How does binary search determine the middle element of the array?
Practice Questions
Q1
How does binary search determine the middle element of the array?
Using the first and last index
Using the average of all elements
Using the median value
Using a random index
Questions & Step-by-Step Solutions
How does binary search determine the middle element of the array?
Step 1: Identify the current bounds of the array. These are represented by two variables: 'low' (the starting index) and 'high' (the ending index).
Step 2: Use the formula (low + high) / 2 to calculate the middle index of the array. This gives you the position of the middle element.
Step 3: If the array has an even number of elements, this formula will give you the lower of the two middle indices.
Binary Search Algorithm – A search algorithm that finds the position of a target value within a sorted array by repeatedly dividing the search interval in half.
Middle Element Calculation – The method of determining the middle index of the current search range using the formula (low + high) / 2.
