Topic: linked-list-problem / Level: beginner

• 51. Write a function to find the intersection of two sorted linked lists.
• 52. How do you detect the starting point of a loop in a linked list?
• 53. Write a function to rotate a linked list by k positions.
• 54. Implement a function to pairwise swap elements of a linked list.
• 55. How do you check if a linked list contains an even number of nodes?
• 56. Write a function to find the largest element in a doubly linked list.
• 57. How do you insert a node before a given node in a singly linked list?
• 58. Write a function to delete nodes that have a greater value on the right side in a singly linked list.
• 59. How do you rearrange a linked list so that all even nodes appear before odd nodes?
• 60. Write a function to merge two sorted circular linked lists.
• 61. How do you check if a doubly linked list is a palindrome?
• 62. Implement a function to delete all occurrences of a given key in a linked list.
• 63. How do you flatten a multilevel linked list?
• 64. Write a function to remove every k-th node from a linked list.
• 65. Implement a function to move the last node to the front of a linked list.
• 66. How do you insert a node in a circular linked list in sorted order?
• 67. Write a function to reverse every k nodes of a linked list.
• 68. How do you merge a doubly linked list into a circular linked list?
• 69. Write a function to convert a binary tree to a doubly linked list.
• 70. Implement a function to delete the middle node in a linked list.
• 71. How do you insert a node in a doubly linked list before a given node?
• 72. Write a function to check if a linked list is empty.
• 73. How do you append a node to a circular doubly linked list?
• 74. Implement a function to add two numbers represented by linked lists.
• 75. How do you check if a singly linked list has an odd number of nodes?
• 76. Write a function to swap two nodes without swapping data in a linked list.
• 77. How do you insert a node in a sorted doubly linked list?
• 78. Write a function to find the intersection point of two circular linked lists.
• 79. How do you find the second largest element in a linked list?
• 80. Implement a function to delete nodes that are divisible by a given number in a linked list.
• 81. How do you reverse alternate nodes of a linked list?
• 82. Write a function to find the product of all elements in a linked list.
• 83. How do you move all zeroes to the front of a linked list?
• 84. Implement a function to find the sum of even-positioned nodes in a linked list.
• 85. How do you find the maximum and minimum values in a circular linked list?
• 86. Write a function to check if a doubly linked list is empty.
• 87. How do you append one linked list to another?
• 88. Implement a function to split a linked list into two parts based on a pivot value.
• 89. How do you create a linked list by combining elements from two linked lists alternately?
• 90. Write a function to remove nodes with duplicate values from a linked list.
• 91. How do you find the nth node in a circular linked list?
• 92. Implement a function to count the number of nodes in a doubly linked list.
• 93. How do you delete the node at a given position in a linked list?
• 94. Write a function to check if a singly linked list is sorted.
• 95. How do you delete a doubly linked list?
• 96. Implement a function to convert an array into a linked list.
• 97. How do you insert a node at the tail of a doubly linked list?
• 98. Write a function to merge two linked lists into one without duplicates.
• 99. How do you check if two circular linked lists intersect?
• 100. Implement a function to reverse a circular linked list.

• More Levels

• Intermediate
• Advanced