Interview Question Bank

Access real interview questions from top companies and master them with AI-driven practice.

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Implement a Queue using Stacks

Data Structures
Asked at Uber
Easy
22.2K Users PracticedPractice with This Question
106.4K viewsRecently added

Trie (Prefix Tree) Implementation

Data Structures
Asked at Google
Medium
90.4K Users PracticedPractice with This Question
43.5K viewsRecently added

Invert Binary Tree

Data Structures
Asked at Netflix
Easy
37K Users PracticedPractice with This Question
138.3K viewsRecently added

Merge Two Sorted Linked Lists

Data Structures
Asked at Stripe
Easy
117.5K Users PracticedPractice with This Question
20.8K viewsRecently added

Design a File System (Trie variant)

Data Structures
Asked at Salesforce
Medium
17.7K Users PracticedPractice with This Question
59.4K viewsRecently added

Implement a Hash Map from Scratch

Data Structures
Asked at Airbnb
Hard
50.5K Users PracticedPractice with This Question
84.4K viewsRecently added

Lowest Common Ancestor of a Binary Tree

Data Structures
Asked at Apple
Medium
71.8K Users PracticedPractice with This Question
93.9K viewsRecently added

Level Order Traversal of a Binary Tree

Data Structures
Asked at Amazon
Easy
79.8K Users PracticedPractice with This Question
66.1K viewsRecently added

Binary Tree Right Side View

Data Structures
Asked at Uber
Medium
56.2K Users PracticedPractice with This Question
28.7K viewsRecently added

Implement a Stack using Queues

Data Structures
Asked at Tesla
Medium
24.4K Users PracticedPractice with This Question
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