#include <algorithm>

#include <vector>

#include <iostream>

using namespace std;



class Transformer

{

	public:

		int operator() (int x, int y)

		{	return (x+y)/2;	}

};



void main()

{

	int numbers1[] = {0,1,2,3,4,5,6,7,8,9};

	int numbers2[] = {10,11,12,13,14,15,16,17,18,19};

	

	vector<int> v;

	// copy numbers1 and numbers2 into a single range stored in v

	transform(&numbers1[0], &numbers1[sizeof(numbers1)/sizeof(int)],

				 &numbers2[0], inserter(v, v.begin()), Transformer());



	copy(v.begin(), v.end(), ostream_iterator<int>(cout, " "));

}