GitHub - wtbsw/LintCode: Java Solutions to problems on LintCode
0
2 Sum II - Input array is sorted.java
Medium
Java
1
2 Sum II.java
Medium
Java
2
2 Sum.java
Medium
Java
Link
3
3 Sum Closest.java
Medium
Java
4
3 Sum Smaller.java
Java
5
3 Sum.java
Medium
Java
6
4 Sum.java
Medium
Java
7
A+B.java
Easy
Java
8
Add and Search Word.java
Medium
Java
9
Add Binary.java
Easy
Java
10
Add Two Numbers II.java
Medium
Java
11
Add Two Numbers.java
Easy
Java
12
Alien Dictionary.java
Hard
Java
13
Anagrams.java
Medium
Java
14
Backpack II.java
Medium
Java
15
Backpack.java
Medium
Java
16
Balanced Binary Tree.java
Medium
Java
17
Best Time to Buy and Sell Stock I.java
Medium
Java
18
Best Time to Buy and Sell Stock II.java
Medium
Java
19
Best Time to Buy and Sell Stock III .java
Medium
Java
20
Best Time to Buy and Sell Stock IV.java
Hard
Java
21
Binary Representation.java
Hard
Java
22
Binary Search Tree Iterator.java
Hard
Java
23
Binary Tree Inorder Traversal.java
Easy
Java
24
Binary Tree Level Order Traversal II.java
Medium
Java
25
Binary Tree Level Order Traversal.java
Medium
Java
26
Binary Tree Longest Consecutive Sequence.java
Medium
Java
27
Binary Tree Maximum Path Sum II.java
Medium
Java
28
Binary Tree Maximum Path Sum.java
Medium
Java
29
Binary Tree Path Sum.java
Easy
Java
30
Binary Tree Paths.java
Easy
Java
31
Binary Tree Postorder Traversal.java
Easy
Java
32
Binary Tree Preorder Traversal.java
Easy
Java
33
Binary Tree Right Side View.java
Medium
Java
34
Binary Tree Serialization.java
Medium
Java
35
Binary Tree Zigzag Level Order Traversal.java
Medium
Java
36
Building Outline.java
Hard
Java
37
Burst Balloons.java
Java
38
Change to Anagram.java
Easy
Java
39
Classical Binary Search.java
Easy
Java
40
Climbing Stairs.java
Easy
Java
41
Clone Graph.java
Medium
Java
42
Closest Binary Search Tree Value.java
Easy
Java
43
Closest Number in Sorted Array.java
Easy
Java
44
Coins in a Line.java
Java
45
ColorGrid.java
Medium
Java
46
Combination Sum II.java
Medium
Java
47
Combination Sum.java
Medium
Java
48
Combinations.java
Medium
Java
49
Compare Strings.java
Easy
Java
50
Complete Binary Tree.java
Easy
Java
51
Construct Binary Tree from Inorder and Postorder Traversal.java
Medium
Java
52
Construct Binary Tree from Inorder and Preorder Traversal.java
Medium
Java
53
Container With Most Water.java
Java
54
Convert Binary Search Tree to Doubly Linked List.java
Medium
Java
55
Convert Expression to Polish Notation.java
Hard
Java
56
Convert Expression to Reverse Polish Notation.java
Hard
Java
57
Convert Integer A to Integer B.java
Easy
Java
58
Convert Sorted Array to Binary Search Tree With Minimal Height.java
Easy
Java
59
Convert Sorted List to Binary Search Tree.java
Medium
Java
60
Copy List with Random Pointer.java
Medium
Java
61
Cosine Similarity.java
Easy
Java
62
Count 1 in Binary.java
Easy
Java
63
Count and Say.java
Easy
Java
64
Count of Smaller Number before itself.java
Hard
Java
65
Count of Smaller Number.java
Medium
Java
66
Count Primes.java
Easy
Java
67
Course Schedule II.java
Medium
Java
68
Course Schedule.java
Medium
Java
69
Data Stream Median.java
Hard
Java
70
Delete Digits.java
Medium
Java
71
Delete Node in the Middle of Singly Linked List.java
Easy
Java
72
Distinct Subsequences.java
Hard
Java
73
Edit Distance.java
Medium
Java
74
Encode and Decode Strings.java
Medium
Java
75
ExcelSheetColumnNumber .java
Easy
Java
76
Expression Evaluation.java
Hard
Java
77
Expression Tree Build.java
Hard
Java
78
Fast Power.java
Medium
Java
79
Fibonacci.java
Easy
Java
80
Find Minimum in Rotated Sorted Array II.java
Java
81
Find Minimum in Rotated Sorted Array.java
Java
82
Find Peak Element II.java
Java
83
Find Peak Element.java
Java
84
Find the Connected Component in the Undirected Graph.java
Medium
Java
85
Find the Weak Connected Component in the Directed Graph.java
Medium
Java
86
First Bad Version.java
Medium
Java
87
First Missing Positive.java
Java
88
Flatten 2D Vector.java
Java
89
Flatten Binary Tree to Linked List.java
Easy
Java
90
Flattern 2D Vector.java
Java
91
Flip Game II.java
Java
92
Flip Game.java
Java
93
Fraction to Recurring Decimal.java
Java
94
Game of Life.java
Java
95
Gas Station.java
Java
96
Generate Parentheses.java
Java
97
Graph Valid Tree.java
Medium
Java
98
Gray Code.java
Medium
Java
99
Group Anagrams.java
Medium
Java
100
Group Shifted Strings.java
Easy
Java
101
H-Index II.java
Java
102
H-Index.java
Java
103
Happy Number.java
Easy
Java
104
Hash Function.java
Easy
Java
105
HashHeap.java
Hard
Java
106
HashWithArray.java
Easy
Java
107
HashWithCustomizedClass(LinkedList).java
Medium
Java
108
Heapify.java
Medium
Java
109
House Robber II.java
Medium
Java
110
House Robber III.java
Hard
Java
111
House Robber.java
Easy
Java
112
Identical Binary Tree.java
Easy
Java
113
Implement Queue by Two Stacks.java
Java
114
Implement Stack by Two Queues.java
Java
115
Implement Stack.java
Java
116
Implement strStr().java
Java
117
Implement Trie (Prefix Tree).java
Java
118
Implement Trie.java
Medium
Java
119
IndexMatch.java
Easy
Java
120
Inorder Successor in Binary Search Tree.java
Medium
Java
121
Insert Interval.java
Easy
Java
122
Insert Node in a Binary Search Tree .java
Easy
Java
123
Insertion Sort List.java
Java
124
Integer to English Words.java
Java
125
Interleaving Positive and Negative Numbers.java
Java
126
Interleaving String.java
Java
127
Intersection of Two Linked Lists.java
Easy
Java
128
Interval Minimum Number.java
Medium
Java
129
Interval Sum II.java
Hard
Java
130
Interval Sum.java
Medium
Java
131
Invert Binary Tree.java
Easy
Java
132
Isomorphic Strings.java
Easy
Java
133
Jump Game II.java
Hard
Java
134
Jump Game.java
Medium
Java
135
Kth Largest Element.java
Medium
Java
136
Kth Smallest Element in a BST.java
Java
137
Kth Smallest Number in Sorted Matrix.java
Medium
Java
138
Kth Smallest Sum In Two Sorted Arrays.java
Hard
Java
139
Largest Number.java
Java
140
Largest Rectangle in Histogram.java
Java
141
Last Position of Target.java
Java
142
Length of Last Word.java
Java
143
Letter Combinations of a Phone Number.java
Medium
Java
144
Linked List Cycle II.java
Java
145
Linked List Cycle.java
Java
146
Longest Common Prefix.java
Medium
Java
147
Longest Common Subsequence.java
Java
148
Longest Common Substring.java
Java
149
Longest Consecutive Sequence.java
Java
150
Longest Increasing Continuous subsequence II.java
Java
151
Longest Increasing Continuous subsequence.java
Java
152
Longest Increasing Subsequence.java
Java
153
Longest Palindromic Substring.java
Medium
Java
154
Longest Substring with At Most K Distinct Characters.java
Medium
Java
155
Longest Substring Without Repeating Characters.java
Medium
Java
156
Longest Words.java
Java
157
Lowest Common Ancestor II.java
Easy
Java
158
Lowest Common Ancestor of a Binary Search Tree.java
Medium
Java
159
Lowest Common Ancestor.java
Easy
Java
160
LRU Cache.java
Hard
Java
161
Majority Number II.java
Medium
Java
162
Majority Number III.java
Medium
Java
163
Majority Number.java
Easy
Java
164
Matrix Zigzag Traversal.java
Easy
Java
165
Max Tree.java
Hard
Java
166
Maximal Square.java
Medium
Java
167
Maximum Depth of Binary Tree.java
Easy
Java
168
Maximum Product Subarray.java
Java
169
Maximum Subarray III.java
Java
170
MaximumSubarray.java
Java
171
MaximumSubarrayII.java
Java
172
Median of two Sorted Arrays.java
Hard
Java
173
Median.java
Java
174
Meeting Rooms II.java
Medium
Java
175
Meeting Rooms.java
Easy
Java
176
Merge Intervals.java
Easy
Java
177
Merge k Sorted Arrays.java
Medium
Java
178
Merge k Sorted Lists.java
Medium
Java
179
Merge Sorted Array II.java
Java
180
Merge Sorted Array.java
Easy
Java
181
Merge Two Sorted List.java
Easy
Java
182
Merge Two Sorted Lists.java
Java
183
Middle of Linked List.java
Java
184
Min Stack.java
Easy
Java
185
Minimum Height Trees.java
Java
186
Minimum Path Sum.java
Java
187
Minimum Size Subarray Sum.java
Medium
Java
188
Minimum Subarray.java
Java
189
Minimum Window Substring.java
Hard
Java
190
MinimumDepthOfBinaryTree.java
Easy
Java
191
Missing Ranges.java
Java
192
Multiply Strings.java
Medium
Java
193
Next Permutation.java
Medium
Java
194
Nim Game.java
Java
195
NQueens.java
Java
196
NQueensII.java
Java
197
Nth to Last Node in List.java
Java
198
Number of Airplane in the sky.java
Medium
Java
199
Number of Islands II.java
Hard
Java
200
Number of Islands.java
Medium
Java
201
Number Triangles.java
Java
202
O(1) Check Power of 2.java
Java
203
One Edit Distance.java
Medium
Java
204
Paint Fence.java
Java
205
Palindrome Linked List.java
Java
206
Palindrome Partitioning II.java
Java
207
Palindrome Partitioning.java
Java
208
Palindrome Permutation II.java
Medium
Java
209
Palindrome Permutation.java
Easy
Java
210
Partition Array by Odd and Even.java
Java
211
Partition Array.java
Java
212
Partition List.java
Java
213
Pascal's Triangle II.java
Easy
Java
214
Peeking Iterator.java
Java
215
Perfect Squares.java
Java
216
Permutation Index.java
Easy
Java
217
Permutation Sequence.java
Medium
Java
218
Permutations II.java
Medium
Java
219
Permutations.java
Medium
Java
220
Plus One.java
Java
221
Populating Next Right Pointers in Each Node II.java
Hard
Java
222
Populating Next Right Pointers in Each Node.java
Medium
Java
223
Pow(x,n).java
Java
224
Power of Three.java
Easy
Java
225
Product of Array Exclude Itself.java
Java
226
QuickSort.java
Easy
Java
227
Recover Rotated Sorted Array.java
Java
228
Rehashing.java
Medium
Java
229
Remove Duplicates from Sorted Array.java
Java
230
Remove Duplicates from Sorted List II.java
Java
231
Remove Duplicates from Sorted List.java
Java
232
Remove Duplicates from Unsorted List.java
Java
233
Remove Linked List Elements.java
Java
234
Remove Node in Binary Search Tree.java
Hard
Java
235
Remove Nth Node From End of List.java
Java
236
Reorder List.java
Java
237
Restore IP Addresses.java
Java
238
Reverse Integer.java
Java
239
Reverse Linked List II .java
Java
240
Reverse Linked List.java
Easy
Java
241
Reverse Words in a String II.java
Medium
Java
242
Reverse Words in a String.java
Medium
Java
243
reverseInteger.java
Java
244
Roman to Integer.java
Easy
Java
245
Rotate Image.java
Medium
Java
246
Rotate List.java
Java
247
Rotate String.java
Java
248
Search a 2D Matrix II.java
Java
249
Search a 2D Matrix.java
Java
250
Search for a Range.java
Java
251
Search Insert Position.java
Java
252
Search Range in Binary Search Tree .java
Medium
Java
253
Search Rotated in Sorted Array II.java
Java
254
Search Rotated in Sorted Array.java
Hard
Java
255
Segment Tree Build II.java
Medium
Java
256
Segment Tree Build.java
Medium
Java
257
Segment Tree Modify.java
Medium
Java
258
Segment Tree Query II.java
Medium
Java
259
Segment Tree Query.java
Medium
Java
260
Serilization and Deserialization Of Binary Tree.java
Java
261
Single Number II.java
Java
262
Single Number III.java
Java
263
Single Number.java
Java
264
Singleton.java
Java
265
Sliding Window Maximum.java
Java
266
Sliding Window Median.java
Java
267
Sort Color.java
Java
268
Sort Colors II.java
Java
269
Sort Letters by Case.java
Java
270
Sort List.java
Java
271
Space Replacement.java
Java
272
Sqrt(x).java
Java
273
Stone Game.java
Java
274
String to Integer(atoi).java
Easy
Java
275
Strobogrammatic Number II.java
Java
276
Strobogrammatic Number.java
Java
277
StrStr.java
Java
278
Subarray Sum Closest.java
Medium
Java
279
Subarray Sum.java
Easy
Java
280
Subset.java
Medium
Java
281
Subsets II.java
Medium
Java
282
Subtree.java
Easy
Java
283
Summary Ranges.java
Java
284
Surrounded Regions.java
Java
285
Swap Nodes in Pairs.java
Java
286
Symmetric Binary Tree.java
Easy
Java
287
The Smallest Difference.java
Java
288
Top K Frequent Words.java
Medium
Java
289
Topological Sorting.java
Medium
Java
290
Total Occurrence of Target.java
Java
291
Trailing Zeros.java
Java
292
Trapping Rain Water II.java
Hard
Java
293
Trapping Rain Water.java
Medium
Java
294
Triangle Count.java
Java
295
Tweaked Identical Binary Tree.java
Easy
Java
296
Two Lists Sum.java
Java
297
Two Strings Are Anagrams.java
Easy
Java
298
Ugly Number II.java
Java
299
Ugly Number.java
Medium
Java
300
Unique Binary Search Tree II.java
Java
301
Unique Binary Search Tree.java
Java
302
Unique Characters.java
Java
303
Unique Path.java
Medium
Java
304
Unique Paths II.java
Java
305
Unique Word Abbreviation.java
Java
306
Update Bits.java
Java
307
Valid Anagram.java
Java
308
Valid Palindrome.java
Easy
Java
Link
309
Valid Parentheses.java
Easy
Java
310
Valid Sudoku.java
Easy
Java
311
Validate Binary Search Tree.java
Medium
Java
312
Wiggle Sort.java
Java
313
Wood Cut.java
Java
314
Word Break II.java
Hard
Java
315
Word Break.java
Medium
Java
316
Word Ladder II.java
Hard
Java
317
Word Ladder.java
Medium
Java
318
Word Pattern.java
Easy
Java
319
Word Search II.java
Hard
Java
320
Word Search.java
Medium
Java
321
Zigzag Iterator.java
Java