作业3（6）

#include<stdio.h>
int main(void)
{
    int choice,i;
    double price;
    for(i=1;i<=5;i++){/*当i<=5时循环*/
        printf("[1]Select apples\n");
        printf("[2]Select pears\n");
        printf("[3]Select oranges\n");
        printf("[4]Select grapes\n");
        printf("[0]Select exit\n");
        printf("Enter choice:");/*输出*/
        scanf("%d",&choice);
        if(choice==0)/*当choice为0时*/
            break;
        switch(choice){/*对choice进行判断*/
        case 1:price=3.00;break;
        case 2:price=2.50;break;
        case 3:price=4.10;break;
        case 4:price=10.20;break;
        default:price=0.00;break;
        }
        printf("price=%0.2f\n",price);
    }
    return 0;
}