Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032328235%5.9Harden
Happy and Unhappy Numbers0.0125639612532%6.8Harden
Largest Hoarding0.0011352020640%3.6Mediumen
Meeting Points0.0116553311622%5.7Harden
Shortlex0.00538315139%3.3Mediumen
Space Mail0.1045173822030%4.4Mediumen
UTF-80.0012487636942%2.2Easyen