3.PNG

    1. #include <bits/stdc++.h>
    2. using namespace std;
    4. class base
    5. {
    6. private:
    7.     int n;
    9. public:
    10.     base(int _n) : n(_n) { cout << "Base Constructed" << endl; };
    11.     ~base(void) { cout << "Base Destructed" << endl; };
    12. };
    14. class derived : public base
    15. {
    16. public:
    17.     derived(int n) : base(n) { cout << "Derived Constructed" << endl; };
    18.     ~derived(void) { cout << "Derived Destructed" << endl; };
    19. };
    21. class more_derived : public derived
    22. {
    23. public:
    24.     more_derived(int n) : derived(n) { cout << "More derived Constructed" << endl; };
    25.     ~more_derived(void) { cout << "More derived Destructed" << endl; };
    26. };
    28. int main(void)
    29. {
    30.     more_derived md(1);
    31.     return 0;
    32. }
    34. /*
    35. Base Constructed
    36. Derived Constructed
    37. More derived Constructed
    38. More derived Destructed
    39. Derived Destructed
    40. Base Destructed
    41. */