#include <stdio.h>
                #include <omp.h>

                int main(int argc, char ** argv) {

                    #pragma omp parallel
                    {
                        int omptid = omp_get_thread_num();
                        int ompthreads = omp_get_num_threads();

                        #pragma omp critical
                        printf("OMP:%d/%d\n", omptid, ompthreads);
                    }

                    return 0;
                }