Question

1． 编写Application程序,找出所有水仙花数,水仙花数是三位数,它的各位数字的立方和等于这三个数本身,

Answer 1

] args)

{

for( int i=100; i<=999; i++)

if( IsShuixian(i) )

Console.WriteLine(i);

Console.ReadKey();

}

// 判断是否是水仙数

static public bool IsShuixian(int n)

{

int sum = 0;

int s=n;

while (n > 0)

{

int k = n % 10;

sum += k * k * k;

n /= 10;

}

return s == sum;

}