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#define null 0
#include<iostream>
struct student 
{long num;
 float score;
 struct student *next;

};
int main()
{student a,b,c,*head,*p;
 a.num=31001;a.score=89.5;
 b.num=31003;b.score=90;
 c.num=31007;c.score=85;
 head=&a;
 a.next=&b;
 b.next=&c;
 c.next=null;
 p=head;
 do{cout<<p->num<<" "<<p->score<<endl;
 p=p->next;

 }while(p!=null);
 return 0;

}

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#define null 0
#include<iostream.h>
struct student 
{long num;
 float score;
 struct student *next;

};
int main()
{student a,b,c,*head,*p;
 a.num=31001;a.score=89.5;
 b.num=31003;b.score=90;
 c.num=31007;c.score=85;
 head=&a;
 a.next=&b;
 b.next=&c;
 c.next=null;
 p=head;
 do{
  cout<<p->num<<" "<<p->score<<endl;
  p=p->next;
 }while(p!=null);
 return 0;

}

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