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	59619	32476	54%	1.3Easy	en
Iks	0.00	296	763	372	49%	3.1Medium	en
Kaboom	0.01	5	62	22	35%	6.8Hard	en
Ograda	0.03	986	184	60	33%	6.7Hard	en
Palačinke	0.05	1766	63	11	17%	7.5Hard	en
Planina	0.00	5	24728	14820	60%	1.5Easy	en