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	60187	32732	54%	1.2Easy	en
Iks	0.00	296	781	380	49%	3.0Medium	en
Kaboom	0.01	5	68	22	32%	6.8Hard	en
Ograda	0.03	986	190	60	32%	6.7Hard	en
Palačinke	0.05	1766	69	11	16%	7.6Hard	en
Planina	0.00	5	24832	14872	60%	1.5Easy	en