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 Rates0.0012692826328%4.5Mediumen
Pseudoprime numbers0.00913002115338%3.5Mediumen