Problems from 2018 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Divisibility Shortcut0.0013118414579%4.2Mediumen
Driver's Dilemma0.009267161592%2.3Easyen
Fog Catchers0.14187714857%5.6Harden
Lorem Ipsum0.011349362569%6.5Harden
Luhn's Checksum Algorithm0.00862518236494%1.7Easyen
Multi-Year Contest Scheduling0.00828564682%3.7Mediumen
Party Game0.0017518514679%3.6Mediumen
Send More Money0.005001067874%6.8Harden