继承问题.c

解决实际问题：教师统计学生考试成绩以及超市、商场等统计货物情况。

定义一个本科生类Undergraduate,包括学号、姓名、专业这三个数据成员，在此基础上派生出研究生类Graduate,并增加导师、发表论文数等属性。可以通过显示个人信息函数ShowInfo来查看个人档案。
# include <iostreaem.h>
# include <string.h>
class Undergraduate                //定义积累
{
public:
Undergraduate(char*s_id,char*s_name,char*s_major)
{
strcpy(id,s_id);
strcpy(name,s_name);
strcpy(major,s_major);
}
vid ShowInfo()
{
cout<<"id:"<<id<<endl;
cout<<"name:"<<name<<endl;
cout<<"major:"<<major<<endl;
}
private:
char id[15];
char name[40];
char major[30];
};
class Graduate:public Undergraduate//定义派生类，采用公有派生
{
public:
Graduate(char*s_id,char*s_name,char*s_major,char*s_advisor,int num)
:Undergraduate(s_id,s_name,s_major)
{
strcpy(advisor,s_advisor);
papernum=num;
}
void ShowInfo()
{
Undergraduate::ShowInfo();
cout<<"advisor:"<<advisor<<endl;
cout<<"papernum:"<<papernum<<endl<<endl;
}
private:
char advisor[40];
int papernum;
};
int main()
{
Graduate s1("2004032432","LiMing","ComputerScience","LiSanli",3);
Graduate s2("2003054321","Liuliu","Automation","ZhangChangshui",2);
s1.ShowInfo();
s2.ShowInfo();
return 0;