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	57090	31368	55%	1.3Easy	en
Iks	0.00	296	723	350	48%	3.0Medium	en
Kaboom	0.01	5	53	20	38%	7.3Hard	en
Ograda	0.03	986	174	58	33%	6.8Hard	en
Palačinke	0.05	1766	56	10	18%	7.6Hard	en
Planina	0.00	5	24089	14395	60%	1.5Easy	en