🧠 LeetCode 1991 - Find the Middle Index 💡 | Best Prefix Sum Solution 🔥 | Java Tutorial

Описание: 📌 LeetCode Problem 1991 - Find the Middle Index in Array
This video dives into an elegant solution to LeetCode 1991 using the prefix sum approach — simple, clean, and highly efficient.

You’ll learn:

✅ Problem explanation & constraints

⚡ Optimal O(n) prefix sum logic

👨‍💻 Step-by-step Java implementation

🧩 Comparison with Pivot Index (LeetCode 724)

📈 Whether you’re prepping for a tech interview, improving your DSA skills, or mastering array techniques, this is a must-watch.

📚 Ideal for: FAANG aspirants, Java devs, DSA beginners & pros.

👍 Like, 💬 comment your approach, and 🔔 subscribe for more structured problem breakdowns!
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