Problems from Croatian Open Competition in Informatics 2009/2010, contest #5

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Chuck	0.01	2060	76	9	12%	7.1Hard	en
Cudoviste	0.00	75	5298	3675	69%	1.5Easy	en
Kletva	0.01	492	349	83	24%	6.1Hard	en
Program	0.15	330	1017	226	22%	7.8Hard	en
Sok	0.00	73	3336	1960	59%	1.7Easy	en
Zuma	0.00	5	265	75	28%	7.7Hard	en