回文數：456654,111,25255252

                  判斷是否是回文數函數（bool Ishuiwen(int num)）C++代碼：

bool Ishuiwen(int num){	int tem=0,sum=0;	tem = num;	while (num)	{		sum = sum * 10 + num % 10;		num /= 10;	}	if (sum == tem)		return 1;	else		return 0;}