Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635460192035%2.8Mediumen
Concentration0.0170949116233%5.2Mediumen
Divide by 100...0.00746376179628%3.8Mediumen
Lane Switching0.001913127815512%6.1Harden
Matchings0.13190397015116%8.2Harden
Maximal Sequences0.02534109532329%6.5Harden
Musical Scales0.001222587156961%1.7Easyen
Quantum Superposition0.005233615113431%3.1Mediumen
Tetration0.0053892226758%1.7Easyen