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

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Expanding Rods0.00297117224921%6.1Harden
Grid Speed0.0424531321411%6.3Harden
Marbles On A Tree0.002463168118037%3.1Mediumen
Three Powers0.00814181193646%2.3Easyen
Work Reduction0.00343249864226%5.3Mediumen