Leet Code

Solved questions from leet code. You can view my leet code profile by clicking here (jainayu).

Table of Content

Easy

1. Invert Binary Tree
2. Delete Node in a Linked List
3. Reverse String
4. Power of Two
5. Is Subsequence
6. Search Insert Position
7. Search in a Binary Search Tree
8. Validate IP Address
9. Arranging Coins
10. Binary Tree Level Order Traversal II
11. Hamming Distance
12. Plus One
13. Island Perimeter
14. Reverse Bits
15. Same Tree

Medium

1. Two City Scheduling
2. Random Pick with Weight
3. Queue Reconstruction by Height
4. Coin Change 2
5. Sort Colors
6. Insert Delete Get Random O(1)
7. Largest Divisible Subset
8. Cheapest Flights Within K Stops
9. Surrounded Regions
10. H-Index II
11. Prison Cells After N Days
12. Ugly Number II
13. 3 Sum
14. Maximum Width of Binary Tree
15. Flattena Multilevel Doubly Linked List
16. Subsets
17. Reverse Words in a String
18. Pow(x, n)
19. Top K Frequent Elements
20. Course Schedule II

Hard

1. Longest Duplicate Substring
2. Permutation Sequence
3. Dungeon Game