C++ 反转三位数

#include <iostream>
using namespace std;

int main() {
    int n;
    cin >> n;
    
    int reverse = 0;
    while (n > 0) {
        int digit = n % 10;
        reverse = reverse * 10 + digit;
        n /= 10;
    }
    
    cout << reverse << endl;
    
    return 0;
}