Problems from Waterloo/Alberta Programming Contest 2004-06-12

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Expanding Rods0.00297109323221%6.1Harden
Grid Speed0.0424531051312%6.3Harden
Marbles On A Tree0.002642946111338%3.0Mediumen
Three Powers0.00813942179646%2.3Easyen
Work Reduction0.00343242661725%5.5Harden