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If the target value is not present in the array, what will binary search return?
Practice Questions
Q1
If the target value is not present in the array, what will binary search return?
The index of the closest value
The index of the first element
The index of the last element
-1
Questions & Step-by-Step Solutions
If the target value is not present in the array, what will binary search return?
Steps
Concepts
Step 1: Understand that binary search is a method used to find a target value in a sorted array.
Step 2: If the target value is present in the array, binary search will return the index of that value.
Step 3: If the target value is not present in the array, binary search will not find it.
Step 4: In this case, binary search typically returns -1 to indicate that the target value is absent.
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 absence of a target) is met.
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