Problems from Croatian Open Competition in Informatics 2015/2016, contest #5

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Multigram	0.00	114	1374	685	50%	2.5Easy	en
Oop	0.44	1326	1113	102	9%	8.6Hard	en
Perica	0.01	119	1951	610	31%	4.2Medium	en
Podnizovi	0.04	980	129	36	28%	7.7Hard	en
Poplava	0.02	117	550	217	39%	4.1Medium	en
Zamka	0.00	61	19580	11023	56%	1.4Easy	en