#include <iostream.h>
#include <stl.h>

int main ()
{
  vector<int> v1; // Empty vector of integers.
  cout << "empty = " << v1.empty () << endl;
  cout << "size = " << v1.size () << endl;
  cout << "max_size = " << v1.max_size () << endl;
  v1.push_back (42); // Add an integer to the vector.
  cout << "size = " << v1.size () << endl;
  cout << "v1[0] = " << v1[0] << endl;
  return 0;
}