模拟售货机VI

售货机销售三种商品（糖 $0.8，薯片 $0.6,口香糖 $0.4）售货机只接受5美元、1美元纸币、25美分、10美分、5美分硬币。检查输入的钱数与实际总价的差额，如果不够提醒投入更多并亮灯，输入过多，则输出找回用户的钱以及各个面值的钱币个数。-VI analog vending machines selling three commodities (sugar, $ 0.8, $ 0.6 chips, gum $ 0.4) vending machines only accept $ 5, $ 1 bill, 25 cents, 10 cents, 5 cents coins. The total amount of money and the difference between the actual check input, if not invest more alert and lights, too much input, output recovered the money and the number of users of each coin denomination.