Leetcode 424: Longest Repeating Character Replacement in Telugu | Sliding Window | SRKCodes

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Published on September 26, 2025 12:30:37 PM ● Video Link: https://www.youtube.com/watch?v=OGtPg484YwQ

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Welcome to srkcodes! In this Telugu coding tutorial, we solve Leetcode Question #424: Longest Repeating Character Replacement, a must-practice sliding window problem for coding interviews and DSA preparation.

🔥 What’s inside this video?
1️ ⃣ Sliding Window Technique: Step-by-step explanation with detailed reasoning.
2️ ⃣ Frequency Map Optimization: Efficient handling of character counts to maximize substring length.

👨 ‍💻 Whether you’re a beginner coding in Telugu or preparing for advanced interview problems, this video provides crystal-clear Python explanations that make problem-solving simple and effective. You’ll strengthen your understanding of the sliding window technique while improving your confidence for interviews.

💡 Key Benefits of Watching:
Learn how to apply sliding window in real interview questions.
Master frequency map usage for substring problems.
Understand time complexity and why this solution is optimal.

💬 Have doubts? Drop your questions in the comments – let’s grow together!
👍 Like, share, and subscribe to srkcodes for daily Telugu coding tutorials and DSA interview prep.

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ https://leetcode.com/problems/longest-repeating-character-replacement...

📚 Topic's ⬇ ️ https://www.designgurus.io/blind75ind7https://neetcode.io/practice?tab=blind75ind75

❗ Blind 75
💡 LeetCode problehttps://leetcode.com/problem-list/oizxjoit/t/oiz...

My https://leetcode.com/problem-list/nbdwjy25/t/nbd...