Leetcode

https://leetcode.com/ Leetcode has excellent coding problems to improve coding skills This repo contains my solutions

Name		Name	Last commit message	Last commit date
Latest commit History 91 Commits
1 Two Sum		1 Two Sum
102 Binary Tree Level Order Traversal		102 Binary Tree Level Order Traversal
103 Binary tree zigzag level traversal		103 Binary tree zigzag level traversal
104 Maximum Depth of Binary Tree		104 Maximum Depth of Binary Tree
105 Construct Binary Tree from Preorder and Inorder Traversal		105 Construct Binary Tree from Preorder and Inorder Traversal
106 construct binary tree from inoder and postorder traversal		106 construct binary tree from inoder and postorder traversal
109 Convert Sorted List to Binary Search Tree		109 Convert Sorted List to Binary Search Tree
11 container with most water		11 container with most water
113 path sum		113 path sum
114 Flatten Binary Tree to Linked List		114 Flatten Binary Tree to Linked List
115 distinct subsequences		115 distinct subsequences
116 Populating Next Right Pointers in Each Node		116 Populating Next Right Pointers in Each Node
117 populating next right pointers in each node II		117 populating next right pointers in each node II
12 integer to roman		12 integer to roman
120 Triangle		120 Triangle
121 Best time to buy and sell stock		121 Best time to buy and sell stock
122 best time to buy and sell stock II		122 best time to buy and sell stock II
123 Best time to buy and sell stocks III		123 Best time to buy and sell stocks III
124 Binary Tree Maximum Path Sum		124 Binary Tree Maximum Path Sum
126 word ladder II		126 word ladder II
127 word ladder		127 word ladder
128 longest consecutive sequence		128 longest consecutive sequence
129 Sum root to leaf numbers		129 Sum root to leaf numbers
131 palindrome partitioning		131 palindrome partitioning
133 Clone Graph		133 Clone Graph
134 Gas station		134 Gas station
135 Candy		135 Candy
136 single number		136 single number
137 single number II		137 single number II
138 copy list with random pointer		138 copy list with random pointer
139 Word break		139 Word break
140 Word Break II		140 Word Break II
141 Linked List cycle		141 Linked List cycle
142 linked list cycle II		142 linked list cycle II
143 Reorder List		143 Reorder List
144 binary tree preorder traversal		144 binary tree preorder traversal
145 Binary tree postorder traversal		145 Binary tree postorder traversal
147 Insertion sort list		147 Insertion sort list
148 Sort List		148 Sort List
149 max points on a line		149 max points on a line
15 3Sum		15 3Sum
150 Evaluate Reverse Polish Notation		150 Evaluate Reverse Polish Notation
152 Maximum Product Subarray		152 Maximum Product Subarray
153 find minimum in rotated sorted array		153 find minimum in rotated sorted array
154 find minimum in rotated sorted array II		154 find minimum in rotated sorted array II
16 3sum closest		16 3sum closest
162 find peak element		162 find peak element
164 Maximum Gap		164 Maximum Gap
166 fraction to recurring decimals		166 fraction to recurring decimals
169 Majority Element		169 Majority Element
17 letter combinations of phone numbers		17 letter combinations of phone numbers
173 Binary Search Tree Iterator		173 Binary Search Tree Iterator
18 4Sum		18 4Sum
187 Repeated DNA Sequences		187 Repeated DNA Sequences
188 Best time to buy and sell stocks		188 Best time to buy and sell stocks
198 House robber		198 House robber
2 Add two numbers		2 Add two numbers
200 number of islands		200 number of islands
22 Generate Parentheses		22 Generate Parentheses
23 merge k sorted lists		23 merge k sorted lists
24 Swap Nodes in Pairs		24 Swap Nodes in Pairs
25 Reverse Nodes in k-group		25 Reverse Nodes in k-group
29 Divide two integers		29 Divide two integers
3 Longest Substring Without Repeating Characters		3 Longest Substring Without Repeating Characters
30 substring with concatenation of all words		30 substring with concatenation of all words
31 Next permutation		31 Next permutation
32 longest valid parentheses		32 longest valid parentheses
33 search in rotated sorted array		33 search in rotated sorted array
34 Search for a Range		34 Search for a Range
37 sudoku solver		37 sudoku solver
39 combination sum		39 combination sum
40 combination sum II		40 combination sum II
41 find missing positive		41 find missing positive
42 trapping rain water		42 trapping rain water
43 Multiply strings		43 Multiply strings
44 Wildcard matching		44 Wildcard matching
45 Jumping game II		45 Jumping game II
46 Permutation		46 Permutation
46 Rotate image		46 Rotate image
49 Anagrams		49 Anagrams
5 longest palindromic substring		5 longest palindromic substring
50 Pow(x,n)		50 Pow(x,n)
51 N-queens		51 N-queens
52 N-Queens II		52 N-Queens II
53 Maximum subarray		53 Maximum subarray
54 Spiral Matrix		54 Spiral Matrix
55 Jump Game		55 Jump Game
56 merge intervals		56 merge intervals
57 insert interval		57 insert interval
58 Length of last word		58 Length of last word
59 spiral matrix II		59 spiral matrix II
6 ZigZag Conversion		6 ZigZag Conversion
60 Permutation Sequence		60 Permutation Sequence
61 Roate list		61 Roate list
62 Unique paths		62 Unique paths
63 Unique path II		63 Unique path II
64 minimum path sum		64 minimum path sum
67 Add Binary		67 Add Binary
68 Test Justification		68 Test Justification
69 sqrt()		69 sqrt()

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Repository files navigation

Leetcode

About

Uh oh!

Releases

Packages

Languages

ErkangXu/Leetcode

Folders and files

Latest commit

History

Repository files navigation

Leetcode

About

Resources

Uh oh!

Stars

Watchers

Forks

Releases

Packages 0

Languages

Packages