Problems from Waterloo Programming Contest 2009-06-13

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Convex Hull	0.01	371	310	206	66%	6.8Hard	en
Fire!	0.01	763	895	680	76%	5.0Medium	en
Nice Prefixes	0.00	1426	34	17	50%	8.3Hard	en
Slalom 2	0.10	575	163	123	75%	5.2Medium	en
Tic Tac Toe	0.01	1089	238	80	34%	8.5Hard	en