Problems from Croatian Open Competition in Informatics 2007/2008, contest #6

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cestarine	0.04	371	55	38	69%	7.3Hard	en
George	0.00	308	584	541	93%	1.9Easy	en
Granica	0.00	105	419	318	76%	4.5Medium	en
Princeza	0.05	907	64	44	69%	6.7Hard	en
Semafori	0.00	93	1462	1351	92%	1.9Easy	en