#include <iostream>
using namespace std;
 
template <class T>
const T& max(const T& a1, const T& a2)
{
    cout << "genereal template " << a1 << "  " << a2 << endl;
    return (a1 < a2) ? a2 : a1;
}
 
template <class T>
const T* max(const T* a1, const T* a2)
{
    cout << "template for pointers" << endl;
    return (a1 < a2) ? a2 : a1;
}
 
template <class T>
const T& max(const T& a1, const T& a2, const T& a3)
{
    cout << "general template with three parameters" << endl;
    return ::max(::max(a1, a2), ::max(a1, a3));
}
 
int main()
{
    int* a = new int(5);
    int* b = new int(56);
    int* c = new int(2);
    int* g = ::max(a, b, c);
    cout << *g << endl;
 
    return 0;
}

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