Sort an Array in Python using Heap | Leetcode 912 | Telugu DSA Tutorial | srkcodes

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Published on April 24, 2025 12:30:03 PM ● Video Link: https://www.youtube.com/watch?v=2b_wrbXHVRw

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Welcome to srkcodes! In this Day 108 Telugu coding tutorial, we solve Leetcode Question 912: Sort an Array, an essential DSA problem asked in coding interviews and tech assessments. We solve it using the Heap (Priority Queue) approach for optimal time and space complexity.

🔍 What You’ll Learn in This Video:
How to sort an array using Heap (Min-Heap) in Python
Achieving O(n log n) time without built-in sort functions
Why Priority Queues help in sorting with minimal extra space
Real interview tips and Python implementation from scratch
Problem breakdown, dry run, and complexity analysis

This problem is often asked by top companies like Amazon, Microsoft, and Google, making it a must-practice for your DSA prep and coding interviews.

💡 Key Takeaways:
Strong understanding of heap-based sorting algorithms
Clear implementation of priority queues using heapq in Python
Master time and space complexity optimization in sorting
Perfect problem to sharpen your Python for interviews and tech career prep
Learn problem-solving patterns used in real software development interviews

💬 Practice Challenge for Viewers:
Try solving the same problem using Merge Sort or Quick Sort manually in Python and share your solution in the comments!

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🔗 External Study Resources for Deep Dive:
📝 Problem discussed in the video ➡ ️https://leetcode.com/problems/sort-an-array/description/..

📚 Topic's ⬇ ️
Heaphttps://www.geeksforgeeks.org/heap-data-structure/a...

💡 LeetCode problemshttps://leetcode.com/problem-list/heap-priority-queue/hea...