LintCode题解
Introduction
Dynamic Programming
BackPack
Backpack I 92
Backpack II 125
Backpack III 440
Backpack IV 562
Backpack V 563
Backpack VI 564
House Robber 392
House Robber II 534
House Robber III 535
Paint Fence 514
Paint House 515
Paint House II 516
Coins in a Line 394
Coins in a Line II 395
Coins in a Line III 396
Longest Increasing Continuous Subsequence 397
Longest Increasing Continuous subsequence II 398
Maximal Square
Maximal Rectangle 510
Unique Binary Search Trees 163
Unique Binary Search Trees II 164
Unique Paths 114
Unique Paths II 115
Build Post Office 573
Build Post Office II 574
Post Office Problem 435
Perfect Squares 513
Longest Palindromic Substring 200
Stone Game 476
Bomb Enemy 553
Burst Balloons 168
Scramble String 430
Copy Books 437
Maximum Gap 400
Longest Common Subsequence 77
Interleaving String 29
Edit Distance 119
Distinct Subsequences 118
Dices Sum 20
Maximum Subarray III 43
Best Time to Buy and Sell Stock IV 393
k Sum 89
Minimum Adjustment Cost 91
Binary Tree Maximum Path Sum 94
Word Break 107
Palindrome Partitioning II 108
Triangle 109
Minimum Path Sum 110
Climbing Stairs 111
Jump Game 116
Jump Game II 117
Maximum Product Subarray 191
Wildcard Matching 192
Decode Ways 512
Regular Expression Matching 154
Longest Valid Parentheses 32(LeetCode)
Search\/Recursion\/Backtracking
Divide and Conquer
Fast Power 140
Median of two Sorted Arrays 65
Maximum Depth of Binary Tree 97
Balanced Binary Tree 93
Pow(x, n) 428
Find Minimum in Rotated Sorted Array II 160
Merge k Sorted Lists 104
DFS
Nested List Weight Sum 551
Route Between Two Nodes in Graph 176
Recursion
Print Numbers by Recursion 371
Restore IP Addresses 426
Generate Parentheses 427
Letter Combinations of a Phone Number 425
Backtracking
Word Search 123
Word Ladder II 121
Combination Sum 135
Combination Sum II 153
Combinations 152
Binary Search
Search in Rotated Sorted Array 62
Search in Rotated Sorted Array II 63
Search for a Range 61
Search Insert Position 60
BFS
Word Ladder 120
Number of Islands 433
Data Structure
Tree
Heap
Top k largest numbers II 545
Kth Smallest Number in Sorted Matrix 401
Super Ugly Number 518
Kth Largest in N Arrays 543
Kth Smallest Sum In Two Sorted Arrays 465
Trapping Rain Water II 364
Building Outline 131
Sliding Window Median 360
Priority Queue
Ugly Number II 4
Data Stream Median 81
Trie
Word Search II 132
Implement Trie 442
Add and Search Word 473
Binary Tree
Subtree 245
Flatten Binary Tree to Linked List 453
Binary Tree Paths 480
Binary Tree Maximum Path Sum II 475
Union Find
Graph Valid Tree 178
Surrounded Regions 477
Number of Islands 433
Find the Connected Component in the Undirected Graph 431
Find the Weak Connected Component in the Directed Graph 432
Number of Islands II 434
Binary Search Tree
Validate Binary Search Tree 95
Insert Node in a Binary Search Tree 85
Search Range in Binary Search Tree 11
Binary Search Tree Iterator 86
Remove Node in Binary Search Tree 87
Inorder Successor in BST
Segment Tree
Segment Tree Build 201
Segment Tree Build II 439
Segment Tree Query 202
Segment Tree Query II 247
Segment Tree Modify 203
Interval Minimum Number 205
Interval Sum 206
Interval Sum II 207
Count of Smaller Number before itself 249
Linear
Array
Median 80
Remove Duplicates from Sorted Array 100
Merge Intervals 156
First Missing Positive 189
Partition Array by Odd and Even 373
Trapping Rain Water 363
Move Zeroes 539
Spiral Matrix 374
Spiral Matrix II 381
Plus One 407
Container With Most Water 383
The Smallest Difference 387
Permutation Sequence 388
Number of Airplanes in the Sky 391
Minimum Size Subarray Sum 406
Wiggle Sort 508
Reverse Pairs 532
Load Balancer 526
Candy 412
Merge k sorted Arrays 486
Continuous Subarray Sum 402
Continuous Subarray Sum II 403
Largest Rectangle in Histogram 122
Rotate Array (LeetCode) 189
Linked List
Swap Two Nodes in Linked List 511
Intersection of Two Linked Lists 380
Reverse Nodes in k-Group 450
Stack
Flatten Nested List Iterator 528
Valid Parentheses 423
Evaluate Reverse Polish Notation 424
Simplify Path 421
Max Tree 126
Expression Tree Build 367
Mock Hanoi Tower by Stacks 227
Hash Table
Happy Number 488
Intersection of Two Arrays 547
Intersection of Two Arrays II 548
Minimum Window Substring 32
Max Points on a Line 186
Longest Substring Without Repeating Characters 384
Substring with Concatenation of All Words 30(LeetCode)
Group Anagrams 49 （LeetCode）
Contains Duplicate (LeetCode) 217
Contains Duplicate II (LetCode) 219
Contains Duplicate III (LeetCode) 220
Deque
Sliding Window Maximum 362
Matrix
Matrix Zigzag Traversal 185
Valid Sudoku 389
Rotate Image 161
Search a 2D Matrix II 38
Set Matrix Zeroes 162
Sliding Window Matrix Maximum 558
Submatrix Sum 405
Find Peak Element II 390
Sudoku Solver 37 (LeetCode)
Max Tree 126
Top K Frequent Words 471
Implement Stack 495
Implement stack by two queues 494
Implement Queue by Linked List II 493
Implement Queue by Linked List 492
Stack Sorting 229
Animal Shelter 230
LFU Chache 24
LRU Cache 134
Graph & Search
Clone Graph 137
Copy List with Random Pointer 105
Topological Sorting 127
Permutations 15
Permutations 16
Subsets 17
Subsets II 18
N-Queens 33
N-Queens II 34
Palindrome Partitioning 136
String Permutation II 10
k Sum II 90
Two Pointers
Two Sum II 443
Remove Element 172
Triangle Count 382
Valid Palindrome 415
Linked List Cycle II 103
Longest Substring with At Most K Distinct Characters 386
Subarray Sum II 404
4 Sum
Remove Nth Node From End of List 174
Sort
Quick Sort
Nuts & Bolts Problem 399
Kth Largest Element 5
Wiggle Sort II 507
Largest Number 184
Sort Integers II 464
Bit Manipulation
A + B Problem 1
Count 1 in Binary 365
O(1) Check Power of 2 142
Flip Bits 181
Update Bits 179
Binary Representation 180
Divide Two Integers 414
Gray Code 411
Bitwise AND of Numbers Range (LeetCode) 201
Permutation
Permutation Index 197
Permutation Index II 198
Next Permutation 52
Next Permutation II 190
Previous Permutation 51
Greedy
Delete Digits 182
Find the Missing Number 196
Gas Station 187
String
Roman to Integer 419
Integer to Roman 418
Length of Last Word 422
Space Replacement 212
Two Strings Are Anagrams 158
String to Integer (Leetcode 8)
strStr 13
Multiply Strings 43 (LeetCode)
Enumeration
Digit Counts 3
Longest Common Prefix 78
Longest Words 133
Fizz Buzz 9
Mathematics
Ugly Number 517
ZigZag Conversion (LeetCode 6)
Palindrome Number (Leetcode 9)
Count Primes (LeetCode) 204
Rectangle Area (LeetCode) 223
Others
Google
Zigzag Iterator 540
Zigzag Iterator II 541
Insert Interval 30
FaceBook
Add Binary 408
Count and Say 420
No Tag
Left Pad 524
Reverse Integer 413
Cosine Similarity 445
Word Count (Map Reduce) 499
Product of Array Exclude Itself 50
Shape Factory 497
Toy Factory 496
Singleton 204
其他问题
Use Dynamic Circulate Array to Implement Deque
Random Generator
Array Monotonic
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Longest Palindromic Substring 200 中心展开法O(n)实现
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