Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 3328 824 25% 0.05 667 556 83% 3.2
Better Productivity 328 74 23% 0.00 83 57 69% 6.3
Cleaning Pipes 774 218 28% 0.01 186 142 76% 5.0
Debugging 803 230 29% 0.00 241 179 74% 5.7
Elementary Math 1495 495 33% 0.00 404 315 78% 5.0
Flight Plan Evaluation 110 52 47% 0.00 42 38 90% 4.2
Guessing Camels 656 217 33% 0.04 189 133 70% 6.4
Hole in One 229 46 20% 0.00 45 36 80% 7.6
Identifying Map Tiles 1979 1205 61% 0.00 1143 1093 96% 1.6
Jumbled Communication 1214 789 65% 0.00 694 650 94% 1.9
Kitchen Combinatorics 619 224 36% 0.00 187 148 79% 5.5