#include <stdio.h>

#include <stdlib.h>

typedef int datatype;

typedef struct lnode

{

datatype data;

lnode *next;

}*head;

/*create a new link node*/

void creat(lnode *head)

{

printf("How many node do you want to creat?\n");

int l;

scanf("%d", &l);

int *arr = (int *)malloc(sizeof(int) * l);

printf("Input %d number:\n", l);

for (int i = 0; i < l; ++i)

{

scanf("%d", arr[i]);

}

lnode *cur = (lnode *)malloc(sizeof(lnode));

head->next = cur;

for (int i = 0; i < l; ++i)

{

lnode *temp = (lnode *)malloc(sizeof(lnode)); /*malloc space for the new node */

cur->data = temp->data = arr[i];

cur->next = temp;

cur->next->next = NULL;

}

free(arr);

arr = NULL;

}

/*travel the link node*/

bool travel(lnode *head)

{

lnode *cur = head;

while (cur->next != NULL)

{

printf("%d ", cur->next->data);

}

printf("\n");

return true;

}

int maim(void)

{

creat(head);

bool f = travel(head);

return 0;

}