Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ARMPIT Computations0.003031057773%4.3Mediumen
Happy and Unhappy Numbers0.011761329068%4.9Mediumen
Largest Hoarding0.0011322618481%3.6Mediumen
Meeting Points0.01165875766%5.1Mediumen
Shortlex0.003614112387%3.2Mediumen
Space Mail0.094441148070%4.4Mediumen
UTF-80.0012436032891%2.2Easyen