Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Carpool0.00109658511319%6.2Harden
Conformity0.006213891632045%1.6Easyen
Exchange Rates0.0012693726528%4.4Mediumen
Pseudoprime numbers0.00913003115438%3.4Mediumen