Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Convex Hull	0.02	371	1499	329	22%	7.1Hard	en
Fire!	0.01	763	4036	931	23%	5.8Hard	en
Nice Prefixes	0.02	1426	84	16	19%	8.4Hard	en
Slalom 2	0.10	575	987	178	18%	5.6Hard	en
Tic Tac Toe	0.01	1174	1736	133	8%	8.8Hard	en