Problems from 2018 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Divisibility Shortcut0.0013118214479%4.2Mediumen
Driver's Dilemma0.009266260692%2.3Easyen
Fog Catchers0.14187715960%5.3Mediumen
Lorem Ipsum0.011349372670%6.1Harden
Luhn's Checksum Algorithm0.00862511235894%1.7Easyen
Multi-Year Contest Scheduling0.00828574782%3.7Mediumen
Party Game0.0017518514679%3.7Mediumen
Send More Money0.005001067874%6.8Harden