Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635414193336%2.7Easyen
Concentration0.0170949516934%5.2Mediumen
Divide by 100...0.00746225173928%4.2Mediumen
Lane Switching0.001417116114512%6.3Harden
Matchings0.13190393815116%8.1Harden
Maximal Sequences0.02534111632729%6.5Harden
Musical Scales0.001222577156561%1.8Easyen
Quantum Superposition0.005233388104631%3.4Mediumen
Tetration0.0053808225759%1.7Easyen