Leetcode题解

ID Title Acceptance Difficulty Editorial
1 Two Sum 39.0% Easy 不日更新
2 Add Two Numbers 29.3% Medium 不日更新
3 Longest Substring Without Repeating Characters 25.1% Medium 不日更新
4 Median of Two Sorted Arrays 24.1% Hard 不日更新
5 Longest Palindromic Substring 25.6% Medium 不日更新
6 ZigZag Conversion 28.9% Medium 不日更新
7 Reverse Integer 24.5% Easy 不日更新
8 String to Integer (atoi) 14.2% Medium 不日更新
9 Palindrome Number 39.0% Easy 不日更新
10 Regular Expression Matching 24.4% Hard 不日更新
11 Container With Most Water 39.5% Medium 不日更新
12 Integer to Roman 48.0% Medium 不日更新
13 Roman to Integer 49.8% Easy 不日更新
14 Longest Common Prefix 32.1% Easy 不日更新
15 3Sum 22.2% Medium 不日更新
16 3Sum Closest 32.8% Medium 不日更新
17 Letter Combinations of a Phone Number 38.5% Medium 不日更新
18 4Sum 28.5% Medium 不日更新
19 Remove Nth Node From End of List 33.6% Medium 不日更新
20 Valid Parentheses 34.8% Easy 不日更新
21 Merge Two Sorted Lists 43.6% Easy 不日更新
22 Generate Parentheses 50.7% Medium 不日更新
23 Merge k Sorted Lists 30.7% Hard 不日更新
24 Swap Nodes in Pairs 41.3% Medium 不日更新
25 Reverse Nodes in k-Group 33.7% Hard 不日更新
26 Remove Duplicates from Sorted Array 38.1% Easy 不日更新
27 Remove Element 42.2% Easy 不日更新
28 Implement strStr() 30.2% Easy 不日更新
29 Divide Two Integers 15.7% Medium 不日更新
30 Substring with Concatenation of All Words 22.5% Hard 不日更新
31 Next Permutation 29.3% Medium 不日更新
32 Longest Valid Parentheses 24.0% Hard 不日更新
33 Search in Rotated Sorted Array 32.1% Medium 不日更新
34 Find First and Last Position of Element in Sorted Array 32.1% Medium 不日更新
35 Search Insert Position 40.0% Easy 不日更新
36 Valid Sudoku 39.8% Medium 不日更新
37 Sudoku Solver 33.9% Hard 不日更新
38 Count and Say 38.1% Easy 不日更新
39 Combination Sum 44.2% Medium 不日更新
40 Combination Sum II 38.2% Medium 不日更新
41 First Missing Positive 27.0% Hard 不日更新
42 Trapping Rain Water 39.7% Hard 不日更新
43 Multiply Strings 28.9% Medium 不日更新
44 Wildcard Matching 21.7% Hard 不日更新
45 Jump Game II 26.4% Hard 不日更新
46 Permutations 50.7% Medium 不日更新
47 Permutations II 37.3% Medium 不日更新
48 Rotate Image 44.5% Medium 不日更新
49 Group Anagrams 41.9% Medium 不日更新
50 Pow(x, n) 26.7% Medium 不日更新
51 N-Queens 35.7% Hard 不日更新
52 N-Queens II 49.0% Hard 不日更新
53 Maximum Subarray 41.5% Easy 不日更新
54 Spiral Matrix 28.5% Medium 不日更新
55 Jump Game 30.4% Medium 不日更新
56 Merge Intervals 33.4% Medium 不日更新
57 Insert Interval 29.9% Hard 不日更新
58 Length of Last Word 32.0% Easy 不日更新
59 Spiral Matrix II 43.5% Medium 不日更新
60 Permutation Sequence 31.0% Medium 不日更新
61 Rotate List 25.6% Medium 不日更新
62 Unique Paths 44.8% Medium 不日更新
63 Unique Paths II 32.7% Medium 不日更新
64 Minimum Path Sum 43.4% Medium 不日更新
65 Valid Number 13.3% Hard 不日更新
66 Plus One 40.0% Easy 不日更新
67 Add Binary 36.1% Easy 不日更新
68 Text Justification 21.3% Hard 不日更新
69 Sqrt(x) 29.6% Easy 不日更新
70 Climbing Stairs 42.2% Easy 不日更新
71 Simplify Path 27.2% Medium 不日更新
72 Edit Distance 34.6% Hard 不日更新
73 Set Matrix Zeroes 37.9% Medium 不日更新
74 Search a 2D Matrix 34.4% Medium 不日更新
75 Sort Colors 40.2% Medium 不日更新
76 Minimum Window Substring 28.5% Hard 不日更新
77 Combinations 43.9% Medium 不日更新
78 Subsets 48.3% Medium 不日更新
79 Word Search 29.2% Medium 不日更新
80 Remove Duplicates from Sorted Array II 38.4% Medium 不日更新
81 Search in Rotated Sorted Array II 32.4% Medium 不日更新
82 Remove Duplicates from Sorted List II 31.2% Medium 不日更新
83 Remove Duplicates from Sorted List 41.0% Easy 不日更新
84 Largest Rectangle in Histogram 29.0% Hard 不日更新
85 Maximal Rectangle 31.1% Hard 不日更新
86 Partition List 35.0% Medium 不日更新
87 Scramble String 30.4% Hard 不日更新
88 Merge Sorted Array 33.6% Easy 不日更新
89 Gray Code 43.9% Medium 不日更新
90 Subsets II 40.1% Medium 不日更新
91 Decode Ways 21.1% Medium 不日更新
92 Reverse Linked List II 32.8% Medium 不日更新
93 Restore IP Addresses 29.6% Medium 不日更新
94 Binary Tree Inorder Traversal 52.8% Medium 不日更新
95 Unique Binary Search Trees II 33.5% Medium 不日更新
96 Unique Binary Search Trees 43.6% Medium 不日更新
97 Interleaving String 26.3% Hard 不日更新
98 Validate Binary Search Tree 24.5% Medium 不日更新
99 Recover Binary Search Tree 32.6% Hard 不日更新
100 Same Tree 48.6% Easy 不日更新
101 Symmetric Tree 41.6% Easy 不日更新
102 Binary Tree Level Order Traversal 45.1% Medium 不日更新
103 Binary Tree Zigzag Level Order Traversal 38.8% Medium 不日更新
104 Maximum Depth of Binary Tree 57.3% Easy 不日更新
105 Construct Binary Tree from Preorder and Inorder Traversal 37.2% Medium 不日更新
106 Construct Binary Tree from Inorder and Postorder Traversal 36.2% Medium 不日更新
107 Binary Tree Level Order Traversal II 44.1% Easy 不日更新
108 Convert Sorted Array to Binary Search Tree 47.1% Easy 不日更新
109 Convert Sorted List to Binary Search Tree 37.8% Medium 不日更新
110 Balanced Binary Tree 39.4% Easy 不日更新
111 Minimum Depth of Binary Tree 34.2% Easy 不日更新
112 Path Sum 36.0% Easy 不日更新
113 Path Sum II 37.8% Medium 不日更新
114 Flatten Binary Tree to Linked List 39.0% Medium 不日更新
115 Distinct Subsequences 33.5% Hard 不日更新
116 Populating Next Right Pointers in Each Node 36.5% Medium 不日更新
117 Populating Next Right Pointers in Each Node II 33.5% Medium 不日更新
118 Pascal's Triangle 42.5% Easy 不日更新
119 Pascal's Triangle II 40.2% Easy 不日更新
120 Triangle 36.8% Medium 不日更新
121 Best Time to Buy and Sell Stock 44.7% Easy 不日更新
122 Best Time to Buy and Sell Stock II 49.5% Easy 不日更新
123 Best Time to Buy and Sell Stock III 31.7% Hard 不日更新
124 Binary Tree Maximum Path Sum 28.2% Hard 不日更新
125 Valid Palindrome 28.8% Easy 不日更新
126 Word Ladder II 15.9% Hard 不日更新
127 Word Ladder 21.4% Medium 不日更新
128 Longest Consecutive Sequence 39.6% Hard 不日更新
129 Sum Root to Leaf Numbers 39.8% Medium 不日更新
130 Surrounded Regions 21.0% Medium 不日更新
131 Palindrome Partitioning 37.8% Medium 不日更新
132 Palindrome Partitioning II 25.9% Hard 不日更新
133 Clone Graph 25.1% Medium 不日更新
134 Gas Station 31.6% Medium 不日更新
135 Candy 26.5% Hard 不日更新
136 Single Number 57.3% Easy 不日更新
137 Single Number II 44.1% Medium 不日更新
138 Copy List with Random Pointer 25.6% Medium 不日更新
139 Word Break 32.9% Medium 不日更新
140 Word Break II 25.6% Hard 不日更新
141 Linked List Cycle 34.6% Easy 不日更新
142 Linked List Cycle II 29.9% Medium 不日更新
143 Reorder List 28.4% Medium 不日更新
144 Binary Tree Preorder Traversal 48.8% Medium 不日更新
145 Binary Tree Postorder Traversal 44.9% Hard 不日更新
146 LRU Cache 21.9% Hard 不日更新
147 Insertion Sort List 35.2% Medium 不日更新
148 Sort List 32.1% Medium 不日更新
149 Max Points on a Line 15.3% Hard 不日更新
150 Evaluate Reverse Polish Notation 30.1% Medium 不日更新
151 Reverse Words in a String 15.7% Medium 不日更新
152 Maximum Product Subarray 27.7% Medium 不日更新
153 Find Minimum in Rotated Sorted Array 41.7% Medium 不日更新
154 Find Minimum in Rotated Sorted Array II 38.5% Hard 不日更新
155 Min Stack 33.6% Easy 不日更新
156 Binary Tree Upside Down 48.1% Medium 不日更新
157 Read N Characters Given Read4 28.0% Easy 不日更新
158 Read N Characters Given Read4 II - Call multiple times 24.3% Hard 不日更新
159 Longest Substring with At Most Two Distinct Characters 44.1% Hard 不日更新
160 Intersection of Two Linked Lists 30.8% Easy 不日更新
161 One Edit Distance 31.3% Medium 不日更新
162 Find Peak Element 39.9% Medium 不日更新
163 Missing Ranges 22.8% Medium 不日更新
164 Maximum Gap 31.0% Hard 不日更新
165 Compare Version Numbers 21.7% Medium 不日更新
166 Fraction to Recurring Decimal 18.6% Medium 不日更新
167 Two Sum II - Input array is sorted 47.8% Easy 不日更新
168 Excel Sheet Column Title 28.0% Easy 不日更新
169 Majority Element 49.8% Easy 不日更新
170 Two Sum III - Data structure design 28.1% Easy 不日更新
171 Excel Sheet Column Number 49.9% Easy 不日更新
172 Factorial Trailing Zeroes 36.9% Easy 不日更新
173 Binary Search Tree Iterator 44.9% Medium 不日更新
174 Dungeon Game 25.4% Hard 不日更新
175 Combine Two Tables 45.9% Easy 不日更新
176 Second Highest Salary 24.6% Easy 不日更新
177 Nth Highest Salary 22.9% Medium 不日更新
178 Rank Scores 32.2% Medium 不日更新
179 Largest Number 24.4% Medium 不日更新
180 Consecutive Numbers 30.0% Medium 不日更新
181 Employees Earning More Than Their Managers 42.2% Easy 不日更新
182 Duplicate Emails 49.5% Easy 不日更新
183 Customers Who Never Order 40.0% Easy 不日更新
184 Department Highest Salary 24.7% Medium 不日更新
185 Department Top Three Salaries 21.6% Hard 不日更新
186 Reverse Words in a String II 33.9% Medium 不日更新
187 Repeated DNA Sequences 34.3% Medium 不日更新
188 Best Time to Buy and Sell Stock IV 25.4% Hard 不日更新
189 Rotate Array 27.3% Easy 不日更新
190 Reverse Bits 29.2% Easy 不日更新
191 Number of 1 Bits 40.9% Easy 不日更新
192 Word Frequency 26.4% Medium 不日更新
193 Valid Phone Numbers 25.1% Easy 不日更新
194 Transpose File 22.0% Medium 不日更新
195 Tenth Line 34.0% Easy 不日更新
196 Delete Duplicate Emails 28.1% Easy 不日更新
197 Rising Temperature 32.3% Easy 不日更新
198 House Robber 40.4% Easy 不日更新
199 Binary Tree Right Side View 44.7% Medium 不日更新
200 Number of Islands 38.3% Medium 不日更新
201 Bitwise AND of Numbers Range 35.0% Medium 不日更新
202 Happy Number 43.0% Easy 不日更新
203 Remove Linked List Elements 34.4% Easy 不日更新
204 Count Primes 27.2% Easy 不日更新
205 Isomorphic Strings 35.7% Easy 不日更新
206 Reverse Linked List 50.1% Easy 不日更新
207 Course Schedule 35.1% Medium 不日更新
208 Implement Trie (Prefix Tree) 34.2% Medium 不日更新
209 Minimum Size Subarray Sum 33.3% Medium 不日更新
210 Course Schedule II 32.0% Medium 不日更新
211 Add and Search Word - Data structure design 27.4% Medium 不日更新
212 Word Search II 26.1% Hard 不日更新
213 House Robber II 34.7% Medium 不日更新
214 Shortest Palindrome 26.1% Hard 不日更新
215 Kth Largest Element in an Array 43.4% Medium 不日更新
216 Combination Sum III 49.0% Medium 不日更新
217 Contains Duplicate 49.2% Easy 不日更新
218 The Skyline Problem 30.1% Hard 不日更新
219 Contains Duplicate II 33.8% Easy 不日更新
220 Contains Duplicate III 19.0% Medium 不日更新
221 Maximal Square 31.3% Medium 不日更新
222 Count Complete Tree Nodes 29.0% Medium 不日更新
223 Rectangle Area 34.8% Medium 不日更新
224 Basic Calculator 30.2% Hard 不日更新
225 Implement Stack using Queues 36.2% Easy 不日更新
226 Invert Binary Tree 55.4% Easy 不日更新
227 Basic Calculator II 31.4% Medium 不日更新
228 Summary Ranges 33.9% Medium 不日更新
229 Majority Element II 30.4% Medium 不日更新
230 Kth Smallest Element in a BST 47.9% Medium 不日更新
231 Power of Two 41.2% Easy 不日更新
232 Implement Queue using Stacks 40.1% Easy 不日更新
233 Number of Digit One 29.4% Hard 不日更新
234 Palindrome Linked List 34.3% Easy 不日更新
235 Lowest Common Ancestor of a Binary Search Tree 41.7% Easy 不日更新
236 Lowest Common Ancestor of a Binary Tree 32.7% Medium 不日更新
237 Delete Node in a Linked List 49.8% Easy 不日更新
238 Product of Array Except Self 52.1% Medium 不日更新
239 Sliding Window Maximum 35.6% Hard 不日更新
240 Search a 2D Matrix II 39.5% Medium 不日更新
241 Different Ways to Add Parentheses 47.7% Medium 不日更新
242 Valid Anagram 49.2% Easy 不日更新
243 Shortest Word Distance 55.0% Easy 不日更新
244 Shortest Word Distance II 43.7% Medium 不日更新
245 Shortest Word Distance III 52.0% Medium 不日更新
246 Strobogrammatic Number 40.9% Easy 不日更新
247 Strobogrammatic Number II 42.2% Medium 不日更新
248 Strobogrammatic Number III 33.8% Hard 不日更新
249 Group Shifted Strings 46.5% Medium 不日更新
250 Count Univalue Subtrees 46.0% Medium 不日更新
251 Flatten 2D Vector 42.4% Medium 不日更新
252 Meeting Rooms 50.0% Easy 不日更新
253 Meeting Rooms II 40.4% Medium 不日更新
254 Factor Combinations 43.7% Medium 不日更新
255 Verify Preorder Sequence in Binary Search Tree 41.9% Medium 不日更新
256 Paint House 47.2% Easy 不日更新
257 Binary Tree Paths 43.4% Easy 不日更新
258 Add Digits 52.8% Easy 不日更新
259 3Sum Smaller 43.3% Medium 不日更新
260 Single Number III 54.9% Medium 不日更新
261 Graph Valid Tree 38.9% Medium 不日更新
262 Trips and Users 21.5% Hard 不日更新
263 Ugly Number 40.0% Easy 不日更新
264 Ugly Number II 34.4% Medium 不日更新
265 Paint House II 39.7% Hard 不日更新
266 Palindrome Permutation 58.8% Easy 不日更新
267 Palindrome Permutation II 32.5% Medium 不日更新
268 Missing Number 46.3% Easy 不日更新
269 Alien Dictionary 28.1% Hard 不日更新
270 Closest Binary Search Tree Value 41.9% Easy 不日更新
271 Encode and Decode Strings 25.8% Medium 不日更新
272 Closest Binary Search Tree Value II 42.1% Hard 不日更新
273 Integer to English Words 23.2% Hard 不日更新
274 H-Index 34.2% Medium 不日更新
275 H-Index II 35.0% Medium 不日更新
276 Paint Fence 35.5% Easy 不日更新
277 Find the Celebrity 35.1% Medium 不日更新
278 First Bad Version 27.4% Easy 不日更新
279 Perfect Squares 39.0% Medium 不日更新
280 Wiggle Sort 59.6% Medium 不日更新
281 Zigzag Iterator 54.2% Medium 不日更新
282 Expression Add Operators 31.3% Hard 不日更新
283 Move Zeroes 52.5% Easy 不日更新
284 Peeking Iterator 37.4% Medium 不日更新
285 Inorder Successor in BST 33.5% Medium 不日更新
286 Walls and Gates 46.8% Medium 不日更新
287 Find the Duplicate Number 46.4% Medium 不日更新
288 Unique Word Abbreviation 18.9% Medium 不日更新
289 Game of Life 40.3% Medium 不日更新
290 Word Pattern 34.0% Easy 不日更新
291 Word Pattern II 39.2% Hard 不日更新
292 Nim Game 55.4% Easy 不日更新
293 Flip Game 57.9% Easy 不日更新
294 Flip Game II 47.3% Medium 不日更新
295 Find Median from Data Stream 32.2% Hard 不日更新
296 Best Meeting Point 53.1% Hard 不日更新
297 Serialize and Deserialize Binary Tree 37.2% Hard 不日更新
298 Binary Tree Longest Consecutive Sequence 42.6% Medium 不日更新
299 Bulls and Cows 37.2% Medium 不日更新
300 Longest Increasing Subsequence 39.4% Medium 不日更新
301 Remove Invalid Parentheses 36.9% Hard 不日更新
302 Smallest Rectangle Enclosing Black Pixels 47.6% Hard 不日更新
303 Range Sum Query - Immutable 34.6% Easy 不日更新
304 Range Sum Query 2D - Immutable 29.4% Medium 不日更新
305 Number of Islands II 40.5% Hard 不日更新
306 Additive Number 27.9% Medium 不日更新
307 Range Sum Query - Mutable 25.2% Medium 不日更新
308 Range Sum Query 2D - Mutable 28.8% Hard 不日更新
309 Best Time to Buy and Sell Stock with Cooldown 42.7% Medium 不日更新
310 Minimum Height Trees 29.1% Medium 不日更新
311 Sparse Matrix Multiplication 54.0% Medium 不日更新
312 Burst Balloons 44.7% Hard 不日更新
313 Super Ugly Number 39.6% Medium 不日更新
314 Binary Tree Vertical Order Traversal 39.0% Medium 不日更新
315 Count of Smaller Numbers After Self 35.8% Hard 不日更新
316 Remove Duplicate Letters 31.1% Hard 不日更新
317 Shortest Distance from All Buildings 35.5% Hard 不日更新
318 Maximum Product of Word Lengths 46.8% Medium 不日更新
319 Bulb Switcher 43.4% Medium 不日更新
320 Generalized Abbreviation 47.2% Medium 不日更新
321 Create Maximum Number 24.9% Hard 不日更新
322 Coin Change 27.5% Medium 不日更新
323 Number of Connected Components in an Undirected Graph 50.0% Medium 不日更新
324 Wiggle Sort II 26.7% Medium 不日更新
325 Maximum Size Subarray Sum Equals k 43.6% Medium 不日更新
326 Power of Three 41.0% Easy 不日更新
327 Count of Range Sum 31.3% Hard 不日更新
328 Odd Even Linked List 46.7% Medium 不日更新
329 Longest Increasing Path in a Matrix 38.0% Hard 不日更新
330 Patching Array 32.9% Hard 不日更新
331 Verify Preorder Serialization of a Binary Tree 37.6% Medium 不日更新
332 Reconstruct Itinerary 30.0% Medium 不日更新
333 Largest BST Subtree 31.6% Medium 不日更新
334 Increasing Triplet Subsequence 39.3% Medium 不日更新
335 Self Crossing 26.5% Hard 不日更新
336 Palindrome Pairs 28.3% Hard 不日更新
337 House Robber III 46.0% Medium 不日更新
338 Counting Bits 63.0% Medium 不日更新
339 Nested List Weight Sum 65.4% Easy 不日更新
340 Longest Substring with At Most K Distinct Characters 38.5% Hard 不日更新
341 Flatten Nested List Iterator 44.9% Medium 不日更新
342 Power of Four 39.6% Easy 不日更新
343 Integer Break 46.8% Medium 不日更新
344 Reverse String 61.6% Easy 不日更新
345 Reverse Vowels of a String 40.0% Easy 不日更新
346 Moving Average from Data Stream 62.7% Easy 不日更新
347 Top K Frequent Elements 51.3% Medium 不日更新
348 Design Tic-Tac-Toe 47.1% Medium 不日更新
349 Intersection of Two Arrays 50.4% Easy 不日更新
350 Intersection of Two Arrays II 45.2% Easy 不日更新
351 Android Unlock Patterns 44.8% Medium 不日更新
352 Data Stream as Disjoint Intervals 42.0% Hard 不日更新
353 Design Snake Game 28.3% Medium 不日更新
354 Russian Doll Envelopes 32.8% Hard 不日更新
355 Design Twitter 26.2% Medium 不日更新
356 Line Reflection 30.5% Medium 不日更新
357 Count Numbers with Unique Digits 46.2% Medium 不日更新
358 Rearrange String k Distance Apart 31.9% Hard 不日更新
359 Logger Rate Limiter 62.3% Easy 不日更新
360 Sort Transformed Array 45.6% Medium 不日更新
361 Bomb Enemy 41.4% Medium 不日更新
362 Design Hit Counter 56.5% Medium 不日更新
363 Max Sum of Rectangle No Larger Than K 34.2% Hard 不日更新
364 Nested List Weight Sum II 55.1% Medium 不日更新
365 Water and Jug Problem 28.4% Medium 不日更新
366 Find Leaves of Binary Tree 62.6% Medium 不日更新
367 Valid Perfect Square 38.9% Easy 不日更新
368 Largest Divisible Subset 34.1% Medium 不日更新
369 Plus One Linked List 55.0% Medium 不日更新
370 Range Addition 58.5% Medium 不日更新
371 Sum of Two Integers 51.0% Easy 不日更新
372 Super Pow 35.0% Medium 不日更新
373 Find K Pairs with Smallest Sums 32.0% Medium 不日更新
374 Guess Number Higher or Lower 37.8% Easy 不日更新
375 Guess Number Higher or Lower II 36.4% Medium 不日更新
376 Wiggle Subsequence 36.3% Medium 不日更新
377 Combination Sum IV 43.3% Medium 不日更新
378 Kth Smallest Element in a Sorted Matrix 46.6% Medium 不日更新
379 Design Phone Directory 38.3% Medium 不日更新
380 Insert Delete GetRandom O(1) 40.7% Medium 不日更新
381 Insert Delete GetRandom O(1) - Duplicates allowed 30.3% Hard 不日更新
382 Linked List Random Node 48.0% Medium 不日更新
383 Ransom Note 48.5% Easy 不日更新
384 Shuffle an Array 48.3% Medium 不日更新
385 Mini Parser 31.0% Medium 不日更新
386 Lexicographical Numbers 43.5% Medium 不日更新
387 First Unique Character in a String 47.7% Easy 不日更新
388 Longest Absolute File Path 38.1% Medium 不日更新
389 Find the Difference 52.0% Easy 不日更新
390 Elimination Game 42.9% Medium 不日更新
391 Perfect Rectangle 27.5% Hard 不日更新
392 Is Subsequence 45.2% Medium 不日更新
393 UTF-8 Validation 34.9% Medium 不日更新
394 Decode String 42.4% Medium 不日更新
395 Longest Substring with At Least K Repeating Characters 36.6% Medium 不日更新
396 Rotate Function 34.4% Medium 不日更新
397 Integer Replacement 30.6% Medium 不日更新
398 Random Pick Index 46.8% Medium 不日更新
399 Evaluate Division 43.9% Medium 不日更新
400 Nth Digit 29.9% Easy 不日更新
401 Binary Watch 44.7% Easy 不日更新
402 Remove K Digits 25.5% Medium 不日更新
403 Frog Jump 33.8% Hard 不日更新
404 Sum of Left Leaves 48.1% Easy 不日更新
405 Convert a Number to Hexadecimal 41.2% Easy 不日更新
406 Queue Reconstruction by Height 57.2% Medium 不日更新
407 Trapping Rain Water II 38.0% Hard 不日更新
408 Valid Word Abbreviation 28.6% Easy 不日更新
409 Longest Palindrome 46.5% Easy 不日更新
410 Split Array Largest Sum 40.3% Hard 不日更新
411 Minimum Unique Word Abbreviation 33.9% Hard 不日更新
412 Fizz Buzz 58.0% Easy 不日更新
413 Arithmetic Slices 54.5% Medium 不日更新
414 Third Maximum Number 28.2% Easy 不日更新
415 Add Strings 42.2% Easy 不日更新
416 Partition Equal Subset Sum 38.8% Medium 不日更新
417 Pacific Atlantic Water Flow 35.5% Medium 不日更新
418 Sentence Screen Fitting 29.1% Medium 不日更新
419 Battleships in a Board 64.2% Medium 不日更新
420 Strong Password Checker 18.6% Hard 不日更新
421 Maximum XOR of Two Numbers in an Array 49.4% Medium 不日更新
422 Valid Word Square 36.3% Easy 不日更新
423 Reconstruct Original Digits from English 44.8% Medium 不日更新
424 Longest Repeating Character Replacement 42.8% Medium 不日更新
425 Word Squares 43.0% Hard 不日更新
432 All O`one Data Structure 28.3% Hard 不日更新
433 Minimum Genetic Mutation 36.1% Medium 不日更新
434 Number of Segments in a String 36.4% Easy 不日更新
435 Non-overlapping Intervals 41.0% Medium 不日更新
436 Find Right Interval 41.8% Medium 不日更新
437 Path Sum III 40.7% Easy 不日更新
438 Find All Anagrams in a String 34.7% Easy 不日更新
439 Ternary Expression Parser 52.1% Medium 不日更新
440 K-th Smallest in Lexicographical Order 25.7% Hard 不日更新
441 Arranging Coins 36.7% Easy 不日更新
442 Find All Duplicates in an Array 58.4% Medium 不日更新
443 String Compression 35.7% Easy 不日更新
444 Sequence Reconstruction 19.7% Medium 不日更新
445 Add Two Numbers II 47.7% Medium 不日更新
446 Arithmetic Slices II - Subsequence 28.5% Hard 不日更新
447 Number of Boomerangs 47.9% Easy 不日更新
448 Find All Numbers Disappeared in an Array 51.6% Easy 不日更新
449 Serialize and Deserialize BST 43.8% Medium 不日更新
450 Delete Node in a BST 38.0% Medium 不日更新
451 Sort Characters By Frequency 53.3% Medium 不日更新
452 Minimum Number of Arrows to Burst Balloons 44.7% Medium 不日更新
453 Minimum Moves to Equal Array Elements 48.5% Easy 不日更新
454 4Sum II 48.5% Medium 不日更新
455 Assign Cookies 47.5% Easy 不日更新
456 132 Pattern 27.3% Medium 不日更新
457 Circular Array Loop 25.1% Medium 不日更新
458 Poor Pigs 43.8% Easy 不日更新
459 Repeated Substring Pattern 38.7% Easy 不日更新
460 LFU Cache 26.5% Hard 不日更新
461 Hamming Distance 69.5% Easy 不日更新
462 Minimum Moves to Equal Array Elements II 51.9% Medium 不日更新
463 Island Perimeter 58.8% Easy 不日更新
464 Can I Win 26.2% Medium 不日更新
465 Optimal Account Balancing 40.5% Hard 不日更新
466 Count The Repetitions 27.1% Hard 不日更新
467 Unique Substrings in Wraparound String 33.2% Medium 不日更新
468 Validate IP Address 20.5% Medium 不日更新
469 Convex Polygon 34.8% Medium 不日更新
471 Encode String with Shortest Length 43.7% Hard 不日更新
472 Concatenated Words 32.1% Hard 不日更新
473 Matchsticks to Square 35.2% Medium 不日更新
474 Ones and Zeroes 38.8% Medium 不日更新
475 Heaters 30.0% Easy 不日更新
476 Number Complement 61.5% Easy 不日更新
477 Total Hamming Distance 47.9% Medium 不日更新
479 Largest Palindrome Product 26.2% Easy 不日更新
480 Sliding Window Median 30.6% Hard 不日更新
481 Magical String 45.5% Medium 不日更新
482 License Key Formatting 39.1% Easy 不日更新
483 Smallest Good Base 33.7% Hard 不日更新
484 Find Permutation 56.1% Medium 不日更新
485 Max Consecutive Ones 53.8% Easy 不日更新
486 Predict the Winner 45.9% Medium 不日更新
487 Max Consecutive Ones II 45.5% Medium 不日更新
488 Zuma Game 36.6% Hard 不日更新
490 The Maze 44.6% Medium 不日更新
491 Increasing Subsequences 40.1% Medium 不日更新
492 Construct the Rectangle 47.9% Easy 不日更新
493 Reverse Pairs 21.3% Hard 不日更新
494 Target Sum 44.1% Medium 不日更新
495 Teemo Attacking 51.4% Medium 不日更新
496 Next Greater Element I 57.2% Easy 不日更新
498 Diagonal Traverse 44.1% Medium 不日更新
499 The Maze III 35.1% Hard 不日更新
500 Keyboard Row 60.7% Easy 不日更新
501 Find Mode in Binary Search Tree 38.0% Easy 不日更新
502 IPO 36.7% Hard 不日更新
503 Next Greater Element II 48.7% Medium 不日更新
504 Base 7 43.9% Easy 不日更新
505 The Maze II 40.2% Medium 不日更新
506 Relative Ranks 47.2% Easy 不日更新
507 Perfect Number 32.6% Easy 不日更新
508 Most Frequent Subtree Sum 52.8% Medium 不日更新
513 Find Bottom Left Tree Value 57.0% Medium 不日更新
514 Freedom Trail 39.7% Hard 不日更新
515 Find Largest Value in Each Tree Row 56.3% Medium 不日更新
516 Longest Palindromic Subsequence 43.9% Medium 不日更新
517 Super Washing Machines 36.4% Hard 不日更新
518 Coin Change 2 38.7% Medium 不日更新
520 Detect Capital 51.9% Easy 不日更新
521 Longest Uncommon Subsequence I 55.7% Easy 不日更新
522 Longest Uncommon Subsequence II 32.3% Medium 不日更新
523 Continuous Subarray Sum 23.6% Medium 不日更新
524 Longest Word in Dictionary through Deleting 43.7% Medium 不日更新
525 Contiguous Array 42.0% Medium 不日更新
526 Beautiful Arrangement 52.9% Medium 不日更新
527 Word Abbreviation 45.3% Hard 不日更新
529 Minesweeper 50.2% Medium 不日更新
530 Minimum Absolute Difference in BST 48.6% Easy 不日更新
531 Lonely Pixel I 56.5% Medium 不日更新
532 K-diff Pairs in an Array 28.5% Easy 不日更新
533 Lonely Pixel II 45.6% Medium 不日更新
535 Encode and Decode TinyURL 74.5% Medium 不日更新
536 Construct Binary Tree from String 43.0% Medium 不日更新
537 Complex Number Multiplication 64.3% Medium 不日更新
538 Convert BST to Greater Tree 48.9% Easy 不日更新
539 Minimum Time Difference 46.5% Medium 不日更新
540 Single Element in a Sorted Array 56.2% Medium 不日更新
541 Reverse String II 44.3% Easy 不日更新
542 01 Matrix 33.5% Medium 不日更新
543 Diameter of Binary Tree 45.2% Easy 不日更新
544 Output Contest Matches 71.6% Medium 不日更新
545 Boundary of Binary Tree 33.1% Medium 不日更新
546 Remove Boxes 36.7% Hard 不日更新
547 Friend Circles 50.7% Medium 不日更新
548 Split Array with Equal Sum 39.0% Medium 不日更新
549 Binary Tree Longest Consecutive Sequence II 43.0% Medium 不日更新
551 Student Attendance Record I 45.0% Easy 不日更新
552 Student Attendance Record II 31.6% Hard 不日更新
553 Optimal Division 55.0% Medium 不日更新
554 Brick Wall 46.8% Medium 不日更新
555 Split Concatenated Strings 38.5% Medium 不日更新
556 Next Greater Element III 29.0% Medium 不日更新
557 Reverse Words in a String III 61.8% Easy 不日更新
560 Subarray Sum Equals K 40.2% Medium 不日更新
561 Array Partition I 67.3% Easy 不日更新
562 Longest Line of Consecutive One in Matrix 41.5% Medium 不日更新
563 Binary Tree Tilt 46.4% Easy 不日更新
564 Find the Closest Palindrome 17.3% Hard 不日更新
565 Array Nesting 50.2% Medium 不日更新
566 Reshape the Matrix 57.9% Easy 不日更新
567 Permutation in String 36.7% Medium 不日更新
568 Maximum Vacation Days 36.2% Hard 不日更新
569 Median Employee Salary 40.9% Hard 不日更新
570 Managers with at Least 5 Direct Reports 58.6% Medium 不日更新
571 Find Median Given Frequency of Numbers 44.3% Hard 不日更新
572 Subtree of Another Tree 40.4% Easy 不日更新
573 Squirrel Simulation 52.4% Medium 不日更新
574 Winning Candidate 34.2% Medium 不日更新
575 Distribute Candies 58.5% Easy 不日更新
576 Out of Boundary Paths 30.7% Medium 不日更新
577 Employee Bonus 53.3% Easy 不日更新
578 Get Highest Answer Rate Question 32.7% Medium 不日更新
579 Find Cumulative Salary of an Employee 30.5% Hard 不日更新
580 Count Student Number in Departments 39.7% Medium 不日更新
581 Shortest Unsorted Continuous Subarray 29.2% Easy 不日更新
582 Kill Process 53.2% Medium 不日更新
583 Delete Operation for Two Strings 44.8% Medium 不日更新
584 Find Customer Referee 63.2% Easy 不日更新
585 Investments in 2016 44.4% Medium 不日更新
586 Customer Placing the Largest Number of Orders 62.1% Easy 不日更新
587 Erect the Fence 33.5% Hard 不日更新
588 Design In-Memory File System 36.5% Hard 不日更新
591 Tag Validator 31.5% Hard 不日更新
592 Fraction Addition and Subtraction 46.1% Medium 不日更新
593 Valid Square 39.9% Medium 不日更新
594 Longest Harmonious Subsequence 41.8% Easy 不日更新
595 Big Countries 71.8% Easy 不日更新
596 Classes More Than 5 Students 33.2% Easy 不日更新
597 Friend Requests I, Overall Acceptance Rate 38.1% Easy 不日更新
598 Range Addition II 48.0% Easy 不日更新
599 Minimum Index Sum of Two Lists 46.6% Easy 不日更新
600 Non-negative Integers without Consecutive Ones 31.8% Hard 不日更新
601 Human Traffic of Stadium 33.7% Hard 不日更新
602 Friend Requests II, Who Has the Most Friends 42.3% Medium 不日更新
603 Consecutive Available Seats 54.2% Easy 不日更新
604 Design Compressed String Iterator 33.8% Easy 不日更新
605 Can Place Flowers 30.1% Easy 不日更新
606 Construct String from Binary Tree 50.5% Easy 不日更新
607 Sales Person 50.6% Easy 不日更新
608 Tree Node 54.4% Medium 不日更新
609 Find Duplicate File in System 53.1% Medium 不日更新
610 Triangle Judgement 59.0% Easy 不日更新
611 Valid Triangle Number 43.0% Medium 不日更新
612 Shortest Distance in a Plane 51.0% Medium 不日更新
613 Shortest Distance in a Line 70.5% Easy 不日更新
614 Second Degree Follower 22.7% Medium 不日更新
615 Average Salary, Departments VS Company 33.0% Hard 不日更新
616 Add Bold Tag in String 38.1% Medium 不日更新
617 Merge Two Binary Trees 67.9% Easy 不日更新
618 Students Report By Geography 40.5% Hard 不日更新
619 Biggest Single Number 36.4% Easy 不日更新
620 Not Boring Movies 59.7% Easy 不日更新
621 Task Scheduler 42.8% Medium 不日更新
623 Add One Row to Tree 46.4% Medium 不日更新
624 Maximum Distance in Arrays 36.1% Easy 不日更新
625 Minimum Factorization 31.5% Medium 不日更新
626 Exchange Seats 49.1% Medium 不日更新
627 Swap Salary 67.3% Easy 不日更新
628 Maximum Product of Three Numbers 44.8% Easy 不日更新
629 K Inverse Pairs Array 28.0% Hard 不日更新
630 Course Schedule III 30.0% Hard 不日更新
631 Design Excel Sum Formula 28.1% Hard 不日更新
632 Smallest Range 44.1% Hard 不日更新
633 Sum of Square Numbers 32.4% Easy 不日更新
634 Find the Derangement of An Array 36.9% Medium 不日更新
635 Design Log Storage System 50.3% Medium 不日更新
636 Exclusive Time of Functions 46.0% Medium 不日更新
637 Average of Levels in Binary Tree 56.8% Easy 不日更新
638 Shopping Offers 46.5% Medium 不日更新
639 Decode Ways II 24.1% Hard 不日更新
640 Solve the Equation 38.8% Medium 不日更新
642 Design Search Autocomplete System 32.6% Hard 不日更新
643 Maximum Average Subarray I 38.0% Easy 不日更新
644 Maximum Average Subarray II 26.7% Hard 不日更新
645 Set Mismatch 39.9% Easy 不日更新
646 Maximum Length of Pair Chain 47.3% Medium 不日更新
647 Palindromic Substrings 54.5% Medium 不日更新
648 Replace Words 49.3% Medium 不日更新
649 Dota2 Senate 36.7% Medium 不日更新
650 2 Keys Keyboard 45.9% Medium 不日更新
651 4 Keys Keyboard 49.7% Medium 不日更新
652 Find Duplicate Subtrees 40.9% Medium 不日更新
653 Two Sum IV - Input is a BST 50.9% Easy 不日更新
654 Maximum Binary Tree 71.2% Medium 不日更新
655 Print Binary Tree 49.2% Medium 不日更新
656 Coin Path 25.9% Hard 不日更新
657 Robot Return to Origin 69.3% Easy 不日更新
658 Find K Closest Elements 35.1% Medium 不日更新
659 Split Array into Consecutive Subsequences 37.7% Medium 不日更新
660 Remove 9 50.3% Hard 不日更新
661 Image Smoother 47.0% Easy 不日更新
662 Maximum Width of Binary Tree 38.9% Medium 不日更新
663 Equal Tree Partition 36.5% Medium 不日更新
664 Strange Printer 35.2% Hard 不日更新
665 Non-decreasing Array 19.7% Easy 不日更新
666 Path Sum IV 51.0% Medium 不日更新
667 Beautiful Arrangement II 50.9% Medium 不日更新
668 Kth Smallest Number in Multiplication Table 39.6% Hard 不日更新
669 Trim a Binary Search Tree 58.7% Easy 不日更新
670 Maximum Swap 38.8% Medium 不日更新
671 Second Minimum Node In a Binary Tree 42.5% Easy 不日更新
672 Bulb Switcher II 49.3% Medium 不日更新
673 Number of Longest Increasing Subsequence 32.2% Medium 不日更新
674 Longest Continuous Increasing Subsequence 43.0% Easy 不日更新
675 Cut Off Trees for Golf Event 27.6% Hard 不日更新
676 Implement Magic Dictionary 49.6% Medium 不日更新
677 Map Sum Pairs 50.5% Medium 不日更新
678 Valid Parenthesis String 30.3% Medium 不日更新
679 24 Game 39.6% Hard 不日更新
680 Valid Palindrome II 32.7% Easy 不日更新
681 Next Closest Time 41.0% Medium 不日更新
682 Baseball Game 58.8% Easy 不日更新
683 K Empty Slots 33.3% Hard 不日更新
684 Redundant Connection 47.2% Medium 不日更新
685 Redundant Connection II 28.6% Hard 不日更新
686 Repeated String Match 31.4% Easy 不日更新
687 Longest Univalue Path 32.6% Easy 不日更新
688 Knight Probability in Chessboard 40.9% Medium 不日更新
689 Maximum Sum of 3 Non-Overlapping Subarrays 42.3% Hard 不日更新
690 Employee Importance 51.9% Easy 不日更新
691 Stickers to Spell Word 36.5% Hard 不日更新
692 Top K Frequent Words 42.8% Medium 不日更新
693 Binary Number with Alternating Bits 56.6% Easy 不日更新
694 Number of Distinct Islands 47.2% Medium 不日更新
695 Max Area of Island 53.5% Medium 不日更新
696 Count Binary Substrings 51.4% Easy 不日更新
697 Degree of an Array 47.5% Easy 不日更新
698 Partition to K Equal Sum Subsets 39.2% Medium 不日更新
699 Falling Squares 38.1% Hard 不日更新
711 Number of Distinct Islands II 43.5% Hard 不日更新
712 Minimum ASCII Delete Sum for Two Strings 52.1% Medium 不日更新
713 Subarray Product Less Than K 34.1% Medium 不日更新
714 Best Time to Buy and Sell Stock with Transaction Fee 47.9% Medium 不日更新
715 Range Module 31.7% Hard 不日更新
716 Max Stack 37.9% Easy 不日更新
717 1-bit and 2-bit Characters 48.5% Easy 不日更新
718 Maximum Length of Repeated Subarray 42.9% Medium 不日更新
719 Find K-th Smallest Pair Distance 28.0% Hard 不日更新
720 Longest Word in Dictionary 42.1% Easy 不日更新
721 Accounts Merge 36.3% Medium 不日更新
722 Remove Comments 29.0% Medium 不日更新
723 Candy Crush 57.1% Medium 不日更新
724 Find Pivot Index 39.3% Easy 不日更新
725 Split Linked List in Parts 47.3% Medium 不日更新
726 Number of Atoms 43.9% Hard 不日更新
727 Minimum Window Subsequence 33.1% Hard 不日更新
728 Self Dividing Numbers 67.2% Easy 不日更新
729 My Calendar I 44.5% Medium 不日更新
730 Count Different Palindromic Subsequences 37.3% Hard 不日更新
731 My Calendar II 39.9% Medium 不日更新
732 My Calendar III 50.7% Hard 不日更新
733 Flood Fill 48.2% Easy 不日更新
734 Sentence Similarity 38.8% Easy 不日更新
735 Asteroid Collision 37.0% Medium 不日更新
736 Parse Lisp Expression 41.5% Hard 不日更新
737 Sentence Similarity II 40.6% Medium 不日更新
738 Monotone Increasing Digits 41.1% Medium 不日更新
739 Daily Temperatures 55.9% Medium 不日更新
740 Delete and Earn 44.4% Medium 不日更新
741 Cherry Pickup 25.3% Hard 不日更新
742 To Lower Case 74.4% Easy 不日更新
743 Closest Leaf in a Binary Tree 36.2% Medium 不日更新
744 Network Delay Time 37.6% Easy 不日更新
745 Find Smallest Letter Greater Than Target 42.9% Easy 不日更新
746 Prefix and Suffix Search 27.6% Hard 不日更新
747 Min Cost Climbing Stairs 44.2% Easy 不日更新
748 Largest Number At Least Twice of Others 39.9% Easy 不日更新
749 Shortest Completing Word 52.5% Easy 不日更新
750 Contain Virus 40.8% Hard 不日更新
751 Number Of Corner Rectangles 60.2% Medium 不日更新
752 IP to CIDR 53.7% Easy 不日更新
753 Open the Lock 42.1% Medium 不日更新
754 Cracking the Safe 42.6% Hard 不日更新
755 Reach a Number 29.5% Easy 不日更新
756 Pour Water 35.9% Medium 不日更新
757 Pyramid Transition Matrix 48.0% Medium 不日更新
758 Convert Binary Search Tree to Sorted Doubly Linked List 41.8% Medium 不日更新
759 Set Intersection Size At Least Two 35.2% Hard 不日更新
760 Bold Words in String 40.2% Easy 不日更新
761 Employee Free Time 55.1% Hard 不日更新
762 Find Anagram Mappings 77.3% Easy 不日更新
763 Special Binary String 46.1% Hard 不日更新
764 N-ary Tree Level Order Traversal 55.1% Easy 不日更新
765 Serialize and Deserialize N-ary Tree 46.1% Hard 不日更新
766 Flatten a Multilevel Doubly Linked List 35.3% Medium 不日更新
767 Prime Number of Set Bits in Binary Representation 56.3% Easy 不日更新
768 Partition Labels 65.6% Medium 不日更新
769 Largest Plus Sign 41.4% Medium 不日更新
770 Couples Holding Hands 49.0% Hard 不日更新
771 Encode N-ary Tree to Binary Tree 53.1% Hard 不日更新
772 Construct Quad Tree 49.0% Easy 不日更新
773 Quad Tree Intersection 35.7% Easy 不日更新
774 Maximum Depth of N-ary Tree 61.6% Easy 不日更新
775 N-ary Tree Preorder Traversal 62.4% Easy 不日更新
776 N-ary Tree Postorder Traversal 62.4% Easy 不日更新
777 Toeplitz Matrix 59.5% Easy 不日更新
778 Reorganize String 39.3% Medium 不日更新
779 Max Chunks To Make Sorted II 44.0% Hard 不日更新
780 Max Chunks To Make Sorted 49.2% Medium 不日更新
781 Basic Calculator IV 41.9% Hard 不日更新
782 Jewels and Stones 81.6% Easy 不日更新
783 Search in a Binary Search Tree 62.3% Easy 不日更新
784 Insert into a Binary Search Tree 66.6% Medium 不日更新
785 Basic Calculator III 41.8% Hard 不日更新
786 Search in a Sorted Array of Unknown Size 41.5% Medium 不日更新
787 Sliding Puzzle 47.7% Hard 不日更新
788 Minimize Max Distance to Gas Station 36.4% Hard 不日更新
789 Kth Largest Element in a Stream 38.4% Easy 不日更新
790 Global and Local Inversions 36.0% Medium 不日更新
791 Split BST 50.6% Medium 不日更新
792 Binary Search 38.9% Easy 不日更新
793 Swap Adjacent in LR String 30.0% Medium 不日更新
794 Swim in Rising Water 44.9% Hard 不日更新
795 K-th Symbol in Grammar 37.4% Medium 不日更新
796 Reaching Points 25.1% Hard 不日更新
797 Rabbits in Forest 49.9% Medium 不日更新
798 Transform to Chessboard 37.9% Hard 不日更新
799 Minimum Distance Between BST Nodes 48.6% Easy 不日更新
800 Letter Case Permutation 53.5% Easy 不日更新
801 Is Graph Bipartite? 40.1% Medium 不日更新
802 K-th Smallest Prime Fraction 35.4% Hard 不日更新
803 Cheapest Flights Within K Stops 31.1% Medium 不日更新
804 Rotated Digits 51.0% Easy 不日更新
805 Escape The Ghosts 53.2% Medium 不日更新
806 Domino and Tromino Tiling 33.9% Medium 不日更新
807 Custom Sort String 59.5% Medium 不日更新
808 Number of Matching Subsequences 38.8% Medium 不日更新
809 Preimage Size of Factorial Zeroes Function 39.7% Hard 不日更新
810 Valid Tic-Tac-Toe State 28.0% Medium 不日更新
811 Number of Subarrays with Bounded Maximum 41.4% Medium 不日更新
812 Rotate String 48.7% Easy 不日更新
813 All Paths From Source to Target 67.4% Medium 不日更新
814 Smallest Rotation with Highest Score 36.6% Hard 不日更新
815 Champagne Tower 30.8% Medium 不日更新
816 Design HashSet 42.0% Easy 不日更新
817 Design HashMap 47.9% Easy 不日更新
818 Similar RGB Color 55.8% Easy 不日更新
819 Minimum Swaps To Make Sequences Increasing 32.5% Medium 不日更新
820 Find Eventual Safe States 40.9% Medium 不日更新
821 Bricks Falling When Hit 24.8% Hard 不日更新
822 Unique Morse Code Words 71.5% Easy 不日更新
823 Split Array With Same Average 22.3% Hard 不日更新
824 Number of Lines To Write String 61.8% Easy 不日更新
825 Max Increase to Keep City Skyline 80.0% Medium 不日更新
826 Soup Servings 34.4% Medium 不日更新
827 Expressive Words 38.9% Medium 不日更新
828 Chalkboard XOR Game 41.6% Hard 不日更新
829 Subdomain Visit Count 61.3% Easy 不日更新
830 Largest Triangle Area 53.7% Easy 不日更新
831 Largest Sum of Averages 42.3% Medium 不日更新
832 Binary Tree Pruning 68.4% Medium 不日更新
833 Bus Routes 35.8% Hard 不日更新
834 Ambiguous Coordinates 42.3% Medium 不日更新
835 Linked List Components 51.6% Medium 不日更新
836 Race Car 30.8% Hard 不日更新
837 Most Common Word 41.9% Easy 不日更新
838 Design Linked List 18.6% Easy 不日更新
839 Short Encoding of Words 44.6% Medium 不日更新
841 Shortest Distance to a Character 61.0% Easy 不日更新
842 Card Flipping Game 38.1% Medium 不日更新
843 Binary Trees With Factors 30.3% Medium 不日更新
850 Insert into a Cyclic Sorted List 24.9% Medium 不日更新
851 Goat Latin 55.0% Easy 不日更新
852 Friends Of Appropriate Ages 32.8% Medium 不日更新
853 Most Profit Assigning Work 33.1% Medium 不日更新
854 Making A Large Island 40.5% Hard 不日更新
855 Unique Letter String 36.3% Hard 不日更新
856 Consecutive Numbers Sum 29.4% Hard 不日更新
857 Positions of Large Groups 46.2% Easy 不日更新
858 Masking Personal Information 41.8% Medium 不日更新
859 Design Circular Deque 47.9% Medium 不日更新
860 Design Circular Queue 36.8% Medium 不日更新
861 Flipping an Image 69.0% Easy 不日更新
862 Find And Replace in String 41.2% Medium 不日更新
863 Sum of Distances in Tree 34.5% Hard 不日更新
864 Image Overlap 46.6% Medium 不日更新
865 Robot Room Cleaner 55.0% Hard 不日更新
866 Rectangle Overlap 44.2% Easy 不日更新
867 New 21 Game 26.8% Medium 不日更新
868 Push Dominoes 41.5% Medium 不日更新
869 Similar String Groups 33.0% Hard 不日更新
870 Magic Squares In Grid 34.7% Easy 不日更新
871 Keys and Rooms 57.3% Medium 不日更新
872 Split Array into Fibonacci Sequence 33.9% Medium 不日更新
873 Guess the Word 38.0% Hard 不日更新
874 Backspace String Compare 43.3% Easy 不日更新
875 Longest Mountain in Array 32.1% Medium 不日更新
876 Hand of Straights 45.3% Medium 不日更新
877 Shortest Path Visiting All Nodes 43.7% Hard 不日更新
878 Shifting Letters 36.9% Medium 不日更新
879 Maximize Distance to Closest Person 38.4% Easy 不日更新
880 Rectangle Area II 41.8% Hard 不日更新
881 Loud and Rich 44.8% Medium 不日更新
882 Peak Index in a Mountain Array 67.1% Easy 不日更新
883 Car Fleet 34.6% Medium 不日更新
884 K-Similar Strings 31.4% Hard 不日更新
885 Exam Room 33.4% Medium 不日更新
886 Score of Parentheses 53.5% Medium 不日更新
887 Minimum Cost to Hire K Workers 43.8% Hard 不日更新
888 Mirror Reflection 49.8% Medium 不日更新
889 Buddy Strings 26.5% Easy 不日更新
890 Lemonade Change 49.2% Easy 不日更新
891 Score After Flipping Matrix 67.1% Medium 不日更新
892 Shortest Subarray with Sum at Least K 19.5% Hard 不日更新
893 All Nodes Distance K in Binary Tree 42.6% Medium 不日更新
894 Random Pick with Blacklist 29.9% Hard 不日更新
895 Shortest Path to Get All Keys 33.4% Hard 不日更新
896 Smallest Subtree with all the Deepest Nodes 52.5% Medium 不日更新
897 Prime Palindrome 18.4% Medium 不日更新
898 Transpose Matrix 63.5% Easy 不日更新
899 Binary Gap 58.9% Easy 不日更新
900 Reordered Power of 2 48.1% Medium 不日更新
901 Advantage Shuffle 39.8% Medium 不日更新
902 Minimum Number of Refueling Stops 26.4% Hard 不日更新
903 Implement Rand10() Using Rand7() 43.0% Medium 不日更新
904 Leaf-Similar Trees 60.4% Easy 不日更新
905 Length of Longest Fibonacci Subsequence 42.1% Medium 不日更新
906 Walking Robot Simulation 28.3% Easy 不日更新
907 Koko Eating Bananas 42.3% Medium 不日更新
908 Middle of the Linked List 62.6% Easy 不日更新
909 Stone Game 57.8% Medium 不日更新
910 Nth Magical Number 23.3% Hard 不日更新
911 Profitable Schemes 33.4% Hard 不日更新
912 Random Pick with Weight 41.2% Medium 不日更新
913 Random Flip Matrix 32.4% Medium 不日更新
914 Random Point in Non-overlapping Rectangles 33.4% Medium 不日更新
915 Generate Random Point in a Circle 33.9% Medium 不日更新
916 Decoded String at Index 22.2% Medium 不日更新
917 Boats to Save People 39.6% Medium 不日更新
918 Reachable Nodes In Subdivided Graph 34.1% Hard 不日更新
919 Projection Area of 3D Shapes 64.6% Easy 不日更新
920 Uncommon Words from Two Sentences 60.1% Easy 不日更新
921 Spiral Matrix III 62.8% Medium 不日更新
922 Possible Bipartition 38.9% Medium 不日更新
923 Super Egg Drop 22.8% Hard 不日更新
924 Fair Candy Swap 53.5% Easy 不日更新
925 Construct Binary Tree from Preorder and Postorder Traversal 54.8% Medium 不日更新
926 Find and Replace Pattern 68.7% Medium 不日更新
927 Sum of Subsequence Widths 25.4% Hard 不日更新
928 Surface Area of 3D Shapes 54.6% Easy 不日更新
929 Groups of Special-Equivalent Strings 60.5% Easy 不日更新
930 All Possible Full Binary Trees 65.9% Medium 不日更新
931 Maximum Frequency Stack 48.1% Hard 不日更新
932 Monotonic Array 54.2% Easy 不日更新
933 Increasing Order Search Tree 57.4% Easy 不日更新
934 Bitwise ORs of Subarrays 30.1% Medium 不日更新
935 Orderly Queue 43.0% Hard 不日更新
936 RLE Iterator 43.0% Medium 不日更新
937 Online Stock Span 42.8% Medium 不日更新
938 Numbers At Most N Given Digit Set 25.7% Hard 不日更新
939 Valid Permutations for DI Sequence 38.9% Hard 不日更新
940 Fruit Into Baskets 38.5% Medium 不日更新
941 Sort Array By Parity 70.6% Easy 不日更新
942 Super Palindromes 28.6% Hard 不日更新
943 Sum of Subarray Minimums 21.2% Medium 不日更新
944 Smallest Range I 63.6% Easy 不日更新
945 Snakes and Ladders 25.5% Medium 不日更新
946 Smallest Range II 19.4% Medium 不日更新
947 Online Election 42.5% Medium 不日更新
949 Cat and Mouse 22.9% Hard 不日更新
950 X of a Kind in a Deck of Cards 32.9% Easy 不日更新
951 Partition Array into Disjoint Intervals 39.9% Medium 不日更新
952 Word Subsets 42.9% Medium 不日更新
953 Reverse Only Letters 56.4% Easy 不日更新
954 Maximum Sum Circular Subarray 25.8% Medium 不日更新
955 Complete Binary Tree Inserter 54.5% Medium 不日更新
956 Number of Music Playlists 39.8% Hard 不日更新
957 Minimum Add to Make Parentheses Valid 71.1% Medium 不日更新
958 Sort Array By Parity II 66.9% Easy 不日更新
959 3Sum With Multiplicity 27.7% Medium 不日更新
960 Minimize Malware Spread 35.5% Hard 不日更新
961 Long Pressed Name 45.1% Easy 不日更新
962 Flip String to Monotone Increasing 41.0% Medium 不日更新
963 Three Equal Parts 25.5% Hard 不日更新
964 Minimize Malware Spread II 37.2% Hard 不日更新