Problems from Northwestern Europe Programming Contest (NWERC) 2006

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Prime Path 1177 729 62% 0.00 491 456 93% 2.2
Sudoku 362 37 10% 0.02 74 28 38% 8.7
The SetStack Computer 978 297 30% 0.00 199 160 80% 5.9
Ticket to Ride 25 7 28% 0.00 12 7 58% 6.5