Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Carpool0.00109656811120%6.4Harden
Conformity0.006213743625846%1.6Easyen
Exchange Rates0.0013886123928%4.8Mediumen
Pseudoprime numbers0.00912935112938%3.5Mediumen