Interview Question Bank
Access real interview questions from top companies and master them with AI-driven practice.
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Design a Time Map (TreeMap/Sorted Map)
Data Structures
Asked at Google
Medium
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75.5K views•Recently added
Implement a Map with Time Expiration
Data Structures
Asked at Uber
Hard
64.2K Users PracticedPractice with This Question
132.9K views•Recently added
Number of Operations to Make Network Connected (Union-Find)
Data Structures
Asked at Salesforce
Medium
113K Users PracticedPractice with This Question
27.9K views•Recently added
Design a File System (Hash Map and Set)
Data Structures
Asked at Amazon
Medium
23.7K Users PracticedPractice with This Question
110.8K views•Recently added
Binary Tree Zigzag Level Order Traversal
Data Structures
Asked at Google
Medium
94.2K Users PracticedPractice with This Question
60.4K views•Recently added
Design a Data Stream Median Finder
Data Structures
Asked at Microsoft
Hard
51.3K Users PracticedPractice with This Question
79.4K views•Recently added
Implement a Generic Graph Structure
Data Structures
Asked at Stripe
Medium
67.5K Users PracticedPractice with This Question
65.9K views•Recently added
Word Search (Trie & Backtracking)
Data Structures
Asked at Uber
Medium
56K Users PracticedPractice with This Question
71.4K views•Recently added
Convert BST to Greater Tree
Data Structures
Asked at Google
Medium
60.7K Users PracticedPractice with This Question
139K views•Recently added
Insert into a Binary Search Tree
Data Structures
Asked at Netflix
Easy
118.2K Users PracticedPractice with This Question