call constructor from parent for three level extending

   
#include <iostream>
#include <string.h>
using namespace std;
class Base 
{
  public:
    Base(char *str) { strcpy(message, str); }; 
    void show_base(void) { cout << message << endl; };
  protected:  
    char message[256];
};


class Level1 : public Base 
{
  public:
    Level1(char *str, char *base) : Base(base) {
      strcpy(message, str);};
    void show_level1(void) { cout << message << endl; } ;
  protected:  
    char message[256];
};

class Lowest : public Level1 
{
  public:
    Lowest(char *str, char *level1, char *base) :
      Level1(level1, base) { strcpy(message, str); };
    void show_lowest(void) 
  {
       show_base();
       show_level1();
       cout << message << endl; 
  };
  protected:
    char message[256];
};

int main(void) 
{
   Lowest bottom("L", "m", "e");
   
   bottom.show_lowest();
}

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call constructor from parent for three level extending : Derived « Class « C++

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