⌨️ap computer science principles review

Binary Search Algorithm

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

A binary search algorithm is an efficient searching algorithm that repeatedly divides a sorted list into halves, eliminating half of the remaining elements at each step, until it finds the target value or determines it does not exist.

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