Code:
#include stdio.h
#include stdlib.h
struct node
{
int num;
struct node *next;
};
void feedmember(struct node **);
int compare (struct node *, struct node *);
void release(struct node **);
int main()
{
struct node *p = NULL;
struct node *q = NULL;
int result;
printf("Enter data into first list\n");
feedmember(&p);
printf("Enter data into second list\n");
feedmember(&q);
result = compare(p, q);
if (result == 1)
{
printf("The 2 list are equal.\n");
}
else
{
printf("The 2 lists are unequal.\n");
}
release (&p);
release (&q);
return 0;
}
int compare (struct node *p, struct node *q)
{
while (p != NULL && q != NULL)
{
if (p->num != q-> num)
{
return 0;
}
else
{
p = p->next;
q = q->next;
}
}
if (p != NULL || q != NULL)
{
return 0;
}
else
{
return 1;
}
}
void feedmember (struct node **head)
{
int c, ch;
struct node *temp;
do
{
printf("Enter number: ");
scanf("%d", &c);
temp = (struct node *)malloc(sizeof(struct node));
temp->num = c;
temp->next = *head;
*head = temp;
printf("Do you wish to continue [1/0]: ");
scanf("%d", &ch);
}while (ch != 0);
printf("\n");
}
void release (struct node **head)
{
struct node *temp = *head;
while ((*head) != NULL)
{
(*head) = (*head)->next;
free(temp);
temp = *head;
}
}
Output:
Enter data into first list
Enter number: 12
Do you wish to continue [1/0]: 1
Enter number: 3
Do you wish to continue [1/0]: 1
Enter number: 28
Do you wish to continue [1/0]: 1
Enter number: 9
Do you wish to continue [1/0]: 0
Enter data into second list
Enter number: 12
Do you wish to continue [1/0]: 1
Enter number: 3
Do you wish to continue [1/0]: 1
Enter number: 28
Do you wish to continue [1/0]: 1
Enter number: 9
Do you wish to continue [1/0]: 0
The 2 list are equal.
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