Problems from Waterloo Programming Contest 2009-06-13

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Convex Hull0.02371149432922%7.0Harden
Fire!0.01763403392823%5.7Harden
Nice Prefixes0.021426841619%8.3Harden
Slalom 20.1057598417718%5.5Harden
Tic Tac Toe0.01117416631318%8.7Harden