Problems from Waterloo Programming Contest 2009-10-03

	Add	Remove

Name	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cantor	78	694	610	88%	2.7Easy	en
Meltdown	534	57	44	77%	5.6Hard	en
Pipes	1113	26	18	69%	6.0Hard	en