Explain Hash Map Collisions and Operation Complexity
Company: Anduril
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Onsite
Overview: Explain how hash maps use hashing, buckets, and equality checks to store and retrieve key-value pairs. Compare separate chaining with open addressing, including collisions, deletion, load factor, resizing, and expected versus worst-case complexity.
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