Problems from Northwestern Europe Contest (NWERC) 2009

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
An Industrial Spy0.011201384121188%2.3Easyen
Common Subexpression Elimination0.146681239476%6.8Harden
Divisible Subsequences0.0071108392085%2.6Easyen
Fractal0.0086917513175%5.8Harden
Mountain Road0.08898553665%7.6Harden
Moving to Nuremberg0.087981249476%4.9Mediumen
Room Assignments0.121210725374%7.4Harden
Settlers of Catan0.0074033828083%4.2Mediumen
Simple Polygon0.0123541533380%4.8Mediumen
Wormholes0.001613834453%7.7Harden