Topics Covered:

Data Structures:

1. Arrays

2. String

3. Linked List

4. Stack

5. Queue

6. Heap

7. Hashing

8. Binary Tree

9. BST

10. Graph

11. Trie

12. Greedy

13. DP

14. Recursion

Algorithms:

1. Analysis of Algorithms

2. Searching Algorithms

3. Sorting Algorithms

4. Greedy Algorithms

5. Dynamic Programming

6. Pattern Searching

7. Backtracking

8. Divide and Conquer

9. Geometric Algorithms

10. Mathematical Algorithms

11. Bit Algorithms

12. Graph Algorithms

13. Randomized Algorithms

14. Branch and Bound

Patterns:

1. Two Pointers

2. Fast & Slow Pointers

3. Island & Matrix traversal

4. Sliding Window

5. Merge Intervals

6. Cyclic Sort

7. Bitwise XOR

8. Two Heaps

9. In-place reversal of LinkedList

10. Breadth First Search

11. Depth First Search

12. Subsets

13. Modified Binary Search

14. Backtracking

15. Top 'K' elements

16. K-way merge

17. Topological Sort

18. 0/1 Knapsack

19. Dynamic Programming

20. Multi-threading

21. Synchronization