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Which of the following is NOT a typical use case for hash tables?

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Question: Which of the following is NOT a typical use case for hash tables?

Options:

  1. Implementing a phone book
  2. Counting frequency of words in a document
  3. Storing a sorted list of items
  4. Implementing a set data structure

Correct Answer: Storing a sorted list of items

Solution:

Hash tables are not designed for maintaining sorted order, which is required for a sorted list of items.

Which of the following is NOT a typical use case for hash tables?

Practice Questions

Q1
Which of the following is NOT a typical use case for hash tables?
  1. Implementing a phone book
  2. Counting frequency of words in a document
  3. Storing a sorted list of items
  4. Implementing a set data structure

Questions & Step-by-Step Solutions

Which of the following is NOT a typical use case for hash tables?
  • Step 1: Understand what a hash table is. A hash table is a data structure that stores data in key-value pairs for fast access.
  • Step 2: Identify typical uses of hash tables. Common uses include storing user data, caching, and implementing sets.
  • Step 3: Consider what a sorted list is. A sorted list is an arrangement of items in a specific order, like alphabetical or numerical.
  • Step 4: Compare the two. Hash tables do not keep items in any specific order; they focus on quick access to data using keys.
  • Step 5: Conclude that maintaining a sorted order is not a typical use case for hash tables.
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