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#include <iostream>
 
class A
{
	void printA() {std::cout << "A " << this << std::endl;}
};
 
class B
{
	void printB() {std::cout << "B " << this << std::endl;}
};
 
class C : public A, public B
{
 
};
 
using namespace std;
 
int main() {
	// your code goes here
 
	C* c = new C();
	A* a = c;
	B* b = c;
	a->printA();
	b->printB();
 
	return 0;
}

prog.cpp: In function 'int main()':
prog.cpp:5:7: error: 'void A::printA()' is private
  void printA() {std::cout << "A " << this << std::endl;}
       ^
prog.cpp:26:12: error: within this context
  a->printA();
            ^
prog.cpp:10:7: error: 'void B::printB()' is private
  void printB() {std::cout << "B " << this << std::endl;}
       ^
prog.cpp:27:12: error: within this context
  b->printB();
            ^

Standard output is empty