Index Of Subarray Sum || GFG || DSA || HASHING || JAVA || TAMIL

🌟 Index of Subarray with Given Sum | Problem Solved in Java | GeeksforGeeks 🌟
In this video, we solve the Index of Subarray with Given Sum problem from GeeksforGeeks using Java. The task is to find the starting and ending indices of a subarray whose sum equals a given value. We will walk through the approach, discuss the efficient solution, and provide a step-by-step Java code explanation.
🚀 What you'll learn:
Problem breakdown and understanding the subarray sum concept.
Optimized solution using HashMap for efficient sum calculation.
Step-by-step Java code walkthrough with detailed explanation.
Performance optimization techniques for faster execution.
👨‍💻 Why this video matters: The Index of Subarray with Given Sum problem is important for understanding how to find subarrays within an array that meet specific conditions. Using HashMap to track cumulative sums helps reduce the time complexity, making the solution efficient for larger arrays.
📌 Topics covered:
Explanation of the Index of Subarray with Given Sum problem.
Approach 1: Using HashMap to track cumulative sums and find the subarray indices.
Java code walkthrough with clear explanations.
Performance optimization and handling edge cases.
🎯 Perfect for:
Java programmers preparing for coding interviews.
Developers looking to master HashMap and subarray sum problems.
Anyone aiming to improve their problem-solving skills with array-related challenges.
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💬 Have questions? Drop them in the comments, and I’ll help you out! 🚀