Problems from Croatian Open Competition in Informatics 2015/2016, contest #2

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Artur	0.01	566	142	103	73%	6.3Hard	en
Država	0.09	1490	30	19	63%	6.8Hard	en
Geppetto	0.00	95	1949	1719	88%	2.0Easy	en
Marko	0.00	58	1059	995	94%	1.8Easy	en
Savez	0.02	377	84	62	74%	6.0Hard	en
Vudu	0.11	409	199	165	83%	4.7Medium	en