Problems from Waterloo Programming Contest 2009-10-03

	Add	Remove

Name	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Cantor	78	665	586	88%	2.7Easy	en
Meltdown	534	57	45	79%	4.4Medium	en
Pipes	1113	25	17	68%	5.8Hard	en