#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <complex>
using namespace std;
int main()
{   
  typedef complex<double> cmplx ;
  vector<cmplx> v;
  v.push_back(cmplx(11,12)); v.push_back(cmplx(22,21));v.push_back(cmplx(33,32));
  // print elements
  for_each(v.begin(),v.end(), [](cmplx c) {cout<<c<<" ";});
  cout<<endl;
  // take complex conjugate of elements
  for_each(v.begin(),v.end(), [](cmplx& c) {c = conj(c);});
  // print them
  for_each(v.begin(),v.end(), [](cmplx c) {cout<<c<<" ";});
  cout<<endl;
}