Problems from 2019 Atlantic Canadian Preliminary Contest

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
ARMPIT Computations0.003031077772%4.4Mediumen
Happy and Unhappy Numbers0.011761328967%5.2Mediumen
Largest Hoarding0.0011322618381%3.7Mediumen
Meeting Points0.01165865665%5.2Mediumen
Shortlex0.003614612787%3.3Mediumen
Space Mail0.094441167968%4.8Mediumen
UTF-80.0012436433191%2.1Easyen