Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Carpool0.00109658511319%6.2Harden
Conformity0.006213875631045%1.6Easyen
Exchange Rates0.0013889825428%4.7Mediumen
Pseudoprime numbers0.00912991114838%3.5Mediumen