、开始仿真时，应随机产生VM中三种商品的存货量（不能超过其最大容纳量）和VM中三种硬币的数量（分别不小于C5、C10、C25枚-To begin simulation should be randomly generated VM three commodities inventory (can not exceed its maximum capacity) and the VM three the number of coins (not less than, respectively, C