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tech-interview-handbook/algorithms/hash-table.md

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Hash Table

  • Describe an implementation of a least-used cache, and big-O notation of it.
  • A question involving an API's integration with hash map where the buckets of hash map are made up of linked lists.
  • Implement data structure Map storing pairs of integers (key, value) and define following member functions in O(1) runtime: void insert(key, value), void delete(key), int get(key), int getRandomKey().