View Code of Problem 83

#include<stdio.h>
#include<stdlib.h>
struct student
{
	int num;
	int score;
	struct student *next;
}
main()
{
	int m,n,i,a,b;
	struct student stu1,stu2;
	struct student *p1,*q1,*head1,*pre,*u;
	struct student *p2,*q2,*head2;
	scanf("%d %d",&m,&n);
	p1=(struct student *)malloc(sizeof(struct student));
	head1=p1;
	q1=head1;
	q2=head2=NULL;
	for(i=0;i<m;i++)
	{
		p1=(struct student *)malloc(sizeof(struct student));
		scanf("%d %d",&p1->num,&p1->score);
			q1->next=p1;
			q1=p1;
	}
	for(i=0;i<n;i++)
	{
		p2=(struct student *)malloc(sizeof(struct student));
		scanf("%d %d",&p2->num,&p2->score);
		if(q2==NULL)
		{
			head2=p2;
			q2=head2;
		}
		else
		{
			q2->next=p2;
			q2=p2;
		}
	}
	q2->next=NULL;
	p1->next=head2;
	while(head1->next!=NULL)
	{
		pre=head1;
		p1=pre->next;
		while(p1->next!=NULL)
		{
			if(p1->next->num<pre->next->num)
				pre=p1;
			p1=p1->next;
		}
		printf("%d %d\n",pre->next->num,pre->next->score);
		u=pre->next;
		pre->next=u->next;
		free(u);
	}
	free(head1);
}