---
id: 698de0ca7932b3cc4b19c938
title: Ensuring the Correctness of Merge Sort
challengeType: 11
videoId: UHAYHvqxVKY
dashedName: ensuring-the-correctness-of-merge-sort
---

# --description--

In this video, you will learn how to evaluate the merge sort algorithm and determine its correctness. 

# --questions--

## --text--

What technique is used in the `verify_sorted` function?

## --answers--

recursion

---

dynamic programming

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iteration

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backtracking

## --video-solution--

1
