Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032588834%6.1Harden
Happy and Unhappy Numbers0.0125649614229%5.3Mediumen
Largest Hoarding0.0011356521338%3.7Mediumen
Meeting Points0.0116555411821%5.3Mediumen
Shortlex0.00542316238%3.3Mediumen
Space Mail0.1044476322529%4.6Mediumen
UTF-80.0012489837442%2.2Easyen