Problems from Nada Open 2002

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cactus	0.05	916	71	36	51%	9.0Hard	en
Codes	0.01	396	242	161	67%	5.7Hard	en
Maximum Loot	0.03	1215	245	119	49%	8.2Hard	en