#include <iostream>

#include <vector>

using namespace std;

​

int main() {

  // Create a vector called cars that will store strings

  vector<string> cars = {"Volvo", "BMW", "Ford", "Mazda"};

  // Create a vector iterator called it

  vector<string>::iterator it;

  // Point to the first element in the vector

  it = cars.begin();

  // Modify the value of the first element

  *it = "Tesla";

​

  // Print the first element in the vector (Volvo is now Tesla)

  cout << *it;

  return 0;

}

​