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