vector_example.cpp

#include <iostream>
#include <vector>
using namespace std;

// prototype                                                                    
vector<int> & buy();

int main ()
{
  vector<int> j;
  j = buy();

  for (int i = 0; i < j.size(); i++) {
    cout << "j[" << i << "] = " << j[i] << endl;
  }
  // should print out:                                                          
  // j[0] = 1                                                                   
  // j[1] = 2                                                                   
  // j[2] = 3                                                                   

  return 0;
}

vector<int> & buy()
{
  vector<int> *foobar = new vector<int>;
  foobar->push_back(1);
  foobar->push_back(2);
  foobar->push_back(3);
  return *foobar;
}