Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032167937%6.2Harden
Happy and Unhappy Numbers0.0125636511933%6.9Harden
Largest Hoarding0.0011350820741%3.6Mediumen
Meeting Points0.0116752211221%5.6Harden
Shortlex0.00537114740%3.3Mediumen
Space Mail0.1045170321831%3.7Mediumen
UTF-80.0012486336442%2.2Easyen