Скачать или смотреть Group Anagrams Explained | HashMap + Sorting vs Frequency Count | DSA Sheet Solution

🔥 Group Anagrams – Full Intuition + Approaches + Code (DSA Sheet / LeetCode)
In this video, we break down the famous string problem “Group Anagrams” using multiple approaches and deep intuition.

This is a highly important question asked in almost every product-based company interview because it tests:
✔ String manipulation
✔ HashMap logic
✔ Frequency counting
✔ Sorting-based hashing
✔ Data structure thinking

We explore all working solutions with dry runs and Java code.

📌 What You Will Learn

✔ What is an Anagram?
✔ How to build a unique key for grouping
✔ Sorting-based hashing (O(n * k log k))
✔ Frequency-array-based hashing (O(n * k))
✔ Time & Space Complexity
✔ How HashMap groups words
✔ Java implementation (clean + optimized)

🎯 Companies Asking This Question

Google, Amazon, Uber, Meta, Microsoft, Adobe, Walmart, LinkedIn, Atlassian

📘 DSA Sheet Link:
👉 https://docs.google.com/spreadsheets/...

Playlist :    • DSA in Java || Beginner to Advance  

Code : https://github.com/maheshahirwar/dsa-...

⏱️ Timestamps:
00:00 - Introduction
00:08 - Problem Statement & Examples
01:00 - Brute Force Approach - O(N^2 * M)
05:15 - Optimized Approach using HashMap - O(N*M)
11:44 - Code implementation
16:00 - Conclusion


🌐 Connect with Us:
Website: https://linktr.ee/connectwithmahesh
Facebook: https://www.facebook.com/profile.php?...
Twitter: https://x.com/MaheshA74531040
Instagram:   / mr_mahesh_ar  
LinkedIn :   / mahesh-ahirwar-6968921a9  

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Thank you for watching! We hope you found this video informative and helpful. If you have any questions or suggestions, please leave a comment below. Happy coding! Keep watching!!