🚀 DSA Topics Every Programmer Should Know 💻🔥

📦 1. Arrays

✔ Traversal

✔ Searching

✔ Sorting

✔ Prefix Sum

✔ Two Pointers

🔤 2. Strings

✔ Character Frequency

✔ Palindromes

✔ Anagrams

✔ String Manipulation

🔗 3. Linked Lists

✔ Singly Linked List

✔ Doubly Linked List

✔ Reverse a Linked List

✔ Fast & Slow Pointers

📚 4. Stacks & Queues

✔ Stack Operations

✔ Queue Operations

✔ Monotonic Stack

✔ Circular Queue

🔑 5. Hashing

✔ HashMap

✔ HashSet

✔ Frequency Counting

✔ Duplicate Detection

🌳 6. Trees

✔ Binary Trees

✔ BST

✔ Tree Traversals

✔ Height & Depth

✔ Lowest Common Ancestor

🌐 7. Graphs

✔ BFS

✔ DFS

✔ Shortest Path

✔ Connected Components

✔ Topological Sorting

🔎 8. Searching & Sorting

✔ Binary Search

✔ Merge Sort

✔ Quick Sort

✔ Heap Sort

🧩 9. Recursion & Backtracking

✔ Recursion Basics

✔ Subsets

✔ Permutations

✔ Combination Problems

✔ N-Queens

⚡ 10. Dynamic Programming

✔ Memoization

✔ Tabulation

✔ 1D & 2D DP

✔ Knapsack Problems

✔ Longest Common Subsequence

⏱️ BONUS: Complexity Analysis

✔ Big-O Notation

✔ Time Complexity

✔ Space Complexity

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