---
id: 698dea3f7932b3cc4b19c94b
title: Binary Search
challengeType: 11
videoId: VZ1u8vgVJwo
dashedName: binary-search
---

# --description--

In this video, you will revisit the binary search algorithm and how it works in searching through a list of names.

# --questions--

## --text--

When might you use the binary search algorithm over the linear search algorithm?

## --answers--

When the list is unsorted and frequently changing.

---

When you need to check every element one by one.

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When you know you are searching through a large list of sorted results.

---

When the dataset is very small and performance does not matter.

## --video-solution--

3
