9

#include<iostream>
#include<array>
#include<algorithm>

//template <class T, class U>
//std::pair<U, T> My_Swap(T a, U b) {
//	return std::make_pair(b, a);
//}
//
//template <class T>
//class MyClass {
//	T arr[3];
//public:
//	MyClass(T a, T b, T c) :arr[0](a), arr[1](b), arr[2](c){}
//	T* get_arr() { return arr; }
//};


void main() {
	int a = 5;
	double b = 5.5;
	std::cout << "\n Before swap: " << a << " " << b;

	auto temp = My_Swap(a, b);
	a = temp.second;
	b = temp.first;
	std::cout << "\n After swap: " << a << " " << b;

	MyClass<int> c(0, 1, 2), d(5, 7, 9);

	auto temp_2 = My_Swap(c, d);
	std::cout << "\n Before swap: ";
	for (int i = 0; i < 3; i++)
		std::cout << c.get_arr()[i] << " " << d.get_arr()[i] << std::endl;
	c = temp_2.second;
	d = temp_2.first;
	std::cout << "\n After swap: ";
	for (int i = 0; i < 3; i++)
		std::cout << c.get_arr()[i] << " " << d.get_arr()[i] << std::endl;
}