Prefix Sum Explained in Telugu | Use Cases, Time & Space Complexity, Tips & Tricks | srkcodes

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Published on July 13, 2025 12:30:15 PM ● Video Link: https://www.youtube.com/watch?v=Dtp2uYZXTYE

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Welcome to srkcodes, your trusted source for Telugu coding tutorials, Python programming for interviews, and DSA preparation. In this video, we explain the Prefix Sum concept in detail, one of the most powerful techniques in DSA and coding interviews.

🔍 In This Video, You’ll Learn:
What is a Prefix Sum?
When to Use Prefix Sum – Real use cases in coding interviews.
Key Terminologies in Prefix Sum – Prefix array, cumulative sum, range queries.
Time and Space Complexity – Analyze the performance benefits of prefix sum.
Advantages and Disadvantages – Know when to apply and when to avoid it.

Whether you're just starting your journey in Python programming for interviews or actively working on your DSA preparation, mastering Prefix Sum is essential.
It helps you optimize brute force logic and crack interview-level problems in seconds.

💼 Why This Video Is Must-Watch:
Build strong fundamentals in DSA interview questions through real-world examples.
Learn Prefix Sum from the ground up, explained in clear Telugu with beginner-friendly visuals.
Upgrade your problem-solving skills for tech career prep and job interviews.
Understand where Prefix Sum fits in the world of Leetcode solutions and advanced algorithms.

💬 Have doubts or examples to share? Comment below and join the community discussion!
🔔 Don’t forget to like, share, and subscribe to srkcodes for more daily coding tutorials in Telugu focused on DSA, Python, and interview prep.

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ ️ -----

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

💡 LeetCode problems https://leetcode.com/problem-list/prefix-sum/re...