Initial import

openmp/1-intro.cpp

+#include <iostream>
+#include <omp.h>
+
+int main()
+{
+#pragma omp parallel num_threads(3)
+  std::cout << "Parallel region 1: tid:" << omp_get_thread_num() << std::endl;
+
+#pragma omp parallel num_threads(4)
+  std::cout << "Parallel region 2: tid:" << omp_get_thread_num() << std::endl;
+
+#pragma omp parallel num_threads(2)
+  std::cout << "Parallel region 3: tid:" << omp_get_thread_num() << std::endl;
+}