Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 3112 778 25% 0.05 633 529 84% 3.3
Better Productivity 326 73 22% 0.00 81 56 69% 6.4
Cleaning Pipes 764 213 28% 0.01 182 138 76% 5.4
Debugging 799 226 28% 0.00 238 176 74% 5.7
Elementary Math 1418 478 34% 0.00 383 298 78% 4.9
Flight Plan Evaluation 110 52 47% 0.00 42 38 90% 4.2
Guessing Camels 650 216 33% 0.04 186 132 71% 6.5
Hole in One 229 46 20% 0.00 45 36 80% 7.4
Identifying Map Tiles 1917 1161 61% 0.00 1101 1052 96% 1.6
Jumbled Communication 1126 736 65% 0.00 650 609 94% 1.9
Kitchen Combinatorics 608 219 36% 0.00 184 144 78% 5.6