Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Convex Hull	0.01	371	1617	360	22%	6.8Hard	en
Fire!	0.01	763	4267	993	23%	5.3Medium	en
Nice Prefixes	0.02	1426	128	20	16%	8.2Hard	en
Slalom 2	0.10	575	1029	188	18%	5.4Medium	en
Tic Tac Toe	0.01	1174	1836	144	8%	8.7Hard	en