The author, Abinash Kumar Mishra, explains the problem, outlines a solution using a doubly linked list with buckets and hash maps, provides a Python implementation, and includes a mock interview to discuss design choices and potential improvements for industry standards. The step-by-step approach covers problem analysis, algorithm design, code implementation, and considerations for real-world application, aiming to enhance the reader's competitive programming and system design skills. The article concludes by emphasizing the importance of this comprehensive process for creating robust and efficient solutions.
Efficiently Designing the All O’One Data Structure: A Step-by-Step Guide for Competitive Programmers
In this article, I tackle the challenging "All O’One Data Structure" problem—a problem that requires designing a data structure supporting O(1) operations for key count updates and retrieval of keys …
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