Chapter 8.3, Problem 19STE

Is the following program legal? If so, what is the output?

  #include <iostream>

  #include <vector>

  using namespace std;

  int main( )

  {

  vector<int> v(10);

  int i;

  for (i =0; i < v.size( ); i++)

  v[i] = i;

  vector<int> copy;

  copy = v;

  v[0] = 42;

  for (i = 0; i < copy.size( ); i++)

  cour << copy[i] << “ ”;

  cour << endl;

  return 0;

}