作业三-6查询水果的单价

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


    for(i=1;i<=5;i++){
        printf("[1]Select apple \n");
        printf("[2]Select rears \n");
        printf("[3]Select oranges \n");
        printf("[4]Select grapes \n");
        printf("[0]exit \n");


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


        if(choice==0)
            break;
        switch(choice){
            case 1:price=3.00;break;/*跳出switch语句*/            
            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);
    }