Problems from Northwestern Europe Contest (NWERC) 2009

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
An Industrial Spy0.011201384121188%2.3Easyen
Common Subexpression Elimination0.146681219579%6.0Harden
Divisible Subsequences0.0071106590685%3.1Mediumen
Fractal0.0086917212874%5.9Harden
Mountain Road0.08898553767%7.4Harden
Moving to Nuremberg0.087981269676%4.9Mediumen
Room Assignments0.121210725272%7.5Harden
Settlers of Catan0.0074033928083%4.2Mediumen
Simple Polygon0.0123541333280%4.8Mediumen
Wormholes0.001613844452%7.7Harden