Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
ARMPIT Computations0.003032198037%6.0Harden
Happy and Unhappy Numbers0.0125637112333%6.7Harden
Largest Hoarding0.0011350820741%3.6Mediumen
Meeting Points0.0116752211221%5.6Harden
Shortlex0.00537214840%3.3Mediumen
Space Mail0.1045173222030%4.4Mediumen
UTF-80.0012486736742%2.2Easyen