Problems from 2018 Atlantic Canadian Preliminary Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Divisibility Shortcut 450 99 22% 0.01 86 63 73% 4.0
Driver's Dilemma 491 235 48% 0.00 206 193 94% 2.0
Fog Catchers 32 11 34% 0.14 7 6 86% 5.7
Lorem Ipsum 67 19 28% 0.01 25 17 68% 7.1
Luhn's Checksum Algorithm 1567 925 59% 0.00 850 816 96% 1.5
Multi-Year Contest Scheduling 65 23 35% 0.00 25 22 88% 3.7
Party Game 405 96 24% 0.00 81 56 69% 4.5
Send More Money 131 37 28% 0.01 45 30 67% 7.2