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	123	89	72%	6.3Hard	en
Barica	0.02	692	94	68	72%	6.4Hard	en
Baza	0.05	477	271	203	75%	5.7Hard	en
Jabuke	0.00	243	1788	1695	95%	1.6Easy	en
Pascal	0.00	47	1201	978	81%	3.7Medium	en
Tri	0.00	100	6872	6393	93%	1.8Easy	en