Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 912 281 31% 0.05 290 218 75% 4.9
Better Productivity 301 70 23% 0.00 78 53 68% 6.8
Cleaning Pipes 672 195 29% 0.01 146 120 82% 3.9
Debugging 584 179 31% 0.00 176 137 78% 5.3
Elementary Math 1101 390 35% 0.00 290 229 79% 4.6
Flight Plan Evaluation 97 45 46% 0.00 39 35 90% 4.2
Guessing Camels 593 197 33% 0.04 159 115 72% 6.3
Hole in One 214 43 20% 0.00 40 34 85% 5.7
Identifying Map Tiles 1331 846 64% 0.00 797 761 95% 1.6
Jumbled Communication 825 587 71% 0.00 520 490 94% 1.9
Kitchen Combinatorics 506 172 34% 0.00 146 115 79% 5.6