LeetCode 128: Longest Consecutive Sequence in JavaScript - Explained and Implemented

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Summary:
🔍 In this JavaScript tutorial, we unravel the secrets of LeetCode problem 128 - "Longest Consecutive Sequence." Join me as we explore the problem requirements and implement an efficient solution to find the length of the longest consecutive sequence.

🤔 Problem Statement: Find the length of the longest consecutive sequence of numbers in an unsorted array.

👨‍💻 Solution Approach:

HashSet Technique: Utilize a HashSet to efficiently track consecutive elements.
🚀 Tutorial Highlights:

Understanding the Problem: Break down the problem statement and its constraints.
HashSet Strategy: Dive into the HashSet approach for optimized consecutive sequence tracking.
Code Walkthrough: Step - by - step explanation of the JavaScript code.
💻 Code Link:

LeetCode Problem - Longest Consecutive Sequence

⚡️ Timestamps:
0:00 - Introduction
1:00 - Approach Explanation
4:23 - Javascript Implementation

🎯 Key Takeaways:

Optimized Sequence Tracking: Learn how to efficiently find the longest consecutive sequence.
JavaScript Implementation: Understand the code logic and its application to similar problems.
HashSet Advantages: Explore the benefits of using HashSet in certain algorithmic scenarios.
👨‍🏫 Educational Value:

Algorithmic Thinking: Enhance your problem-solving skills with a practical example.
Data Structure Mastery: Understand the application of HashSets for optimal solutions.
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🚀 Let's master LeetCode challenges together! 💻✨

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Комментарии

My idea is
1. first sort the array
2. then check for its consecutive
3. Make a new array and store the numbers which are consecutive
4. Find the length of that new array . that is the answer

GauravSingh.

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