Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 2926 734 25% 0.05 595 496 83% 3.1
Better Productivity 326 73 22% 0.00 81 56 69% 6.4
Cleaning Pipes 745 212 28% 0.01 171 137 80% 4.7
Debugging 788 221 28% 0.00 233 171 73% 5.7
Elementary Math 1383 466 34% 0.00 371 288 78% 5.0
Flight Plan Evaluation 102 47 46% 0.00 41 37 90% 4.2
Guessing Camels 648 215 33% 0.04 185 131 71% 6.3
Hole in One 229 46 20% 0.00 45 36 80% 7.4
Identifying Map Tiles 1843 1115 60% 0.00 1056 1008 95% 1.6
Jumbled Communication 1101 719 65% 0.00 635 595 94% 1.9
Kitchen Combinatorics 587 210 36% 0.00 179 141 79% 5.5