Random algorithm problems

1. Anagram groups
2. Validate Binary Search Tree
3. Valid Anagram
4. Find two swapped elements in an almost sorted array
5. Convert a String into Integer
6. put ordered Array into binary search tree
7. Check Palindromic for linked list
8. Delete Columns to Make Sorted
9. Reorder Data in Log Files
10. Max Stock Gain
11. Three Sum Equals
12. Kth smallest number in an array
13. Letter Combinations of a Phone Number
14. Construct Binary Tree from Preorder and Inorder Traversal
15. BST Serialize and Deserialize
16. Moving Stones Until Consecutive II
17. Reverse an Integer
18. Minimum size subarray sum
19. Longest Substring Without Repeating Characters
20. Minimum Cost Tree From Leaf Values
21. Palindrom II
22. Find Maximum depth of BST
23. Best time to buy and sell stock II
24. Decode String
25. Kill Process
26. Find first and last position of num in an array
27. Generate Parentheses
28. Distance of Binary Search Tree nodes
29. Longest Turbulent Subarray
30. Construct Binary Tree from Postorder and Inorder Traversal
31. 0/1 binary tree
32. Length of increasing sequence
33. Number of Islands
34. Binary Tree Level Order Traversal
35. Largest Rectangle in Histogram
36. Minimum Window Substring II
37. N-Repeated Element in Size 2N Array
38. Combinations
39. Longest Palindromic Substring
40. Merge k Sorted Lists
41. Invert Binary Tree
42. Longest Substring with At Most K Distinct Characters
43. Root to Leaf Paths
44. Same Tree
45. Balance Parentheses in String
46. Validate brackets
47. Containers with most water
48. Implement square root
49. Best Time to Buy and Sell Stock
50. Binary Tree Maximum Path Sum
51. Gray Code Sequence
52. Regular Expression Matching
53. Min value in Stack
54. Power of 3
55. Hanoi Towers
56. Find the height of a tree
57. Sliding window maximum
58. Right shift array elements K positions
59. Zig Zag String
60. Gas Stations
61. Merge k sorted linked lists
62. Digits to Letters
63. Mark enclosed Regions
64. Minimum Remove to Make Valid Parentheses
65. Self-symmetric Binary Tree
66. remove values from the array
67. Letter Case Permutation
68. Permutations
69. Find value that is larger than medium in BST
70. BinaryTree Vertical Traversal
71. Peak Index in a Mountain Array
72. Sudoku Solver
73. Convert Binary Search Tree to Sorted Doubly Linked List
74. Integers that appeared odd number of times
75. Binary Tree inorder traversal
76. Replace words
77. Unique Binary Search Trees
78. Tile an area
79. Pascal's Triangle
80. K Equal Sum Subarrays
81. Binary Tree postorder traversal
82. Sliding Puzzle
83. Word's Parity
84. Island Perimeter
85. Longest Repeating String
86. N-Queens II
87. Binary Search Tree Iterator
88. Find tree path with sum equal to a number
89. Binary Tree Upside Down
90. Word Break
91. Zigzag Conversion
92. Implement Trie (Prefix Tree)
93. Covid-19 infected population
94. Serialize and Deserialize Binary Tree
95. Number permutations with restrictions
96. SubSets
97. String Compression
98. Maximum Subarray
99. Merge Two Binary Trees
100. Integer to English Words
101. Design Add and Search Words Data Structure
102. Binary Tree Preorder traversal
103. Recover Binary Search Tree
104. Range Sum of BST
105. Merge A List Of Sorted Arrays
106. Robot Room Cleaner
107. Sort an increasing decreasing array
108. Closest Binary Search Tree Value II
109. Longest Repeating Character Replacement
110. Max amount of gold
111. Merge Intervals
112. Add Two Numbers II
113. InterSection of Two Arrays II
114. Subarrays with K Different Integers
115. Valid Parentheses
116. Remove duplicate characters
117. Binary Tree Right Side View
118. Two Sum
119. Find Minimum in rotated sorted array
120. Longest Increasing Path in a Matrix
121. Meeting Rooms II
122. Product Of Array except Self
123. First Unique Character in a String
124. Decode Ways
125. Shortest subarray with sum larger than K
126. Copy List with Random Pointer
127. LRU Cache
128. Binary Add
129. Word Search
130. Search a 2D Matrix II
131. Trapping Rain Water
132. Subarray Sum Equals K
133. Number of submatrices that sum to target