#include <iostream>
#include <algorithm>
 
using namespace std;
 
template<class Operation, class T>
binder2nd <Operation> bind2nd (const Operation& op, const T& x)
{
    return binder2nd<Operation>(
        op, typename
        Operation::second_argument_type(x)
        );
}
 
struct multiplies2:unary_function<int, int>
{
    bool operator()(int x) const { return x * 0.5; }
};
 
int main()
{
    int mas[] = { 2, 50, 8, 10, 110, 34, 48, 78, 24 };
    
    for_each(mas, mas + 9, bind2nd(multiplies<int>(), 0.5));
    
    for (int i = 0; i < 9; i++) cout << mas[i] << " ";
    cout << endl;
 
    return 0;
}