fishercoderLeetcode

#	Title	Solutions	Time	Space	Difficulty	Tag	Notes
278	First Bad Version	Solution	O(logn)	O(1)	Easy	Binary Search
139	Word Break	Solution	O(n^2)	O(n)	Medium	DP
133	Clone Graph	Solution	O(n)	O(n)	Medium	HashMap, BFS
91	Decode Ways	Solution	O(n)	O(n)	Medium	DP
76	Minimum Window Substring	Solution	O(n)	O(k)	Hard	Two Pointers
56	Merge Intervals	Solution	O(n*logn)	O(1)	Hard
23	Merge k Sorted Lists	Solution	O(n*logk)	O(logk)	Hard	Heap
17	Letter Combinations of a Phone Number	Solution	O(n*4^n)	O(n)	Medium	Backtracking
15	3Sum	Solution	O(n^2)	O(1)	Medium	Two Pointers
10	Regular Expression Matching	Solution	O(m*n)	O(m*n)	Hard	DP
8	String to Integer (atoi)	Solution
7	Reverse Integer	Solution
2	Add Two Numbers	Solution
1	Two Sum	Solution	O(n)/O(n^2)	O(1)/O(n)	Easy	HashMap