Question

求助一道C++编程题QAQ





Answer 1

A、B、C、D、E类之间的继承关系为：

B继承C

A继承C

D继承A

E继承B、D

C++程序：

#include "iostream"

using namespace std;

class C
{
public:
	C()
	{
		cout<<"C()"<<endl;
	}
	~C()
	{
		cout<<"~C()"<<endl;
	}
};

class A : public C
{
public:
	A()
	{
		cout<<"A()"<<endl;
	}
	~A()
	{
		cout<<"~A()"<<endl;
	}
};

class B : public C
{
public:
	B()
	{
		cout<<"B()"<<endl;
	}
	~B()
	{
		cout<<"~B()"<<endl;
	}
};

class D : public A
{
public:
	D()
	{
		cout<<"D()"<<endl;
	}
	~D()
	{
		cout<<"~D()"<<endl;
	}
};

class E : public B, D
{
public:
	E()
	{
		cout<<"E()"<<endl;
	}
	~E()
	{
		cout<<"~E()"<<endl;
	}
};

int main()
{
	E e;

	return 0;
}

运行测试：

Answer 2

请选择DDDDDDD