C / C++ / MFC

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

int main( ) 
{
	int i = 0;
	
	vector<auto_ptr<int>> vc;
	for (i = 0; i < 5; i ++) // 0 1 2 3 4
	{
		auto_ptr<int> pi (new int(i));
		vc.push_back (pi);
	}

	return 0;
}

1>Compiling...
1>main.cpp
1>d:\program files\microsoft visual studio 9.0\vc\include\vector(1209) : error C2558: class 'std::auto_ptr<_Ty>' : no copy constructor available or copy constructor is declared 'explicit'
1>        with
1>        [
1>            _Ty=int
1>        ]
1>        d:\program files\microsoft visual studio 9.0\vc\include\vector(1158) : while compiling class template member function 'void std::vector<_Ty>::_Insert_n(std::_Vector_const_iterator<_Ty,_Alloc>,unsigned int,const _Ty &)'
1>        with
1>        [
1>            _Ty=std::auto_ptr<int>,
1>            _Alloc=std::allocator<std::auto_ptr<int>>
1>        ]
1>        d:\visual studio 2008\projects\test_autoptr1\test_autoptr1\main.cpp(11) : see reference to class template instantiation 'std::vector<_Ty>' being compiled
1>        with
1>        [
1>            _Ty=std::auto_ptr<int>
1>        ]
1>d:\program files\microsoft visual studio 9.0\vc\include\vector(1233) : error C2558: class 'std::auto_ptr<_Ty>' : no copy constructor available or copy constructor is declared 'explicit'
1>        with
1>        [
1>            _Ty=int
1>        ]

class Base {
public:
	const int foo() {return 200;};
};

class Derived : public Base {
public:
		int foo() {return 100;};
};

int main()
{
	Base b;
	Derived d;
	int rtn = b.foo();
	rtn = d.foo();

	return 0;
}