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	64	9	14%	6.5Hard	en
Cudoviste	0.00	75	5229	3633	69%	1.5Easy	en
Kletva	0.01	492	344	82	24%	6.1Hard	en
Program	0.15	330	1013	224	22%	7.8Hard	en
Sok	0.00	73	3248	1916	59%	1.7Easy	en
Zuma	0.00	5	251	71	28%	7.6Hard	en