Linked List Interview Questions

Linked List Stack Design Doubly-Linked List Ordered Set

Rank

#146MediumFrequency: 100%

LRU Cache

Asked at Flipkart

Rank

#460HardFrequency: 88%

LFU Cache

Asked at Salesforce

Rank

#206EasyFrequency: 87%

Reverse Linked List

Asked at Oracle

Rank

#23HardFrequency: 72%

Merge k Sorted Lists

Linked List Divide and Conquer Heap (Priority Queue)Merge Sort

Rank

#2MediumFrequency: 71%

Add Two Numbers

Linked List Math Recursion

Rank

#138MediumFrequency: 67%

Copy List with Random Pointer

Hash Table Linked List

Rank

#758MediumFrequency: 64%

Convert Binary Search Tree to Sorted Doubly Linked List

Linked List Stack Tree Depth-First Search Binary Search Tree Binary Tree Doubly-Linked List

Rank

#432HardFrequency: 63%

All O`one Data Structure

Rank

#850MediumFrequency: 57%

Insert into a Sorted Circular Linked List

Linked List

#10

Rank

#114MediumFrequency: 53%

Flatten Binary Tree to Linked List

Linked List Stack Tree Depth-First Search Binary Tree

#11

Rank

#141EasyFrequency: 53%

Linked List Cycle

Hash Table Linked List Two Pointers

#12

Rank

#116MediumFrequency: 51%

Populating Next Right Pointers in Each Node

Linked List Tree Depth-First Search Breadth-First Search Binary Tree

#13

Rank

#21EasyFrequency: 48%

Merge Two Sorted Lists

#14

Rank

#234EasyFrequency: 48%

Palindrome Linked List

Linked List Two Pointers Stack Recursion

#15

Rank

#19MediumFrequency: 43%

Remove Nth Node From End of List

Linked List Two Pointers

#16

Rank

#109MediumFrequency: 37%

Convert Sorted List to Binary Search Tree

Linked List Divide and Conquer Tree Binary Search Tree Binary Tree

#17

Rank

#25HardFrequency: 36%

Reverse Nodes in k-Group

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#18

Rank

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Linked List Interview Questions

Master 18 linked list problems frequently asked in technical interviews. These questions test your understanding of linked listconcepts and are essential for coding interview success.

Total Problems

Easy

Medium

Hard

Max Stack

Linked List Stack Design Doubly-Linked List Ordered Set

Rank

#146MediumFrequency: 100%

LRU Cache

Asked at Flipkart

Rank

#460HardFrequency: 88%

LFU Cache

Asked at Salesforce

Rank

#206EasyFrequency: 87%

Reverse Linked List

Asked at Oracle

Rank

#23HardFrequency: 72%

Merge k Sorted Lists

Linked List Divide and Conquer Heap (Priority Queue)Merge Sort

Rank

#2MediumFrequency: 71%

Add Two Numbers

Linked List Math Recursion

Rank

#138MediumFrequency: 67%

Copy List with Random Pointer

Hash Table Linked List

Rank

#758MediumFrequency: 64%

Convert Binary Search Tree to Sorted Doubly Linked List

Linked List Stack Tree Depth-First Search Binary Search Tree Binary Tree Doubly-Linked List

Rank

#432HardFrequency: 63%

All O`one Data Structure

Rank

#850MediumFrequency: 57%

Insert into a Sorted Circular Linked List

Linked List

#10

Rank

#114MediumFrequency: 53%

Flatten Binary Tree to Linked List

Linked List Stack Tree Depth-First Search Binary Tree

#11

Rank

#141EasyFrequency: 53%

Linked List Cycle

Hash Table Linked List Two Pointers

#12

Rank

#116MediumFrequency: 51%

Populating Next Right Pointers in Each Node

Linked List Tree Depth-First Search Breadth-First Search Binary Tree

#13

Rank

#21EasyFrequency: 48%

Merge Two Sorted Lists

#14

Rank

#234EasyFrequency: 48%

Palindrome Linked List

Linked List Two Pointers Stack Recursion

#15

Rank

#19MediumFrequency: 43%

Remove Nth Node From End of List

Linked List Two Pointers

#16

Rank

#109MediumFrequency: 37%

Convert Sorted List to Binary Search Tree

Linked List Divide and Conquer Tree Binary Search Tree Binary Tree

#17

Rank

#25HardFrequency: 36%

Reverse Nodes in k-Group