Problems from Croatian Open Competition in Informatics 2014/2015, contest #3

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Coci	0.12	732	186	52	28%	7.1Hard	en
Kamioni	0.27	1665	72	19	26%	6.4Hard	en
Silueta	0.01	647	216	80	37%	5.2Medium	en
Stogovi	0.07	872	1146	247	22%	7.8Hard	en