Problems from Waterloo Programming Contest 2007-09-23

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Carpool0.001096977375%6.3Harden
Conformity0.00625168489095%1.4Easyen
Exchange Rates0.0012625421283%4.1Mediumen
Pseudoprime numbers0.0091105690586%3.4Mediumen