Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635343190536%2.8Mediumen
Concentration0.0170949416934%5.3Mediumen
Divide by 100...0.00745828163528%4.5Mediumen
Lane Switching0.001417111914113%5.7Harden
Matchings0.13190393615016%8.2Harden
Maximal Sequences0.02730109931328%6.6Harden
Musical Scales0.001222555155261%1.8Easyen
Quantum Superposition0.00523317697231%3.6Mediumen
Tetration0.0053759222859%1.6Easyen