Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 11373 2800 25% 0.05 1977 1715 87% 3.4
Better Productivity 463 98 21% 0.00 114 72 63% 7.9
Cleaning Pipes 963 271 28% 0.01 239 181 76% 5.5
Debugging 1275 353 28% 0.00 364 267 73% 6.0
Elementary Math 2384 724 30% 0.00 595 464 78% 5.0
Flight Plan Evaluation 168 76 45% 0.00 60 54 90% 5.2
Guessing Camels 960 322 34% 0.04 292 197 67% 6.6
Hole in One 268 53 20% 0.00 51 41 80% 7.9
Identifying Map Tiles 2921 1823 62% 0.00 1721 1652 96% 1.6
Jumbled Communication 1750 1143 65% 0.00 1031 960 93% 2.1
Kitchen Combinatorics 1345 441 33% 0.00 265 220 83% 5.0