Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Carpool0.001096977375%6.4Harden
Conformity0.00625345505995%1.5Easyen
Exchange Rates0.0011427122683%3.9Mediumen
Pseudoprime numbers0.0091107492286%3.2Mediumen