Leetcode 560: Subarray Sum Equals K in Telugu | bruteforce, prefixsum | Python DSA | srkcodes

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Published on July 17, 2025 12:30:58 PM ● Video Link: https://www.youtube.com/watch?v=iqx-Y-wYAtI

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Welcome to srkcodes, your go-to place for Telugu coding tutorials, Leetcode solutions, and Python programming for interviews! In this video, we solve Leetcode Problem #560: Subarray Sum Equals K, one of the most important DSA interview questions.

🔍 3 Approaches Explained in Telugu:
1️ ⃣ Brute Force (O(n²)) – Step-by-step check of all subarrays.
2️ ⃣ Prefix Sum (O(n²)) – Using prefix sums to reduce inner loop calculations.
3️ ⃣ Optimal Using Hash Table + Prefix Sum (O(n)) – Highly efficient method for large inputs using hashing.

This video is perfect for anyone doing DSA preparation, aiming to ace coding interviews, or sharpening their Python programming for job interviews. Learn to break down problems, analyze time complexities, and write optimal solutions — all in simple Telugu explanations.

💡 Key Benefits:
Triple exposure to real-world Leetcode solutions in Python.
Understand and apply prefix sum techniques and hash maps in DSA.
Prepare confidently for tech career prep and Python coding interviews.

💬 Drop your approach or doubts in the comments — we grow together!🔔 Like, Share & Subscribe to srkcodes for daily Telugu DSA tutorials, interview preparation, and problem-solving content.

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡https://leetcode.com/problems/subarray-sum-equals-k/a...

📚 Topic's ⬇ ️https://www.geeksforgeeks.org/dsa/prefix-sum-array-implementation-applications-competitive-programming/pre.https://algo.monster/problems/subarray_sumrra...

💡 LeetCode problehttps://leetcode.com/problem-list/prefix-sum/t/pre...