Problems from Northwestern Europe Programming Contest (NWERC) 2006

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Pie0.029934730588%2.7Easyen
Prime Path0.00327107799592%2.0Easyen
Sudoku0.0112491064038%8.0Harden
The Bookcase0.021017501326%8.2Harden
The SetStack Computer0.0022642932776%5.2Mediumen
Ticket to Ride0.001566351954%7.4Harden