Interview Question Bank

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

39.1K viewsRecently added

Intersection of Two Linked Lists

Data Structures
Asked at Apple
Easy
33.2K Users PracticedPractice with This Question
111.3K viewsRecently added

Path Sum (Binary Tree)

Data Structures
Asked at Google
Easy
94.6K Users PracticedPractice with This Question
29.3K viewsRecently added

Design a Logger Rate Limiter

Data Structures
Asked at Meta
Medium
24.9K Users PracticedPractice with This Question
52.6K viewsRecently added

Implement a Priority Queue using a Heap

Data Structures
Asked at Microsoft
Medium
44.7K Users PracticedPractice with This Question
25.1K viewsRecently added

Find the Middle of a Linked List

Data Structures
Asked at Amazon
Easy
21.4K Users PracticedPractice with This Question
77.7K viewsRecently added

Implement an All $O(1)$ Data Structure

Data Structures
Asked at Stripe
Hard
66.1K Users PracticedPractice with This Question
33.3K viewsRecently added

Binary Tree Preorder Traversal (Iterative)

Data Structures
Asked at Uber
Medium
28.3K Users PracticedPractice with This Question
43.3K viewsRecently added

Design a Simple Spell Checker (Trie/Set)

Data Structures
Asked at IBM
Easy
36.8K Users PracticedPractice with This Question
96.7K viewsRecently added

Shortest Distance to Target Color (Preprocessing)

Data Structures
Asked at LinkedIn
Medium
82.2K Users PracticedPractice with This Question
73.3K viewsRecently added

Implement a Doubly Linked List

Data Structures
Asked at Cisco
Easy
62.3K Users PracticedPractice with This Question
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