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下列程序的运行结果是______。include class Base { public: void f(int x){cout<<“B

下列程序的运行结果是______。

include<iostream.h>

class Base

{

public:

void f(int x){cout<<“Base:”<<x<<endl;}

);

class Derived:public Base

{

public:

void f(char*str){cout<<“Derived:”<<str<<endl;}

};

void main(void)

{

Base*pd=ne


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