Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635843205035%2.7Easyen
Concentration0.0170954017332%5.3Mediumen
Divide by 100...0.00746884194328%3.6Mediumen
Lane Switching0.001417146417712%5.7Harden
Matchings0.131416108816515%8.1Harden
Maximal Sequences0.02534117434029%6.5Harden
Musical Scales0.001222747166261%1.7Easyen
Quantum Superposition0.004604026127832%2.7Easyen
Tetration0.0054129238158%1.7Easyen