electronics_shop.rb

#!/bin/ruby

#
# Complete the getMoneySpent function below.
#
def getMoneySpent(keyboards, drives, b)
    #
    # Write your code here.
    #
  keyboards= keyboards.sort.reverse
  drives= drives.sort.reverse
  flag = -1
  max=0
  keyboards.each do |keyboard|
    drives.each do |drive|
      if (keyboard + drive) <= b
        flag=0
        if (keyboard + drive) > max
          max=(keyboard + drive)
        end
      end
    end
  end
  if flag == -1
    return -1
    else return max
  end
end

fptr = File.open(ENV['OUTPUT_PATH'], 'w')

bnm = gets.rstrip.split

b = bnm[0].to_i

n = bnm[1].to_i

m = bnm[2].to_i

keyboards = gets.rstrip.split(' ').map(&:to_i)

drives = gets.rstrip.split(' ').map(&:to_i)

#
# The maximum amount of money she can spend on a keyboard and USB drive, or -1 if she can't purchase both items
#

moneySpent = getMoneySpent keyboards, drives, b

fptr.write moneySpent
fptr.write "\n"

fptr.close()