#include <iostream>
#include <set>
#include <algorithm>

using namespace std;

class PrintGt5Adapter : public binary_function<int, int, void>
{
public:
    void operator()(const int &n1, const int &n2) const
    {
        if (n1 > n2)
            cout << n1 << " ";
    }
};

int main()
{
    int m[] = {1, 2, 3, 4, 8, 5, 1, 2};
    set<int> s(m, m + sizeof(m) / sizeof(m[0]));

    for_each(s.begin(), s.end(), bind2nd(PrintGt5Adapter(), 2));

    return 0;
}