Problems from Google Code Jam 2010 Online Competition Africa

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Get to Work0.0034360052788%2.8Mediumen
Odd Man Out0.00438607814195%1.6Easyen
Polygraph0.01810261662%7.0Harden
Qualification Round0.00311443068%6.6Harden