Dashboard Questions Topics Companies Sheets

Linked List

Topic

79 coding problems covering Linked List concepts. Master this topic and improve your problem-solving skills.

Problems

Easy

Medium

Hard

Difficulty

All79 Easy15 Medium57 Hard7

Title	Solve	Difficulty	Companies	Topics
2. Add Two Numbers	Solve	Medium	Adobe+14	Linked List Math+1
19. Remove Nth Node From End of List	Solve	Medium	Amazon+7	Linked List Two Pointers
21. Merge Two Sorted Lists	Solve	Easy	Accenture+9	Linked List Recursion
23. Merge k Sorted Lists	Solve	Hard	Adobe+17	Divide and Conquer Heap (Priority Queue)+2
24. Swap Nodes in Pairs	Solve	Medium	Adobe+5	Linked List Recursion
25. Reverse Nodes in k-Group	Solve	Hard	Amazon+8	Linked List Recursion
61. Rotate List	Solve	Medium	Bloomberg+1	Linked List Two Pointers
82. Remove Duplicates from Sorted List II	Solve	Medium	Amazon+2	Linked List Two Pointers
83. Remove Duplicates from Sorted List	Solve	Easy	Adobe+4	Linked List
86. Partition List	Solve	Medium	Adobe+8	Linked List Two Pointers
92. Reverse Linked List II	Solve	Medium	1218 Global+122	Linked List
109. Convert Sorted List to Binary Search Tree	Solve	Medium	Amazon+3	Binary Search Tree Binary Tree+3
114. Flatten Binary Tree to Linked List	Solve	Medium	Amazon+3	Binary Tree Depth-First Search+3
116. Populating Next Right Pointers in Each Node	Solve	Medium	Adobe+11	Binary Tree Breadth-First Search+3
117. Populating Next Right Pointers in Each Node II	Solve	Medium	Adobe+8	Binary Tree Breadth-First Search+3
138. Copy List with Random Pointer	Solve	Medium	Aditya Birla group+30	Hash Table Linked List
141. Linked List Cycle	Solve	Easy	42gearMobilitySystems+131	Hash Table Linked List+1
142. Linked List Cycle II	Solve	Medium	Amazon+1	Hash Table Linked List+1
143. Reorder List	Solve	Medium	Adobe+6	Linked List Recursion+2
146. LRU Cache	Solve	Medium	Accolite+56	Design Doubly-Linked List+2
147. Insertion Sort List	Solve	Medium	Google	Linked List Sorting
148. Sort List	Solve	Medium	Amazon+4	Divide and Conquer Linked List+3
160. Intersection of Two Linked Lists	Solve	Easy	Adobe+7	Hash Table Linked List+1
203. Remove Linked List Elements	Solve	Easy	Adobe+3	Linked List Recursion
206. Reverse Linked List	Solve	Easy	Amazon+8	Linked List Recursion
234. Palindrome Linked List	Solve	Easy	Adobe+10	Linked List Recursion+2
237. Delete Node in a Linked List	Solve	Medium	Amazon+1	Linked List
328. Odd Even Linked List	Solve	Medium	Adobe+4	Linked List
355. Design Twitter	Solve	Medium	Amazon+2	Design Hash Table+2
369. Plus One Linked List	Solve	Medium	Google	Linked List Math
379. Design Phone Directory	Solve	Medium	Amazon+1	Array Design+3
382. Linked List Random Node	Solve	Medium	Amazon+2	Linked List Math+2
426. Convert Binary Search Tree to Sorted Doubly Linked List	Solve	Medium	Amazon+2	Binary Search Tree Binary Tree+5
430. Flatten a Multilevel Doubly Linked List	Solve	Medium	Amazon+3	Depth-First Search Doubly-Linked List+1
432. All O`one Data Structure	Solve	Hard	Amazon+2	Design Doubly-Linked List+2
445. Add Two Numbers II	Solve	Medium	Accenture+49	Linked List Math+1
460. LFU Cache	Solve	Hard	Amazon+9	Design Doubly-Linked List+2
622. Design Circular Queue	Solve	Medium	Airbnb+5	Array Design+2
641. Design Circular Deque	Solve	Medium	-	Array Design+2
705. Design HashSet	Solve	Easy	Amazon+6	Array Design+3
706. Design HashMap	Solve	Easy	Adobe+26	Array Design+3
707. Design Linked List	Solve	Medium	Amazon+4	Design Linked List
708. Insert into a Sorted Circular Linked List	Solve	Medium	Facebook+2	Linked List
716. Max Stack	Solve	Hard	Amazon+6	Design Doubly-Linked List+3
725. Split Linked List in Parts	Solve	Medium	Amazon+3	Linked List
817. Linked List Components	Solve	Medium	Amazon+1	Array Hash Table+1
876. Middle of the Linked List	Solve	Easy	Adobe+6	Linked List Two Pointers
1019. Next Greater Node In Linked List	Solve	Medium	Amazon+1	Array Linked List+2
1171. Remove Zero Sum Consecutive Nodes from Linked List	Solve	Medium	Amazon	Hash Table Linked List
1206. Design Skiplist	Solve	Hard	eBay+5	Design Linked List