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While creating a linked list or inserting an element into a linked list, whenever a request for the new node arrives, the memory manager searches through the ------------for the block of desired size.

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MCQ
1.
Consider an implementation of unsorted singly linked list. Suppose it has its representation with a head pointer only.Given the representation, which of the following operation can be implemented in O(1) time?

      i)Insertion at the front of the linked list
     ii)Insertion at the end of the linked list
    iii) Deletion of the front node of the linked list
   iv)Deletion of the last node of the linked list
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2.
What is indexed skip list?
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MCQ
3.
Free lists are used in
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MCQ
4.
The following function reverse() is supposed to reverse a singly linked list. There is one line missing at the end of the function.

/* Link list node */
struct node
{
    int data;
    struct node* next;
};
 
/* head_ref is a double pointer which points to head (or start) pointer 
  of linked list */
static void reverse(struct node** head_ref)
{
    struct node* prev   = NULL;
    struct node* current = *head_ref;
    struct node* next;
    while (current != NULL)
    {
        next  = current->next;  
        current->next = prev;   
        prev = current;
        current = next;
    }
    /*ADD A STATEMENT HERE*/
}

What should be added in place of "/*ADD A STATEMENT HERE*/", so that the function correctly reverses a linked list.
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5.
Consider linked list is used to implement the Stack then which of the following node is considered as Top of the Stack ?
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