#include <iostream>
#include <memory>

// wskaźnik dzielony

using namespace std;

int main()
{
    shared_ptr<int> sptr(new int);
    shared_ptr<int> sptr2;

    cout << "sptr: " << sptr.use_count() << "\tsptr2: " << sptr2.use_count() << endl;
    sptr2 = sptr;
    cout << "sptr: " << sptr.use_count() << "\tsptr2: " << sptr2.use_count() << endl;

    {
        shared_ptr<int> sptr3 = sptr;
        cout << "sptr: " << sptr.use_count() << "\tsptr2: " << sptr2.use_count() << endl;
    }

    cout << "sptr: " << sptr.use_count() << "\tsptr2: " << sptr2.use_count() << endl;

    return 0;
}