2-D Array - DS - HackerRank DSA Solution #2 | Python

Published: 30 October 2025
on channel: Amir Charkhi, PhD

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🚀 Ready to master 2D arrays and hourglass patterns? This HackerRank problem might seem tricky at first, but I'll walk you through two different approaches that will make it crystal clear! Whether you're prepping for coding interviews or just want to level up your array manipulation skills, this tutorial has you covered.

💡 WHAT YOU'LL LEARN:
✅ How to navigate and process 2D arrays effectively
✅ Understanding hourglass patterns and their structure
✅ Two different solution approaches (basic and optimized)
✅ Nested loop implementation and logic
✅ Finding maximum values in array subsets
✅ Time and space complexity analysis

⏱️ CHAPTERS:
0:00 - Introduction & Channel Request
1:00 - Multiple Solution Approach
2:02 - Understanding Hourglasses
4:06 - HackerRank Setup & Function
6:13 - Solution 1: Basic Approach
8:15 - Implementing Nested Loops
10:20 - Building Hourglass Sum Logic
12:23 - Finding Maximum Sum
14:25 - Solution 2: Optimized Version
15:27 - Testing & Conclusion

🔗 PRACTICE THIS PROBLEM:
https://www.hackerrank.com/challenges...

📚 ADDITIONAL RESOURCES:
💻 More HackerRank solutions on my channel
🎯 Python array manipulation tutorials
📖 Data structures practice problems

💼 CONNECT WITH ME:
💼 LinkedIn:   / amircharkhi
📸 Instagram:   / ai.tech.institute
🌐 Website: https://www.aitechinstitute.com.au
🎁 Support:   / amircharkhi
💻 GitHub: https://github.com/wvlt

Found this helpful? Smash that 👍 button and subscribe for more DSA tutorials! Drop your questions in the comments below - I love helping fellow developers grow! 💪

#2DArray #HackerRank #Python #DataStructures #CodingInterview #Programming #DSA

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