Problems from Nada Open 2002

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cactus	0.05	916	72	37	51%	8.9Hard	en
Codes	0.01	396	243	162	67%	5.6Hard	en
Maximum Loot	0.03	1215	243	117	48%	8.2Hard	en