Problems from Northwestern Europe Programming Contest (NWERC) 2006

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Prime Path 1234 768 62% 0.00 520 484 93% 2.2
Sudoku 375 37 10% 0.02 77 28 36% 8.8
The SetStack Computer 987 302 31% 0.00 202 163 81% 5.9
Ticket to Ride 25 7 28% 0.00 12 7 58% 6.5