Problems from Waterloo Programming Contest 1999-01-31

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
CDVII	0.00	551	80	53	66%	4.9Medium	en
Doublets	0.04	971	264	136	52%	7.9Hard	en es fr pt
Factovisors	0.00	291	1355	938	69%	5.6Hard	en
Spaghetti	0.00	1217	20	4	20%	9.0Hard	en
The Trip	0.00	184	447	310	69%	5.8Hard	en