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

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Expanding Rods0.00297113723921%6.1Harden
Grid Speed0.0424531281411%6.3Harden
Marbles On A Tree0.002463124116537%3.0Mediumen
Three Powers0.00814154191646%2.3Easyen
Work Reduction0.00343249264026%5.4Mediumen