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Program41.c
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Program41.c
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#include <stdio.h>
#include <stdlib.h>
struct DLL
{
int data;
struct DLL *next;
struct DLL *prev;
};
struct DLL *head = NULL;
void insertion_last()
{
struct DLL *ptr, *temp;
int item;
ptr = (struct DLL *)malloc(sizeof(struct DLL));
if (ptr == NULL)
{
printf("\nOVERFLOW");
}
else
{
printf("\nEnter value");
scanf("%d", &item);
ptr->data = item;
if (head == NULL)
{
ptr->next = NULL;
ptr->prev = NULL;
head = ptr;
}
else
{
temp = head;
while (temp->next != NULL)
{
temp = temp->next;
}
temp->next = ptr;
ptr->prev = temp;
ptr->next = NULL;
}
}
printf("\nnode inserted\n");
}
void main()
{
int n;
printf("Enter the number of nodes you want to insert: ");
scanf("%d", &n);
for (int i = 0; i < n; i++)
{
insertion_last();
}
// PRINT ELEMENTS OF NODE
struct DLL *temp = head;
while (temp != NULL)
{
printf("%d ", temp->data);
temp = temp->next;
}
}