Contains Duplicate II | Telugu Coding Tutorial | Brute Force, Hash Table & Sliding Window | srkcodes
4Welcome to srkcodes, your go-to platform for Telugu coding tutorials, Leetcode solutions, and Python programming for interviews! Today, we’ll solve Leetcode Question #219: Contains Duplicate II, an essential problem for DSA preparation and coding interviews.
🔍 What You’ll Learn:
1️ ⃣ Brute Force Approach: Using nested loops to check all possible index pairs.
2️ ⃣ Optimized Hash Table Approach: Utilizing Python dictionaries to store indices and efficiently check for duplicates.
3️ ⃣ Sliding Window Technique: Implementing an optimal solution using a set-based sliding window for better time complexity.
This problem is crucial for DSA interview questions as it covers concepts like arrays, hash maps, and sliding window techniques. Whether you’re preparing for coding interviews or looking to strengthen your Python programming for interviews, this video will guide you step by step in Telugu.
👨 💻 Why Watch This Video?
Learn Python programming for interviews and master Leetcode solutions with clarity.
Understand hash table optimizations and sliding window techniques for DSA interview questions.
Enhance your coding interview preparation with real-world problem-solving techniques.
💡 Key Takeaways:
Understand time complexity and space complexity for different approaches.
Learn how hash maps can optimize brute force solutions.
Apply sliding window techniques for efficient Python problem-solving.
💬 Have a different approach or any questions? Comment below, and let’s discuss!
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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video https://leetcode.com/problems/contains-duplicate-ii/description/in...
📚 Topic's ⬇ ️
1)hashhttps://www.geeksforgeeks.org/hashing-data-structure/hing...
2)hashtabhttps://www.w3schools.com/dsa/dsa_theory_hashtables.php_the...
3)hashmhttps://www.geeksforgeeks.org/hash-map-in-python/h-ma...
💡 LeetCode - Hash Table Probhttps://leetcode.com/problem-list/hash-table/st/has...
💡 LeetCode - Hash Function Prhttps://leetcode.com/problem-list/hash-function/list/has...