Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ARMPIT Computations0.003031087872%4.2Mediumen
Happy and Unhappy Numbers0.011761328967%5.2Mediumen
Largest Hoarding0.0011322618481%3.6Mediumen
Meeting Points0.01165875766%4.9Mediumen
Shortlex0.003614712887%3.3Mediumen
Space Mail0.094441167968%4.8Mediumen
UTF-80.0012436433191%2.1Easyen