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In a binary search, if the target value is not present in the array, what will b

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Question: In a binary search, if the target value is not present in the array, 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 found in the array.

In a binary search, if the target value is not present in the array, what will b

Practice Questions

Q1
In a binary search, if the target value is not present in the array, 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 present in the array, what will be the return value?
  • Step 1: Start with a sorted array and a target value you want to find.
  • Step 2: Use binary search to look for the target value in the array.
  • Step 3: If the target value is found, return its index (position) in the array.
  • Step 4: If the target value is not found after searching the entire array, return -1.
  • Step 5: The return value of -1 means the target value is not present in the array.
  • Binary Search – A search algorithm that finds the position of a target value within a sorted array.
  • Return Values – Understanding what a function returns when a condition (like not finding a target) is met.
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