#ifndef CH_2_HPP 
#define CH_2_HPP

#include <iostream>
#include <vector>
#include <iterator>

namespace _cg { 


template<typename InputIter, typename OutputIter>
OutputIter ch_2(InputIter ifirst, InputIter ilast, OutputIter ofirst) { 
	
	typedef std::iterator_traits<InputIter>		ITraits;
	typedef typename ITraits::value_type 		value_type;
	
	if (ifirst == ilast) return ofirst;           // No elements

	std::vector<value_type> V;
	std::copy(ifirst, ilast, std::back_inserter(V));
	typename std::vector<value_type>::iterator Vit = V.begin();

	while(Vit != V.end()){
	  *ofirst =  *Vit;
	  ++ofirst;
	  ++Vit;
	}

	return ofirst; 


}

}; // namespace ends here

#endif // ch_2.hpp