Permutations in Telugu | Leetcode 46 | Iterative, Backtracking | DSA in Telugu | srkcodes
2Welcome to srkcodes — your daily destination for Telugu coding tutorials, DSA interview prep, and Python programming for job interviews. In this video, we solve Leetcode Q46: Permutations, one of the most asked problems in tech interviews.
🔍 What You'll Learn Today:
1️ ⃣ Generate all permutations using Array (Iterative) approach
2️ ⃣ Understand Backtracking with Recursion for permutation problems
3️ ⃣ Visualize how permutations are built step-by-step
4️ ⃣ Learn to switch between Iterative and Recursive mindsets
5️ ⃣ Solve interview-level problems with clear, beginner-friendly Python code in Telugu
This is a must-know problem in DSA — watch till the end for concept clarity and full code explanation.
💡 Key Takeaways:
Learn the difference between combinations and permutations
Build intuition for recursive trees in backtracking problems
Master loop-based array manipulation for interview confidence
Solve a Leetcode Medium problem with both brute-force and optimal approaches
💬 Extra Challenge for You: Can you solve Add Digits without using loops or recursion? Drop your solution in the comments!
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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the videhttps://leetcode.com/problems/permutations/description/muta...
📚 Topic's ⬇ ️
Backtrhttps://www.programiz.com/dsa/backtracking-algorithmacktra...
💡 LeetCode prohttps://leetcode.com/problem-list/backtracking/list/bac...