浙大版《C语言程序设计（第3版）》题目集 练习3-8 查询水果价格 (15分)

#include <stdio.h>
int main(void)
{
    printf("[1] apple\n");
    printf("[2] pear\n");
    printf("[3] orange\n");
    printf("[4] grape\n");
    printf("[0] exit\n");
    float a[4] = {3.00, 2.50, 4.10, 10.20}; //水果价格保存到数组。
    int i, x;
    for (i = 0; i < 5; i++)
    {
        scanf("%d", &x);
        if (x == 1)
            printf("price = %.2f\n", a[0]);
        else if (x == 2)
            printf("price = %.2f\n", a[1]);
        else if (x == 3)
            printf("price = %.2f\n", a[2]);
        else if (x == 4)
            printf("price = %.2f\n", a[3]);
        else if (x == 0)
            break;
        else
            printf("price = 0.00\n");
    }
    return 0;
}