Common Interview Questions and Answers
Practice the most frequently asked interview questions with expert answers, approach tips, and AI-powered feedback.
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147.5K views•7mo ago
Shortest Word Distance
Algorithms
Asked at Spotify
Easy
125.3K Users PracticedPractice with This Question
92.5K views•7mo ago
Design HashMap
Algorithms
Asked at Google
Medium
78.6K Users PracticedPractice with This Question
130.3K views•7mo ago
Count Primes
Algorithms
Asked at Amazon
Medium
110.8K Users PracticedPractice with This Question
93.8K views•7mo ago
Range Sum Query - Immutable
Algorithms
Asked at Microsoft
Easy
79.8K Users PracticedPractice with This Question
58.1K views•7mo ago
Sliding Window Maximum
Algorithms
Asked at Google
Hard
49.4K Users PracticedPractice with This Question
119K views•7mo ago
Serialize and Deserialize BST
Algorithms
Asked at Amazon
Medium
101.1K Users PracticedPractice with This Question
140.3K views•7mo ago
Alien Dictionary
Algorithms
Asked at Microsoft
Hard
119.3K Users PracticedPractice with This Question
64.7K views•7mo ago
Find All Duplicates in an Array
Algorithms
Asked at Meta
Medium
55K Users PracticedPractice with This Question
142.3K views•7mo ago
Game of Life
Algorithms
Asked at Apple
Medium
121K Users PracticedPractice with This Question
107.1K views•7mo ago
Meeting Rooms
Algorithms
Asked at Spotify
Easy
91K Users PracticedPractice with This Question