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In binary search, if the target value is not found, what will be the return valu

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Question: In binary search, if the target value is not found, what will be the return value?

Options:

  1. -1
  2. 0
  3. null
  4. the index of the closest value

Correct Answer: -1

Solution: 

Typically, binary search returns -1 to indicate that the target value is not present in the array.

In binary search, if the target value is not found, what will be the return valu

Practice Questions

Q1
In binary search, if the target value is not found, what will be the return value?
  1. -1
  2. 0
  3. null
  4. the index of the closest value

Questions & Step-by-Step Solutions

In binary search, if the target value is not found, what will be the return value?
  • Step 1: Understand what binary search is.
  • Step 2: Learn how binary search checks elements in the array.
  • Step 3: Know what happens when the target is not found.
  • Step 4: Understand that -1 is returned to indicate the target is not present.
  • Binary Search Return Values – Understanding how binary search indicates the absence of a target value.
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