Leetcode 326: Power of Three in Telugu | Bruteforce, Modular Exponentiation | Python DSA | srkcodes

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Published on July 30, 2025 12:30:54 PM ● Video Link: https://www.youtube.com/watch?v=fYKXfcPCLz4

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Welcome to srkcodes – your trusted channel for Telugu coding tutorials, Leetcode solutions, and Python programming for interviews. In today’s tutorial, we solve Leetcode Question #326: Power of Three using two methods:

🔍 What You'll Learn Today:
1️ ⃣ Brute Force (Log n): Solve using a simple while loop and math logic in Python.
2️ ⃣ Modular Exponentiation (O(1)): Learn how to use power patterns and 3**19 for a constant-time check.

This is a frequently asked DSA interview question that tests your understanding of mathematical patterns, modular arithmetic, and efficient coding techniques. Perfect for anyone doing Python programming for interviews or DSA preparation in Telugu.

👨 ‍💻 Why This Video Is a Must-Watch:
Master modular exponentiation and its role in algorithm problem solving.
Learn both bruteforce logic and optimal O(1) solutions for deeper conceptual clarity.
Boost your confidence in DSA preparation, especially for product-based company interviews.
Practice Leetcode solutions explained in Telugu, ideal for regional learners.

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ https://leetcode.com/problems/power-of-three/description/...

📚 Topic's ⬇ ️ https://www.geeksforgeeks.org/engineering-mathematics/modular-arithmetic/ee..https://www.geeksforgeeks.org/dsa/euclidean-algorithms-basic-and-extended/uc..https://www.geeksforgeeks.org/dsa/fermats-little-theorem/er...

💡 LeetCode problems ➡ ️ -----