en
Cudak	0.00	502	292	211	72%	6.4Hard	en
Dejavu	0.00	110	497	431	87%	3.0Medium	en
Oktalni	0.00	20	1635	1528	93%	1.7Easy	en
Redoks	0.23	1083	40	26	65%	7.7Hard	en
Tajna	0.00	91	1225	1131	92%	2.0Easy	en