#include <iostream>
#include <algorithm>
#include <iterator>
 
using namespace std;
 
// dostepne od C++11 
template<typename InputIterator,
	typename OutputIterator,
	typename Predicate>
OutputIterator copy_if(InputIterator begin,
		InputIterator end,
		OutputIterator destBegin,
		Predicate p)
{
	while (begin != end) {
		if (p(*begin)) *destBegin++ = *begin;
		++begin;
	}
	return destBegin;
}
 
bool czyParzysta(int i) 
{
   return i%2==0; 
} 
 
int main() {
	int tab[10]={1,2,3,4,5,6,7,8,9,10}; 
 
    copy_if(tab, tab + sizeof(tab)/sizeof(tab[0]),
        ostream_iterator<int>(cout, "\n"),
        czyParzysta);    
 
	return 0;
}

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