#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 "); printf("[2]Select pears "); printf("[3]Select oranges "); printf("[4]Select grapes "); printf("[0]Select exit "); 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 ",price); } return 0; }