C++ Programming ONLY. Provide entire code with proper format and without error.

/* Upgrade the main function of the program to use a smart pointer*/

#include

using namespace std;

class stack

{

public:

stack()

{

cout << " Stack Initialized" << endl;

}

~stack()

{

cout << " Stack destroyed" << endl;

}

};

int main()

{

stack *ptr = new stack();

return 0;

}