Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ARMPIT Computations0.003031067672%4.6Mediumen
Happy and Unhappy Numbers0.011761328967%5.1Mediumen
Largest Hoarding0.0011322618381%3.7Mediumen
Meeting Points0.01165875766%5.3Mediumen
Shortlex0.003614412688%3.2Mediumen
Space Mail0.094441167968%4.8Mediumen
UTF-80.0012436233091%2.2Easyen