Problems from Waterloo Programming Contest 2005-09-17

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Ferry Loading III0.00461334786626%4.9Mediumen
Rock-Paper-Scissors Tournament0.023057705191125%3.7Mediumen
So you want to be a 2^n-aire?0.00206105557454%3.2Mediumen
Structural Equivalence0.00119317635%5.9Harden