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Java Algorithm Problems

程序员的一天

从开始这个Github已经有将近两年时间, 很高兴这个repo可以帮到有需要的人. 我一直认为, 知识本身是无价的, 因此每逢闲暇, 我就会来维护这个repo, 给刷题的朋友们一些我的想法和见解. 下面来简单介绍一下这个repo:

README.md: 所有所做过的题目

ReviewPage.md: 所有题目的总结和归纳（不断完善中）

KnowledgeHash2.md: 对所做过的知识点的一些笔记

SystemDesign.md: 对系统设计的一些笔记

Future Milestone: 我准备将一些有意思的题目，做成视频的形式给大家参考

希望大家学习顺利, 对未来充满希望(程序员也是找到好老板的!) 有问题可以给我写邮件(wangdeve@gmail.com), 或者在GitHub上发issue给我.

SquenceProblemLevelLanguageTagsVideo Tutorial
0Anagrams.javaMediumJava[]
1Binary Representation.javaHardJava[]
2Binary Tree Level Order Traversal II.javaMediumJava[]
3Binary Tree Level Order Traversal.javaMediumJava[]
4Binary Tree Longest Consecutive Sequence.javaMediumJava[]
5Binary Tree Maximum Path Sum II.javaMediumJava[]
6Binary Tree Right Side View.javaMediumJava[]
7Binary Tree Serialization.javaMediumJava[]
8Binary Tree Zigzag Level Order Traversal.javaMediumJava[]
9ColorGrid.javaMediumJava[]
10Combination Sum II.javaMediumJava[]
11Combination Sum.javaMediumJava[]
12Combinations.javaMediumJava[]
13Construct Binary Tree from Inorder and Postorder Traversal.javaMediumJava[]
14Container With Most Water.javaMediumJava[]
15Convert Binary Search Tree to Doubly Linked List.javaMediumJava[BST]
16Convert Expression to Polish Notation.javaHardJava[]
17Convert Expression to Reverse Polish Notation.javaHardJava[]
18Copy List with Random Pointer.javaMediumJava[]
19Count of Smaller Number before itself.javaHardJava[]
20Count of Smaller Number.javaMediumJava[]
21Count Primes.javaEasyJava[]
22Delete Digits.javaMediumJava[]
23Delete Node in the Middle of Singly Linked List.javaEasyJava[]
24Encode and Decode Strings.javaMediumJava[]
25ExcelSheetColumnNumber .javaEasyJava[]
26Expression Evaluation.javaHardJava[]
27Expression Tree Build.javaHardJava[]
28Fast Power.javaMediumJava[]
29Fibonacci.javaEasyJava[]
30Find the Connected Component in the Undirected Graph.javaMediumJava[]
31Find the Weak Connected Component in the Directed Graph.javaMediumJava[]
32First Missing Positive.javaN/AJava[]
33Flatten 2D Vector.javaMediumJava[]
34Flip Game II.javaMediumJava[]
35Flip Game.javaEasyJava[]
36Fraction to Recurring Decimal.javaMediumJava[]
37Gas Station.javaN/AJava[]
38Generate Parentheses.javaMediumJava[]
39Gray Code.javaMediumJava[]
40Group Anagrams.javaMediumJava[]
41Group Shifted Strings.javaEasyJava[]
42H-Index II.javaMediumJava[]
43H-Index.javaMediumJava[]
44Hamming Distance.javaEasyJava[]
45Happy Number.javaEasyJava[]
46Hash Function.javaEasyJava[]
47HashHeap.javaHardJava[]
48HashWithArray.javaEasyJava[]
49HashWithCustomizedClass(LinkedList).javaMediumJava[]
50Heapify.javaMediumJava[]
51Heaters.javaEasyJava[]
52Identical Binary Tree.javaEasyJava[]
53Implement Queue by Two Stacks.javaN/AJava[]
54Implement Stack by Two Queues.javaEasyJava[]
55Implement Stack using Queues.javaEasyJava[]
56Implement Stack.javaEasyJava[]
57Implement strStr().javaN/AJava[]
58Implement Trie (Prefix Tree).javaMediumJava[]
59IndexMatch.javaEasyJava[]
60Inorder Successor in Binary Search Tree.javaMediumJava[BST]
61Insert Interval.javaEasyJava[]
62Insert Node in a Binary Search Tree .javaEasyJava[BST]
63Insertion Sort List.javaN/AJava[]
64Integer to English Words.javaN/AJava[]
65Interleaving Positive and Negative Numbers.javaN/AJava[]
66Intersection of Two Arrays.javaEasyJava[]
67Intersection of Two Linked Lists.javaEasyJava[]
68Interval Minimum Number.javaMediumJava[]
69Interval Sum II.javaHardJava[]
70Interval Sum.javaMediumJava[]
71Invert Binary Tree.javaEasyJava[]
72Isomorphic Strings.javaEasyJava[]
73Jump Game II.javaHardJava[]
74Kth Largest Element.javaMediumJava[]
75Kth Smallest Element in a BST.javaMediumJava[BST]
76Kth Smallest Sum In Two Sorted Arrays.javaHardJava[]
77Largest Number.javaN/AJava[]
78Last Position of Target.javaN/AJava[]
79Length of Last Word.javaN/AJava[]
80Longest Common Prefix.javaMediumJava[]
81Longest Common Substring.javaN/AJava[]
82Longest Consecutive Sequence.javaN/AJava[]
83Longest Increasing Continuous subsequence II.javaN/AJava[]
84Longest Increasing Continuous subsequence.javaEasyJava[]
85Longest Palindromic Substring.javaMediumJava[]
86Longest Univalue Path.javaEasyJava[]
87Longest Word in Dictionary.javaEasyJava[]
88Longest Words.javaN/AJava[]
89Lowest Common Ancestor II.javaEasyJava[]
90Lowest Common Ancestor of a Binary Search Tree.javaMediumJava[]
91Lowest Common Ancestor.javaEasyJava[]
92LRU Cache.javaHardJava[]
93Majority Number II.javaMediumJava[]
94Majority Number III.javaMediumJava[]
95Matrix Zigzag Traversal.javaEasyJava[]
96Max Area of Island.javaEasyJava[]
97Maximum Depth of Binary Tree.javaEasyJava[]
98Maximum Subarray III.javaN/AJava[]
99Maximum Subarray.javaEasyJava[]
100Maximum SubarrayII.javaN/AJava[]
101MaximumSubarrayII.javaN/AJava[]
102Median of two Sorted Arrays.javaHardJava[]
103Median.javaN/AJava[]
104Merge Intervals.javaEasyJava[]
105Merge k Sorted Arrays.javaMediumJava[]
106Merge k Sorted Lists.javaMediumJava[]
107Merge Sorted Array II.javaN/AJava[]
108Merge Sorted Array.javaEasyJava[]
109Merge Two Binary Trees.javaEasyJava[]
110Merge Two Sorted Lists.javaEasyJava[]
111Middle of Linked List.javaN/AJava[]
112Minimum Absolute Difference in BST.javaEasyJava[BST]
113Minimum Height Trees.javaN/AJava[]
114Minimum Subarray.javaN/AJava[]
115MinimumDepthOfBinaryTree.javaEasyJava[]
116Missing Ranges.javaN/AJava[]
117Multiply Strings.javaMediumJava[]
118Next Permutation.javaMediumJava[]
119NQueens.javaN/AJava[]
120NQueensII.javaN/AJava[]
121Nth to Last Node in List.javaN/AJava[]
122Number Triangles.javaN/AJava[]
123O(1) Check Power of 2.javaN/AJava[]
124Paint Fence.javaN/AJava[]
125Palindrome Linked List.javaN/AJava[]
126Palindrome Partitioning.javaN/AJava[]
127Palindrome Permutation II.javaMediumJava[]
128Palindrome Permutation.javaEasyJava[]
129Partition Array by Odd and Even.javaN/AJava[]
130Partition Array.javaN/AJava[]
131Partition List.javaN/AJava[]
132Pascal's Triangle II.javaEasyJava[]
133Peeking Iterator.javaMediumJava[BST]
134Permutation Index.javaEasyJava[]
135Permutation Sequence.javaMediumJava[]
136Permutations II.javaMediumJava[]
137Permutations.javaMediumJava[]
138Populating Next Right Pointers in Each Node II.javaHardJava[]
139Product of Array Exclude Itself.javaN/AJava[]
140QuickSort.javaEasyJava[]
141Recover Rotated Sorted Array.javaN/AJava[]
142Rehashing.javaMediumJava[]
143Remove Duplicates from Sorted Array.javaEasyJava[]
144Remove Duplicates from Sorted List II.javaN/AJava[]
145Remove Duplicates from Sorted List.javaEasyJava[]
146Remove Duplicates from Unsorted List.javaN/AJava[]
147Remove Invalid Parentheses.javaHardJava[]
148Remove Linked List Elements.javaN/AJava[]
149Remove Node in Binary Search Tree.javaHardJava[BST]
150Reorder List.javaN/AJava[]
151Reshape the Matrix.javaEasyJava[]
152Restore IP Addresses.javaN/AJava[]
153Reverse Linked List II .javaN/AJava[]
154Reverse Linked List.javaEasyJava[]
155Reverse String.javaEasyJava[]
156Reverse Words in a String II.javaMediumJava[]
157Reverse Words in a String.javaMediumJava[]
158Roman to Integer.javaEasyJava[]
159Rotate Image.javaMediumJava[]
160Rotate List.javaN/AJava[]
161Rotate String.javaN/AJava[]
162Russian Doll Envelopes.javaN/AJava[]
163Search a 2D Matrix II.javaN/AJava[]
164Search a 2D Matrix.javaN/AJava[]
165Search for a Range.javaN/AJava[]
166Search Insert Position.javaN/AJava[]
167Search Range in Binary Search Tree .javaMediumJava[BST]
168Search Rotated in Sorted Array II.javaN/AJava[]
169Search Rotated in Sorted Array.javaHardJava[]
170Segment Tree Build II.javaMediumJava[]
171Segment Tree Build.javaMediumJava[]
172Segment Tree Modify.javaMediumJava[]
173Segment Tree Query II.javaMediumJava[]
174Segment Tree Query.javaMediumJava[]
175Serilization and Deserialization Of Binary Tree.javaN/AJava[]
176Shortest Word Distance.javaEasyJava[]
177Single Number II.javaN/AJava[]
178Single Number III.javaN/AJava[]
179Single Number.javaEasyJava[]
180Singleton.javaN/AJava[]
181Sliding Window Maximum.javaN/AJava[]
182Sort Color.javaN/AJava[]
183Sort Colors II.javaN/AJava[]
184Sort Letters by Case.javaN/AJava[]
185Sort List.javaN/AJava[]
186Space Replacement.javaN/AJava[]
187Stone Game.javaN/AJava[]
188String Permutation.javaEasyJava[]
189String to Integer(atoi).javaEasyJava[]
190Strobogrammatic Number II.javaMediumJava[]
191Strobogrammatic Number.javaEasyJava[]
192StrStr.javaN/AJava[]
193Subarray Sum Closest.javaMediumJava[]
194Subarray Sum.javaEasyJava[]
195Subset.javaMediumJava[]
196Subsets II.javaMediumJava[]
197Subtree.javaEasyJava[]
198Summary Ranges.javaN/AJava[]
199Symmetric Binary Tree.javaEasyJava[]
200The Smallest Difference.javaN/AJava[]
201Top K Frequent Elements.javaMediumJava[]
202Top K Frequent Words.javaMediumJava[]
203Topological Sorting.javaMediumJava[]
204Total Occurrence of Target.javaN/AJava[]
205Trailing Zeros.javaN/AJava[]
206Tweaked Identical Binary Tree.javaEasyJava[]
207Two Lists Sum.javaN/AJava[]
208Two Strings Are Anagrams.javaEasyJava[]
209Ugly Number II.javaN/AJava[]
210Ugly Number.javaMediumJava[]
211Unique Binary Search Tree II.javaMediumJava[BST]
212Unique Characters.javaN/AJava[]
213Unique Word Abbreviation.javaN/AJava[]
214Valid Palindrome.javaEasyJava[]
215Valid Parentheses.javaEasyJava[]
216Valid Sudoku.javaEasyJava[]
217Word Break.javaMediumJava[]
218Word Ladder II.javaHardJava[]
219Word Ladder.javaMediumJava[]
220Word Pattern.javaEasyJava[]
221Zigzag Iterator.javaMediumJava[BST]
222Find Anagram Mappings.javaEasyJava[Hash Table]
223Judge Route Circle.javaEasyJava[String]
224Island Perimeter.javaEasyJava[Hash Table]
225First Unique Character in a String.javaEasyJava[Hash Table, String]
226Power of Three.javaEasyJava[Math]
227Plus One.javaEasyJava[Array, Math]
228Power of Two.javaEasyJava[Bit Manipulation, Math]
229Reverse Vowels of a String.javaEasyJava[String, Two Pointers]
230Guess Number Higher or Lower.javaEasyJava[Binary Search]
231Encode and Decode TinyURL.javaMediumJava[Hash Table, Math]
232Wiggle Sort.javaMediumJava[Array, Sort]
233Queue Reconstruction by Height.javaMediumJava[Greedy]
2342 Sum.javaEasyJava[Array, Hash Table]
2352 Sum II - Input array is sorted.javaMediumJava[Array, Binary Search, Two Pointers]
2362 Sum II.javaMediumJava[Array, Binary Search, Two Pointers]
237Coin Change.javaMediumJava[DP, Memoization, Sequence DP]
238Maximum Product Subarray.javaMediumJava[Array, DP]
2393 Sum Closest.javaMediumJava[Array, Two Pointers]
240Triangle Count.javaMediumJava[Array]
2413 Sum.javaMediumJava[Array, Two Pointers]
2424 Sum.javaMediumJava[Hash Table]
243k Sum.javaHardJava[DP]
244Longest Increasing Subsequence.javaMediumJava[Binary Search, DP, Memoization, Sequence DP]
245Unique Binary Search Tree.javaMediumJava[BST, DP, Tree]
246Trim a Binary Search Tree.javaEasyJava[BST, Tree]
247Unique Paths II.javaMediumJava[Array, Coordinate DP, DP]
248Bomb Enemy.javaMediumJava[Coordinate DP, DP]
249House Robber.javaEasyJava[DP, Sequence DP]
250House Robber II.javaMediumJava[DP, Sequence DP]
251Best Time to Buy and Sell Stock I.javaEasyJava[Array, DP]
252Best Time to Buy and Sell Stock II.javaEasyJava[Array, Greedy]
253Best Time to Buy and Sell Stock III .javaHardJava[Array, DP]
254Best Time to Buy and Sell Stock IV.javaHardJava[DP]
255Paint House II.javaReviewJava[DP, Sequence DP]
2563 Sum Smaller.javaMediumJava[Array, Two Pointers]
257Array Partition I.javaEasyJava[Array]
2581-bit and 2-bit Characters.javaEasyJava[Array]
259Non-decreasing Array.javaEasyJava[Array]
260Max Consecutive Ones.javaEasyJava[Array]
261Find All Numbers Disappeared in an Array.javaEasyJava[Array]
262Maximum Average Subarray I.javaEasyJava[Array]
263Largest Number At Least Twice of Others.javaEasyJava[Array]
264Toeplitz Matrix.javaEasyJava[Array]
265Backpack.javaMediumJava[DP]
266Sum of Two Integers.javaEasyJava[Bit Manipulation]
267Swap Bits.javaEasyJava[Bit Manipulation]
268Update Bits.javaMediumJava[Bit Manipulation]
269Maximum XOR of Two Numbers in an Array.javaMediumJava[Bit Manipulation, Trie]
270Perfect Squares.javaMediumJava[BFS, DP, Math]
271Palindrome Partitioning II.javaHardJava[DP]
272Backpack V.javaMediumJava[DP]
273Backpack VI.javaMediumJava[DP]
274Copy Books.javaHardJava[Binary Search, DP]
275Valid Perfect Square.javaReviewJava[Binary Search, Math]
276Intersection of Two Arrays II.javaEasyJava[Binary Search, Hash Table, Sort, Two Pointers]
277Backpack II.javaMediumJava[DP]
278Backpack III.javaReviewJava[DP]
279Longest Palindromic Subsequence.javaMediumJava[DP]
280Scramble String.javaHardJava[DP, Range DP, String]
281Binary Search Tree Iterator.javaMediumJava[BST, Design, Stack, Tree]
282Flatten Nested List Iterator.javaMediumJava[Design, Stack]
283Best Time to Buy and Sell Stock with Cooldown.javaMediumJava[DP]
284Find Peak Element.javaMediumJava[Array, Binary Search]
285Longest Common Subsequence.javaMediumJava[DP, Double Sequence DP]
286Interleaving String.javaHardJava[DP, String]
287Letter Combinations of a Phone Number.javaMediumJava[Backtracking, String]
288Edit Distance.javaHardJava[DP, Double Sequence DP, String]
289Distinct Subsequences.javaHardJava[DP, String]
290Regular Expression Matching.javaReviewJava[Backtracking, DP, String]
291Majority Element.javaEasyJava[Array, Bit Manipulation, Divide and Conquer]
292Wildcard Matching.javaHardJava[Backtracking, DP, Greedy, String]
293Ones and Zeroes.javaHardJava[DP]
294Pow(x,n).javaMediumJava[Binary Search, Math]
295Word Break II.javaReviewJava[Backtracking, DP]
296Nested List Weight Sum.javaEasyJava[DFS]
297Same Tree.javaEasyJava[DFS, Tree]
298Convert Sorted Array to Binary Search Tree.javaEasyJava[DFS, Tree]
299Binary Tree Maximum Path Sum.javaReviewJava[DFS, Tree]
300Construct Binary Tree from Inorder and Preorder Traversal.javaMediumJava[Array, DFS, Tree]
301Path Sum.javaEasyJava[DFS, Tree]
302Add Binary.javaEasyJava[Math, String]
303Add Digits.javaEasyJava[Math]
304Add Two Numbers.javaMediumJava[Linked List, Math]
305Add Two Numbers II.javaMediumJava[Linked List]
306Balanced Binary Tree.javaMediumJava[DFS, Tree]
307Valid Anagram.javaEasyJava[Hash Table, Sort]
308Populating Next Right Pointers in Each Node.javaMediumJava[DFS, Tree]
309Validate Binary Search Tree.javaMediumJava[BST, DFS, Tree]
310Convert Sorted List to Binary Search Tree.javaMediumJava[DFS, Linked List]
311Flatten Binary Tree to Linked List.javaMediumJava[Binary Tree, DFS]
312Binary Tree Paths.javaEasyJava[Binary Tree, DFS]
313Minimum Size Subarray Sum.javaMediumJava[Array, Binary Search, Two Pointers]
314Clone Graph.javaMediumJava[BFS, DFS, Graph]
315Longest Substring Without Repeating Characters.javaMediumJava[Hash Table, String, Two Pointers]
316Minimum Window Substring.javaHardJava[Hash Table, String, Two Pointers]
317Linked List Cycle.javaEasyJava[Linked List, Two Pointers]
318Remove Nth Node From End of List.javaMediumJava[Linked List, Two Pointers]
319Longest Substring with At Most K Distinct Characters.javaMediumJava[Hash Table, String]
320Linked List Cycle II.javaMediumJava[Linked List, Two Pointers]
321Kth Smallest Number in Sorted Matrix.javaMediumJava[Binary Search, Heap]
322Find Minimum in Rotated Sorted Array.javaMediumJava[Array, Binary Search]
323Find Minimum in Rotated Sorted Array II.javaHardJava[Array, Binary Search]
324Connecting Graph.javaMediumJava[Union Find]
325Connecting Graph II.javaMediumJava[Union Find]
326Connecting Graph III.javaMediumJava[Union Find]
327Number of Islands.javaMediumJava[BFS, DFS, Union Find]
328Number of Islands II.javaHardJava[Union Find]
329Graph Valid Tree.javaMediumJava[BFS, DFS, Graph, Union Find]
330Surrounded Regions.javaReviewJava[BFS, DFS, Union Find]
331Implement Trie.javaMediumJava[Design, Trie]
332Add and Search Word.javaMediumJava[Backtracking, Design, Trie]
333Word Search II.javaHardJava[Backtracking, DFS, Trie]
334Word Search.javaMediumJava[Array, Backtracking]
335Word Squares.javaHardJava[Backtracking, Trie]
336Trapping Rain Water.javaHardJava[Array, Stack, Two Pointers]
337Trapping Rain Water II.javaHardJava[BFS, Heap]
338Data Stream Median.javaHardJava[Design, Heap]
339Sliding Window Median.javaHardJava[Design, Heap]
340Min Stack.javaEasyJava[Design, Stack]
341Implement Queue using Stacks.javaEasyJava[Design, Stack]
342Expression Expand.javaMediumJava[DFS, Divide and Conquer, Stack]
343Largest Rectangle in Histogram.javaHardJava[Array, Monotonous Stack, Stack]
344Max Tree.javaMediumJava[Stack, Tree]
345Reverse Integer.javaEasyJava[Math]
346Swap Nodes in Pairs.javaMediumJava[Linked List]
347Find Peak Element II.javaHardJava[Binary Search, DFS, Divide and Conquer]
348Sqrt(x).javaEasyJava[Binary Search, Math]
349First Bad Version.javaEasyJava[Binary Search]
350Wood Cut.javaMediumJava[Binary Search]
351Find the Duplicate Number.javaMediumJava[Array, Binary Search, Two Pointers]
352Palindrome Pairs.javaHardJava[Hash Table, String, Trie]
353Game of Life.javaMediumJava[Array]
354Maximum Average Subarray II.javaReviewJava[Array, Binary Search]
355Meeting Rooms.javaEasyJava[Sort, Sweep Line]
356Number of Airplane in the sky.javaMediumJava[Array, Interval, Sort, Sweep Line]
357Meeting Rooms II.javaMediumJava[Greedy, Heap, Sort, Sweep Line]
358Building Outline.javaReviewJava[Binary Indexed Tree, Divide and Conquer, Heap, Segment Tree, Sweep Line]
359Unique Path.javaMediumJava[Array, Coordinate DP, DP]
360Maximal Rectangle.javaHardJava[Array, DP, Hash Table, Stack]
361Maximal Square.javaMediumJava[Coordinate DP, DP]
362House Robber III.javaHardJava[DFS, DP, Status DP, Tree]
363Longest Increasing Path in a Matrix.javaHardJava[DFS, DP, Memoization, Topological Sort]
364Coins in a Line.javaMediumJava[DP, Game Theory, Greedy]
365Coins in a Line II.javaMediumJava[Array, DP, Game Theory, Memoization, MiniMax]
366Binary Tree Inorder Traversal.javaEasyJava[Hash Table, Stack, Tree]
367Path Sum II.javaEasyJava[DFS, Tree]
368Binary Tree Postorder Traversal.javaMediumJava[Stack, Tree, Two Stacks]
369Change to Anagram.javaEasyJava[String]
370Classical Binary Search.javaEasyJava[Binary Search]
371Climbing Stairs.javaEasyJava[DP, Memoization, Sequence DP]
372Coins in a Line III.javaHardJava[Array, DP, Game Theory, Interval DP, Memoization]
373Closest Binary Search Tree Value.javaEasyJava[BST, Binary Search, Tree]
374Compare Version Numbers.javaMediumJava[String]
375Count Complete Tree Nodes.javaMediumJava[Binary Search, Tree]
376Course Schedule.javaMediumJava[BFS, DFS, Graph, Topological Sort]
377Course Schedule II.javaMediumJava[BFS, DFS, Graph, Topological Sort]
378Alien Dictionary.javaHardJava[BFS, Backtracking, DFS, Graph, Topological Sort]
379Binary Tree Preorder Traversal.javaEasyJava[BFS, DFS, Stack, Tree]
380Closest Number in Sorted Array.javaEasyJava[Binary Search]
381Complete Binary Tree.javaEasyJava[BFS, DFS, Tree]
382Compare Strings.javaEasyJava[String]
383Contains Duplicate.javaEasyJava[Array, Hash Table]
384Contains Duplicate II.javaEasyJava[Array, Hash Table]
385Contains Duplicate III.javaMediumJava[BST]
386Burst Balloons.javaHardJava[DP, Divide and Conquer, Memoization, Range DP]
387Nim Game.javaEasyJava[Brainteaser, DP, Game Theory]
388Convert Integer A to Integer B.javaEasyJava[Bit Manipulation]
389Cosine Similarity.javaEasyJava[Basic Implementation]
390Count 1 in Binary.javaEasyJava[Bit Manipulation]
391Count and Say.javaEasyJava[Basic Implementation, String]
392One Edit Distance.javaMediumJava[String]
393K Edit Distance.javaHardJava[DP, Double Sequence DP, Trie]
394Jump Game.javaMediumJava[Array, DP, Greedy]
395Coin Change 2.javaMediumJava[DP, Sequence DP]
396Paint House.javaEasyJava[DP, Sequence DP]
397Decode Ways.javaMediumJava[DP, Partition DP, String]
398Longest Continuous Increasing Subsequence.javaEasyJava[Array, Coordinate DP, DP]
399Minimum Path Sum.javaMediumJava[Array, Coordinate DP, DP]
400Counting Bits.javaMediumJava[Bit Manipulation, Bitwise DP, DP]
401Continuous Subarray Sum.javaMediumJava[Coordinate DP, DP, Math]

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Java Solutions to problems on LintCode/LeetCode

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