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

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

#include <iostream>
using namespace std;
struct R { ~R() { cout << "d"; } };
void f() { R r; throw 1; }
int main() {
    try { f(); }
    catch (int) { cout << "c"; }
    cout << "e";
}