2020 NA Regionals Practice Contest 11

Problems

  Name Solved / Tries Average tries Average tries to solve
A Bitwise 12/44 (27%) 1.76 1.50
B Conveyor Belts 20/45 (44%) 1.50 1.45
C Free Food 83/101 (82%) 1.07 1.02
D Hoppers 45/100 (45%) 1.54 1.53
E Largest Triangle 14/135 (10%) 2.93 1.93
F Magical String 0/18 (0%) 2.25 --
G Non-Prime Factors 41/218 (19%) 2.60 2.68
H Prolonged Password 5/18 (28%) 1.64 1.80
I Rectangular City 2/13 (15%) 1.30 1.00
J SG Coin 53/99 (54%) 1.52 1.60
K Sliding Blocks 4/15 (27%) 1.50 1.75
L Wi Know 12/54 (22%) 1.86 1.50