[완료] C++: 템플릿 함수로의 변환

vector<int> less_than( const vector<int> &vec, int value )
{
        vector&ltint&gt nvec;
        for ( int ix = 0 ; ix &lt vec.size() ; ++x )
            if ( vec[ix] &lt value )
                  nvec.pushback( vec[ix] );
        return nvec;       
}

template&lttypename InputIterator, typename OutputIterator, 
	 typename ElemType,       // 비교할 값의 타입
	 typename Comp&gt           // 비교연산(predicate)의 종류
OutputIterator filter( InputIterator first, InputIterator last, OutputIterator at, const ElemType &val, Comp pred )
{
	while ( (first = find_if( first, last, bind2nd( pred, val ) )) != last )
	{
                // 무슨 일이 일어나는지를 확인하기 위해 콘솔에 출력
		cout &lt&lt "found value: " &lt&lt *first &lt&lt endl;
		// 값 대입 후 반복자 증가
		*at++ = *first++;
	}
	return at;
}

vector<int> sub_vec( const vector<int> &vec, int val )
{
	vector<int> local_vec(vec);
	sort( local_vec.begin(), local_vec.end() ); 
 
	vector<int>::iterator iter = 
		find_if( local_vec.begin(), local_vec.end(), bind2nd( greater<int>(), val ));
        /////////////////!!!!!!!!/////////////////
	local_vec.erase( iter, local_vec.end() ); 
 
	return local_vec;
}