Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 6394 1436 22% 0.05 1073 911 85% 3.6
Better Productivity 376 79 21% 0.00 93 62 67% 7.7
Cleaning Pipes 872 240 28% 0.01 205 159 78% 5.1
Debugging 912 258 28% 0.00 274 203 74% 5.9
Elementary Math 1740 573 33% 0.00 460 354 77% 5.2
Flight Plan Evaluation 141 66 47% 0.00 51 47 92% 3.8
Guessing Camels 850 279 33% 0.04 253 172 68% 6.5
Hole in One 234 49 21% 0.00 47 38 81% 7.6
Identifying Map Tiles 2280 1407 62% 0.00 1341 1283 96% 1.6
Jumbled Communication 1322 874 66% 0.00 780 731 94% 2.0
Kitchen Combinatorics 832 302 36% 0.00 227 181 80% 5.5