Problems from 2019 Atlantic Canadian Preliminary Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
ARMPIT Computations 24 14 58% 0.00 12 11 92% 5.1
Happy and Unhappy Numbers 77 45 58% 0.01 28 25 89% 4.3
Largest Hoarding 88 47 53% 0.00 39 37 95% 2.5
Meeting Points 199 24 12% 0.01 35 19 54% 6.5
Shortlex 78 39 50% 0.00 35 33 94% 3.4
Space Mail 70 28 40% 0.28 16 12 75% 6.5
UTF-8 175 95 54% 0.00 79 74 94% 3.1