Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Carpool0.001096977375%6.5Harden
Conformity0.00625431514495%1.4Easyen
Exchange Rates0.0011427623184%3.9Mediumen
Pseudoprime numbers0.0091107492286%3.2Mediumen