Using C++ Strings Exercise 1

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

void cpp_strings() {
   
    string unformatted_full_name {"StephenHawking"};
   
    //----DO NOT MODIFY THE CODE ABOVE THIS LINE----
    //----WRITE YOUR CODE BELOW THIS LINE----
    string first_name{}, last_name{}, formatted_full_name{};
   
    first_name = unformatted_full_name.substr(0, 7);
    last_name = unformatted_full_name.substr(7, 14);
    formatted_full_name = first_name + " " + last_name;
    //----WRITE YOUR CODE ABOVE THIS LINE----
    //----DO NOT MODIFY THE CODE BELOW THIS LINE----
   
    cout << formatted_full_name;
}