LeetCode 169. Majority Element in JavaScript

Опубликовано: 25 Июль 2026
на канале: LeetCode LevelUp
153
10

00:00 - Introduction
00:33 - Whiteboard Walkthrough
02:52 - Code Implementation
08:03 - Outro

Welcome to LeetCode LevelUp!

In today’s video, we tackle LeetCode Problem 169: Majority Element, a fundamental algorithm challenge frequently asked in coding interviews. Using JavaScript, we’ll show you an efficient O(n) time and O(1) space complexity solution to find the element that appears more than n/2 times in an array.

We cover:

Detailed whiteboard explanation of the problem and the Boyer-Moore Voting Algorithm.
Step-by-step JavaScript code walkthrough.
Optimising the solution and handling edge cases for larger arrays.

🔥 Subscribe for daily coding challenges, algorithms, and interview prep tips in JavaScript to help you level up your coding skills and ace your technical interviews.

📌 Let’s connect on LinkedIn:   / oliver-redican-84996193  

🔔 Don’t forget to like, subscribe, and hit the bell for notifications. Let’s level up together and crush those coding interviews!