Leetcode 42: Trapping Rain Water in Telugu | Brute Force & Two Pointer | Python DSA | srkcodes

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Published on October 13, 2025 12:31:02 PM ● Video Link: https://www.youtube.com/watch?v=iKmXUHhXcVs

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Welcome to srkcodes! In this Telugu coding tutorial, we solve Leetcode Question #42: Trapping Rain Water — one of the most popular and tricky DSA problems for coding interviews.

💧 What you’ll learn in this video:
1️ ⃣ Brute Force Approach: Understand how to calculate trapped water step by step using basic iteration.
2️ ⃣ Two Pointer Technique: Efficient and optimized method with linear time complexity for real interview scenarios.

👨 ‍💻 Whether you’re a beginner or preparing for MNC-level coding interviews, this video in Telugu explains both methods clearly with dry run and visualization. You’ll master the concept of prefix, suffix, and pointer manipulation in Python.

💡 Key Takeaways:
Learn how to approach complex array problems with confidence.
Understand optimal space and time trade-offs.
Strengthen your Python DSA and problem-solving mindset.

💬 Drop your solutions or questions in the comments — let’s grow together as a Telugu coding community!
👍 Like, share, and subscribe to srkcodes for daily DSA problems and Python tutorials in Telugu.

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#srkcodes #Day286 #TrappingRainWater #LeetcodeQ42 #PythonInTelugu #CodingInTelugu #DSAInterviewPrep #PythonTutorialsTelugu #CodingForBeginners #LeetcodeSolutions

🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ https://leetcode.com/problems/trapping-rain-water/description...

Blind 75 ➡https://leetcode.com/problem-list/nbdwjy25/bd...
Neetcode 15https://leetcode.com/problem-list/elqgulmd//elq...