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Which of the following is a key requirement for implementing binary search?

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Question: Which of the following is a key requirement for implementing binary search?

Options:

  1. The array must be sorted
  2. The array must be of even length
  3. The array must contain integers only
  4. The array must be in ascending order

Correct Answer: The array must be sorted

Solution: 

The key requirement for implementing binary search is that the array must be sorted.

Which of the following is a key requirement for implementing binary search?

Practice Questions

Q1
Which of the following is a key requirement for implementing binary search?
  1. The array must be sorted
  2. The array must be of even length
  3. The array must contain integers only
  4. The array must be in ascending order

Questions & Step-by-Step Solutions

Which of the following is a key requirement for implementing binary search?
  • Step 1: Understand what binary search is. It is a method to find an item in a sorted array quickly.
  • Step 2: Know that binary search works by repeatedly dividing the search interval in half.
  • Step 3: Realize that for binary search to work correctly, the array must be sorted in either ascending or descending order.
  • Step 4: If the array is not sorted, binary search will not be able to find the item correctly.
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