Problems from Alberta Collegiate Programming Contest 2017

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Anthony and Diablo 3421 1191 35% 0.00 1204 1044 87% 2.5
Concentration 478 163 34% 0.01 152 125 82% 4.5
Divide by 100... 3062 888 29% 0.00 788 602 76% 4.3
Lane Switching 440 63 14% 0.00 61 41 67% 8.0
Matchings 648 105 16% 0.13 105 38 36% 7.3
Maximal Sequences 653 149 23% 0.04 166 93 56% 6.6
Musical Scales 1170 838 72% 0.00 764 740 97% 1.5
Quantum Superposition 1268 276 22% 0.00 249 182 73% 5.7
Tetration 1792 970 54% 0.00 844 814 96% 1.6