P010202T

What is DSA? DSA is the foundation of efficient programming. It involves: - **Data Structures:** Organizing and storing data (Arrays, Linked Lists, Trees, Graphs, etc.). - **Algorithms:** Step-by-step methods to solve problems (Sorting, Searching, Dynamic Programming, etc.). ** Key Topics:** 1. **Arrays & Strings:** Basics, Two-Pointer, Sliding Window. 2. **Linked Lists:** Singly/Doubly, Fast-Slow Pointer. 3. **Trees & Graphs:** Binary Trees, BST, BFS/DFS, Dijkstra’s. 4. **Dynamic Programming:** Memoization, Tabulation (Knapsack, LCS). 5. **Recursion & Backtracking:** Divide-and-Conquer, Permutations. ** Why Learn DSA?** - **Crack coding interviews** (FAANG, startups). - **Write optimized code** (faster, scalable). - **Solve real-world problems** efficiently. ** Pro Tip:** Practice daily on **LeetCode**, **Codeforces**!