Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032649335%4.5Mediumen
Happy and Unhappy Numbers0.0125652915329%4.9Mediumen
Largest Hoarding0.0011358021637%3.6Mediumen
Meeting Points0.0116556212122%4.6Mediumen
Shortlex0.00543816738%3.1Mediumen
Space Mail0.1044476922830%4.2Mediumen
UTF-80.0012490938242%2.2Easyen