Leetcode FB tag 的题目列表

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# Title Acceptance Difficulty
621 Task Scheduler 46.2% Medium
56 Merge Intervals 36.5% Medium
350 Intersection of Two Arrays II 48.9% Easy
15 3Sum 24.7% Medium
10 Regular Expression Matching 25.6% Hard
674 Longest Continuous Increasing Subsequence 44.8% Easy
121 Best Time to Buy and Sell Stock 48.1% Easy
314 Binary Tree Vertical Order Traversal 41.8% Medium
257 Binary Tree Paths 47.1% Easy
51 N-Queens 41.2% Hard
42 Trapping Rain Water 44.5% Hard
173 Binary Search Tree Iterator 50.2% Medium
151 Reverse Words in a String 17.7% Medium
43 Multiply Strings 31.5% Medium
273 Integer to English Words 24.8% Hard
91 Decode Ways 22.8% Medium
138 Copy List with Random Pointer 28.6% Medium
283 Move Zeroes 55.1% Easy
236 Lowest Common Ancestor of a Binary Tree 39.3% Medium
253 Meeting Rooms II 43.5% Medium
449 Serialize and Deserialize BST 48.5% Medium
133 Clone Graph 28.2% Medium
49 Group Anagrams 49.0% Medium
31 Next Permutation 31.0% Medium
339 Nested List Weight Sum 69.5% Easy
29 Divide Two Integers 16.2% Medium
114 Flatten Binary Tree to Linked List 43.9% Medium
301 Remove Invalid Parentheses 40.2% Hard
1 Two Sum 44.5% Easy
98 Validate Binary Search Tree 26.2% Medium
88 Merge Sorted Array 36.7% Easy
642 Design Search Autocomplete System 39.4% Hard
139 Word Break 36.4% Medium
560 Subarray Sum Equals K 42.8% Medium
297 Serialize and Deserialize Binary Tree 42.4% Hard
102 Binary Tree Level Order Traversal 49.9% Medium
348 Design Tic-Tac-Toe 50.8% Medium
4 Median of Two Sorted Arrays 27.2% Hard
278 First Bad Version 31.1% Easy
76 Minimum Window Substring 31.8% Hard
65 Valid Number 14.3% Hard
32 Longest Valid Parentheses 26.2% Hard
8 String to Integer (atoi) 14.8% Medium
215 Kth Largest Element in an Array 49.5% Medium
17 Letter Combinations of a Phone Number 42.8% Medium
567 Permutation in String 39.1% Medium
5 Longest Palindromic Substring 27.8% Medium
636 Exclusive Time of Functions 49.3% Medium
349 Intersection of Two Arrays 56.5% Easy
295 Find Median from Data Stream 38.3% Hard
13 Roman to Integer 53.2% Easy
380 Insert Delete GetRandom O(1) 43.6% Medium
277 Find the Celebrity 38.0% Medium
282 Expression Add Operators 33.5% Hard
122 Best Time to Buy and Sell Stock II 52.9% Easy
341 Flatten Nested List Iterator 49.1% Medium
285 Inorder Successor in BST 36.0% Medium
44 Wildcard Matching 23.3% Hard
20 Valid Parentheses 37.2% Easy
270 Closest Binary Search Tree Value 44.6% Easy
67 Add Binary 40.4% Easy
680 Valid Palindrome II 34.8% Easy
200 Number of Islands 42.7% Medium
3 Longest Substring Without Repeating Characters 28.8% Medium
146 LRU Cache 27.1% Medium
158 Read N Characters Given Read4 II - Call multiple times 27.7% Hard
125 Valid Palindrome 32.2% Easy
157 Read N Characters Given Read4 30.5% Easy
211 Add and Search Word - Data structure design 31.6% Medium
34 Find First and Last Position of Element in Sorted Array 34.1% Medium
477 Total Hamming Distance 49.5% Medium
111 Minimum Depth of Binary Tree 35.8% Easy
23 Merge k Sorted Lists 35.9% Hard
37 Sudoku Solver 38.6% Hard
249 Group Shifted Strings 49.8% Medium
694 Number of Distinct Islands 52.3% Medium
124 Binary Tree Maximum Path Sum 30.8% Hard
543 Diameter of Binary Tree 47.4% Easy
22 Generate Parentheses 56.8% Medium
468 Validate IP Address 21.7% Medium
105 Construct Binary Tree from Preorder and Inorder Traversal 42.9% Medium
235 Lowest Common Ancestor of a Binary Search Tree 46.0% Easy
206 Reverse Linked List 56.6% Easy
438 Find All Anagrams in a String 38.2% Medium
317 Shortest Distance from All Buildings 38.8% Hard
9 Palindrome Number 44.7% Easy
252 Meeting Rooms 52.7% Easy
126 Word Ladder II 18.7% Hard
304 Range Sum Query 2D - Immutable 33.9% Medium
247 Strobogrammatic Number II 45.2% Medium
143 Reorder List 32.1% Medium
399 Evaluate Division 48.6% Medium
647 Palindromic Substrings 57.8% Medium
11 Container With Most Water 46.5% Medium
128 Longest Consecutive Sequence 42.6% Hard
227 Basic Calculator II 34.4% Medium
145 Binary Tree Postorder Traversal 50.0% Hard
2 Add Two Numbers 31.7% Medium
785 Is Graph Bipartite? 44.4% Medium
50 Pow(x, n) 28.5% Medium
825 Friends Of Appropriate Ages 37.8% Medium
53 Maximum Subarray 44.4% Easy
381 Insert Delete GetRandom O(1) - Duplicates allowed 32.5% Hard
21 Merge Two Sorted Lists 48.7% Easy
238 Product of Array Except Self 56.4% Medium
387 First Unique Character in a String 50.6% Easy
494 Target Sum 45.7% Medium
103 Binary Tree Zigzag Level Order Traversal 43.1% Medium
239 Sliding Window Maximum 39.2% Hard
162 Find Peak Element 41.8% Medium
94 Binary Tree Inorder Traversal 58.3% Medium
110 Balanced Binary Tree 41.6% Easy
75 Sort Colors 43.1% Medium
46 Permutations 57.2% Medium
691 Stickers to Spell Word 39.2% Hard
246 Strobogrammatic Number 42.9% Easy
721 Accounts Merge 42.3% Medium
347 Top K Frequent Elements 56.4% Medium
33 Search in Rotated Sorted Array 33.1% Medium
286 Walls and Gates 50.4% Medium
78 Subsets 54.8% Medium
79 Word Search 32.2% Medium
269 Alien Dictionary 32.0% Hard
26 Remove Duplicates from Sorted Array 41.8% Easy
224 Basic Calculator 33.8% Hard
218 The Skyline Problem 32.3% Hard
415 Add Strings 44.4% Easy
689 Maximum Sum of 3 Non-Overlapping Subarrays 44.3% Hard
670 Maximum Swap 40.5% Medium
39 Combination Sum 50.5% Medium
36 Valid Sudoku 44.5% Medium
112 Path Sum 38.6% Easy
311 Sparse Matrix Multiplication 57.4% Medium
496 Next Greater Element I 60.4% Easy
47 Permutations II 42.0% Medium
498 Diagonal Traverse 45.8% Medium
523 Continuous Subarray Sum 24.2% Medium
7 Reverse Integer 25.5% Easy
340 Longest Substring with At Most K Distinct Characters 40.9% Hard
161 One Edit Distance 31.9% Medium
692 Top K Frequent Words 46.9% Medium
207 Course Schedule 39.1% Medium
463 Island Perimeter 61.7% Easy
824 Goat Latin 58.5% Easy
398 Random Pick Index 51.0% Medium
393 UTF-8 Validation 36.3% Medium
104 Maximum Depth of Binary Tree 61.9% Easy
24 Swap Nodes in Pairs 46.2% Medium
199 Binary Tree Right Side View 49.3% Medium
394 Decode String 46.2% Medium
426 Convert Binary Search Tree to Sorted Doubly Linked List 54.0% Medium
489 Robot Room Cleaner 65.9% Hard
767 Reorganize String 43.7% Medium
358 Rearrange String k Distance Apart 33.5% Hard
344 Reverse String 64.0% Easy
622 Design Circular Queue 40.6% Medium
632 Smallest Range Covering Elements from K Lists 48.9% Hard
54 Spiral Matrix 31.3% Medium
528 Random Pick with Weight 42.9% Medium
71 Simplify Path 29.5% Medium
189 Rotate Array 31.3% Easy
416 Partition Equal Subset Sum 41.5% Medium
66 Plus One 41.6% Easy
329 Longest Increasing Path in a Matrix 40.9% Hard
536 Construct Binary Tree from String 46.1% Medium
572 Subtree of Another Tree 42.1% Easy
109 Convert Sorted List to Binary Search Tree 42.3% Medium
41 First Missing Positive 29.6% Hard
319 Bulb Switcher 44.3% Medium
240 Search a 2D Matrix II 41.3% Medium
188 Best Time to Buy and Sell Stock IV 26.8% Hard
303 Range Sum Query - Immutable 39.5% Easy
117 Populating Next Right Pointers in Each Node II 35.4% Medium
724 Find Pivot Index 41.8% Easy
166 Fraction to Recurring Decimal 19.9% Medium
405 Convert a Number to Hexadecimal 42.4% Easy
540 Single Element in a Sorted Array 57.4% Medium
708 Insert into a Cyclic Sorted List 30.0% Medium
25 Reverse Nodes in k-Group 37.7% Hard
865 Smallest Subtree with all the Deepest Nodes 57.4% Medium
136 Single Number 61.3% Easy
430 Flatten a Multilevel Doubly Linked List 43.7% Medium
896 Monotonic Array 55.7% Easy
628 Maximum Product of Three Numbers 46.5% Easy
885 Spiral Matrix III 65.6% Medium
181 Employees Earning More Than Their Managers 50.2% Easy
921 Minimum Add to Make Parentheses Valid 70.4% Medium
480 Sliding Window Median 33.6% Hard
766 Toeplitz Matrix 62.4% Easy
938 Range Sum of BST 78.1% Easy
953 Verifying an Alien Dictionary 56.1% Easy
843 Guess the Word 44.6% Hard
958 Check Completeness of a Binary Tree 48.5% Medium
973 K Closest Points to Origin 61.4% Medium
935 Knight Dialer 41.9% Medium
977 Squares of a Sorted Array 71.7% Easy
986 Interval List Intersections 63.8% Medium
987 Vertical Order Traversal of a Binary Tree 32.2% Medium
1004 Max Consecutive Ones III 54.6% Medium
202 Happy Number 46.4% Easy
163 Missing Ranges 23.5% Medium
771 Jewels and Stones 83.6% Easy
1008 Construct Binary Search Tree from Preorder Traversal 73.3% Medium
981 Time Based Key-Value Store 51.5% Medium
863 All Nodes Distance K in Binary Tree 49.7% Medium
1027 Longest Arithmetic Sequence 49.8% Medium
739 Daily Temperatures 60.5% Medium
794 Valid Tic-Tac-Toe State 30.6% Medium
1021 Remove Outermost Parentheses 75.1% Easy