Which of the following statements are true ?i) practical app...

MCQ

Which of the following statements are true ?
i) practical application of XOR linked lists are in environments with limited space requirements, such as embedded devices.

ii)xor lists are not suitable because most garbage collectors will fail to work properly with classes or structures that don

i, ii, iii, iv

i, ii, iii

i, ii

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The following C function takes a simply-linked list as input argument. It modifies the list by moving the last element to the front of the list and returns the modified list. Some part of the code is left blank. Choose the correct alternative to replace the blank line.
typedef struct node
{
  int value;
  struct node *next;
}Node;

Node *move_to_front(Node *head)
{
  Node *p, *q;
  if ((head == NULL: || (head->next == NULL))
    return head;
  q = NULL; p = head;
  while (p-> next !=NULL)
  {
    q = p;
    p = p->next;
  }
  _______________________________
  return head;
}

q = NULL; p->next = head; head = p;

q->next = NULL; head = p; p->next = head;

head = p; p->next = q; q->next = NULL;

q->next = NULL; p->next = head; head = p;

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Disadvantages of xor lists

Almost of debugging tools cannot follow the XOR chain, making debugging difficult

You need to remember the address of the previously accessed node in order to calculate the next node

In some contexts XOR of pointers is not defined

All of the mentioned

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Which of the following statement is true?

i) Using singly linked lists and circular list, it is not possible to traverse the list backwards.

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