Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Convex Hull	0.02	412	1449	315	22%	7.1Hard	en
Fire!	0.01	763	3970	913	23%	5.5Hard	en
Nice Prefixes	0.02	1786	75	12	16%	8.6Hard	en
Slalom 2	0.10	575	931	172	18%	5.6Hard	en
Tic Tac Toe	0.01	1174	1658	129	8%	8.7Hard	en