AC代码 | 一看就会

#include <bits/stdc++.h>
using namespace std;

bool is_pal(int n)
{
    int a = 0,b = n;
    while(n != 0)
    {
        a = a * 10 + n % 10;
        n /= 10;
    }
    if(b == a)
    {
        return true;
    }
    return false;
}

int main()
{
    int n;
	cin >> n;
	if(is_pal(n) == true)
    {  
        cout << "Yes" << endl;
    }
    else
    {
        cout << "No" << endl;
    }
    return 0;
}