LeetCode-Questions

1. Arrays
2. _**String
3. _**2Pointer
   1. Sort Colors
4. _**Prefix Sum
   1. Product of Array Except Self
5. _**Queue
6. _**Stack 1.
7. _**LinkedList
8. _**Binary Tree BFS DFS Lowest Common Ancestor of a Binary Tree
9. _**Graph
   1. Course Schedule ,Topological sort BFS
10. _**Binary Search
    1. Search in Rotated Sorted Array 3._**Recursion
    2. recursion basic
    3. recursion multi function call
    4. Print number of subsequence with sum K
    5. Print all Subsequence where sum =K
    6. Merge Sort
    7. Combination Sum
    8. Combination Sum 2
11. _**BackTracking
12. _**DP
13. _**DP -1D
14. _**DP-2D
    1. Partition Equal Subset Sum
15. _**DP on subsequence and subsets
16. _**DP on Stock 121. Best Time to Buy and Sell Stock
17. _**Bit Manipulation
18. _**Trie
19. _**Binary Search tree
20. _**Matrix
    1. Number of Islands
    2. Rotting Orange