第三章7

#include<stdio.h>
int main(void)
{
int i,choice;
double price;

for(i=1;i<=5;i++){
printf("[1]select crisps\n");
printf("[2]select popcorn\n");
printf("[3]select chocolate\n");
printf("[4]select cola\n");
printf("[0]exit\n");

printf("Enter choice:");
scanf("%d",&choice);

if(choice==0)
break;
switch(choice){
case 1:price=3.0;break;
case 2:price=2.5;break;
case 3:price=4.0;break;
case 4:price=3.5;break;
default:price=0.0;break;
}
printf("price=%.1f\n",price);
}
printf("Thanks");

return 0;
}