#include "iostream"
#include <omp.h>

using namespace std;

int main()
{


    int LICZBA_W = 10;
    //int i;
    int suma = 0;
    int pid;

    cout << "Zad 1" << endl;

    //------------------------------------------------------------------

#pragma omp parallel num_threads(LICZBA_W)
    {
        pid = omp_get_thread_num();
        cout << endl << "Jestem watkiem nr " << pid;

        pid = omp_get_thread_num();
        cout << endl << "Koncze watek nr " << pid;
    }

    cout << endl;
    //-----------------------------------------------------------------
    cout << "----------------------------------------------------------";

    cout << endl << "Zad 2" << endl;

#pragma omp parallel num_threads(LICZBA_W)
    {
        pid = omp_get_thread_num();
        cout << endl << "Jestem watkiem nr " << pid;

#pragma omp barrier

        pid = omp_get_thread_num();
        cout << endl << "Koncze watek nr " << pid;

    }

    cout << endl;
    //---------------------------------------------------------------
    cout << "----------------------------------------------------------";
    //PRIVATE

    cout << endl << "Zad 3" << endl;

    int a = 5;
    cout << "Private" << endl;

#pragma omp parallel num_threads(5) private(a)
    {
        a = 5;
        pid = omp_get_thread_num();
        a = a + pid;
        cout << "Zmienna prywatna: " << a << endl;
    }
    cout << "Wartosc a: " << a << endl;

    //---------------------------------------------------------------
    cout << "----------------------------------------------------------";
    //FIRSTPRIVATE

    cout << endl << "FirstPrivate" << endl;

#pragma omp parallel num_threads(5) firstprivate(a)
    {
        a = 5;
        pid = omp_get_thread_num();
        a = a + pid;
        cout << "Zmienna prywatna: " << a << endl;
    }
    cout << "Wartosc a: " << a << endl;

    //---------------------------------------------------------------
    cout << "----------------------------------------------------------";
    //SHARED_1

    cout << endl << "Shared_atomic" << endl;

#pragma omp parallel num_threads(5) shared(a)
    {
        a = 5;
        pid = omp_get_thread_num();
#pragma omp atomic
        a += pid;
        cout << "Zmienna prywatna: " << a << endl;
    }
    cout << "Wartosc a: " << a << endl;

    //---------------------------------------------------------------
    cout << "----------------------------------------------------------";
    //SHARED_2

    cout << endl << "Shared_critical" << endl;

#pragma omp parallel num_threads(5) shared(a)
    {
        a = 5;
        pid = omp_get_thread_num();
#pragma omp critical
        a += pid;
        cout << "Zmienna prywatna: " << a << endl;
    }
    cout << "Wartosc a: " << a << endl;


    cout << endl;
    system("PAUSE");

    //return 0;
}