[백준,c++] 1259번 - 팰린드롬수

1259번: 팰린드롬수

#include <iostream>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    while (true) {
        string N; cin >> N;
        if (N == "0") return 0;
        int start = 0;
        int end = N.length() - 1;
        bool flag = true;
        while (start <= end) {
            if (N[start] != N[end]) flag = false;
            start++;
            end--;
        }
        if (flag) cout << "yes" << "\n";
        else cout<< "no"<<"\n";
    }
}