Problems from Alberta Collegiate Programming Contest 2017

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Anthony and Diablo0.00635815203835%2.8Mediumen
Concentration0.0170952817132%5.2Mediumen
Divide by 100...0.00746805191528%3.7Mediumen
Lane Switching0.001417143317212%5.7Harden
Matchings0.131416107716115%8.1Harden
Maximal Sequences0.02534116333629%6.5Harden
Musical Scales0.001222720164460%1.7Easyen
Quantum Superposition0.004603969125732%2.8Mediumen
Tetration0.0054082236658%1.7Easyen