Longest Palindrome Telugu | Greedy, Optimal Approaches | Leetcode 409 | Python DSA | srkcodes
13Welcome to srkcodes! On Day 122 of #365DaysOfCode, we solve Leetcode 409: Longest Palindrome in Telugu, using Hash Table + Greedy and Set-based Greedy strategies. This is a must-know DSA problem for mastering string logic and Python programming for interviews.
🔍 What You’ll Learn:
🔹 How to use a Hash Table to count characters efficiently
🔹 Greedy logic to form the longest possible palindrome
🔹 Optimized approach using Set for parity checks
🔹 Real-world use cases for string manipulation in DSA
🔹 Time and space complexities breakdown for both solutions
This problem appears frequently in tech interviews and helps build problem-solving skills for real coding challenges.
💡 Key Takeaways:
Understand palindrome formation logic using character frequency
Learn greedy thinking for optimizing string-based problems
Strengthen your DSA foundation for interviews
Practice Python coding with a step-by-step approach in Telugu
Know when and how to use sets vs hash maps
💬 Challenge for Viewers:
Try solving the same problem with lowercase-only strings. Can you simplify your logic? Share your answers in the comments! 👇
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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡https://leetcode.com/problems/longest-palindrome/description/t...
📚 Topic's ⬇ ️
Greedy Algorithhttps://www.geeksforgeeks.org/greedy-algorithms/dy-...
💡 LeetCode problehttps://leetcode.com/discuss/post/669996/greedy-for-beginners-problems-sample-sol-rf7c/thttps://leetcode.com/problem-list/greedy/t/gre...