P119 4

<img src="https://img-blog.youkuaiyun.com/20150420131346158?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvWXVTb25nNDg2OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />#include <iostream> 
using namespace std; 
class Student 
{public:  
Student(int n,float s):num(n),score(s){} 
void display(); 
private: 
int num; 
float score; 
}; 
void Student::display()  
{cout<<num<<" "<<score<<endl;} 
int main()  
{Student stud[5]={  
Student(101,78.5),Student(102,85.5),Student(103,98.5), 
Student(104,100.0),Student(105,95.5)}; 
Student *p=stud;  
for(int i=0;i<=2;p=p+2,i++) 
p->display(); 
return 0; 
}