Problems from Croatian Open Competition in Informatics 2009/2010, contest #4

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Autori	0.00	5	60924	33022	54%	1.3Easy	en
Iks	0.00	296	832	400	48%	3.0Medium	en
Kaboom	0.01	5	80	22	28%	6.8Hard	en
Ograda	0.03	986	207	63	30%	7.1Hard	en
Palačinke	0.05	1766	81	11	14%	7.6Hard	en
Planina	0.00	5	25139	15029	60%	1.4Easy	en