题解 | #回文对称数#

int hw(int a)
{
	int c = 0;
	int d = 1;

	int sum = 0;
	d = a;
		for (c = 0;a!=0;)
		{
			c = a % 10;
			a /= 10;
			sum = sum * 10 + c;
		}
		if (sum == d)
		{
			return sum;
		}
		else
		{
			return 0;
		}
}

int main()
{
	int n;
	int a;
	int b;
	scanf("%d", &n);

	for (a = 1; a <= n; a++)
	{
		b=hw(a);
		if (b != 0)
		{
			printf("%d\n", b);
		}
	}
	return 0;
}