Problems from 2018 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Divisibility Shortcut0.0013155119535%4.2Mediumen
Driver's Dilemma0.0092138967649%2.3Easyen
Fog Catchers0.141958671116%6.0Harden
Lorem Ipsum0.0113491323023%5.6Harden
Luhn's Checksum Algorithm0.00865110259751%1.7Easyen
Multi-Year Contest Scheduling0.008281595434%3.5Mediumen
Party Game0.0017554422441%3.7Mediumen
Send More Money0.0050067417826%6.9Harden