Leetcode December Challenge List

1. Maximum Depth of Binary Tree
2. Linked List Random Node
3. Increasing Order Search Tree
4. The kth Factor of n
5. Can Place Flowers
6. Populating Next Right Pointers in Each Node II
7. Spiral Matrix II
8. Pairs of Songs With Total Durations Divisible by 60
9. Binary Search Tree Iterator
10. Valid Mountain Array
11. Remove Duplicates from Sorted Array II
12. Smallest Subtree with all the Deepest Nodes
13. Burst Balloons
14. Palindrome Partitioning
15. Squares of a Sorted Array
16. Validate Binary Search Tree
17. 4Sum II
18. Increasing Triplet Subsequence
19. Cherry Pickup II
20. Decoded String at Index
21. Smallest Range II
22. Balanced Binary Tree
23. Next Greater Element III
24. Swap Nodes in Pairs
25. Diagonal Traverse
26. Decode Ways
27. Jump Game IV
28. Reach a Number
29. Pseudo-Palindromic Paths in a Binary Tree
30. Game of Life
31. Largest Rectangle in Histogram