Leet Rabbits Codes

Day	Id	Title	Difficulty	Related Topics
		Week 1 (2021-07-19 ~ 2021-07-25)
001	7	Reverse Integer		Math
002	9	Palindrome Number		Math
003	5	Longest Palindromic Substring		String; Dynamic Programming
004	20	Valid Parentheses		String; Stack
005	35	Search Insert Position		Array; Binary Search
006	3	Longest Substring Without Repeating Characters		Hash Table; String; Sliding Window
007	4	Median of Two Sorted Arrays		Array; Binary Search; Divide and Conquer
		Week 2 (2021-07-26 ~ 2021-08-01)
008	13	Roman to Integer		Hash Table; Math; String
009	83	Remove Duplicates from Sorted List		Linked List
010	12	Integer to Roman		Hash Table; Math; String
011	100	Same Tree		Tree; Depth-First Search; Breadth-First Search; Binary Tree
012	104	Maximum Depth of Binary Tree		Tree; Depth-First Search; Breadth-First Search; Binary Tree
013	45	Jump Game II		Array; Dynamic Programming; Greedy
014	64	Minimum Path Sum		Array; Dynamic Programming; Matrix
		Week 3 (2021-08-02 ~ 2021-08-08)
015	21	Merge Two Sorted Lists		Linked List; Recursion
016	48	Rotate Image		Array; Math; Matrix
017	2	Add Two Numbers		Linked List; Math; Recursion
018	1	Two Sum		Array; Hash Table
019	23	Merge k Sorted Lists		Linked List; Divide and Conquer; Heap (Priority Queue); Merge Sort
020	387	First Unique Character in a String		Hash Table; String; Queue; Counting
021	341	Flatten Nested List Iterator		Stack; Tree; Depth-First Search; Design; Queue; Iterator
		Week 4 (2021-08-09 ~ 2021-08-15)
022	148	Sort List		Linked List; Two Pointers; Divide and Conquer; Sorting; Merge Sort
023	98	Validate Binary Search Tree		Tree; Depth-First Search; Binary Search Tree; Binary Tree
024	101	Symmetric Tree		Tree; Depth-First Search; Breadth-First Search; Binary Tree
025	49	Group Anagrams		Hash Table; String; Sorting
026	141	Linked List Cycle		Hash Table; Linked List; Two Pointers
027	22	Generate Parentheses		String; Dynamic Programming; Backtracking
028	26	Remove Duplicates from Sorted Array		Array; Two Pointers
		Week 5 (2021-08-16 ~ 2021-08-22)
029	94	Binary Tree Inorder Traversal		Stack; Tree; Depth-First Search; Binary Tree
030	326	Power of Three		Math; Recursion
031	136	Single Number		Array; Bit Manipulation
032	268	Missing Number		Array; Hash Table; Math; Bit Manipulation; Sorting
033	287	Find the Duplicate Number		Array; Two Pointers; Binary Search; Bit Manipulation
034	215	Kth Largest Element in an Array		Array; Divide and Conquer; Sorting; Heap (Priority Queue); Quickselect
035	1039	Find the Town Judge		Array; Hash Table; Graph
		Week 6 (2021-08-23 ~ 2021-08-29)
036	121	Best Time to Buy and Sell Stock		Array; Dynamic Programming
037	122	Best Time to Buy and Sell Stock II		Array; Dynamic Programming; Greedy
038	123	Best Time to Buy and Sell Stock III		Array; Dynamic Programming
039	70	Climbing Stairs		Math; Dynamic Programming; Memoization
040	747	Min Cost Climbing Stairs		Array; Dynamic Programming
041	55	Jump Game		Array; Dynamic Programming; Greedy
042		Binary Heap
		Week 7 (2021-08-30 ~ 2021-09-05)
043	118	Pascal's Triangle		Array; Dynamic Programming
044	119	Pascal's Triangle II		Array; Dynamic Programming
045	1086	Divisor Game		Math; Dynamic Programming; Brainteaser; Game Theory
046	242	Valid Anagram		Hash Table; String; Sorting
047	160	Intersection of Two Linked Lists		Hash Table; Linked List; Two Pointers
048	205	Isomorphic Strings		Hash Table; String
049	290	Word Pattern		Hash Table; String
		Week 8 (2021-09-06 ~ 2021-09-12)
050	169	Majority Element		Array; Hash Table; Divide and Conquer; Sorting; Counting
051	350	Intersection of Two Arrays II		Array; Hash Table; Two Pointers; Binary Search; Sorting
052	105	Construct Binary Tree from Preorder and Inorder Traversal		Array; Hash Table; Divide and Conquer; Tree; Binary Tree
053	66	Plus One		Array; Math
054	155	Min Stack		Stack; Design
055	150	Evaluate Reverse Polish Notation		Array; Math; Stack
056	227	Basic Calculator II		Math; String; Stack
		Week 9 (2021-09-13 ~ 2021-09-19)
057	1802	Number of Students Unable to Eat Lunch		Array; Stack; Queue; Simulation
058	234	Palindrome Linked List		Linked List; Two Pointers; Stack; Recursion
059	71	Simplify Path		String; Stack
060	28	Implement strStr()		Two Pointers; String; String Matching
061	168	Excel Sheet Column Title		Math; String
062	933	Number of Recent Calls		Design; Queue; Data Stream
063	860	Design Circular Queue		Array; Linked List; Design; Queue
		Week 10 (2021-09-20 ~ 2021-09-27)
064	239	Sliding Window Maximum		Array; Queue; Sliding Window; Heap (Priority Queue); Monotonic Queue
065	338	Counting Bits		Dynamic Programming; Bit Manipulation
066	392	Is Subsequence		Two Pointers; String; Dynamic Programming
067	1769	Get Maximum in Generated Array		Array; Dynamic Programming; Simulation
068	62	Unique Paths		Math; Dynamic Programming; Combinatorics
069	120	Triangle		Array; Dynamic Programming
070	53	Maximum Subarray		Array; Divide and Conquer; Dynamic Programming
		Week 11 (2021-09-28 ~ 2021-10-04)
071	561	Array Partition I		Array; Greedy; Sorting; Counting Sort
072	46	Permutations		Array; Backtracking
073	800	Letter Case Permutation		String; Backtracking; Bit Manipulation
074	813	All Paths From Source to Target		Backtracking; Depth-First Search; Breadth-First Search; Graph
075	1160	Letter Tile Possibilities		String; Backtracking
076	1211	Iterator for Combination		String; Backtracking; Design; Iterator
077	1516	The k-th Lexicographical String of All Happy Strings of Length n		String; Backtracking
		Week 12 (2021-10-05 ~ 2021-10-12)
078	455	Assign Cookies		Array; Greedy; Sorting
079	605	Can Place Flowers		Array; Greedy
080	409	Longest Palindrome		Hash Table; String; Greedy
081	1341	Split a String in Balanced Strings		String; Greedy; Counting
082	11	Container With Most Water		Array; Two Pointers; Greedy
083	179	Largest Number		String; Greedy; Sorting
084	1062	Partition Array Into Three Parts With Equal Sum		Array; Greedy
		Week 13 (2021-10-13 ~ 2021-10-23)
085	404	Sum of Left Leaves		Tree; Depth-First Search; Breadth-First Search; Binary Tree
086	257	Binary Tree Paths		String; Tree; Depth-First Search; Binary Tree
087	904	Leaf-Similar Trees		Tree; Depth-First Search; Binary Tree
088	563	Binary Tree Tilt		Tree; Depth-First Search; Binary Tree
089	1005	Univalued Binary Tree		Tree; Depth-First Search; Breadth-First Search; Binary Tree
090	783	Search in a Binary Search Tree		Tree; Binary Search Tree; Binary Tree
091	775	N-ary Tree Preorder Traversal		Stack; Tree; Depth-First Search
		Week 14 (2021-10-25 ~ 2022-01-12)
092	799	Minimum Distance Between BST Nodes		Tree; Depth-First Search; Breadth-First Search; Binary Search Tree; Binary Tree
093	933	Increasing Order Search Tree		Stack; Tree; Depth-First Search; Binary Search Tree; Binary Tree
094	1916	Find Center of Star Graph		Graph
095	2121	Find if Path Exists in Graph		Depth-First Search; Breadth-First Search; Graph
096	389	Find the Difference		Hash Table; String; Bit Manipulation; Sorting
097	383	Ransom Note		Hash Table; String; Counting
098	322	Coin Change		Array; Dynamic Programming; Breadth-First Search
		Week 15 (2022-01-14 ~ )
099	221	Maximal Square		Array; Dynamic Programming; Matrix
100	97	Interleaving String		String; Dynamic Programming

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Summary

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