Problems from Alberta Collegiate Programming Contest 2017

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
Anthony and Diablo 4270 1565 37% 0.00 1591 1385 87% 2.5
Concentration 517 179 35% 0.01 165 138 84% 4.5
Divide by 100... 3644 1091 30% 0.00 1013 774 76% 4.5
Lane Switching 576 82 14% 0.00 81 52 64% 6.8
Matchings 736 122 17% 0.13 120 46 38% 7.4
Maximal Sequences 817 198 24% 0.04 210 127 60% 6.8
Musical Scales 1973 1307 66% 0.00 1223 1171 96% 1.6
Quantum Superposition 1533 392 26% 0.00 356 279 78% 4.3
Tetration 2610 1479 57% 0.00 1315 1273 97% 1.5