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3.11 Binary Search

Part of Big Idea 3: Algorithms & Programming in AP® Computer Science Principles. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

Understanding Binary Search

Binary search is an efficient algorithm used to find a specific value within a sorted data set. Unlike linear search, which checks each element one by one, binary search reduces the search area by half with every step. This makes it significantly faster for large data sets, especially when compared to sequential or linear search methods. To understand binary search fully, we need to explore how it works and its requirements. 4

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