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MCQ

A variant of linked list in which last node of the list points to the first node of the list is?

Singly linked list

Doubly linked list

Circular linked list

Multiply linked list

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MCQ

What is the time complexity of inserting a node in a doubly linked list?

O(nlogn)

O(logn)

O(n)

O(1)

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MCQ

What is the output of following function for start pointing to first node of following linked list?
1->2->3->4->5->6

void fun(struct node* start)
{
  if(start == NULL)
    return;
  printf("%d ", start->data);

  if(start->next != NULL )
    fun(start->next->next);
  printf("%d ", start->data);
}

1 4 6 6 4 1

1 3 5 1 3 5

1 2 3 5

1 3 5 5 3 1

Discussion

MCQ

What does a xor linked list have ?

every node stores the XOR of addresses of previous and next nodes

actuall memory address of next node

every node stores the XOR of addresses of previous and next two nodes

every node stores xor 0 and the current node address

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MCQ

Consider the 2-level skip list.

data-structure-questions-answers-skip-list-q2

How to access 38?

travel 20-30-35-38

travel 20-30-40-38

travel 20-38

travel 20-40-38

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MCQ

Direct or random access of elements is not possible in ...............

Linked list

Array

String

None of these

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Engineering

General

Medical

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Medical

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Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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