编辑代码

#include <iostream>

using namespace std;

int main() {
	long long int n, a = 0, b = 0, c = 0;
	cin >> n;

	a = n;

	while (n != 0) {
		b = n % 10;
		c = c * 10 + b;
		n /= 10;
	}

	if (a == c)
		cout << a << "是一个回文数";
	else
		cout << a << "不是一个回文数";


	return 0;
}