What is the output of the following C++ program?#include using namespace std; struct T { T() { cout

What is the output of the following C++ program?

#include <iostream>
using namespace std;
struct T {
    T() { cout << "c"; }
    T(const T&) { cout << "k"; }
    ~T() { cout << "d"; }
};
void f(T t) {}
int main() { T a; f(a); }