[2015][Quiz][Week03] Quiz2 - 60373006H

namespace practice
{
    class Test
    {
        static void Main(string[] args)
        {
            Console.WriteLine("ex.1\n");
            int nfront;
            int nbehind;
            int temp = 0 , temp2=0;
            int segment = 1;
            int sum =0;
            for (int i = 1000; i <= 9999; i++)
            { 
                nfront =i / 100;
                nbehind = i % 100;
                if (i == Math.Pow(nfront, 2.0) + Math.Pow(nbehind, 2.0))
                    Console.WriteLine("{0}", i);
            }
            Console.WriteLine("==============我是分隔線===============");
            Console.WriteLine("ex.2\n");

            for (int i = 1; i <= 999999; i++)
            {
                temp = i;               //處理次方
                while (temp / 100 > 0)
                {
                    segment++;//累計次方數
                    temp/=100;//Ex:5位數字除以100可除3次
                }                       //處理次方
                temp = i;               //分割數字
                for (int j = 1; j <= segment; j++) //設定<=次方數為中止條件
                {
                    temp2 = temp % 100; //因為沒法直接"(int)Math.Pow((double)temp % 100, (double)segment)"，所以需要第二個暫存"取尾數"
                    temp /= 100;        //將取過尾數的第一暫存砍掉尾數
                    sum += (int)Math.Pow((double)temp2, (double)segment); //做相加
                }                       //分割數字
                if (i == sum)           //判斷式
                    Console.WriteLine("{0}", i);
                temp = 0;
                sum = 0;
                segment = 1;
            }
            Console.ReadKey();
        }
    }
}