Topic

Data Structures & Algorithms

Real interview questions with expert answers, plain-English explanations, and practical examples. (17 questions)

Capgemini Mobile Developer Data Structures & Algorithms

How would you efficiently manage and display a large, dynamic list of items in a mobile application, considering data structure and algorithm choices?

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Cognizant Data Engineer Data Structures & Algorithms

Explain the differences between Bloom filters and Count-Min sketches, and when would a data engineer use each for approximate analytics?

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Infosys Backend Developer Data Structures & Algorithms

When would you use a graph data structure, and what traversal algorithms are most suitable for different real-world problems?

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ServiceNow Data Engineer Data Structures & Algorithms

How does a segment tree efficiently handle range queries and updates, and what are its practical applications in data engineering?

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Oracle Backend Developer Data Structures & Algorithms

When would you prefer a dynamic array (like ArrayList) over a linked list for storing data in a backend service, and what are the memory and performance implications?

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Zomato Backend Developer Data Structures & Algorithms

How would you implement a least recently used (LRU) cache, and what are its core components?

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Intuit Full Stack Developer Data Structures & Algorithms

When would you choose a hash map over a balanced binary search tree, and what are their fundamental performance tradeoffs?

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