09/08/18 14:25:39
irb> a = "001011"
irb> b = "000111"
irb> ax = a.split(//n)
irb> bx = b.split(//n)
irb> p (0..5).to_a.map{|i| ax[i].to_i & bx[i].to_i}.join
"000011"
09/08/18 14:25:39
irb> a = "001011"
irb> b = "000111"
irb> ax = a.split(//n)
irb> bx = b.split(//n)
irb> p (0..5).to_a.map{|i| ax[i].to_i & bx[i].to_i}.join
"000011"