Inheritent

#include<iostream.h>
class person
{
private:
int id;
char name[20];
char sex;
public:
void input();
void output();


};
class student:protected person
{
private:
char course[20];
float score;
public:
void input();
void output();
};
void person::input()
{
cout<<"input id: ";
cin>>id;
cout<<"input name: ";
cin.seekg(0);
cin.get(name,20);
cout<<"input sex: ";
cin>>sex;

}
void person::output()
{
cout<<"id\tName\tSex\tCourse\tScore\n";
cout<<id<<"\t"<<name<<"\t"<<sex;

}
 void student::input()
 {
  person::input();
  cout<<"input course: ";
  cin>>course;
  cout<<"input score: ";
  cin>>score;
 
 }
 void student::output()
 {
  person::output();
  cout<<"course\tscore\n";
  cout<<course<<"\t"<<score;
 }
 void main()
 {
  student st;
  st.input();
  st.output();
 }

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