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	102	72%	6.4Hard	en
Država	0.09	1490	30	19	63%	6.3Hard	en
Geppetto	0.00	95	1731	1520	88%	2.3Easy	en
Marko	0.00	58	1037	974	94%	1.8Easy	en
Savez	0.02	491	85	62	73%	5.8Hard	en
Vudu	0.11	409	199	165	83%	4.8Medium	en