JH11 题解 | #数字颠倒#

#include<iostream>
#include<string>
using namespace std;

int main() {
    int n;
    cin >> n;
    string str1 = to_string(n);
    string str2;
    int len = str1.length();
    for (int i = len - 1; i >= 0; i--) {
        str2 += str1[i];
    }
    cout << str2;

    return 0;
}