Interview Question Bank
Access real interview questions from top companies and master them with AI-driven practice.
56.3K views•Recently added
Design a Twitter Feed (Sorted Set/Time Series)
Data Structures
Asked at Meta
Medium
47.9K Users PracticedPractice with This Question
41.7K views•Recently added
Find the Root of N-ary Tree (Graph Traversal)
Data Structures
Asked at Google
Easy
35.5K Users PracticedPractice with This Question
149.7K views•Recently added
Convert Binary Tree to Doubly Linked List in Place
Data Structures
Asked at Microsoft
Hard
127.2K Users PracticedPractice with This Question
83.3K views•Recently added
Remove Duplicates from Sorted List II
Data Structures
Asked at Amazon
Medium
70.8K Users PracticedPractice with This Question
77.4K views•Recently added
Design a Snake Game (Queue and Set)
Data Structures
Asked at Stripe
Medium
65.8K Users PracticedPractice with This Question
117.1K views•Recently added
Balanced Parentheses (Stack)
Data Structures
Asked at Apple
Easy
99.5K Users PracticedPractice with This Question
73.2K views•Recently added
Connect Next Pointers in Perfect Binary Tree
Data Structures
Asked at Netflix
Medium
62.2K Users PracticedPractice with This Question
124.6K views•Recently added
Design a Distributed Set (Probabilistic)
Data Structures
Asked at Tesla
Hard
105.9K Users PracticedPractice with This Question
123.3K views•Recently added
Binary Tree Postorder Traversal (Iterative)
Data Structures
Asked at Airbnb
Hard
104.8K Users PracticedPractice with This Question
93K views•Recently added
Find the Difference (Hash Map/XOR)
Data Structures
Asked at Spotify
Easy
79K Users PracticedPractice with This Question