// c++ main.cpp -fopenmp
#include <iostream>
#include <omp.h>

int main(int argc, char** argv)
{
    #pragma omp parallel 
    {
        auto count = omp_get_thread_num();
        auto ItsMe = omp_get_num_threads();
        #pragma omp critical 
        {
        /**/
        for(int i = 0; i < 50; i++) {
            for(int j = 0; j < 100000000; j++) {
                auto a = 0;
            }
        }
        /**/
        ///#pragma omp critical 
        ///{
        std::cout << "Hello, OpenMP! I am " << count 
                  << " of " << ItsMe << "\n";
        } 
    } 
    return 0;
}