Problems from Croatian Open Competition in Informatics 2006/2007, contest #3

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bicikli	0.01	375	274	191	70%	6.6Hard	en
Lista	0.06	866	59	44	75%	5.8Hard	en
N-Puzzle	0.00	83	2013	1858	92%	1.7Easy	en
Patuljci	0.00	59	2926	2742	94%	1.7Easy	en
Tenkici	0.01	671	59	45	76%	6.0Hard	en
Trojke	0.00	97	388	331	85%	3.3Medium	en