Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.00452874248%5.4Mediumen
Happy and Unhappy Numbers0.0125631311135%5.8Harden
Largest Hoarding0.0011344218642%3.7Mediumen
Meeting Points0.012204387818%4.8Mediumen
Shortlex0.00531512339%4.1Mediumen
Space Mail0.1045165620131%5.4Mediumen
UTF-80.0012481133641%2.3Easyen