Problems from Waterloo Programming Contest 2009-06-13

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Convex Hull0.0137129920167%6.8Harden
Fire!0.0176386065276%5.3Mediumen
Nice Prefixes0.021426331648%8.3Harden
Slalom 20.1057516212175%5.3Mediumen
Tic Tac Toe0.0111742307332%8.6Harden