Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Authors
Full Solves
Ratio
Difficulty
Languages
Anthony and Diablo0.00632143183886%2.6Easyen
Concentration0.0170918514981%5.2Mediumen
Divide by 100...0.00742077159377%3.5Mediumen
Lane Switching0.00141720212964%5.6Harden
Matchings0.1314161737342%8.1Harden
Maximal Sequences0.0253431621468%6.4Harden
Musical Scales0.001221614152695%1.7Easyen
Quantum Superposition0.004601227102383%2.7Easyen
Tetration0.00162217212496%1.7Easyen