Testare palindrom

#include <iostream>

using namespace std;

int main() {
    int n,x,inv=0,cif;
    cin >> n;
    x=n;
    while(n!=0){
        cif=n%10;
        n=n/10;
        inv=inv*10+cif;
    }
    if(inv==x){
        cout << "PALINDROM";
    }
    else{
        cout << "N NU ESTE PALINDROM";
    }
    return 0;
}