#include <iostream>

#include <omp.h>

using namespace std;

// compile with: g++ -fopenmp sectionsOpenMP.cpp -o sectionsOpenMP

int main(){

#pragma omp parallel // starts a new team of threads

{

int myID = omp_get_thread_num();

cout << "I'm the 0th chunk on thread " << myID << "." << endl; // should get run by each thread

#pragma omp barrier // if we include this, all the 0th reports should happen first

#pragma omp sections // divides the team into sections

{

// everything herein is run only by a single thread

#pragma omp section

{ cout << "I'm the 1st chunk on thread " << myID << "." << endl; }

#pragma omp section

{

cout << "I'm the 2nd chunk on thread " << myID << "." << endl;

cout << "I'm the 3rd chunk on thread " << myID << "." << endl;

}

#pragma omp section

{ cout << "I'm the 4th chunk on thread " << myID << "." << endl; }

} // implied barrier

}

return 0;

}