2020 NA Regionals Practice Contest 14

Problems

Name Solved / Tries Average tries Average tries to solve
A Array of Discord 15/46 (33%) 2.71 2.73
B Big Brother 4/5 (80%) 1.25 1.25
C Coin Stacks 16/46 (35%) 2.71 2.81
D Dams in Distress 11/27 (41%) 1.93 1.45
E Exhaustive Experiment 3/9 (33%) 3.00 3.00
F Film Critics 4/7 (57%) 1.75 1.75
G Gig Combinatorics 12/29 (41%) 2.07 1.58
H Hiring and Firing 0/0 (0%) -- --
I Infection Estimation 1/11 (9%) 2.75 7.00
J Joining Flows 6/27 (22%) 3.38 2.83
K Keep Calm And Carry Off 6/36 (17%) 3.00 2.83
L Language Survey 0/2 (0%) 2.00 --
M Methodic Multiplication 18/23 (78%) 1.28 1.28