久一网络科技

#include <cstdlib> 
#include <iostream> 
using namespace std; 
//class Person 
class Person 
{ 
         public: 
                Person(char*s):name(s) 
                { 
                    name=new char[strlen(s)+1]; 
                    strcpy(name,s); 
                } 
                virtual void print() 
                { 
                     cout<<"my name is "<<name<<endl; 
                } 
         protected: 
                char* name; 

}; 


//class Student 
class Student:public Person 
{ 
         public: 
                Student(char*s,float g):Person(s),gpa(g){} 
                void print() 
                { 
                     cout<<"my name is "<<name<<" and my gpa is "<<gpa<<endl; 
                } 
         protected: 
                float gpa; 

}; 


//class Professor 
class Professor:public Person 
{ 
         public: 
                Professor(char*s,int n):Person(s),publs(n){} 
                void print() 
                { 
                     cout<<"my name is "<<name<<" and I have "<<publs<<" publications"<<endl; 
                } 
         protected: 
                int publs; 

}; 


//main function 
int main(int argc, char *argv[]) 
{ 
       Person* p; 
       Person x("bob"); 
       p=&x; 
       p->print(); 
       Student y("tom",3.14); 
       p=&y; 
       p->print(); 
       Professor z("john",2); 
       p=&z; 
       p->print(); 
       system("PAUSE"); 
       return EXIT_SUCCESS; 
}

gawk '{print substr($0,8,length($0));}' test.c >t.c