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Grokking the Coding Interview Patterns in Python

Design HashSet

Explore how to design and implement a custom HashSet class in Python without relying on built-in hash table libraries. This lesson guides you through creating add, contains, and remove methods, helping you understand core data structure design principles for efficient problem-solving.

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Statement

Design a MyHashSet class without using any built-in hash table libraries and implement the following methods in it:

  • void add(key): Inserts the value key into the HashSet.

  • bool contains(key): Returns TRUE if the key exists in the HashSet, FALSE otherwise.

  • void remove(key): Removes the value key if it exists in the HashSet.

Constraints:

  • ...