Problems from Waterloo Programming Contest 2009-06-13

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Convex Hull0.0137130020267%6.8Harden
Fire!0.0176386365376%5.3Mediumen
Nice Prefixes0.021426321650%8.2Harden
Slalom 20.1057516312275%5.4Mediumen
Tic Tac Toe0.0111742337633%8.6Harden