实验3
#include <stdio.h>
struct goods
{
int num;
char name[20];
int price;
int amount;
};
struct goods good[10]=
{
{1,"Table-water",1,0},
{2,"Table-water",1,0},
{3,"Table-water",1,0},
{4,"Coca-Cola",2,0},
{5,"Milk",2,0},
{6,"Beer",3,0},
{7,"Orange-Juice",3,0},
{8,"Sprite",3,0},
{9,"Oolong-Tea",4,0},
{10,"Green-Tea",4,0}
};
int main()
{
int sum=0,num,change,total=0,money=0,i=0;
while(1)
{
scanf("%d",&money);
if(money==-1)
{
break;
}
sum=sum+money;
}
while(1)
{
scanf("%d",&num);
if(num==-1)
{
break;
}
switch(num)
{
case 1:
{
total=total+good[0].price;
good[0].amount=good[0].amount+1;
break;
}
case 2:
{
total=total+good[1].price;
good[1].amount=good[1].amount+1;
break;
}
case 3:
{
total=total+good[2].price;
good[2].amount=good[2].amount+1;
break;
}
case 4:
{
total=total+good[3].price;
good[3].amount=good[3].amount+1;
break;
}
case 5:
{
total=total+good[4].price;
good[4].amount=good[4].amount+1;
break;
}
case 6:
{
total=total+good[5].price;
good[5].amount=good[5].amount+1;
break;
}
case 7:
{
total=total+good[6].price;
good[6].amount=good[6].amount+1;
break;
}
case 8:
{
total=total+good[7].price;
good[7].amount=good[7].amount+1;
break;
}
case 9:
{
total=total+good[8].price;
good[8].amount=good[8].amount+1;
break;
}
case 10:
{
total=total+good[9].price;
good[9].amount=good[9].amount+1;
break;
}
}
}
if(total>sum)
{
printf("Insufficient money");
}
else
{
change=sum-total;
printf("Total:%dyuan,change:%dyuan\n",sum,change);
for(i=0;i<10;i++)
{
if(good[i].amount!=0)
{
printf("%s:%d;",good[i].name,good[i].amount);
}
}
}
}
