Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Carpool0.001096987476%6.2Harden
Conformity0.00625314502895%1.5Easyen
Exchange Rates0.0011427222683%4.0Mediumen
Pseudoprime numbers0.0091107292086%3.3Mediumen