Problems from 2016 Greater New York Region ACM Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Mazing! 4100 1061 26% 0.09 422 313 74% 5.6
A Rational Sequence (Take 3) 1392 1129 81% 0.00 960 922 96% 1.7
DA-Sort 1160 592 51% 0.01 520 469 90% 2.9
FBI Universal Control Numbers 1222 695 57% 0.00 617 575 93% 2.1
Magical Mystery Knight's Tour 1615 67 4% 0.00 137 30 22% 9.6
m-ary Partitions 905 431 48% 0.00 350 306 87% 3.6
Permutation Descent Counts 747 547 73% 0.00 429 407 95% 2.0
Smoothed Gardens 133 23 17% 0.03 32 20 62% 8.2
Tight-Fit Sudoku 410 156 38% 0.00 130 110 85% 4.5
Which Base is it Anyway? 2255 934 41% 0.00 862 767 89% 2.5