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


int main()
{
    int* p = new int;
    *p = 3;
    cout << p << endl;
    cout << *p << endl;

    // 'delete' eliminates memory leaks if 'p' reinitialized
    delete p;

    p = new int(15);
    cout << p << endl;
    cout << *p << endl;

    // Eliminate 'dangling pointer'
    p = nullptr;

    system("pause");
}