go grind75 golang solutions to grind75 (ex-blind75) list of leetcode problems # problem solution status 1. Two Sum two-sum.go ✅ 2. Valid Parentheses valid-parentheses.go ✅ 3. Merge Two Sorted Lists merge-two-sorted-lists.go ✅ 4. Best Time to Buy and Sell Stock best-time-to-buy-and-sell-stock.go ✅ 5. Valid Palindrome valid-palindrome.go ✅ 6. Invert Binary Tree 7. Valid Anagram valid-anagram.go ✅ 8. Binary Search binary-search.go ✅ 9. Flood Fill 10. Maximum Subarray maximum-subarray.go ✅ 11. Lowest Common Ancestor of a Binary Search Tree 12. Insert Interval 13. 01 Matrix 14. K Closest Points to Origin 15. Balanced Binary Tree balanced-binary-tree.go ✅ 16. Linked List Cycle linked-list-cycle.go ✅ 17. Implement Queue using Stacks 18. First Bad Version first-bad-version.go ✅ 19. Ransom Note ransom-note.go ✅ 20. Longest Substring Without Repeating Characters 21. 3Sum 22. Binary Tree Level Order Traversal 23. Clone Graph 24. Evaluate Reverse Polish Notation evaluate-reverse-polish-notation.go ✅ 25. Course Schedule 26. Implement Trie (Prefix Tree) 27. Coin Change coin-change.go ✅ 28. Product of Array Except Self product-of-array-except-self.go ✅ 29. Climbing Stairs climbing-stairs.go, climbing-stairs-recursive.go ✅ 30. Longest Palindrome longest-palindrome.go ✅ 31. Min Stack 32. Reverse Linked List reverse-linked-list.go ✅ 33. Validate Binary Search Tree 34. Number of Islands 35. Rotting Oranges 36. Search in Rotated Sorted Array search-in-rotated-sorted-array.go ✅ 37. Combination Sum 38. Permutations 39. Merge Intervals 40. Lowest Common Ancestor of a Binary Tree 41. Time Based Key-Value Store 42. Minimum Window Substring 43. Serialize and Deserialize Binary Tree 44. Trapping Rain Water 45. Find Median from Data Stream 46. Majority Element 47. Add Binary add-binary.go ✅ 48. Diameter of Binary Tree 49. Middle of the Linked List middle-of-the-linked-list.go ✅ 50. Accounts Merge 51. Sort Colors 52. Word Break 53. Partition Equal Subset Sum 54. String to Integer (atoi) 55. Spiral Matrix 56. Subsets 57. Binary Tree Right Side View 58. Longest Palindromic Substring 59. Word Ladder 60. Basic Calculator 61. Maximum Profit in Job Scheduling 62. Merge k Sorted Lists 63. Largest Rectangle in Histogram 64. Maximum Depth of Binary Tree 65. Contains Duplicate contains-duplicate.go ✅ 66. Unique Paths 67. Construct Binary Tree from Preorder and Inorder Traversal 68. Container With Most Water 69. Letter Combinations of a Phone Number 70. Word Search 71. Find All Anagrams in a String 72. Minimum Height Trees 73. Task Scheduler 74. LRU Cache 75. Kth Smallest Element in a BST