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

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Expanding Rods0.0029719514675%5.9Harden
Grid Speed0.04245319947%6.3Harden
Marbles On A Tree0.0024682973789%3.1Mediumen
Three Powers0.00811598145491%2.3Easyen
Work Reduction0.0034352938873%5.2Mediumen