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Master DSA 🚀 DSA MASTER TREE │ ├── 1. Foundations │ ├── What is Data Structure │ ├── What is Algorithm │ ├── Time Complexity │ │ ├── Big-O │ │ ├── Big-Ω │ │ └── Big-Θ │ ├── Space Complexity │ └── Recurrence Relations │ ├── 2. Mathematical Basics │ ├── Logarithms │ ├── Modular Arithmetic │ ├── Prime Numbers │ ├── GCD / LCM │ └── Sieve of Eratosthenes │ ├── 3. Arrays │ ├── Traversal │ ├── Searching │ │ ├── Linear Search │ │ └── Binary Search │ ├── Prefix Sum │ ├── Sliding Window │ ├── Two Pointers │ ├── Kadane’s Algorithm │ └── Matrix / 2D Arrays │ ├── 4. Strings │ ├── String Manipulation │ ├── Pattern Matching │ │ ├── Naive │ │ ├── KMP │ │ ├── Rabin-Karp │ │ └── Z Algorithm │ ├── Palindrome Problems │ ├── String Hashing │ └── Trie │ ├── 5. Linked Lists │ ├── Singly Linked List │ ├── Doubly Linked List │ ├── Circular Linked List │ ├── Reverse Linked List │ ├── Cycle Detection (Floyd) │ └── Merge Lists │ ├── 6. Stack │ ├── Stack Implementation │ ├── Balanced Parentheses │ ├── Next Greater Element │ ├── Monotonic Stack │ └── Min Stack │ ├── 7. Queue │ ├── Queue Implementation │ ├── Circular Queue │ ├── Deque │ ├── Priority Queue │ └── Monotonic Queue │ ├── 8. Hashing │ ├── Hash Tables │ ├── Collision Handling │ │ ├── Chaining │ │ └── Open Addressing │ ├── Load Factor │ └── Rehashing │ ├── 9. Trees │ ├── Binary Tree │ │ ├── Traversals │ │ │ ├── Inorder │ │ │ ├── Preorder │ │ │ └── Postorder │ │ ├── Height / Depth │ │ └── Diameter │ ├── Binary Search Tree │ ├── AVL Tree │ ├── Red-Black Tree │ ├── Segment Tree │ ├── Fenwick Tree │ └── Heap │ ├── Min Heap │ └── Max Heap │ ├── 10. Graphs │ ├── Graph Representation │ │ ├── Adjacency Matrix │ │ └── Adjacency List │ ├── BFS │ ├── DFS │ ├── Topological Sort │ ├── Cycle Detection │ ├── Shortest Path │ │ ├── Dijkstra │ │ ├── Bellman-Ford │ │ └── Floyd-Warshall │ ├── Minimum Spanning Tree │ │ ├── Kruskal │ │ └── Prim │ └── Disjoint Set (Union-Find) │ ├── 11. Recursion & Backtracking │ ├── Recursion Basics │ ├── Subsets │ ├── Permutations │ ├── N-Queens │ └── Sudoku Solver │ ├── 12. Greedy Algorithms │ ├── Activity Selection │ ├── Huffman Coding │ ├── Fractional Knapsack │ └── Job Scheduling │ ├── 13. Dynamic Programming │ ├── Memoization │ ├── Tabulation │ ├── 1D DP │ ├── 2D DP │ ├── Knapsack Variants │ ├── Longest Common Subsequence │ ├── Longest Increasing Subsequence │ └── Matrix Chain Multiplication │ ├── 14. Bit Manipulation │ ├── Bitwise Operators │ ├── Set / Clear Bits │ ├── Count Set Bits │ └── XOR Tricks │ ├── 15. Advanced DSA │ ├── Sparse Table │ ├── Heavy-Light Decomposition │ ├── Treap │ ├── Splay Tree │ └── Skip List │ └── 16. Interview Patterns ├── Two Pointer Pattern ├── Sliding Window Pattern ├── Binary Search Pattern ├── BFS / DFS Pattern ├── Greedy Choice Pattern └── DP Pattern Recognition