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94 Commits
Javascript
Javascript
 
 
.DS_Store
.DS_Store
 
 
1. Two Sum.cpp
1. Two Sum.cpp
 
 
1. Two Sum.java
1. Two Sum.java
 
 
10. Regular Expression Matching.java
10. Regular Expression Matching.java
 
 
116. Populating Next Right Pointers in Each Node.java
116. Populating Next Right Pointers in Each Node.java
 
 
117. Populating Next Right Pointers in Each Node II.java
117. Populating Next Right Pointers in Each Node II.java
 
 
119. Pascal's Triangle II.java
119. Pascal's Triangle II.java
 
 
121. Best Time to Buy and Sell Stock.java
121. Best Time to Buy and Sell Stock.java
 
 
123 Sum Root to Leaf Numbers.java
123 Sum Root to Leaf Numbers.java
 
 
123. Best Time to Buy and Sell Stock III.java
123. Best Time to Buy and Sell Stock III.java
 
 
124. Binary Tree Maximum Path Sum.txt
124. Binary Tree Maximum Path Sum.txt
 
 
125. Valid Palindrome.java
125. Valid Palindrome.java
 
 
128. Longest Consecutive Sequence.java
128. Longest Consecutive Sequence.java
 
 
13. Roman to Integer.java
13. Roman to Integer.java
 
 
130. Surrounded Regions.java
130. Surrounded Regions.java
 
 
137 Single Number II.rtf
137 Single Number II.rtf
 
 
140. Word Break II.java
140. Word Break II.java
 
 
142 Linked List Cycle II.rtf
142 Linked List Cycle II.rtf
 
 
143 Reorder List.java
143 Reorder List.java
 
 
144 Binary Tree Preorder Traversal.java
144 Binary Tree Preorder Traversal.java
 
 
145 Binary Tree Postorder Traversal.java
145 Binary Tree Postorder Traversal.java
 
 
146. LRU Cache.java
146. LRU Cache.java
 
 
147 Insertion Sort List.java
147 Insertion Sort List.java
 
 
148 Sort List.java
148 Sort List.java
 
 
15. 3Sum.java
15. 3Sum.java
 
 
150. Evaluate Reverse Polish Notation.java
150. Evaluate Reverse Polish Notation.java
 
 
151. Reverse Words in a String.java
151. Reverse Words in a String.java
 
 
153. Find Minimum in Rotated Sorted Array.java
153. Find Minimum in Rotated Sorted Array.java
 
 
154. Find Minimum in Rotated Sorted Array II.java
154. Find Minimum in Rotated Sorted Array II.java
 
 
155. Min Stack.java
155. Min Stack.java
 
 
157. Read N Characters Given Read4.java
157. Read N Characters Given Read4.java
 
 
158. Read N Characters Given Read4 II - Call multiple times.java
158. Read N Characters Given Read4 II - Call multiple times.java
 
 
159. Longest Substring with At Most Two Distinct Characters.java
159. Longest Substring with At Most Two Distinct Characters.java
 
 
16. 3Sum Closest.java
16. 3Sum Closest.java
 
 
161. One Edit Distance.java
161. One Edit Distance.java
 
 
163. Missing Ranges.java
163. Missing Ranges.java
 
 
166. Fraction to Recurring Decimal.java
166. Fraction to Recurring Decimal.java
 
 
168. Excel Sheet Column Title.java
168. Excel Sheet Column Title.java
 
 
17. Letter Combinations of a Phone Number.java
17. Letter Combinations of a Phone Number.java
 
 
170. Two Sum III - Data structure design.java
170. Two Sum III - Data structure design.java
 
 
171. Excel Sheet Column Number.java
171. Excel Sheet Column Number.java
 
 
172. Factorial Trailing Zeroes.java
172. Factorial Trailing Zeroes.java
 
 
173. Binary Search Tree Iterator.java
173. Binary Search Tree Iterator.java
 
 
174. Dungeon Game.java
174. Dungeon Game.java
 
 
179. Largest Number.java
179. Largest Number.java
 
 
18. 4Sum.java
18. 4Sum.java
 
 
187. Repeated DNA Sequences.java
187. Repeated DNA Sequences.java
 
 
188. Best Time to Buy and Sell Stock IV.java
188. Best Time to Buy and Sell Stock IV.java
 
 
189. Rotate Array.txt
189. Rotate Array.txt
 
 
190. Reverse Bits.java
190. Reverse Bits.java
 
 
191. Number of 1 Bits.java
191. Number of 1 Bits.java
 
 
198. House Robber.java
198. House Robber.java
 
 
2. Add Two Numbers.cpp
2. Add Two Numbers.cpp
 
 
20. Valid Parentheses.java
20. Valid Parentheses.java
 
 
200. Number of Islands.java
200. Number of Islands.java
 
 
201. Bitwise AND of Numbers Range.java
201. Bitwise AND of Numbers Range.java
 
 
203. Remove Linked List Elements.java
203. Remove Linked List Elements.java
 
 
204. Count Primes.java
204. Count Primes.java
 
 
205. Isomorphic Strings.java
205. Isomorphic Strings.java
 
 
207. Course Schedule.java
207. Course Schedule.java
 
 
208. Implement Trie (Prefix Tree).txt
208. Implement Trie (Prefix Tree).txt
 
 
210. Course Schedule II.java
210. Course Schedule II.java
 
 
211(1). Add and Search Word - Data structure design.txt
211(1). Add and Search Word - Data structure design.txt
 
 
211(2). Add and Search Word - Data structure design.txt
211(2). Add and Search Word - Data structure design.txt
 
 
212. Word Search II.txt
212. Word Search II.txt
 
 
213. House Robber II.java
213. House Robber II.java
 
 
214. Shortest Palindrome.java
214. Shortest Palindrome.java
 
 
215. Kth Largest Element in an Array.java
215. Kth Largest Element in an Array.java
 
 
216. Combination Sum III.txt
216. Combination Sum III.txt
 
 
218. The Skyline Problem.java
218. The Skyline Problem.java
 
 
22. Generate Parentheses.java
22. Generate Parentheses.java
 
 
221. Maximal Square.java
221. Maximal Square.java
 
 
222. Count Complete Tree Nodes.java
222. Count Complete Tree Nodes.java
 
 
223. Rectangle Area.java
223. Rectangle Area.java
 
 
225. Implement Stack using Queues.txt
225. Implement Stack using Queues.txt
 
 
226. Invert Binary Tree.java
226. Invert Binary Tree.java
 
 
232. Implement Queue using Stacks.txt
232. Implement Queue using Stacks.txt
 
 
234. Palindrome Linked List.java
234. Palindrome Linked List.java
 
 
235. Lowest Common Ancestor of a Binary Search Tree.java
235. Lowest Common Ancestor of a Binary Search Tree.java
 
 
236. Lowest Common Ancestor of a Binary Tree.java
236. Lowest Common Ancestor of a Binary Tree.java
 
 
238. Product of Array Except Self.java
238. Product of Array Except Self.java
 
 
240. Search a 2D Matrix II.java
240. Search a 2D Matrix II.java
 
 
241. Different Ways to Add Parentheses.java
241. Different Ways to Add Parentheses.java
 
 
243. Shortest Word Distance.txt
243. Shortest Word Distance.txt
 
 
244. Shortest Word Distance II.txt
244. Shortest Word Distance II.txt
 
 
245. Shortest Word Distance III.txt
245. Shortest Word Distance III.txt
 
 
249. Group Shifted Strings.java
249. Group Shifted Strings.java
 
 
25. Reverse Nodes in k-Group.java
25. Reverse Nodes in k-Group.java
 
 
252. Meeting Rooms.java
252. Meeting Rooms.java
 
 
253. Meeting Rooms II.java
253. Meeting Rooms II.java
 
 
254. Factor Combinations.txt
254. Factor Combinations.txt
 
 
255. Verify Preorder Sequence in Binary Search Tree.txt
255. Verify Preorder Sequence in Binary Search Tree.txt
 
 
256. Paint House.java
256. Paint House.java
 
 
257. Binary Tree Paths.java
257. Binary Tree Paths.java
 
 
259. 3Sum Smaller.java
259. 3Sum Smaller.java
 
 
261. Graph Valid Tree.java
261. Graph Valid Tree.java
 
 
265. Paint House II.java
265. Paint House II.java
 
 
269. Alien Dictionary.java
269. Alien Dictionary.java
 
 
270. Closest Binary Search Tree Value.java
270. Closest Binary Search Tree Value.java
 
 

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LeetCode / LintCode(Java)

Record answers and explanation of problems in LeetCode and LintCode.

If you meet any problems about the answer and need further explanation, feel free to contact me.

+ Data Structure
+ Algorithm

Progress

403/573

  • Array 94/98
  • String 68/78
  • Dynamic Programming 64/80
  • Math 39/74
  • Tree 59/64
  • HashTable 42/65

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LeetCode/LintCode

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java leetcode lintcode algorithms-datastructures

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