using JuMP, Gurobi

m, n = 10, 10
B_budget = 920
Amin, Amax = 30, 35


c = zeros(Int, m, n) 
d = [sqrt((i-k)^2 + (j-l)^2) for i=1:m, j=1:n, k=1:m, l=1:n]