Problems from Northwestern Europe Regional Contest (NWERC) 2015

Languages
Assigning Workstations0.0521617359424324%3.6Mediumen
Better Productivity0.0068950010521%7.7Harden
Cleaning Pipes0.01681111629627%5.4Mediumen
Debugging0.00254162841325%6.2Harden
Elementary Math0.00588329589927%5.3Mediumen
Flight Plan Evaluation0.0016191867741%5.4Mediumen
Guessing Camels0.0470998433934%6.7Harden
Hole in One0.0020463016321%8.6Harden
Identifying Map Tiles0.00683470216262%1.6Easyen
Jumbled Communication0.00712140133662%2.2Easyen
Kitchen Combinatorics0.00403126242233%5.3Mediumen