Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 1031 324 31% 0.05 332 253 76% 4.9
Better Productivity 326 73 22% 0.00 81 56 69% 6.4
Cleaning Pipes 721 209 29% 0.01 165 134 81% 4.4
Debugging 758 210 28% 0.00 218 161 74% 5.8
Elementary Math 1331 444 33% 0.00 353 274 78% 4.9
Flight Plan Evaluation 102 47 46% 0.00 41 37 90% 4.2
Guessing Camels 623 208 33% 0.04 173 126 73% 6.4
Hole in One 221 44 20% 0.00 44 35 80% 7.5
Identifying Map Tiles 1811 1087 60% 0.00 1027 980 95% 1.7
Jumbled Communication 1000 678 68% 0.00 597 562 94% 1.9
Kitchen Combinatorics 547 191 35% 0.00 167 130 78% 5.6