Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 8092 1760 22% 0.05 1309 1119 85% 3.6
Better Productivity 390 81 21% 0.00 102 64 63% 8.3
Cleaning Pipes 911 248 27% 0.01 221 165 75% 5.6
Debugging 1062 297 28% 0.00 306 226 74% 6.0
Elementary Math 1773 594 34% 0.00 476 370 78% 5.1
Flight Plan Evaluation 151 69 46% 0.00 53 49 92% 3.8
Guessing Camels 886 290 33% 0.04 262 178 68% 6.6
Hole in One 234 49 21% 0.00 47 38 81% 7.6
Identifying Map Tiles 2379 1486 62% 0.00 1413 1356 96% 1.5
Jumbled Communication 1423 941 66% 0.00 828 777 94% 2.0
Kitchen Combinatorics 1236 373 30% 0.00 244 200 82% 5.1