LeetCode

LeetCode Algorithm

#	Title	Solution	Difficulty	Topics
1	Two Sum	Go	🟢	Array, Hash Table
2	Add Two Numbers	Go	🟡	Linked List, Math, Recursion
3	Longest Substring Without Repeating Characters	Go	🟡	Hash Table, String, Sliding Window
7	Reverse Integer	Go	🟡	Math
9	Palindrome Number	Go	🟢	Math
13	Roman to Integer	Go	🟢	Hash Table, Math, String
17	Letter Combinations of a Phone Number	Go	🟡	Hash Table, String, Backtracking
20	Valid Parentheses	Go	🟢	String, Stack
26	Remove Duplicates from Sorted Array	Go	🟢	Array, Pointer
35	Search Insert Position	Go, Rust	🟢	Array, Binary Search
50	Pow(x, n)	Go	🟡	Math, Recursion
53	Maximum Subarray	Go	🟡	Array, Divide and Conquer, Dynamic Programming
66	Plus One	Go	🟢	Array, Math
69	Sqrt(x)	Go, Rust	🟢	Math, Binary Search
70	Climbing Stairs	Go	🟢	Math, Dynamic Programming, Memoization
75	Sort Colors	Go	🟡	Array, Pointer, Sorting
88	Merge Sorted Array	Go	🟢	Array, Pointer
104	Maximum Depth of Binary Tree	Go	🟢	Tree, BFS, DFS, Binary Tree
125	Valid Palindrome	Go	🟢	String, Pointer
136	Single Number	Go	🟢	Array, Bit Manipulation
155	Min Stack	Go	🟢	Stack
206	Reverse Linked List	Go	🟢	Linked List, Pointer
217	Contains Duplicate	Go	🟢	Array, Hash Table
226	Invert Binary Tree	Go	🟢	Tree, BFS, DFS, Binary Tree
242	Valid Anagram	Go	🟢	Hash Table, String
268	Missing Number	Go	🟢	Array, Math, Bit Manipulation
283	Move Zeroes	Go	🟢	Array, Pointer
344	Reverse String	Go, Rust	🟢	String, Pointer
380	Insert Delete GetRandom O(1)	Go	🟡	Array, Hash Table, Math, Randomized
387	First Unique Character in a String	Go	🟢	Hash Table, String, Counting, Queue
404	Sum of Left Leaves	Go	🟢	Tree, BFS, DFS, Binary Tree
540	Single Element in a Sorted Array	Rust	🟡	Array, Binary Search
704	Binary Search	Go, Rust	🟢	Array, Binary Search
1876	Substrings of Size Three with Distinct Characters	Go	🟢	Hash Table, String, Sliding Window

LeetCode Shell

#	Title	Solution	Difficulty
192	Word Frequency	Bash	🟡
193	Valid Phone Numbers	Bash	🟢