Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Anthony and Diablo0.00632177187186%2.5Easyen
Concentration0.0170919115481%5.1Mediumen
Divide by 100...0.00742141164977%3.4Mediumen
Lane Switching0.00141721813964%5.7Harden
Matchings0.1114161888545%7.8Harden
Maximal Sequences0.0253432121768%6.3Harden
Musical Scales0.001221651156395%1.6Easyen
Quantum Superposition0.002171371115684%2.5Easyen
Tetration0.00162258216496%1.7Easyen