Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Carpool0.001096977375%6.3Harden
Conformity0.00625251496895%1.5Easyen
Exchange Rates0.0012627022483%4.0Mediumen
Pseudoprime numbers0.0091106891686%3.3Mediumen