Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Convex Hull	0.02	412	1433	317	22%	7.0Hard	en
Fire!	0.01	763	3894	895	23%	5.8Hard	en
Nice Prefixes	0.02	1786	65	12	18%	8.6Hard	en
Slalom 2	0.10	575	908	171	19%	5.8Hard	en
Tic Tac Toe	0.01	1174	1593	116	7%	8.8Hard	en