Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 1015 310 31% 0.05 320 240 75% 5.1
Better Productivity 326 73 22% 0.00 81 56 69% 6.4
Cleaning Pipes 713 203 28% 0.01 159 128 81% 4.4
Debugging 706 195 28% 0.00 194 146 75% 5.8
Elementary Math 1188 406 34% 0.00 316 242 77% 5.1
Flight Plan Evaluation 102 47 46% 0.00 41 37 90% 4.2
Guessing Camels 615 204 33% 0.04 168 122 73% 6.3
Hole in One 216 44 20% 0.00 42 35 83% 6.1
Identifying Map Tiles 1775 1058 60% 0.00 999 952 95% 1.7
Jumbled Communication 963 655 68% 0.00 577 542 94% 1.9
Kitchen Combinatorics 530 183 35% 0.00 156 122 78% 5.6