#include <iostream>
    #include <memory>
    #include <string>
    using namespace std;
    int main () 
    {
        pair <string*, ptrdiff_t> Res = get_temporary_buffer<string>(5);
        if (Res.second > 0)
        {
            uninitialized_fill ( Res.first, Res.first + Res.second, 
            "Bye " );
            for (int k = 0; k < Res.second; k++)
                cout << Res.first[k] ;
            return_temporary_buffer(Res.first);
        }
        return 0;
    }