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If a list contains no elements it is said to be

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1.
Standard approach for implementation of a list is/are of
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2.
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;
}
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3.
Which of the following operation is performed more efficiently in doubly linked list ?
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4.
As memory is allocated dynamically to a linked list, a new node can be inserted anytime in the list. For this, the memory manager maintains a special linked list known as___________.
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5.
Linked lists are not suitable to for the implementation of?
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