Problems from Northwestern Europe Regional Contest (NWERC) 2015

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Assigning Workstations 12856 3125 24% 0.05 2239 1941 87% 3.3
Better Productivity 507 108 21% 0.00 122 79 65% 7.4
Cleaning Pipes 986 284 29% 0.01 250 192 77% 5.2
Debugging 1372 382 28% 0.00 396 291 73% 6.1
Elementary Math 2713 824 30% 0.00 655 510 78% 4.8
Flight Plan Evaluation 171 79 46% 0.00 62 56 90% 5.5
Guessing Camels 1027 343 33% 0.04 310 212 68% 6.9
Hole in One 294 60 20% 0.00 59 46 78% 8.4
Identifying Map Tiles 3109 1952 63% 0.00 1839 1766 96% 1.6
Jumbled Communication 1926 1244 65% 0.00 1125 1049 93% 2.1
Kitchen Combinatorics 1395 456 33% 0.00 280 232 83% 5.4