Problems from 2016 Greater New York Region ACM Regional Contest

Submissions Users
Name   Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Mazing! 2719 606 22% 0.09 293 220 75% 5.3
A Rational Sequence (Take 3) 960 784 82% 0.00 646 619 96% 1.7
DA-Sort 836 416 50% 0.01 358 319 89% 3.0
FBI Universal Control Numbers 824 475 58% 0.00 410 379 92% 2.2
Magical Mystery Knight's Tour 908 38 4% 0.00 100 23 23% 9.5
Permutation Descent Counts 593 435 73% 0.00 324 313 97% 1.8
Smoothed Gardens 116 19 16% 0.03 26 16 62% 8.1
Tight-Fit Sudoku 334 124 37% 0.00 103 88 85% 4.2
Which Base is it Anyway? 1639 665 41% 0.00 616 545 88% 2.4
m-ary Partitions 751 350 47% 0.00 286 250 87% 3.5