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Which of the following is a prerequisite for implementing binary search?

Practice Questions

Q1
Which of the following is a prerequisite for implementing binary search?
  1. The array must be sorted
  2. The array must be dynamic
  3. The array must be of even length
  4. The array must contain integers only

Questions & Step-by-Step Solutions

Which of the following is a prerequisite for implementing binary search?
  • Step 1: Understand what binary search is. It is a method to find an item in a sorted list quickly.
  • Step 2: Know that binary search works by repeatedly dividing the list in half.
  • Step 3: Realize that for binary search to work correctly, the list must be in a specific order (sorted).
  • Step 4: If the list is not sorted, binary search will not be able to find the item correctly.
  • Step 5: Therefore, the prerequisite for using binary search is that the array must be sorted.
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