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%	6.5Hard	en
Lista	0.06	866	62	48	77%	5.3Medium	en
N-Puzzle	0.00	83	2268	2104	93%	1.6Easy	en
Patuljci	0.00	59	3015	2827	94%	1.6Easy	en
Tenkici	0.01	671	60	46	77%	6.7Hard	en
Trojke	0.00	97	394	336	85%	3.2Medium	en