Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Total	Acc.	Ratio	Difficulty	Languages
Convex Hull	0.02	371	1587	348	22%	7.0Hard	en
Fire!	0.01	763	4237	980	23%	5.4Medium	en
Nice Prefixes	0.02	1426	102	16	16%	8.4Hard	en
Slalom 2	0.10	575	1003	182	18%	5.5Hard	en
Tic Tac Toe	0.01	1174	1821	143	8%	8.7Hard	en