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;
}