Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635732201135%2.9Mediumen
Concentration0.0170951417033%5.3Mediumen
Divide by 100...0.00746657188328%3.7Mediumen
Lane Switching0.001417140716812%5.8Harden
Matchings0.131903102615815%8.1Harden
Maximal Sequences0.02534114933629%6.5Harden
Musical Scales0.001222701163961%1.7Easyen
Quantum Superposition0.005233862121832%2.9Mediumen
Tetration0.0054049235558%1.7Easyen