README.md

Number	Problem	Solution	Tags	Note
1	Two Sum	Solution	Hash Table, Complement, Array	[Note]
79	Word Search	Solution	Backtracking, DFS	[Note]
128	Longest Consecutive Sequence	Solution	Hash Table, Union Find, Array	[Note]
169	Majority Element	Solution	Array, Sorting, Hash	[Note]
200	Number of Islands	Solution	Graph, DFS, BFS	[Note]
203	Remove Linked List Elements	Solution	Linked List, Sentinel	[Note]
207	Course Schedule	Solution	Graph, DFS, Topological Sort, BFS	[Note]
229	Majority Element 2	Solution	Array, Hash, Medium	[Note]
261	Graph Valid Tree	Solution	Graph, DFS	[Note]
269	Alien Dictionary	Solution	Array, String, DFS, BFS, Graph, Toplogical Sort	[Note]
298	Binary Tree Longest Consecutive Sequence	Solution	Binary Tree, DFS	[Note]
323	Number of Connected Components in an Undirected Graph	Solution	Graph, DFS	[Note]
453	Minimum Moves to Equal Array Elements	Solution	Array, Sorting, Math	[Note]
462	Minimum Moves to Equal Array Elements II	Solution	Array, Sorting, Math	[Note]
542	01 Matrix	Solution	Array, Matrix, BFS, DP	[Note]
547	Number of Provinces	Solution	Graph, DFS, BFS	[Note]
549	Binary Tree Longest Consecutive Sequence II	Solution	Binary Tree, DFS	[Note]
657	Robot Return to Origin	Solution	String, Graph	[Note]
696	Count Binary Substrings	Solution	Array, Sliding Window, Two pointers	[Note]
734	Sentence Similarity	Solution	Hash, Array	[Note]
841	Keys and Rooms	Solution	Graph, DFS, BFS	[Note]
953	Verifying an Alien Dictionary	Solution	Hash Table, String, Array	[Note]
1104	Path In Zigzag Labelled Binary Tree	Solution	Recursion, Tree	[Note]
1120	Maximum Average Subtree	Solution	Recursion, Tree	[Note]
1629	Slowest Key	Solution	String, Array	[Note]
1650	Lowest Common Ancestor of a Binary Tree III	Solution	Tree, Hash Table, Recursion, Binary Tree	Additional Note