Reverse of digit

Question

e.g.
input 12345
output 54321

Answer 1

https://code.sololearn.com/cWZ54cIQDUjV/?ref=app

Try converting this to C++

Answer 2

Check this:

#include <iostream>
using namespace std;

int main() {

int n;
cin >> n;

while (n > 0) {
cout << n % 10;
n /= 10;
}

return 0;
}

Note: It works only for 32 bit numbers.