LeetCode

###LeetCode Algorithm

(Notes: "♥" means you need buy a book from Leetcode)

#	Title	Solution	Difficulty
183	Binary Tree Right Side View	C++	Medium
182	House Robber	C++	Easy
181	Number of 1 Bits	C++	Easy
180	Reverse Bits	C++	Easy
179	Rotate Array	C++	Easy
178	Best Time to Buy and Sell Stock IV	C++	Hard
177	Repeated DNA Sequences	C++	Medium
176	Reverse Words in a String II ♥	C++	Medium
175	Largest Number	C++	Medium
174	Dungeon Game	C++	Hard
173	Binary Search Tree Iterator	C++	Medium
172	Factorial Trailing Zeroes	C++	Easy
171	Excel Sheet Column Number	C++	Easy
170	Two Sum III - Data structure design ♥	C++	Easy
169	Majority Element	C++	Easy
168	Excel Sheet Column Title	C++	Easy
167	Two Sum II - Input array is sorted ♥	C++	Medium
166	Fraction to Recurring Decimal	C++	Medium
165	Compare Version Numbers	C++	Easy
164	Maximum Gap	C++	Hard
163	Missing Ranges ♥	C++	Medium
162	Find Peak Element	C++	Medium
161	One Edit Distance♥	C++	Medium
160	Intersection of Two Linked Lists	C++	Easy
159	Longest Substring with At Most Two Distinct Characters ♥	C++	Hard
158	Read N Characters Given Read4 II - Call multiple times ♥	C++	Hard
157	Read N Characters Given Read4 ♥	C++	Easy
156	Binary Tree Upside Down ♥	C++	Medium
155	Min Stack	C++	Easy
154	Find Minimum in Rotated Sorted Array II	C++	Hard
153	Find Minimum in Rotated Sorted Array	C++	Medium
152	Maximum Product Subarray	C++	Medium
151	Reverse Words in a String	C++	Medium
150	Evaluate Reverse Polish Notation	C++	Medium
149	Max Points on a Line	C++	Hard
148	Sort List	C++	Medium
147	Insertion Sort List	C++	Medium
146	LRU Cache	C++	Hard
145	Binary Tree Postorder Traversal	C++	Hard
144	Binary Tree Preorder Traversal	C++	Medium
143	Reorder List	C++	Medium
142	Linked List Cycle II	C++	Medium
141	Linked List Cycle	C++	Medium
140	Word Break II	C++	Hard
139	Word Break	C++	Medium
138	Copy List with Random Pointer	C++	Hard
137	Single Number II	C++	Medium
136	Single Number	C++	Medium
135	Candy	C++	Hard
134	Gas Station	C++	Medium
133	Clone Graph	C++	Medium
132	Palindrome Partitioning II	C++	Hard
131	Palindrome Partitioning	C++	Medium
130	Surrounded Regions	C++	Medium
129	Sum Root to Leaf Numbers	C++	Medium
128	Longest Consecutive Sequence	C++	Hard
127	Word Ladder II	C++	Hard
126	Word Ladder	C++	Medium
125	Valid Palindrome	C++	Easy
124	Binary Tree Maximum Path Sum	C++	Hard
123	Best Time to Buy and Sell Stock III	C++	Hard
122	Best Time to Buy and Sell Stock II	C++	Medium
121	Best Time to Buy and Sell Stock	C++	Medium
120	Triangle	C++	Medium
119	Pascal's Triangle II	C++	Easy
118	Pascal's Triangle	C++	Easy
117	Populating Next Right Pointers in Each Node II	C++	Hard
116	Populating Next Right Pointers in Each Node	C++	Medium
115	Distinct Subsequences	C++	Hard
114	Flatten Binary Tree to Linked List	C++	Medium
113	Path Sum II	C++	Medium
112	Path Sum	C++	Easy
111	Minimum Depth of Binary Tree	C++	Easy
110	Balanced Binary Tree	C++	Easy
109	Convert Sorted List to Binary Search Tree	C++	Medium
108	Convert Sorted Array to Binary Search Tree	C++	Medium
107	Binary Tree Level Order Traversal II	C++	Easy
106	Construct Binary Tree from Inorder and Postorder Traversal	C++	Medium
105	Construct Binary Tree from Preorder and Inorder Traversal	C++	Medium
104	Maximum Depth of Binary Tree	C++	Easy
103	Binary Tree Zigzag Level Order Traversal	C++	Medium
102	Binary Tree Level Order Traversal	C++	Easy
101	Symmetric Tree	C++	Easy
100	Same Tree	C++	Easy
99	Recover Binary Search Tree	C++	Hard
98	Validate Binary Search Tree	C++	Medium
97	Interleaving String	C++	Hard
96	Unique Binary Search Trees II	C++	Medium
95	Unique Binary Search Trees	C++	Medium
94	Binary Tree Inorder Traversal	C++	Medium
93	Restore IP Addresses	C++	Medium
92	Reverse Linked List II	C++	Medium
91	Subsets II	C++	Medium
90	Decode Ways	C++	Medium
89	Gray Code	C++	Medium
88	Merge Sorted Array	C++	Easy
87	Scramble String	C++	Hard
86	Partition List	C++	Medium
85	Maximal Rectangle	C++	Hard
84	Largest Rectangle in Histogram	C++	Hard
83	Remove Duplicates from Sorted List II	C++	Medium
82	Remove Duplicates from Sorted List	C++	Easy
81	Search in Rotated Sorted Array II	C++	Medium
80	Remove Duplicates from Sorted Array II	C++	Medium
79	Word Search	C++	Medium
78	Subsets	C++	Medium
77	Combinations	C++	Medium
76	Minimum Window Substring	C++	Hard
75	Sort Colors	C++	Medium
74	Search a 2D Matrix	C++	Medium
73	Set Matrix Zeroes	C++	Medium
72	Edit Distance	C++	Hard
71	Simplify Path	C++	Medium
70	Climbing Stairs	C++	Easy
69	Sqrt(x)	C++	Medium
68	Text Justification	C++	Hard
67	Plus One	C++	Easy
66	Valid Number	C++	Easy
65	Add Binary	C++	Easy
64	Merge Two Sorted Lists	C++	Easy
63	Minimum Path Sum	C++	Medium
62	Unique Paths II	C++	Medium
61	Unique Paths	C++	Medium
60	Rotate List	C++	Medium
59	Permutation Sequence	C++	Medium
58	Spiral Matrix II	C++	Medium
57	Length of Last Word	C++	Easy
56	Insert Interval	C++	Hard
55	Merge Intervals	C++	Hard
54	Jump Game	C++	Medium
53	Spiral Matrix	C++	Medium
52	Maximum Subarray	C++	Medium
51	N-Queens II	C++	Hard
50	N-Queens	C++	Hard
49	"Pow(x, n)"	C++	Medium
48	Anagrams	C++	Medium
47	Rotate Image	C++	Medium
46	Permutations II	C++	Hard
45	Permutations	C++	Medium
44	Jump Game II	C++	Hard
43	Wildcard Matching	C++	Hard
42	Multiply Strings	C++	Medium
41	Trapping Rain Water	C++	Hard
40	First Missing Positive	C++	Hard
39	Combination Sum II	C++	Medium
38	Combination Sum	C++	Medium
37	Count and Say	C++	Easy
36	Sudoku Solver	C++	Hard
35	Valid Sudoku	C++	Easy
34	Search Insert Position	C++	Medium
33	Search for a Range	C++	Medium
32	Search in Rotated Sorted Array	C++	Hard
31	Longest Valid Parentheses	C++	Hard
30	Next Permutation	C++	Medium
29	Substring with Concatenation of All Words	C++	Hard
28	Divide Two Integers	C++	Medium
27	Implement strStr()	C++	Easy
26	Remove Element	C++	Easy
25	Remove Duplicates from Sorted Array	C++	Easy
24	Reverse Nodes in k-Group	C++	Hard
23	Swap Nodes in Pairs	C++	Medium
22	Merge k Sorted Lists	C++	Hard
21	Generate Parentheses	C++	Medium
20	Valid Parentheses	C++	Easy
19	Remove Nth Node From End of List	C++	Easy
18	Letter Combinations of a Phone Number	C++	Medium
17	4Sum	C++	Medium
16	3Sum Closest	C++	Medium
15	3Sum	C++	Medium
14	Longest Common Prefix	C++	Easy
13	Roman to Integer	C++	Easy
12	Integer to Roman	C++	Medium
11	Container With Most Water	C++	Medium
10	Regular Expression Matching	C++	Hard
9	Palindrome Number	C++	Easy
8	String to Integer (atoi)	C++	Easy
7	Reverse Integer	C++	Easy
6	ZigZag Conversion	C++	Easy
5	Longest Palindromic Substring	C++	Medium
4	Add Two Numbers	C++	Medium
3	Longest Substring Without Repeating Characters	C++	Medium
2	Median of Two Sorted Arrays	C++	Hard
1	Two Sum	C++	Medium

###LeetCode Shell

#	Title	Solution	Difficulty
4	Tenth Line	Bash	Easy
3	Transpose File	Bash	Medium
2	Valid Phone Numbers	Bash	Easy
1	Word Frequency	Bash	Medium

Name		Name	Last commit message	Last commit date
Latest commit History 132 Commits
algorithms		algorithms
scripts		scripts
shell		shell
README.md		README.md

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