// g++ -std=c++17 -pipe -O3 -march=native -fopenmp -mfpmath=sse -msse2 openmp_ex.cpp
#include <iostream>
#include <cmath>
#include <vector>

int main()
{  
  std::vector<double> tab(200);
  const int N=tab.size();
#pragma omp parallel for 
  for(int i=0; i<N; ++i) // threads have their own private i
    {
      tab[i] = sin(2*M_PI*i/N);
      //std::cout<<i<<"\n"; // will produce mess, but shows parallelism
    }
  //std::cout<<"\n";
  for(auto t:tab) std::cout<<t<<" ";
  std::cout<<"\n";
  
}