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C++ÃæÏò¶ÔÏóʵÑ鱨¸æ

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  • 3 ´ÎÏÂÔØ
  • 2025/7/10 5:05:50

Student(string n,string s,int a,string no,string d) :Person(n,s,a) { num=no; depa=d;

}

void display()

{Person::display(); cout<<\ѧºÅ:\

cout<<\ϵ±ð:\

}

protected:

string num; string depa;

};

class Graduate:public Student

{public: Graduate(string n,string s,int a,string no,string d,string tn)

{

:Person(n,s,a),Student(n,s,a,no,d) tname=tn;

}

void display()

{Student::display(); cout<<\µ¼Ê¦:\}

private:

string tname; };

int main()

{Teacher teac(\º«ÑÞ\Å®\¸±½ÌÊÚ\ÃæÏò¶ÔÏó³ÌÐòÉè¼Æ\ Student stud(\ÀîÑô\ÄÐ\¼ÆËã»úϵ\ Graduate grad(\Íõ·É\ÄÐ\¼ÆËã»úϵ\ÂíÆ½\ cout<<\½ÌʦµÄÓйØÊý¾ÝÈçÏÂ:\ }

teac.display();

cout<<\ѧÉúµÄÓйØÊý¾ÝÈçÏÂ:\stud.display();

cout<<\Ñо¿ÉúµÄÓйØÊý¾ÝÈçÏÂ:\grad.display(); return 0;

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ÔÚµÚ2ÌâÖеÄÀà¡®Teacher¡¯ÖÐûÓж¨Òå¡®lessons¡¯µ¼Ö´íÎó¡£

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(1)

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£¨1£©//sy5_1.cpp #include #include using namespace std;

class Base {public:

void f(int x){cout<<\ };

class Derived:public Base {public:

virtual void g(void){cout<<\};

int main() {Derived d;

Base *pb=&d; pb->f(42); pb->f(3.14f) ; pb->g(); return 0; }

£¨2£©//sy5_2.cpp #include using namespace std; #include class Teacher {public:

Teacher(string n,int h); virtual double salary()=0; virtual void print()=0; protected:

string name; int lessons; };

Teacher::Teacher(string n,int h) {name=n; lessons=h;

}

class Professor:public Teacher

{public:

Professor(string n,int h):Teacher(n,h){}

double salary(){return 5000+50*lessons;} void print();

void f(float x){cout<<\ virtual void g(void){cout<<\

};

void Professor::print()

{ cout<

class Associateprofessor:public Teacher

{public:

Associateprofessor(string n,int h):Teacher(n,h){} double salary(){return 3000+30*lessons;} };

void Associateprofessor::print()

{ cout<

class Lecturer:public Teacher { public:

Lecturer(string n,int h):Teacher(n,h){} double salary(){return 2000+20*lessons;} void print(); void print();

};

void Lecturer::print()

{ cout<

int main()

{

Teacher *t[3];

t[0]=new Professor(\

t[1]=new Associateprofessor(\ }

t[3]=new Lecturer(%ue\for(int i=0;i<3;i++) { t[i]->print(); delete t[i]; }

return 0;

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Student(string n,string s,int a,string no,string d) :Person(n,s,a) { num=no; depa=d; } void display() {Person::display(); cout<<\ѧºÅ:\ cout<<\ϵ±ð:\ } protected: string num; string depa; }; class Graduate:public Student {public: Graduate(string n,string s,int a,string no,string d,st

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