Problems from Northwestern Europe Programming Contest (NWERC) 2006

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Prime Path 884 550 62% 0.00 405 376 93% 2.3
Sudoku 343 35 10% 0.02 63 26 41% 8.3
The SetStack Computer 936 283 30% 0.00 184 148 80% 5.9
Ticket to Ride 18 5 28% 0.00 7 5 71% 5.5