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Question #312 Difficulty: 1

According to the C++23 standard, what is the output of this program? 

    #include <iostream>

class A {};

class B {
public:
    int x = 0;
};

class C : public A, B {};

struct D : private A, B {};


int main()
{
    C c;
    c.x = 3;

    D d;
    d.x = 3;

    std::cout << c.x << d.x;
}

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