Update README.md

sumanas27 · web-flow · commit 9a47e6145a99 · 2025-07-06T22:54:25.000+02:00
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-# kotlin-playground
-Stores all data structure and algorithmic problem and solutions
+# Kotlin Data Structure & Algorithm
+## 🚀 Overview
+This project is a curated and growing set of data structure and algorithm problems implemented in Kotlin.
+
+✅ Clean & idiomatic Kotlin solutions
+
+🧠 Problem-solving strategies explained inline
+
+📦 Structured for real-world interview prep (FAANG, Delivery Hero, Zalando, etc.)
+
+🔁 Patterns include arrays, trees, recursion, graphs, DP, and more
+
+## 🔧 How to Run
+🖥️ Requirements
+Kotlin 1.8+
+IntelliJ IDEA or any Kotlin-friendly IDE
+JDK 17+
+
+## Run a Solution
+Example using Kotlin CLI
+kotlinc arrays/TwoSum.kt -include-runtime -d out.jar
+java -jar out.jar
+You can also run each file inside IntelliJ using the green ▶️ run button
+
+## Topics Covered
+- Arrays & HashMaps
+- Strings & Parsing
+- Linked Lists
+- Trees & Recursion
+- Dynamic Programming
+- Sliding Window
+- Graph Traversal (DFS/BFS)
+- Backtracking
+- Sorting & Searching
+
+## 🙌 Contributing
+Pull requests are welcome! Feel free to open an issue for:
+- Bugs
+- Suggestions
+- Additional problems or optimization strategies
