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最新的list:
149 Max Points on a Line
15.3% Hard-baidu 1point3acres
126 Word Ladder II
15.9% Hard
564 Find the Closest Palindrome
17.3% Hard. .и
44 Wildcard Matching
21.7% Hard
185 Department Top Three Salaries
21.7% Hard
146 LRU Cache
22.0% Hard
30 Substring with Concatenation of All Words
22.5% Hard. ----
273 Integer to English Words.1point3acres
23.3% Hard
32 Longest Valid Parentheses
24.1% Hard
4 Median of Two Sorted Arrays
24.2% Hard. From 1point 3acres bbs
10 Regular Expression Matching
. 24.4% Hard
188 Best Time to Buy and Sell Stock IV
25.4% Hard. 1point3acres.com
140 Word Break II
25.7% Hard
132 Palindrome Partitioning II
25.9% Hard. 1point3acres
902 Numbers At Most N Given Digit Set
25.9% Hard
212 Word Search II
26.2% Hard
97 Interleaving String
26.3% Hard.
45 Jump Game II
26.4% Hard
460 LFU Cache
26.6% Hard
41 First Missing Positive
27.1% Hard
675 Cut Off Trees for Golf Event
27.7% Hard
124 Binary Tree Maximum Path Sum
28.3% Hard
269 Alien Dictionary
28.3% Hard
336 Palindrome Pairs
28.4% Hard ..
76 Minimum Window Substring
28.6% Hard
84 Largest Rectangle in Histogram
29.1% Hard. 1point3acres
57 Insert Interval
30.0% Hard
218 The Skyline Problem
30.1% Hard
224 Basic Calculator
30.3% Hard
381 Insert Delete GetRandom O(1) - Duplicates allowed
30.4% Hard. Χ
579 Find Cumulative Salary of an Employee
30.7% Hard
23 Merge k Sorted Lists
30.8% Hard
123 Best Time to Buy and Sell Stock III
31.8% Hard. 1point 3acres
472 Concatenated Words
32.2% Hard
295 Find Median from Data Stream
32.4% Hard.google и
99 Recover Binary Search Tree
32.7% Hard
642 Design Search Autocomplete System
32.8% Hard
25 Reverse Nodes in k-Group.--
33.8% Hard
403 Frog Jump
33.9% Hard
37 Sudoku Solver
34.0% Hard
72 Edit Distance
34.7% Hard
317 Shortest Distance from All Buildings
35.6% Hard
239 Sliding Window Maximum
35.7% Hard-baidu 1point3acres
51 N-Queens
35.8% Hard
315 Count of Smaller Numbers After Self
35.8% Hard. From 1point 3acres bbs
517 Super Washing Machines
36.4% Hard
502 IPO
36.7% Hard
588 Design In-Memory File System
36.7% Hard
798 Smallest Rotation with Highest Score
36.7% Hard
301 Remove Invalid Parentheses
37.0% Hard
297 Serialize and Deserialize Binary Tree
37.3% Hard
329 Longest Increasing Path in a Matrix
38.1% Hard
340 Longest Substring with At Most K Distinct Characters
38.5% Hard
128 Longest Consecutive Sequence
39.7% Hard
42 Trapping Rain Water
39.8% Hard
305 Number of Islands II.--
40.5% Hard
569 Median Employee Salary
41.1% Hard
899 Orderly Queue
42.9% Hard
711 Number of Distinct Islands II ..
43.7% Hard
159 Longest Substring with At Most Two Distinct Characters
44.2% Hard
312 Burst Balloons-baidu 1point3acres
44.8% Hard
296 Best Meeting Point
53.1% Hard
489 Robot Room Cleaner
56.0% Hard
8 String to Integer (atoi)
14.2% Medium
29 Divide Two Integers
15.7% Medium. 1point 3 acres
151 Reverse Words in a String
15.7% Medium. Χ
166 Fraction to Recurring Decimal
18.6% Medium
130 Surrounded Regions
21.1% Medium.
91 Decode Ways
21.2% Medium
127 Word Ladder
21.5% Medium
165 Compare Version Numbers
21.7% Medium
15 3Sum
22.3% Medium
163 Missing Ranges
22.8% Medium
177 Nth Highest Salary. ----
23.0% Medium
179 Largest Number
24.5% Medium. 1point 3 acres
98 Validate Binary Search Tree
24.6% Medium
184 Department Highest Salary
24.9% Medium
133 Clone Graph
25.1% Medium
3 Longest Substring Without Repeating Characters
25.2% Medium
5 Longest Palindromic Substring
25.6% Medium
61 Rotate List. 1point 3 acres
25.6% Medium
138 Copy List with Random Pointer
25.6% Medium
271 Encode and Decode Strings-baidu 1point3acres
25.8% Medium
909 Snakes and Ladders
25.9% Medium. 1point3acres.com
355 Design Twitter
26.3% Medium
50 Pow(x, n). check 1point3acres for more.
26.8% Medium
71 Simplify Path
27.3% Medium. ----
211 Add and Search Word - Data structure design
27.5% Medium
322 Coin Change
27.6% Medium. ----
152 Maximum Product Subarray
27.7% Medium. ----
353 Design Snake Game. ----
28.3% Medium
54 Spiral Matrix ..
28.5% Medium
143 Reorder List
28.5% Medium
.google и18 4Sum.google и
28.6% Medium
43 Multiply Strings. Χ
28.9% Medium
79 Word Search
29.2% Medium
2 Add Two Numbers
29.4% Medium
31 Next Permutation
29.4% Medium
93 Restore IP Addresses
29.7% Medium
. check 1point3acres for more.142 Linked List Cycle II
29.9% Medium
332 Reconstruct Itinerary
30.1% Medium
150 Evaluate Reverse Polish Notation
30.2% Medium-baidu 1point3acres
55 Jump Game
30.4% Medium
229 Majority Element II
30.4% Medium.google и
678 Valid Parenthesis String
30.4% Medium
60 Permutation Sequence
31.0% Medium
787 Cheapest Flights Within K Stops
31.3% Medium
221 Maximal Square
31.4% Medium
227 Basic Calculator II
31.5% Medium
333 Largest BST Subtree.google и
31.6% Medium
134 Gas Station
31.7% Medium
210 Course Schedule II
32.1% Medium
373 Find K Pairs with Smallest Sums
32.1% Medium. ----
33 Search in Rotated Sorted Array. Waral dи,
32.2% Medium
34 Find First and Last Position of Element in Sorted Array
32.2% Medium
148 Sort List
32.2% Medium ..
81 Search in Rotated Sorted Array II
32.4% Medium
. From 1point 3acres bbs801 Minimum Swaps To Make Sequences Increasing. Waral dи,
32.6% Medium
63 Unique Paths II
32.7% Medium
16 3Sum Closest
32.9% Medium
-baidu 1point3acres92 Reverse Linked List II
32.9% Medium
139 Word Break ..
32.9% Medium
236 Lowest Common Ancestor of a Binary Tree
32.9% Medium
545 Boundary of Binary Tree. Waral dи,
33.1% Medium
117 Populating Next Right Pointers in Each Node II
33.4% Medium
209 Minimum Size Subarray Sum
33.4% Medium. From 1point 3acres bbs
285 Inorder Successor in BST
33.4% Medium
56 Merge Intervals
33.5% Medium
19 Remove Nth Node From End of List
33.6% Medium
542 01 Matrix. From 1point 3acres bbs
33.6% Medium
842 Split Array into Fibonacci Sequence
33.7% Medium
228 Summary Ranges
34.0% Medium
186 Reverse Words in a String II
34.1% Medium
187 Repeated DNA Sequences
34.3% Medium
208 Implement Trie (Prefix Tree). Waral dи,
34.3% Medium
74 Search a 2D Matrix
34.4% Medium
396 Rotate Function.google и
34.4% Medium. 1point 3 acres
223 Rectangle Area
34.8% Medium. Waral dи,
277 Find the Celebrity
35.0% Medium
86 Partition List
35.1% Medium
207 Course Schedule
35.2% Medium. check 1point3acres for more.
658 Find K Closest Elements
35.2% Medium. ----
417 Pacific Atlantic Water Flow
35.6% Medium. From 1point 3acres bbs
433 Minimum Genetic Mutation
36.1% Medium. 1point3acres.com
775 Global and Local Inversions
36.1% Medium
106 Construct Binary Tree from Inorder and Postorder Traversal
36.3% Medium
742 Closest Leaf in a Binary Tree.
36.3% Medium.
663 Equal Tree Partition
36.4% Medium
116 Populating Next Right Pointers in Each Node
36.5% Medium
567 Permutation in String
36.6% Medium
622 Design Circular Queue
36.8% Medium
120 Triangle
36.9% Medium. 1point3acres.com
299 Bulls and Cows
37.3% Medium
105 Construct Binary Tree from Preorder and Inorder Traversal
37.4% Medium
284 Peeking Iterator. check 1point3acres for more.
37.5% Medium
73 Set Matrix Zeroes
37.9% Medium
109 Convert Sorted List to Binary Search Tree
37.9% Medium
113 Path Sum II
37.9% Medium
131 Palindrome Partitioning
37.9% Medium. 1point3acres
388 Longest Absolute File Path
38.1% Medium
450 Delete Node in a BST
38.1% Medium
200 Number of Islands
38.5% Medium
17 Letter Combinations of a Phone Number
38.6% Medium
518 Coin Change 2
38.8% Medium
103 Binary Tree Zigzag Level Order Traversal. .и
38.9% Medium
261 Graph Valid Tree
38.9% Medium
416 Partition Equal Subset Sum
38.9% Medium
640 Solve the Equation
38.9% Medium
314 Binary Tree Vertical Order Traversal
39.0% Medium
662 Maximum Width of Binary Tree
39.0% Medium
279 Perfect Squares
39.1% Medium
114 Flatten Binary Tree to Linked List
39.2% Medium
334 Increasing Triplet Subsequence. From 1point 3acres bbs
39.3% Medium
300 Longest Increasing Subsequence
39.4% Medium.google и
767 Reorganize String. ----
39.4% Medium
240 Search a 2D Matrix II
39.5% Medium. Χ
11 Container With Most Water
39.7% Medium
36 Valid Sudoku
39.9% Medium.1point3acres
129 Sum Root to Leaf Numbers
39.9% Medium
162 Find Peak Element
39.9% Medium
75 Sort Colors
40.2% Medium
785 Is Graph Bipartite?
40.2% Medium
560 Subarray Sum Equals K
40.3% Medium.google и
289 Game of Life
40.4% Medium
505 The Maze II
40.4% Medium. 1point3acres
253 Meeting Rooms II
40.5% Medium.
380 Insert Delete GetRandom O(1).1point3acres
40.8% Medium
435 Non-overlapping Intervals
41.0% Medium.--
652 Find Duplicate Subtrees
41.1% Medium. .и
738 Monotone Increasing Digits
41.1% Medium
24 Swap Nodes in Pairs. 1point 3acres
41.4% Medium
153 Find Minimum in Rotated Sorted Array
41.8% Medium
49 Group Anagrams. 1point3acres.com
42.1% Medium
251 Flatten 2D Vector
42.5% Medium
394 Decode String
42.5% Medium
298 Binary Tree Longest Consecutive Sequence
42.7% Medium
863 All Nodes Distance K in Binary Tree
42.9% Medium-baidu 1point3acres
536 Construct Binary Tree from String
43.0% Medium
692 Top K Frequent Words
43.0% Medium
259 3Sum Smaller
43.4% Medium
377 Combination Sum IV
43.4% Medium
64 Minimum Path Sum
43.5% Medium
215 Kth Largest Element in an Array
43.5% Medium
59 Spiral Matrix II
43.6% Medium. Χ
386 Lexicographical Numbers
43.6% Medium
96 Unique Binary Search Trees
43.7% Medium. Χ
325 Maximum Size Subarray Sum Equals k
43.7% Medium
89 Gray Code
43.9% Medium
449 Serialize and Deserialize BST
43.9% Medium ..
77 Combinations
44.0% Medium
516 Longest Palindromic Subsequence
44.0% Medium. Waral dи,
494 Target Sum
44.2% Medium.1point3acres
498 Diagonal Traverse ..
44.2% Medium
39 Combination Sum
44.3% Medium. 1point 3 acres
48 Rotate Image
44.6% Medium
729 My Calendar I. 1point 3acres
44.6% Medium
490 The Maze
44.7% Medium
62 Unique Paths
44.9% Medium-baidu 1point3acres
199 Binary Tree Right Side View
44.9% Medium
173 Binary Search Tree Iterator
45.0% Medium
341 Flatten Nested List Iterator.1point3acres
45.0% Medium
851 Loud and Rich.1point3acres
45.0% Medium
102 Binary Tree Level Order Traversal
45.2% Medium
392 Is Subsequence
45.2% Medium
636 Exclusive Time of Functions
46.2% Medium
287 Find the Duplicate Number
46.5% Medium. Χ
378 Kth Smallest Element in a Sorted Matrix
46.7% Medium
328 Odd Even Linked List
46.8% Medium
286 Walls and Gates
46.9% Medium
348 Design Tic-Tac-Toe
47.2% Medium
646 Maximum Length of Pair Chain
. .и47.3% Medium. 1point 3 acres
694 Number of Distinct Islands
47.3% Medium
725 Split Linked List in Parts
47.5% Medium
445 Add Two Numbers II
47.7% Medium
230 Kth Smallest Element in a BST
48.0% Medium
12 Integer to Roman
48.1% Medium
384 Shuffle an Array
48.4% Medium.
78 Subsets
48.5% Medium
454 4Sum II ..
48.5% Medium
503 Next Greater Element II
48.6% Medium
323 Number of Connected Components in an Undirected Graph
50.1% Medium. Waral dи,
529 Minesweeper. 1point3acres
50.4% Medium
776 Split BST. From 1point 3acres bbs
50.5% Medium
547 Friend Circles
50.8% Medium
22 Generate Parentheses
50.9% Medium
46 Permutations
50.9% Medium
347 Top K Frequent Elements
51.4% Medium.
238 Product of Array Except Self
52.2% Medium.1point3acres
94 Binary Tree Inorder Traversal.--
52.9% Medium
508 Most Frequent Subtree Sum
52.9% Medium
451 Sort Characters By Frequency
53.4% Medium
695 Max Area of Island. Χ
53.7% Medium. ----
413 Arithmetic Slices
54.5% Medium
647 Palindromic Substrings
54.5% Medium
553 Optimal Division
54.9% Medium
540 Single Element in a Sorted Array
56.2% Medium
739 Daily Temperatures
56.2% Medium
362 Design Hit Counter
56.5% Medium
406 Queue Reconstruction by Height
57.3% Medium
370 Range Addition
58.7% Medium
791 Custom Sort String
59.6% Medium
537 Complex Number Multiplication
64.3% Medium
763 Partition Labels
65.8% Medium
890 Find and Replace Pattern
68.7% Medium
535 Encode and Decode TinyURL. 1point3acres
74.5% Medium
7 Reverse Integer
24.5% Easy. 1point3acres
176 Second Highest Salary
24.7% Easy
193 Valid Phone Numbers
25.0% Easy
.google и189 Rotate Array
27.3% Easy
204 Count Primes
27.3% Easy
157 Read N Characters Given Read4. 1point 3 acres
27.9% Easy
414 Third Maximum Number
28.2% Easy
532 K-diff Pairs in an Array.1point3acres
28.6% Easy
125 Valid Palindrome
28.9% Easy
190 Reverse Bits
29.2% Easy
69 Sqrt(x)
29.7% Easy
28 Implement strStr()
30.2% Easy
160 Intersection of Two Linked Lists ..
30.8% Easy. Χ
14 Longest Common Prefix
32.1% Easy
687 Longest Univalue Path
32.6% Easy
596 Classes More Than 5 Students
33.3% Easy
88 Merge Sorted Array. 1point 3acres
33.6% Easy
. 1point 3acres 155 Min Stack
33.7% Easy.google и
111 Minimum Depth of Binary Tree
34.2% Easy
203 Remove Linked List Elements
34.4% Easy
234 Palindrome Linked List
34.4% Easy
141 Linked List Cycle
34.6% Easy
20 Valid Parentheses
. 1point 3 acres34.8% Easy
438 Find All Anagrams in a String
34.8% Easy
205 Isomorphic Strings
35.8% Easy
112 Path Sum
36.1% Easy
67 Add Binary
36.2% Easy
225 Implement Stack using Queues
36.3% Easy
26 Remove Duplicates from Sorted Array. 1point 3acres
38.1% Easy
643 Maximum Average Subarray I
38.1% Easy. 1point3acres.com
716 Max Stack. 1point 3acres
38.1% Easy
38 Count and Say. .и
38.2% Easy
459 Repeated Substring Pattern. 1point3acres
38.7% Easy
703 Kth Largest Element in a Stream
39.0% Easy.
1 Two Sum
39.1% Easy
482 License Key Formatting
39.1% Easy. .и
9 Palindrome Number
39.2% Easy
110 Balanced Binary Tree. .и
39.5% Easy
645 Set Mismatch
39.9% Easy
35 Search Insert Position
40.0% Easy
66 Plus One. Waral dи,
40.0% Easy
263 Ugly Number. 1point3acres.com
40.0% Easy
232 Implement Queue using Stacks
40.2% Easy
119 Pascal's Triangle II
40.3% Easy
198 House Robber
40.4% Easy
.google и572 Subtree of Another Tree
40.4% Easy. check 1point3acres for more.
191 Number of 1 Bits
40.9% Easy
83 Remove Duplicates from Sorted List
41.1% Easy
231 Power of Two.
41.2% Easy
53 Maximum Subarray
41.6% Easy
101 Symmetric Tree
41.7% Easy
819 Most Common Word
41.7% Easy
235 Lowest Common Ancestor of a Binary Search Tree
41.8% Easy
270 Closest Binary Search Tree Value. ----
42.0% Easy
70 Climbing Stairs
42.2% Easy.
27 Remove Element
42.3% Easy
181 Employees Earning More Than Their Managers
42.3% Easy
118 Pascal's Triangle
42.6% Easy.1point3acres
202 Happy Number. 1point 3 acres
43.1% Easy
257 Binary Tree Paths
43.6% Easy
21 Merge Two Sorted Lists
43.7% Easy
107 Binary Tree Level Order Traversal II
44.2% Easy
746 Min Cost Climbing Stairs
44.3% Easy
836 Rectangle Overlap. ----
44.4% Easy
121 Best Time to Buy and Sell Stock
44.8% Easy
628 Maximum Product of Three Numbers
44.8% Easy
350 Intersection of Two Arrays II
. 45.3% Easy
543 Diameter of Binary Tree
45.3% Easy. ----
175 Combine Two Tables
46.1% Easy
268 Missing Number
46.4% Easy
409 Longest Palindrome
46.6% Easy
661 Image Smoother
47.1% Easy
108 Convert Sorted Array to Binary Search Tree. Χ
47.2% Easy
167 Two Sum II - Input array is sorted
47.8% Easy
387 First Unique Character in a String
47.8% Easy
733 Flood Fill
48.2% Easy
783 Minimum Distance Between BST Nodes
48.5% Easy
100 Same Tree
48.6% Easy
796 Rotate String.1point3acres
48.7% Easy
538 Convert BST to Greater Tree ..
48.9% Easy
217 Contains Duplicate
49.2% Easy
242 Valid Anagram
49.3% Easy
860 Lemonade Change
49.3% Easy
122 Best Time to Buy and Sell Stock II
49.6% Easy
13 Roman to Integer
49.9% Easy
169 Majority Element. ----
49.9% Easy
237 Delete Node in a Linked List
49.9% Easy
171 Excel Sheet Column Number
50.0% Easy
252 Meeting Rooms. ----
50.1% Easy
206 Reverse Linked List. Waral dи,
50.2% Easy
606 Construct String from Binary Tree
50.5% Easy. 1point 3 acres
349 Intersection of Two Arrays
50.6% Easy
371 Sum of Two Integers. 1point 3acres
51.0% Easy
653 Two Sum IV - Input is a BST
51.0% Easy
448 Find All Numbers Disappeared in an Array
51.6% Easy. check 1point3acres for more.
690 Employee Importance. 1point3acres.com
52.0% Easy
258 Add Digits. Waral dи,
52.8% Easy
485 Max Consecutive Ones
53.8% Easy
226 Invert Binary Tree
55.5% Easy
762 Prime Number of Set Bits in Binary Representation
56.4% Easy
637 Average of Levels in Binary Tree
56.9% Easy
496 Next Greater Element I
57.3% Easy
104 Maximum Depth of Binary Tree
57.4% Easy
136 Single Number
57.4% Easy
412 Fizz Buzz
58.0% Easy
669 Trim a Binary Search Tree
58.7% Easy
266 Palindrome Permutation.--
58.9% Easy
463 Island Perimeter
58.9% Easy
682 Baseball Game
58.9% Easy
344 Reverse String-baidu 1point3acres
61.7% Easy
346 Moving Average from Data Stream. 1point3acres
62.8% Easy
617 Merge Two Binary Trees
67.9% Easy
657 Robot Return to Origin
69.4% Easy
461 Hamming Distance
69.5% Easy. Χ
771 Jewels and Stones
81.6% Easy
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