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- 2010-9-23
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- 1970-1-1
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按frequency排序,来点米吧
# Title Acceptance Difficulty
301 Remove Invalid Parentheses 42.7% Hard
273 Integer to English Words 26.6% Hard
67 Add Binary 43.7% Easy
158 Read N Characters Given Read4 II - Call multiple times 32.7% Hard
10 Regular Expression Matching 26.6% Hard
953 Verifying an Alien Dictionary 54.5% Easy
297 Serialize and Deserialize Binary Tree 46.6% Hard
91 Decode Ways 24.2% Medium
621 Task Scheduler 48.2% Medium
253 Meeting Rooms II 45.4% Medium
15 3Sum 26.3% Medium
560 Subarray Sum Equals K 43.8% Medium
238 Product of Array Except Self 59.5% Medium
283 Move Zeroes 57.5% Easy
76 Minimum Window Substring 34.2% Hard
23 Merge k Sorted Lists 39.5% Hard
282 Expression Add Operators 35.3% Hard
29 Divide Two Integers 16.3% Medium
31 Next Permutation 32.2% Medium
278 First Bad Version 35.0% Easy
125 Valid Palindrome 35.4% Easy
680 Valid Palindrome II 36.3% Easy
173 Binary Search Tree Iterator 55.3% Medium
973 K Closest Points to Origin 63.4% Medium
211 Add and Search Word - Data structure design 36.0% Medium
17 Letter Combinations of a Phone Number 46.1% Medium
124 Binary Tree Maximum Path Sum 33.9% Hard
426 Convert Binary Search Tree to Sorted Doubly Linked List 58.5% Medium
325 Maximum Size Subarray Sum Equals k 46.5% Medium
157 Read N Characters Given Read4 33.5% Easy
65 Valid Number 15.1% Hard
56 Merge Intervals 38.8% Medium
1249 Minimum Remove to Make Valid Parentheses 61.9% Medium
314 Binary Tree Vertical Order Traversal 44.5% Medium
1 Two Sum 45.4% Easy
133 Clone Graph 33.6% Medium
269 Alien Dictionary 33.3% Hard
200 Number of Islands 46.2% Medium
215 Kth Largest Element in an Array 54.3% Medium
311 Sparse Matrix Multiplication 61.0% Medium
336 Palindrome Pairs 33.4% Hard
114 Flatten Binary Tree to Linked List 48.1% Medium
257 Binary Tree Paths 50.6% Easy
543 Diameter of Binary Tree 48.1% Easy
98 Validate Binary Search Tree 27.5% Medium
42 Trapping Rain Water 48.1% Hard
304 Range Sum Query 2D - Immutable 37.7% Medium
43 Multiply Strings 33.4% Medium
415 Add Strings 47.0% Easy
277 Find the Celebrity 41.3% Medium
121 Best Time to Buy and Sell Stock 50.1% Easy
523 Continuous Subarray Sum 24.5% Medium
689 Maximum Sum of 3 Non-Overlapping Subarrays 45.9% Hard
146 LRU Cache 32.3% Medium
138 Copy List with Random Pointer 35.0% Medium
139 Word Break 39.4% Medium
349 Intersection of Two Arrays 61.5% Easy
340 Longest Substring with At Most K Distinct Characters 43.6% Hard
161 One Edit Distance 32.2% Medium
88 Merge Sorted Array 39.0% Easy
199 Binary Tree Right Side View 53.2% Medium
785 Is Graph Bipartite? 46.9% Medium
438 Find All Anagrams in a String 42.6% Medium
33 Search in Rotated Sorted Array 34.3% Medium
636 Exclusive Time of Functions 51.4% Medium
721 Accounts Merge 47.8% Medium
317 Shortest Distance from All Buildings 41.0% Hard
236 Lowest Common Ancestor of a Binary Tree 44.5% Medium
34 Find First and Last Position of Element in Sorted Array 35.8% Medium
71 Simplify Path 32.1% Medium
143 Reorder List 36.1% Medium
286 Walls and Gates 53.7% Medium
341 Flatten Nested List Iterator 52.3% Medium
896 Monotonic Array 57.5% Easy
78 Subsets 59.9% Medium
20 Valid Parentheses 38.6% Easy
350 Intersection of Two Arrays II 51.0% Easy
986 Interval List Intersections 67.0% Medium
32 Longest Valid Parentheses 28.0% Hard
360 Sort Transformed Array 48.5% Medium
227 Basic Calculator II 36.5% Medium
51 N-Queens 45.5% Hard
140 Word Break II 31.0% Hard
50 Pow(x, n) 29.5% Medium
348 Design Tic-Tac-Toe 53.7% Medium
825 Friends Of Appropriate Ages 42.1% Medium
463 Island Perimeter 63.7% Easy
270 Closest Binary Search Tree Value 47.4% Easy
75 Sort Colors 45.7% Medium
247 Strobogrammatic Number II 47.2% Medium
57 Insert Interval 33.2% Hard
79 Word Search 34.5% Medium
358 Rearrange String k Distance Apart 34.6% Hard
285 Inorder Successor in BST 39.5% Medium
449 Serialize and Deserialize BST 51.4% Medium
300 Longest Increasing Subsequence 42.3% Medium
824 Goat Latin 62.8% Easy
126 Word Ladder II 21.6% Hard
398 Random Pick Index 54.9% Medium
162 Find Peak Element 43.0% Medium
246 Strobogrammatic Number 44.7% Easy
708 Insert into a Sorted Circular Linked List 31.4% Medium
987 Vertical Order Traversal of a Binary Tree 34.9% Medium
3 Longest Substring Without Repeating Characters 30.1% Medium
53 Maximum Subarray 46.2% Easy
380 Insert Delete GetRandom O(1) 46.3% Medium
597 Friend Requests I: Overall Acceptance Rate 40.8% Easy
224 Basic Calculator 36.3% Hard
347 Top K Frequent Elements 60.1% Medium
109 Convert Sorted List to Binary Search Tree 46.6% Medium
239 Sliding Window Maximum 42.3% Hard
958 Check Completeness of a Binary Tree 51.7% Medium
670 Maximum Swap 42.9% Medium
339 Nested List Weight Sum 73.1% Easy
252 Meeting Rooms 54.2% Easy
13 Roman to Integer 55.3% Easy
127 Word Ladder 28.8% Medium
251 Flatten 2D Vector 45.4% Medium
5 Longest Palindromic Substring 29.2% Medium
494 Target Sum 46.6% Medium
2 Add Two Numbers 33.4% Medium
44 Wildcard Matching 24.4% Hard
791 Custom Sort String 65.4% Medium
105 Construct Binary Tree from Preorder and Inorder Traversal 47.6% Medium
632 Smallest Range Covering Elements from K Lists 51.8% Hard
419 Battleships in a Board 69.4% Medium
394 Decode String 49.1% Medium
498 Diagonal Traverse 47.7% Medium
938 Range Sum of BST 80.7% Easy
8 String to Integer (atoi) 15.3% Medium
393 UTF-8 Validation 37.3% Medium
305 Number of Islands II 40.2% Hard
477 Total Hamming Distance 50.3% Medium
381 Insert Delete GetRandom O(1) - Duplicates allowed 33.7% Hard
49 Group Anagrams 55.9% Medium
206 Reverse Linked List 61.5% Easy
4 Median of Two Sorted Arrays 29.1% Hard
38 Count and Say 44.1% Easy
46 Permutations 62.3% Medium
468 Validate IP Address 22.5% Medium
308 Range Sum Query 2D - Mutable 35.1% Hard
658 Find K Closest Elements 40.3% Medium
218 The Skyline Problem 34.1% Hard
602 Friend Requests II: Who Has the Most Friends 52.2% Medium
647 Palindromic Substrings 60.1% Medium
767 Reorganize String 47.9% Medium
772 Basic Calculator III 40.8% Hard
212 Word Search II 33.3% Hard
128 Longest Consecutive Sequence 44.6% Hard
39 Combination Sum 55.1% Medium
111 Minimum Depth of Binary Tree 37.1% Easy
21 Merge Two Sorted Lists 52.7% Easy
151 Reverse Words in a String 20.4% Medium
18 4Sum 33.2% Medium
622 Design Circular Queue 43.2% Medium
921 Minimum Add to Make Parentheses Valid 72.9% Medium
230 Kth Smallest Element in a BST 59.3% Medium
1027 Longest Arithmetic Sequence 53.7% Medium
432 All O`one Data Structure 31.8% Hard
567 Permutation in String 44.3% Medium
332 Reconstruct Itinerary 34.9% Medium
25 Reverse Nodes in k-Group 41.1% Hard
102 Binary Tree Level Order Traversal 53.7% Medium
123 Best Time to Buy and Sell Stock III 36.8% Hard
319 Bulb Switcher 45.3% Medium
863 All Nodes Distance K in Binary Tree 54.4% Medium
334 Increasing Triplet Subsequence 40.0% Medium
22 Generate Parentheses 61.6% Medium
192 Word Frequency 26.1% Medium
346 Moving Average from Data Stream 70.2% Easy
678 Valid Parenthesis String 30.8% Medium
249 Group Shifted Strings 53.7% Medium
93 Restore IP Addresses 34.9% Medium
295 Find Median from Data Stream 43.2% Hard
209 Minimum Size Subarray Sum 37.6% Medium
489 Robot Room Cleaner 69.0% Hard
1004 Max Consecutive Ones III 58.1% Medium
208 Implement Trie (Prefix Tree) 48.0% Medium
674 Longest Continuous Increasing Subsequence 45.7% Easy
1060 Missing Element in Sorted Array 54.6% Medium
403 Frog Jump 39.1% Hard
73 Set Matrix Zeroes 42.7% Medium
122 Best Time to Buy and Sell Stock II 56.2% Easy
378 Kth Smallest Element in a Sorted Matrix 53.5% Medium
490 The Maze 51.0% Medium
28 Implement strStr() 34.2% Easy
416 Partition Equal Subset Sum 43.2% Medium
329 Longest Increasing Path in a Matrix 42.9% Hard
116 Populating Next Right Pointers in Each Node 43.9% Medium
408 Valid Word Abbreviation 30.2% Easy
642 Design Search Autocomplete System 44.0% Hard
240 Search a 2D Matrix II 42.8% Medium
399 Evaluate Division 50.8% Medium
568 Maximum Vacation Days 40.4% Hard
117 Populating Next Right Pointers in Each Node II 38.3% Medium
452 Minimum Number of Arrows to Burst Balloons 49.1% Medium
529 Minesweeper 58.4% Medium
885 Spiral Matrix III 68.9% Medium
1123 Lowest Common Ancestor of Deepest Leaves 66.5% Medium
81 Search in Rotated Sorted Array II 33.0% Medium
62 Unique Paths 52.6% Medium
266 Palindrome Permutation 61.6% Easy
766 Toeplitz Matrix 64.5% Easy
166 Fraction to Recurring Decimal 21.3% Medium
92 Reverse Linked List II 38.2% Medium
1197 Minimum Knight Moves 35.7% Medium
865 Smallest Subtree with all the Deepest Nodes 60.7% Medium
207 Course Schedule 42.5% Medium
695 Max Area of Island 61.8% Medium
536 Construct Binary Tree from String 47.5% Medium
430 Flatten a Multilevel Doubly Linked List 51.7% Medium
554 Brick Wall 49.6% Medium
935 Knight Dialer 44.6% Medium
428 Serialize and Deserialize N-ary Tree 58.6% Hard
235 Lowest Common Ancestor of a Binary Search Tree 49.2% Easy
99 Recover Binary Search Tree 38.9% Hard
548 Split Array with Equal Sum 45.8% Medium
30 Substring with Concatenation of All Words 25.1% Hard
68 Text Justification 27.2% Hard
296 Best Meeting Point 57.2% Hard
11 Container With Most Water 50.1% Medium
1113 Reported Posts 63.2% Easy
480 Sliding Window Median 36.5% Hard
85 Maximal Rectangle 37.0% Hard
148 Sort List 41.2% Medium
692 Top K Frequent Words 50.9% Medium
54 Spiral Matrix 33.6% Medium
639 Decode Ways II 26.3% Hard
549 Binary Tree Longest Consecutive Sequence II 46.8% Medium
74 Search a 2D Matrix 36.3% Medium
90 Subsets II 46.3% Medium
1428 Leftmost Column with at Least a One 45.8% Medium
280 Wiggle Sort 63.4% Medium
94 Binary Tree Inorder Traversal 62.4% Medium
694 Number of Distinct Islands 55.4% Medium
298 Binary Tree Longest Consecutive Sequence 46.8% Medium
691 Stickers to Spell Word 42.3% Hard
69 Sqrt(x) 33.5% Easy
210 Course Schedule II 39.3% Medium
387 First Unique Character in a String 53.1% Easy
24 Swap Nodes in Pairs 49.6% Medium
37 Sudoku Solver 42.5% Hard
84 Largest Rectangle in Histogram 34.4% Hard
540 Single Element in a Sorted Array 57.9% Medium
616 Add Bold Tag in String 42.3% Medium
41 First Missing Positive 31.5% Hard
72 Edit Distance 44.0% Hard
145 Binary Tree Postorder Traversal 54.0% Hard
1026 Maximum Difference Between Node and Ancestor 64.8% Medium
844 Backspace String Compare 46.3% Easy
291 Word Pattern II 43.1% Hard
614 Second Degree Follower 29.4% Medium
191 Number of 1 Bits 48.7% Easy
400 Nth Digit 31.4% Medium
395 Longest Substring with At Least K Repeating Characters 40.9% Medium
1216 Valid Palindrome III 47.2% Hard
445 Add Two Numbers II 53.9% Medium
153 Find Minimum in Rotated Sorted Array 44.7% Medium
939 Minimum Area Rectangle 52.0% Medium
556 Next Greater Element III 31.4% Medium
106 Construct Binary Tree from Inorder and Postorder Traversal 44.7% Medium
284 Peeking Iterator 44.7% Medium
137 Single Number II 49.7% Medium
272 Closest Binary Search Tree Value II 49.9% Hard
26 Remove Duplicates from Sorted Array 44.6% Easy
129 Sum Root to Leaf Numbers 46.8% Medium
323 Number of Connected Components in an Undirected Graph 55.3% Medium
724 Find Pivot Index 43.6% Easy
963 Minimum Area Rectangle II 50.2% Medium
242 Valid Anagram 56.3% Easy
977 Squares of a Sorted Array 72.3% Easy
36 Valid Sudoku 48.0% Medium
103 Binary Tree Zigzag Level Order Traversal 46.6% Medium
839 Similar String Groups 38.3% Hard
363 Max Sum of Rectangle No Larger Than K 37.0% Hard
47 Permutations II 45.6% Medium
160 Intersection of Two Linked Lists 39.5% Easy
388 Longest Absolute File Path 41.5% Medium
152 Maximum Product Subarray 31.3% Medium
1269 Number of Ways to Stay in the Same Place After Some Steps 42.5% Hard
101 Symmetric Tree 46.4% Easy
63 Unique Paths II 34.2% Medium
40 Combination Sum II 47.2% Medium
333 Largest BST Subtree 35.3% Medium
637 Average of Levels in Binary Tree 62.3% Easy
969 Pancake Sorting 66.8% Medium
19 Remove Nth Node From End of List 35.0% Medium
742 Closest Leaf in a Binary Tree 43.0% Medium
405 Convert a Number to Hexadecimal 43.5% Easy
352 Data Stream as Disjoint Intervals 46.5% Hard
12 Integer to Roman 54.5% Medium
214 Shortest Palindrome 29.5% Hard
564 Find the Closest Palindrome 19.5% Hard
443 String Compression 40.6% Easy
662 Maximum Width of Binary Tree 39.8% Medium
77 Combinations 53.7% Medium
163 Missing Ranges 24.1% Medium
364 Nested List Weight Sum II 62.3% Medium
322 Coin Change 34.7% Medium
316 Remove Duplicate Letters 35.1% Hard
87 Scramble String 33.3% Hard
45 Jump Game II 30.3% Hard
515 Find Largest Value in Each Tree Row 60.6% Medium
66 Plus One 42.2% Easy
223 Rectangle Area 37.5% Medium
862 Shortest Subarray with Sum at Least K 24.1% Hard
14 Longest Common Prefix 35.2% Easy
248 Strobogrammatic Number III 39.3% Hard
688 Knight Probability in Chessboard 48.3% Medium
108 Convert Sorted Array to Binary Search Tree 56.9% Easy
491 Increasing Subsequences 45.3% Medium
437 Path Sum III 45.6% Easy
100 Same Tree 52.4% Easy
48 Rotate Image 55.5% Medium
875 Koko Eating Bananas 51.1% Medium
55 Jump Game 34.3% Medium
703 Kth Largest Element in a Stream 49.3% Easy
110 Balanced Binary Tree 43.1% Easy
260 Single Number III 60.6% Medium
934 Shortest Bridge 47.0% Medium
189 Rotate Array 34.1% Easy
167 Two Sum II - Input array is sorted 53.5% Easy
1008 Construct Binary Search Tree from Preorder Traversal 78.3% Medium
324 Wiggle Sort II 29.6% Medium
303 Range Sum Query - Immutable 43.7% Easy
776 Split BST 55.3% Medium
7 Reverse Integer 25.7% Easy
1142 User Activity for the Past 30 Days II 34.5% Easy
1213 Intersection of Three Sorted Arrays 78.7% Easy
794 Valid Tic-Tac-Toe State 32.5% Medium
228 Summary Ranges 39.0% Medium
1264 Page Recommendations 66.4% Medium
446 Arithmetic Slices II - Subsequence 32.4% Hard
281 Zigzag Iterator 58.1% Medium
307 Range Sum Query - Mutable 33.7% Medium
547 Friend Circles 57.9% Medium
442 Find All Duplicates in an Array 65.3% Medium
936 Stamping The Sequence 40.7% Hard
170 Two Sum III - Data structure design 33.3% Easy
171 Excel Sheet Column Number 54.0% Easy
855 Exam Room 42.6% Medium
60 Permutation Sequence 36.1% Medium
188 Best Time to Buy and Sell Stock IV 27.7% Hard
104 Maximum Depth of Binary Tree 65.3% Easy
641 Design Circular Deque 52.0% Medium
136 Single Number 65.1% Easy
852 Peak Index in a Mountain Array 71.4% Easy
1094 Car Pooling 56.6% Medium
16 3Sum Closest 45.8% Medium
1091 Shortest Path in Binary Matrix 37.8% Medium
384 Shuffle an Array 52.3% Medium
654 Maximum Binary Tree 79.3% Medium
1245 Tree Diameter 59.0% Medium
155 Min Stack 43.8% Easy
722 Remove Comments 33.9% Medium
655 Print Binary Tree 54.7% Medium
1132 Reported Posts II 34.0% Medium
505 The Maze II 47.3% Medium
168 Excel Sheet Column Title 30.7% Easy
112 Path Sum 40.7% Easy
593 Valid Square 42.7% Medium
609 Find Duplicate File in System 59.0% Medium
290 Word Pattern 36.7% Easy
716 Max Stack 42.4% Easy
663 Equal Tree Partition 39.3% Medium
410 Split Array Largest Sum 44.2% Hard
312 Burst Balloons 51.0% Hard
382 Linked List Random Node 51.7% Medium
478 Generate Random Point in a Circle 38.4% Medium
503 Next Greater Element II 55.5% Medium
377 Combination Sum IV 45.0% Medium
417 Pacific Atlantic Water Flow 40.5% Medium
241 Different Ways to Add Parentheses 54.4% Medium
889 Construct Binary Tree from Preorder and Postorder Traversal 65.7% Medium
154 Find Minimum in Rotated Sorted Array II 40.5% Hard
414 Third Maximum Number 30.4% Easy
159 Longest Substring with At Most Two Distinct Characters 49.0% Medium
496 Next Greater Element I 63.2% Easy
450 Delete Node in a BST 42.5% Medium
750 Number Of Corner Rectangles 66.3% Medium
981 Time Based Key-Value Store 52.7% Medium
752 Open the Lock 51.0% Medium
1032 Stream of Characters 47.7% Hard
345 Reverse Vowels of a String 43.8% Easy
578 Get Highest Answer Rate Question 38.4% Medium
371 Sum of Two Integers 50.7% Easy
714 Best Time to Buy and Sell Stock with Transaction Fee 53.9% Medium
843 Guess the Word 45.8% Hard
261 Graph Valid Tree 41.8% Medium
221 Maximal Square 37.3% Medium
681 Next Closest Time 44.7% Medium
669 Trim a Binary Search Tree 62.7% Easy
1043 Partition Array for Maximum Sum 64.8% Medium
1424 Diagonal Traverse II 40.5% Medium
70 Climbing Stairs 46.9% Easy
315 Count of Smaller Numbers After Self 41.1% Hard
916 Word Subsets 47.3% Medium
234 Palindrome Linked List 38.8% Easy
918 Maximum Sum Circular Subarray 33.4% Medium
827 Making A Large Island 45.0% Hard
113 Path Sum II 45.7% Medium
516 Longest Palindromic Subsequence 52.2% Medium
6 ZigZag Conversion 35.7% Medium
328 Odd Even Linked List 55.1% Medium
435 Non-overlapping Intervals 42.5% Medium
172 Factorial Trailing Zeroes 37.7% Easy
413 Arithmetic Slices 57.7% Medium
95 Unique Binary Search Trees II 39.8% Medium
676 Implement Magic Dictionary 53.9% Medium
493 Reverse Pairs 24.7% Hard
1053 Previous Permutation With One Swap 48.4% Medium
723 Candy Crush 68.3% Medium
535 Encode and Decode TinyURL 79.4% Medium
9 Palindrome Number 47.8% Easy
130 Surrounded Regions 26.4% Medium
1233 Remove Sub-Folders from the Filesystem 57.8% Medium
204 Count Primes 31.2% Easy
528 Random Pick with Weight 43.9% Medium
250 Count Univalue Subtrees 51.6% Medium
274 H-Index 35.4% Medium
179 Largest Number 28.2% Medium
788 Rotated Digits 57.0% Easy
176 Second Highest Salary 31.1% Easy
222 Count Complete Tree Nodes 43.0% Medium
628 Maximum Product of Three Numbers 46.9% Easy
181 Employees Earning More Than Their Managers 55.7% Easy
338 Counting Bits 69.1% Medium
1146 Snapshot Array 36.9% Medium
461 Hamming Distance 71.5% Easy
886 Possible Bipartition 43.6% Medium
279 Perfect Squares 45.7% Medium
848 Shifting Letters 44.2% Medium
178 Rank Scores 44.4% Medium
787 Cheapest Flights Within K Stops 37.6% Medium
373 Find K Pairs with Smallest Sums 36.2% Medium
778 Swim in Rising Water 52.3% Hard
1439 Find the Kth Smallest Sum of a Matrix With Sorted Rows 57.8% Hard
1019 Next Greater Node In Linked List 57.1% Medium
759 Employee Free Time 65.3% Hard
726 Number of Atoms 48.1% Hard
652 Find Duplicate Subtrees 49.8% Medium
59 Spiral Matrix II 52.9% Medium
773 Sliding Puzzle 58.6% Hard
344 Reverse String 67.8% Easy
995 Minimum Number of K Consecutive Bit Flips 46.3% Hard
1062 Longest Repeating Substring 56.1% Medium
287 Find the Duplicate Number 53.8% Medium
118 Pascal's Triangle 51.5% Easy
821 Shortest Distance to a Character 66.5% Easy
1141 User Activity for the Past 30 Days I 54.2% Easy
1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree 83.4% Medium
550 Game Play Analysis IV 45.3% Medium
884 Uncommon Words from Two Sentences 62.8% Easy
572 Subtree of Another Tree 44.0% Easy
229 Majority Element II 35.1% Medium
402 Remove K Digits 28.3% Medium
983 Minimum Cost For Tickets 59.6% Medium
1108 Defanging an IP Address 86.9% Easy
353 Design Snake Game 33.6% Medium
268 Missing Number 51.2% Easy
1241 Number of Comments per Post 66.8% Easy
1057 Campus Bikes 58.1% Medium
141 Linked List Cycle 40.6% Easy
310 Minimum Height Trees 31.9% Medium
710 Random Pick with Blacklist 32.4% Hard
289 Game of Life 53.4% Medium
1360 Number of Days Between Two Dates 49.7% Easy
1209 Remove All Adjacent Duplicates in String II 56.3% Medium
217 Contains Duplicate 55.7% Easy
412 Fizz Buzz 61.9% Easy
472 Concatenated Words 42.6% Hard
653 Two Sum IV - Input is a BST 55.1% Easy
226 Invert Binary Tree 64.2% Easy
1047 Remove All Adjacent Duplicates In String 67.9% Easy
1031 Maximum Sum of Two Non-Overlapping Subarrays 57.3% Medium
997 Find the Town Judge 50.1% Easy
679 24 Game 45.9% Hard
1445 Apples & Oranges 90.1% Medium
792 Number of Matching Subsequences 47.2% Medium
265 Paint House II 44.3% Hard
673 Number of Longest Increasing Subsequence 35.4% Medium
1275 Find Winner on a Tic Tac Toe Game 52.7% Easy
509 Fibonacci Number 67.0% Easy
202 Happy Number 50.1% Easy
1055 Shortest Way to Form String 56.9% Medium
96 Unique Binary Search Trees 50.9% Medium
698 Partition to K Equal Sum Subsets 44.8% Medium
611 Valid Triangle Number 48.1% Medium
1219 Path with Maximum Gold 64.6% Medium
337 House Robber III 50.3% Medium
525 Contiguous Array 42.5% Medium
205 Isomorphic Strings 39.5% Easy
80 Remove Duplicates from Sorted Array II 43.4% Medium
872 Leaf-Similar Trees 64.7% Easy
1305 All Elements in Two Binary Search Trees 75.5% Medium
64 Minimum Path Sum 53.6% Medium
832 Flipping an Image 75.6% Easy
518 Coin Change 2 49.7% Medium
733 Flood Fill 54.8% Easy
739 Daily Temperatures 62.8% Medium
646 Maximum Length of Pair Chain 51.2% Medium
1021 Remove Outermost Parentheses 77.4% Easy
392 Is Subsequence 49.1% Easy
706 Design HashMap 60.5% Easy
701 Insert into a Binary Search Tree 78.6% Medium
1304 Find N Unique Integers Sum up to Zero 76.0% Easy
404 Sum of Left Leaves 50.7% Easy
771 Jewels and Stones 86.1% Easy
451 Sort Characters By Frequency 62.5% Medium
134 Gas Station 37.8% Medium
237 Delete Node in a Linked List 62.5% Easy
905 Sort Array By Parity 73.9% Easy
448 Find All Numbers Disappeared in an Array 55.7% Easy
1453 Maximum Number of Darts Inside of a Circular Dartboard 33.3% Hard
1460 Make Two Arrays Equal by Reversing Sub-arrays 78.1% Easy
1443 Minimum Time to Collect All Apples in a Tree 56.5% Medium
1398 Customers Who Bought Products A and B but Not C 79.6% Medium
1357 Apply Discount Every n Orders 65.3% Medium
1322 Ads Performance 56.9% Easy
1242 Web Crawler Multithreaded 44.0% Medium
1225 Report Contiguous Dates 61.0% Hard
1211 Queries Quality and Percentage 67.5% Easy
1361 Validate Binary Tree Nodes 52.8% Medium
1236 Web Crawler 64.1% Medium
1077 Project Employees III 74.5% Medium
1076 Project Employees II 53.2% Easy
1075 Project Employees I 64.5% Easy
1040 Moving Stones Until Consecutive II 52.4% Medium
1033 Moving Stones Until Consecutive 41.0% Easy
998 Maximum Binary Tree II 62.7% Medium
989 Add to Array-Form of Integer 44.1% Easy
968 Binary Tree Cameras 36.8% Hard
893 Groups of Special-Equivalent Strings 65.9% Easy
801 Minimum Swaps To Make Sequences Increasing 38.6% Medium
784 Letter Case Permutation 63.5% Easy
764 Largest Plus Sign 45.8% Medium
745 Prefix and Suffix Search 33.8% Hard
275 H-Index II 36.2% Medium |
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