First Unique Character in a String | Leetcode 387 | Python Solution in Telugu | srkcodes
2Welcome to srkcodes, your trusted source for Telugu coding tutorials, Leetcode solutions, and Python programming for interviews. In this video, we’ll solve Leetcode Question #387: First Unique Character in a String, an important problem for improving your DSA preparation and string manipulation skills.
🔍 What Will You Learn?
1️ ⃣ Understanding the Problem: Learn how to identify the first non-repeating character in a string and return its index.
2️ ⃣ Python Implementation: Step-by-step explanation of a simple yet effective solution using:
✅ Hashmap for character frequency counting
✅ Queue for tracking character order
3️ ⃣ Edge Cases Covered: Learn how to handle strings with no unique characters effectively.
This video is perfect for anyone preparing for coding interviews or aiming to strengthen their understanding of Python programming for interviews.
👨 💻 Why Watch This Video?
Master the logic behind identifying the first unique character using efficient coding techniques.
Improve your DSA preparation with practical Python programming for interviews.
Learn key concepts like hashmaps, queues, and string traversal — all essential for coding interviews.
💡 Key Takeaways:
Understand the optimal approach using O(n) time complexity for efficient problem-solving.
Gain confidence in solving string manipulation problems in Python.
Prepare for DSA interview questions with clear explanations in Telugu.
💬 Got questions or alternative approaches? Share your thoughts in the comments, and let’s learn together!
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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the videhttps://leetcode.com/problems/first-unique-character-in-a-string/st-u...
📚 Topic's ⬇ ️ https://www.geeksforgeeks.org/queue-data-structure/ueue-d...
💡 LeetCode prohttps://leetcode.com/problem-list/queue/list/queue/