YTU OJ 1633 C# 问题 F: 水仙花数

YTU OJ 1633 C# 问题 F: 水仙花数

using System;
class panduan
{
    
    
    public int suixianhuashu(int m, int n)
    {
    
    
        int i = 0;
        for (int a = m; a <= n; a++)
        {
    
    
            int z = a % 10;
            int y = (a % 100 - z) / 10;
            int x = (a - a % 100) / 100;
            if (a == Math.Pow(x, 3) + Math.Pow(y, 3) + Math.Pow(z, 3))
            {
    
    
                Console.Write("{0} ", a);
            }
            else
                i++;
            if (i == n - m + 1)
                Console.Write("no");
        }
        Console.WriteLine();
        return i;
    }
}
class Program
{
    
    
    static void Main(string[] args)
    {
    
    
        string str;
        int m = 0;
        int n = 0;
        while (String.IsNullOrEmpty(str = Console.ReadLine()) == false)
        {
    
    /*String.IsNullOrEmpty()检查指定的字符串是否有值，
        是null或("")返回true,否则返回false*/
            panduan a = new panduan();
            string[] str1 = str.Split(' ');
            m = Convert.ToInt32(str1[0]);
            n = Convert.ToInt32(str1[1]);
            a.suixianhuashu(m, n);
        }
    }
}