Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Anthony and Diablo0.00632168186286%2.6Easyen
Concentration0.0170919015381%5.2Mediumen
Divide by 100...0.00742118163077%3.4Mediumen
Lane Switching0.00141721513663%5.7Harden
Matchings0.1114161838345%7.7Harden
Maximal Sequences0.0253431921668%6.4Harden
Musical Scales0.001221643155495%1.7Easyen
Quantum Superposition0.002171332111884%2.6Easyen
Tetration0.00162250215496%1.8Easyen