What happens when you attempt to compile and run the following code?

What happens when you attempt to compile and run the following code?

#include

#include

using namespace std;

class A {

public:

A() { cout << "A0 ";}

A(string s) { cout << "A1";}

};

class B : public A {

public:

B() { cout << "B0 ";}

B(string s) { cout << "B1 ";}

};

class C : private B {

public:

C() { cout << "C0 ";}

C(string s) { cout << "C1 ";}

};

int main () {

B b1;

C c1;

return 0;

}