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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Expanding Rods----00--5.7Harden
Grid Speed----00--6.6Harden
Marbles On A Tree----00--3.0Mediumen
Three Powers----00--2.2Easyen
Work Reduction----00--5.0Mediumen