Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Carpool0.00109659911419%6.4Harden
Conformity0.006213996636845%1.6Easyen
Exchange Rates0.0012695827028%4.3Mediumen
Pseudoprime numbers0.00913007115638%3.4Mediumen