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	1332	666	50%	2.7Easy	en
Oop	0.44	1326	1093	102	9%	8.6Hard	en
Perica	0.01	119	1896	597	31%	4.3Medium	en
Podnizovi	0.04	980	109	35	32%	7.9Hard	en
Poplava	0.02	117	512	207	40%	4.2Medium	en
Zamka	0.00	61	19131	10834	57%	1.4Easy	en