2017 North American Practice Contest 08

Problems

Name Solved / Tries Average tries Average tries to solve
A Which Base is it Anyway? 74/185 (40%) 2.23 2.24
B FBI Universal Control Numbers 56/110 (51%) 1.83 1.84
C m-ary Partitions 25/51 (49%) 1.76 1.60
D A Rational Sequence (Take 3) 50/63 (79%) 1.21 1.20
E Permutation Descent Counts 25/30 (83%) 1.20 1.20
F Tight-Fit Sudoku 7/25 (28%) 2.27 2.57
G Magical Mystery Knight's Tour 2/10 (20%) 2.00 2.50
H DA-Sort 32/73 (44%) 1.97 1.81
I A Mazing! 18/61 (30%) 2.54 1.83
J Smoothed Gardens 2/6 (33%) 2.00 2.00