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

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

Practice Questions

Q1
In a 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 a binary search, if the target value is not found, what will be the return value?
  • Understand Binary Search: It finds a target value in a sorted array.
  • Check the middle element of the array.
  • If the middle element is not the target, decide to search left or right.
  • Continue searching until there are no elements left.
  • If the target is not found, return -1.
  • Binary Search Return Values – Understanding what a binary search algorithm returns when the target value is not found.
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