Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032839935%4.0Mediumen
Happy and Unhappy Numbers0.0125657415828%4.8Mediumen
Largest Hoarding0.0011358321938%3.6Mediumen
Meeting Points0.0116557412822%4.7Mediumen
Shortlex0.00544517038%3.1Mediumen
Space Mail0.1044477422930%4.1Mediumen
UTF-80.0012491838542%2.2Easyen