Problems from Waterloo Programming Contest 2005-09-17

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Ferry Loading III0.00461361792726%4.7Mediumen
Rock-Paper-Scissors Tournament0.012988192204525%3.6Mediumen
So you want to be a 2^n-aire?0.00174128863549%3.2Mediumen
Structural Equivalence0.00119354611%5.9Harden