Problems from Croatian Open Competition in Informatics 2007/2008, contest #5

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Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Avogadro	0.01	482	125	90	72%	6.3Hard	en
Barica	0.02	692	94	68	72%	6.5Hard	en
Baza	0.05	477	274	204	74%	5.7Hard	en
Jabuke	0.00	149	1943	1842	95%	1.6Easy	en
Pascal	0.00	47	1256	1024	82%	3.5Medium	en
Tri	0.00	100	6974	6489	93%	1.7Easy	en