#include <vector>

#include <list>

#include <iostream>

using namespace std;



template <class T>

void print(T& v)

{

	for (T::iterator v_iter = v.begin(); v_iter != v.end(); v_iter++)

	{	cout << *v_iter << " ";	}

	cout << endl;

}



void main()

{

	vector<int> v1(10); // reserve 10 places and fill with int() (that is, default value for value type)

	vector<int> v2(10,1); // reserve 10 places and fill with 1



	print(v2);

	v2.insert(v2.begin() + v2.size()/2, v1.begin(), v1.end());	// insert copy of v1 into middle of v2

	print(v2);

	v2.erase(v2.begin(), v2.begin() + v2.size()/2);	// erase first half of v2

	print(v2);

}