Binary Search Iterative Method Video Lecture | Algorithms - Computer Science Engineering (CSE)

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FAQs on Binary Search Iterative Method Video Lecture - Algorithms - Computer Science Engineering (CSE)

1. What is the purpose of using the binary search iterative method?
Ans. The binary search iterative method is used to efficiently search for a specific element in a sorted array by repeatedly dividing the search interval in half.
2. How does the binary search iterative method work?
Ans. The binary search iterative method works by comparing the target value with the middle element of the array. If the target value is equal to the middle element, the search is successful. If the target value is less than the middle element, the search continues on the left half of the array; if the target value is greater, the search continues on the right half.
3. What is the time complexity of the binary search iterative method?
Ans. The time complexity of the binary search iterative method is O(log n), where n is the number of elements in the array. This is because with each iteration, the search interval is halved, leading to a logarithmic time complexity.
4. Can the binary search iterative method be used on unsorted arrays?
Ans. No, the binary search iterative method can only be used on sorted arrays. If the array is unsorted, the method will not work correctly as it relies on the elements being in a specific order.
5. What happens if the target element is not present in the array when using the binary search iterative method?
Ans. If the target element is not present in the array, the method will eventually narrow down the search interval to a single element. At this point, if the target element is still not found, the method will return a value indicating that the element is not in the array.
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