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DSA-with-LeetCode

★ 43 Open GitHub ↗

A collection of Data Structures and Algorithms solutions in Python, practiced through LeetCode problems. Focused on building strong problem-solving skills for coding interviews.

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# 🧠 LeetCode DSA Practice – Zero to Hero (Z2H) Journey 2025-2026

Welcome to my **Zero to Hero (Z2H) Data Structures and Algorithms** journey!

This repository documents my **LeetCode problem-solving practice**, structured by difficulty and core DSA topics.  
My goal is to master problem-solving and build a strong foundation for **Machine Learning, AI, and Deep Learning**.

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## 📘 Repository Overview

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## 🧩 DSA Topics Covered (Z2H Series)

| No. | Topic | Description | Status |
|-----|--------|--------------|--------|
| 1 | Basics of Programming | Variables, loops, conditionals, I/O | ✅ |
| 2 | Sorting Algorithms | Bubble, Merge, Quick, Heap Sort | ✅ |
| 3 | Array/List Problems | Searching, rearranging, subarrays | ✅ |
| 4 | Binary Search | Divide-and-conquer search algorithms | ✅ |
| 5 | Linked List (Single & Double) | Traversal, insertion, deletion | ✅ |
| 6 | Bit Manipulation | Bitwise operations, masks, toggling bits | ✅ |
| 7 | Advanced Recursion | Backtracking, N-Queens, subsets, permutations | ✅ |
| 8 | Stacks and Queues | Stack-based logic, queue management | ✅ |
| 9 | Sliding Window & Two Pointers | Optimization techniques for arrays | ✅ |
| 10 | Greedy Algorithms | Interval scheduling, coin change, Huffman | ✅ |
| 11 | Binary Trees | Traversals, height, diameter, paths | ✅ |
| 12 | Binary Search Trees | Insertion, deletion, balancing | ✅ |
| 13 | Heaps | Priority queues, heap sort, kth largest | ✅ |
| 14 | Graphs | BFS, DFS, Dijkstra, Union-Find | ✅ |
| 15 | Dynamic Programming | Tabulation, memoization, optimization | ✅ |
| 16 | Strings | Palindromes, substrings, pattern matching | ✅ |

> 🧭 **Z2H (Zero to Hero)** means mastering each topic from basics → intermediate → advanced → LeetCode problems

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## 🎯 Goal

- Strengthen Python problem-solving for **Machine Learning and AI**  
- Master all core **Data Structures and Algorithms**  
- Build logic for **competitive programming and interview preparation**  
- Connect DSA concepts with **real-world AI and ML applications**

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## 🧰 Tools & Technologies

- **Language:** Python 🐍  
- **Platform:** LeetCode  
- **Editor:** VS Code  
- **Version Control:** Git & GitHub

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## 🔗 Connect With Me

🌐 **GitHub:** [github.com/mirzayasirabdullahbaig07](https://github.com/mirzayasirabdullahbaig07)  
👨‍💼 **LinkedIn:** [linkedin.com/in/mirza-yasir-abdullah-baig](https://www.linkedin.com/in/mirza-yasir-abdullah-baig/)  
🏆 **Kaggle:** [kaggle.com/mirzayasirabdullah07](https://www.kaggle.com/mirzayasirabdullah07)  
💻 **LeetCode:** [leetcode.com/u/mirzayasirabdullahbaig](https://leetcode.com/u/mirzayasirabdullahbaig/)

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## 💬 About Me

I’m **Mirza Yasir Abdullah Baig**, a passionate **Machine Learning and AI Enthusiast** from **Pakistan 🇵🇰**, currently focused on improving my **DSA skills**, **problem-solving abilities**, and **algorithmic understanding** through consistent LeetCode practice.

This repository reflects my commitment to becoming a **skilled Machine Learning Engineer** capable of solving real-world problems using AI, logic, and data.

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⭐ **If you find this repository useful, don’t forget to star it and follow my journey!**

DSA-with-LeetCode

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