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27 problems total

Array (1905)Sorting (440)Depth First Search (316)Database (301)Breadth First Search (241)Tree (240)Stack (172)Graph Theory (169)Linked List (81)Monotonic Stack (67)Queue (50)Recursion (48)Shortest Path (33)

All Topics(4301)Database(305)Networking(0)Object Oriented Design(31)Programming Languages(5)System Design(0)Algorithms(3944)

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Active filters:Category: Linked List×Company: apple×

Title	Difficulty	Videos	Companies
Add Two Numbers represented as Linked List in Reversed Order	medium	-	adobe aetion airbnb
Remove Nth Node From End of List	medium		adobe amazon apple
Merge Two Sorted Linked Lists	easy		adobe airbnb alibaba
Merge K Sorted Lists	hard		adobe airbnb alibaba
Swap Nodes in Pairs	medium	-	adobe amazon apple
K Reverse a linked list	hard	-	adobe amazon apple
Remove duplicates from Sorted List 2	medium		adobe amazon apple
Remove duplicates from Sorted List 1	easy		adobe amazon apple
Partition List	medium	-	amazon apple linkedin
Reverse Linked List 2 - between m and n	medium	-	adobe amazon apple
Flatten binary tree to linked list in order of preorder traversal	medium	-	adobe amazon apple
Populate next pointer to right node in Perfect Binary Tree	medium	-	amazon apple bloomberg
Copy List with Random Pointer	medium	-	adobe amazon apple
Linked List Cycle 1 - Detect Cycle	easy		adobe amazon apple
Linked List Cycle 2 - Find Start of a Cycle	medium	-	adobe amazon apple
Reorder List such that i-th element points to n-i-th element	medium		adobe amazon apple
Design LRU Cache	medium	-	adobe alibaba amazon
Remove Linked List Elements	easy	-	adobe amazon apple
Reverse Linked List	easy		adobe alibaba amazon
Palindrome Linked List	easy	-	adobe amazon apple
Delete non-tail Node in linked list, Given only access to that Node	medium		adobe amazon apple
Flatten a Multilevel Doubly Linked List	medium	-	amazon apple bloomberg
Add Two Numbers represented as Linked List in Forward order	medium	-	amazon apple bloomberg
LFU Cache	hard	-	adobe alibaba amazon
Design Circular Queue	medium	-	airbnb amazon apple
Design HashMap	easy	-	adobe amazon apple
Middle of the linked list	easy		adobe amazon apple

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