Leetcode 303: Range Sum Query - Immutable in Telugu | Bruteforce, Prefix Sum | Python DSA | srkcodes

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Published on July 16, 2025 12:30:18 PM ● Video Link: https://www.youtube.com/watch?v=9TJ9IuMqQu8

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Welcome to srkcodes, your go-to source for Telugu coding tutorials, Leetcode solutions, and Python programming for interviews.

In this tutorial, we solve Leetcode Problem #303: Range Sum Query - Immutable using two efficient approaches. This is a frequently asked DSA interview question and a great way to understand prefix sum technique.

🔍 What You’ll Learn Today:
1️ ⃣ Brute Force Method: Step-by-step approach to summing elements using loops.
2️ ⃣ Optimal Prefix Sum Method: Precompute sums for constant time queries – a powerful DSA technique!

This video is ideal for anyone doing DSA preparation, practicing Python programming for interviews, or looking to improve their coding interview skills. Whether you’re new to DSA or already preparing for tech interviews, you’ll find this problem breakdown helpful and beginner-friendly – explained completely in Telugu.

💼 Why Watch This Video?
Gain hands-on practice with Leetcode solutions that are commonly asked in interviews.
Strengthen your understanding of prefix sum, a key part of DSA preparation.
Learn both brute force and optimal ways in Python programming for interviews.
Ideal for tech career prep, job seekers, and students cracking interviews.

💬 Got questions? Drop them in the comments – let’s solve and grow together!🔔 Don’t forget to like, share, and subscribe to srkcodes for daily Telugu coding tutorials, job prep content, and DSA interview questions in Python.

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ https://leetcode.com/problems/range-sum-query-immutable/...

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

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