C语言实现查询自动售货机中的商品价格【实例分享】

int choice,i; double price; for(i=1;i<=5;i++){  //以下5行显示菜单  printf("[1]Select crisps/n"); //查询薯片价格  printf("[2]Select popcorn/n"); //查询爆米花价格  printf("[3]Select chocolate/n"); //查询巧克力价格  printf("[4]Select cola/n"); //查询可乐价格  printf("[0]exit/n"); //退出查询  printf("Enter choice:");  scanf("%d",&choice);     if(choice == 0) //如果输入为0，则提前结束循环    break;      switch(choice){   case 1:price = 3.0;break;   case 2:price = 2.5;break;   case 3:price = 4.0;break;   case 4:price = 3.0;break;   default:price = 0.0;break;  }   printf("price = %0.1f/n",price); } printf("Thank you/n"); return 0;