Interview Question Bank
Access real interview questions from top companies and master them with AI-driven practice.
140.1K views•Recently added
Find Closest Value in BST
Data Structures
Asked at Meta
Easy
119.1K Users PracticedPractice with This Question
34K views•Recently added
Count Complete Tree Nodes (Optimized)
Data Structures
Asked at Microsoft
Medium
28.9K Users PracticedPractice with This Question
119.4K views•Recently added
Intersection of Two Arrays II (Hash Map)
Data Structures
Asked at Amazon
Easy
101.5K Users PracticedPractice with This Question
85.2K views•Recently added
Design a Compressed String Iterator (Advanced)
Data Structures
Asked at Stripe
Medium
72.4K Users PracticedPractice with This Question
47.6K views•Recently added
Design a Calendar Scheduling System (Set/Map)
Data Structures
Asked at Salesforce
Medium
40.5K Users PracticedPractice with This Question
92.5K views•Recently added
Longest Consecutive Sequence (Set)
Data Structures
Asked at Uber
Medium
78.7K Users PracticedPractice with This Question
39.8K views•Recently added
Implement a Fibonacci Heap (Conceptual)
Data Structures
Asked at Tesla
Hard
33.8K Users PracticedPractice with This Question
31.4K views•Recently added
Binary Tree Level Order Traversal II (Bottom-up)
Data Structures
Asked at Airbnb
Easy
26.7K Users PracticedPractice with This Question
147.7K views•Recently added
Evaluate Reverse Polish Notation (Stack)
Data Structures
Asked at Spotify
Medium
125.5K Users PracticedPractice with This Question
104K views•Recently added
Design a Least Frequently Used (LFU) Cache
Data Structures
Asked at Google
Hard
88.4K Users PracticedPractice with This Question