PRII template za pair i unique ptr

#include<iostream>
#include<tuple>
#include<memory>
using namespace std;

pair<int, int>test(int a, int b) {
    return make_pair(a, b);
}

void main() {
    int a = 5;
    int b = 7;
    int c, d;
    float e = 2.17;
    tie<int, int>(c, d) = test(a, b);
    cout <<  "a= " << a << " b= " << b << " c= " << c << " d=  " << d;
    unique_ptr<float>nesto = make_unique<float>();
    *nesto = e;
    cout << "unique pointer nesto pokazuje na e i vrijednost je " << *nesto << endl;
    system("pause");
}