习题5-6 使用函数输出水仙花数

#include <stdio.h>
int narcissistic(int number);
void PrintN(int m, int n);

int main()
{
    int m, n;

    scanf_s("%d %d", &m, &n);
    if (narcissistic(m)) printf("%d is a narcissistic number\n", m);
    PrintN(m, n);
    if (narcissistic(n)) printf("%d is a narcissistic number\n", n);

    return 0;
}

int narcissistic(int number)
{
    int x;                //x分离出的每位数字
    int count = 0;        //count统计数的位数
    int temp;            //等于number的临时变量
    int sum = 0;        //每个数字的幂之和
    int pow;        //幂
    temp = number;

    do
    {
        count++;
        temp = temp / 10;
    } while (temp!=0);

    temp = number;
    for (int i = 0; i < count; i++)
    {
        x = temp % 10;

        pow = 1;

        for (int j = 1; j <= count; j++)
        {
            pow = pow * x;
        }

        sum = sum + pow;

        temp = temp / 10;
    }
    if (sum == number)
    {
        return 1;
    }        
    else
    {
        return 0;
    }    
}
void PrintN(int m, int n)
{
    for (int i = m + 1; i < n; i++)
    {
        if (narcissistic(i))
        {
            printf("%d\n", i);
        }
    }
}