Integer::MIN = -( 2 ** 1024)

 

def second_max(array)

  return -1 if array.length < 2

  first = Integer::MIN

  second = Integer::MIN

  array.each do |element|

    i = element.to_i

    if(i > first)

      second = first

            first = i

    elsif (i > second && i != first)

            second = i

        else

          next

        end

  end

  second == Integer::MIN ? -1 : second

 

puts "Outputs:"

puts second_max(["123456543234556787654356787654367543", "567876543567876543567876543567876543567876543567876543", "123456323456754345643456543456654"])