Problems from 2018 Atlantic Canadian Preliminary Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Divisibility Shortcut 506 127 25% 0.01 106 82 77% 3.9
Driver's Dilemma 724 366 51% 0.00 334 316 95% 2.0
Fog Catchers 32 11 34% 0.14 7 6 86% 5.7
Lorem Ipsum 76 24 32% 0.01 28 20 71% 6.9
Luhn's Checksum Algorithm 2938 1658 56% 0.00 1444 1386 96% 1.6
Multi-Year Contest Scheduling 76 31 41% 0.00 31 27 87% 4.4
Party Game 457 123 27% 0.00 96 71 74% 4.9
Send More Money 163 44 27% 0.01 54 35 65% 7.5