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有下列程序:includeusing namespace std;class ONE{ public:virtual void f(){COUt<<"

有下列程序:

include<iostream>

using namespace std;

class ONE

{

public:

virtual void f(){COUt<<"1";}

};

c1assTWO:public ONE

{

public:

TWO(){cout<<"2";}

};

class THREE:public TWO

{

pub


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更多 “ 有下列程序:includeusing namespace std;class ONE{ public:virtual void f(){COUt 有下列程序:include<iostream>using namespace std;class ONE{public:virtual void f(){COUt<<"1";}};c1assTWO:public ONE{public:TWO(){cout<<"2";}};class THREE:public TWO{pub ” 相关考题
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