#include<stdio.h>
#include<stdlib.h>

struct list
{
	int data;
	struct list *next;
};

int i;
void output(struct list *head);
void creat(struct list *head, int n)//頭插法
{
	struct list *p, *q;
	head->next=NULL;
	p=head;
	
	for(i=0; i<n; i++)
	{
		q=(struct list*)malloc( sizeof(struct list) );
		scanf("%d", &q->data);

		q->next = p->next;
		p->next=q;
		p=q;
	}
}

void creat_1(struct list *head, int n)//尾插法
{
	struct list *p;
	head->next=NULL;

	for(i=0; i<n; i++)
	{
		p=(struct list*)malloc( sizeof(struct list) );
		scanf("%d", &p->data);
		p->next=head->next;
		head->next=p;
	}

}


void output(struct list *head)
{
	struct list *p=head->next;
	while(p)
	{
		printf("%d  ", p->data);
		p=p->next;
	}
	puts("\n\n");
}






void main()
{
	struct list *head;
	head=(struct list*)malloc( sizeof(struct list) );
	creat(head, 5);
	output(head);


	creat_1(head, 5);
	output(head);
}