Linked List

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1. 01 Reverse a Linked List Easy
2. 02 Detect Cycle in a Linked List Easy
3. 03 Merge Two Sorted Lists Easy
4. 04 Remove Nth Node From End of List Medium
5. 05 Reorder List Medium
6. 06 Add Two Numbers Medium
7. 07 Copy List with Random Pointer Medium
8. 08 Sort List Medium
9. 09 Palindrome Linked List Easy
10. 10 Swap Nodes in Pairs Medium
11. 11 Reverse Linked List Easy
12. 12 Linked List Cycle Easy
13. 13 Middle of the Linked List Easy
14. 14 Odd Even Linked List Medium
15. 15 Reverse Linked List II Medium
16. 16 Remove Duplicates from Sorted List II Medium
17. 17 Rotate List Medium
18. 18 Partition List Medium
19. 19 Find the Middle of Linked List Easy
20. 20 Merge Two Sorted Linked Lists Easy
21. 21 Remove Nth Node from End of Linked List Medium
22. 22 Add Two Numbers as Linked Lists Medium
23. 23 Find Intersection Point of Two Linked Lists Medium
24. 24 Detect a Cycle in a Linked List Easy
25. 25 Reverse a Linked List in Groups of Size K Hard
26. 26 Check if Linked List is Palindrome Medium
27. 27 Rotate a Linked List Medium
28. 28 Flattening of a Linked List Hard
29. 29 Clone a Linked List with Random Pointers Hard
30. 30 Reverse a Linked List (Iterative & Recursive) Easy
31. 31 Reverse a Linked List in Groups of Given Size Hard
32. 32 Detect and Remove Loop in a Linked List Medium
33. 33 Remove Duplicates from Sorted Linked List Easy
34. 34 Add 1 to a Number Represented as Linked List Medium
35. 35 Add Two Numbers Represented by Linked Lists Medium
36. 36 Intersection Point of Two Linked Lists Medium
37. 37 Merge Sort for Linked Lists Hard
38. 38 Find the Middle of a Linked List Easy
39. 39 Check if a Linked List is a Palindrome Medium
40. 40 Reverse a Doubly Linked List Easy
41. 41 Clone a Linked List with Next and Random Pointer Hard
42. 42 Merge K Sorted Linked Lists Hard
43. 43 Flatten a Linked List Hard
44. 44 Reverse the linked list (iterative and recursive) Easy
45. 45 Reverse a linked list in groups of a given size Hard
46. 46 Detect loop in a linked list Easy
47. 47 Delete loop in a linked list Medium
48. 48 Remove duplicates in a sorted linked list Easy
49. 49 Remove duplicates in an unsorted linked list Medium
50. 50 Move the last element to the front of a linked list Easy
51. 51 Add 1 to a number represented as a linked list Medium
52. 52 Intersection of two sorted linked lists Medium
53. 53 Quicksort for linked lists Hard
54. 54 Find the middle element of a linked list Easy
55. 55 Check if a linked list is a circular linked list Easy
56. 56 Split a circular linked list into two halves Medium
57. 57 Check whether a singly linked list is a palindrome Medium
58. 58 Deletion from a circular linked list Medium
59. 59 Find pairs with a given sum in a doubly linked list Medium
60. 60 Count triplets in a sorted doubly linked list whose sum equals a given value X Hard
61. 61 Sort a k-sorted doubly linked list Hard
62. 62 Rotate a doubly linked list by N nodes Medium
63. 63 Rotate a doubly linked list in groups of a given size Hard
64. 64 Can we reverse a linked list in less than O(n) time Medium
65. 65 Why is Quicksort preferred for arrays and Merge Sort for linked lists Easy
66. 66 Sort a linked list of 0s, 1s and 2s Medium
67. 67 Multiply two numbers represented by linked lists Medium
68. 68 Segregate even and odd nodes in a linked list Medium
69. 69 Find the nth node from the end of a linked list Easy
70. 70 Detect Cycle in Linked List Easy
71. 71 Remove Nth Node From End Medium