🚀 Find the Missing Number in an Array | JavaScript | Interview Preparation Series

Опубликовано: 14 Июнь 2026
на канале: Code GupShup with Puneet
140
23

In this video, we solve one of the most commonly asked Data Structures & Algorithms interview questions, Missing Number in an Array using JavaScript.

This problem is frequently asked in coding interviews because it tests your understanding of:
🔹 Array traversal
🔹 Time complexity
🔹 Problem-solving approach

We walk step-by-step through the logic and show how to efficiently find the missing number from a given array containing numbers in the range 0 to n.

In this video, you will learn how to find the missing number in an array along with the JavaScript implementation of the solution and its time and space complexity.

[ Interview tips for similar problems ]

Background music details :
Benji · Dyalla
℗ YouTube Audio Library
Released on: 2020-07-07
Auto-generated by YouTube.


Problems are referenced from LeetCode for educational purposes.
All explanations and code are my own.


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