DSA Practice Questions with Solutions

Welcome to the DSA Practice Questions with Solutions repository! This repository contains a collection of Data Structures and Algorithms (DSA) problems along with well-structured solutions in multiple programming languages. It is designed to help students and professionals prepare for coding interviews, competitive programming, and technical assessments.

📌 Features

📝 Comprehensive Solutions: Each problem includes a detailed explanation and optimized solution.

🏆 Covers Key DSA Topics: Arrays, Linked Lists, Stacks, Queues, Trees, Graphs, Sorting, Searching, Recursion, Dynamic Programming, and more.

🚀 Optimized Code: Solutions focus on efficiency and best practices.

🎯 Difficulty Levels: Problems categorized into Easy, Medium, and Hard.

🌍 Language Support: Solutions provided in C++ and Python.

📂 Folder Structure

DSA-Practice-Questions/ │── Arrays/ │── LinkedLists/ │── Stacks/ │── Queues/ │── Trees/ │── Graphs/ │── Recursion/ │── DynamicProgramming/ │── SortingSearching/ │── Miscellaneous/ │── README.md

🔥 Topics Covered

✅ Arrays – Sliding Window, Two Pointers, Sorting, Searching, Kadane’s Algorithm, etc. ✅ Linked Lists – Reversal, Cycle Detection, Merge, Partitioning, etc. ✅ Stacks & Queues – Next Greater Element, Balanced Parentheses, etc. ✅ Trees – Traversals, BST, AVL, Heap, Segment Tree, etc. ✅ Graphs – BFS, DFS, Dijkstra, Floyd-Warshall, Topological Sorting, etc. ✅ Recursion & Backtracking – Subsets, Permutations, N-Queens, etc. ✅ Dynamic Programming – Fibonacci, Knapsack, LIS, Matrix Chain Multiplication, etc. ✅ Sorting & Searching – QuickSort, MergeSort, Binary Search Variations, etc.

💡 How to Contribute

We welcome contributions! Follow these steps to contribute:

Fork the repository.

Clone your forked repository:

git clone https://github.com/Sahil-113/DSA-Practice-Questions.git

Create a new branch:

git checkout -b feature-branch

Add your solution in the respective folder.

Commit and push:

git add . git commit -m "Added solution for XYZ problem" git push origin feature-branch

Submit a Pull Request (PR) and wait for review.

📌 Prerequisites

To run the solutions, you need:

Python (>=3.7)

GCC for C++

Java JDK (>=8)

📜 License

This project is licensed under the MIT License – feel free to use, modify, and share!

🌟 Show Your Support

If you find this helpful, ⭐ star this repository to keep it growing!

Happy Coding! 🚀