Something

#include <iostream> using namespace std; class A {	int i;	public:	A (const int j = 0) : i(j) { cout << i << endl;}	A (const A& a) :i(a.i) { cout << a.i << endl;}};class B : public A {public:	B(const int j = 0) :A(j) {};};int main() {	B b1 = 20;	B b2 = b1;	return 0;}