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LeetCode-JS

最近更新

完成列表(444)

# Title difficulty
1 Two Sum Easy
2 Add Two Numbers Medium
3 Longest Substring Without Repeating Characters Medium
4 Median of Two Sorted Arrays Hard
5 Longest Palindromic Substring Medium
6 ZigZag Conversion Medium
7 Reverse Integer Easy
8 String to Integer (atoi) Medium
9 Palindrome Number Easy
10 Regular Expression Matching Hard
11 Container With Most Water Medium
12 Integer to Roman Medium
13 Roman to Integer Easy
14 Longest Common Prefix Easy
15 3Sum Medium
16 3Sum Closest Medium
17 Letter Combinations of a Phone Number Medium
19 Remove Nth Node From End of List Medium
20 Valid Parentheses Easy
21 Merge Two Sorted Lists Easy
22 Generate Parentheses Medium
23 Merge k Sorted Lists Hard
24 Swap Nodes in Pairs Medium
25 Reverse Nodes in k-Group Hard
26 Remove Duplicates from Sorted Array Easy
27 Remove Element Easy
28 Implement strStr() Easy
31 Next Permutation Medium
32 Longest Valid Parentheses Hard
33 Search in Rotated Sorted Array Medium
34 Find First and Last Position of Element in Sorted Array Medium
35 Search Insert Position Easy
36 Valid Sudoku Medium
37 Sudoku Solver Hard
38 Count and Say Easy
39 Combination Sum Medium
40 Combination Sum II Medium
41 First Missing Positive Hard
42 Trapping Rain Water Hard
43 Multiply Strings Medium
45 Jump Game II Hard
46 Permutations Medium
47 Permutations II Medium
48 Rotate Image Medium
49 Group Anagrams Medium
50 Pow(x, n) Medium
51 N-Queens Hard
52 N-Queens II Hard
53 Maximum Subarray Easy
54 Spiral Matrix Medium
55 Jump Game Medium
56 Merge Intervals Medium
57 Insert Interval Hard
58 Length of Last Word Easy
59 Spiral Matrix II Medium
60 Permutation Sequence Medium
61 Rotate List Medium
62 Unique Paths Medium
63 Unique Paths II Medium
64 Minimum Path Sum Medium
66 Plus One Easy
67 Add Binary Easy
68 Text Justification Hard
69 Sqrt(x) Easy
70 Climbing Stairs Easy
71 Simplify Path Medium
73 Set Matrix Zeroes Medium
75 Sort Colors Medium
77 Combinations Medium
78 Subsets Medium
79 Word Search Medium
82 Remove Duplicates from Sorted List II Medium
83 Remove Duplicates from Sorted List Easy
86 Partition List Medium
88 Merge Sorted Array Easy
89 Gray Code Medium
90 Subsets II Medium
92 Reverse Linked List II Medium
94 Binary Tree Inorder Traversal Medium
96 Unique Binary Search Trees Medium
100 Same Tree Easy
101 Symmetric Tree Easy
102 Binary Tree Level Order Traversal Medium
103 Binary Tree Zigzag Level Order Traversal Medium
104 Maximum Depth of Binary Tree Easy
105 Construct Binary Tree from Preorder and Inorder Traversal Medium
106 Construct Binary Tree from Inorder and Postorder Traversal Medium
107 Binary Tree Level Order Traversal II Easy
108 Convert Sorted Array to Binary Search Tree Easy
109 Convert Sorted List to Binary Search Tree Medium
110 Balanced Binary Tree Easy
111 Minimum Depth of Binary Tree Easy
112 Path Sum Easy
113 Path Sum II Medium
114 Flatten Binary Tree to Linked List Medium
115 Distinct Subsequences Hard
116 Populating Next Right Pointers in Each Node Medium
117 Populating Next Right Pointers in Each Node II Medium
118 Pascal's Triangle Easy
119 Pascal's Triangle II Easy
120 Triangle Medium
121 Best Time to Buy and Sell Stock Easy
122 Best Time to Buy and Sell Stock II Easy
136 Single Number Easy
141 Linked List Cycle Easy
143 Reorder List Medium
147 Insertion Sort List Medium
155 Min Stack Easy
160 Intersection of Two Linked Lists Easy
162 Find Peak Element Medium
167 Two Sum II - Input array is sorted Easy
168 Excel Sheet Column Title Easy
169 Majority Element Easy
171 Excel Sheet Column Number Easy
172 Factorial Trailing Zeroes Easy
189 Rotate Array Easy
190 Reverse Bits Easy
191 Number of 1 Bits Easy
198 House Robber Easy
202 Happy Number Easy
203 Remove Linked List Elements Easy
204 Count Primes Easy
205 Isomorphic Strings Easy
206 Reverse Linked List Easy
217 Contains Duplicate Easy
219 Contains Duplicate II Easy
225 Implement Stack using Queues Easy
226 Invert Binary Tree Easy
230 Kth Smallest Element in a BST Medium
231 Power of Two Easy
232 Implement Queue using Stacks Easy
234 Palindrome Linked List Easy
235 Lowest Common Ancestor of a Binary Search Tree Easy
237 Delete Node in a Linked List Easy
238 Product of Array Except Self Medium
242 Valid Anagram Easy
257 Binary Tree Paths Easy
258 Add Digits Easy
260 Single Number III Medium
263 Ugly Number Easy
268 Missing Number Easy
274 H-Index Medium
278 First Bad Version Easy
283 Move Zeroes Easy
290 Word Pattern Easy
292 Nim Game Easy
299 Bulls and Cows Easy
303 Range Sum Query - Immutable Easy
326 Power of Three Easy
338 Counting Bits Medium
342 Power of Four Easy
344 Reverse String Easy
345 Reverse Vowels of a String Easy
347 Top K Frequent Elements Medium
349 Intersection of Two Arrays Easy
350 Intersection of Two Arrays II Easy
367 Valid Perfect Square Easy
371 Sum of Two Integers Easy
374 Guess Number Higher or Lower Easy
383 Ransom Note Easy
387 First Unique Character in a String Easy
389 Find the Difference Easy
392 Is Subsequence Easy
398 Random Pick Index Medium
400 Nth Digit Medium
401 Binary Watch Easy
404 Sum of Left Leaves Easy
405 Convert a Number to Hexadecimal Easy
406 Queue Reconstruction by Height Medium
409 Longest Palindrome Easy
412 Fizz Buzz Easy
413 Arithmetic Slices Medium
414 Third Maximum Number Easy
415 Add Strings Easy
419 Battleships in a Board Medium
434 Number of Segments in a String Easy
437 Path Sum III Easy
438 Find All Anagrams in a String Medium
441 Arranging Coins Easy
442 Find All Duplicates in an Array Medium
443 String Compression Easy
447 Number of Boomerangs Easy
448 Find All Numbers Disappeared in an Array Easy
451 Sort Characters By Frequency Medium
453 Minimum Moves to Equal Array Elements Easy
455 Assign Cookies Easy
458 Poor Pigs Hard
459 Repeated Substring Pattern Easy
462 Minimum Moves to Equal Array Elements II Medium
463 Island Perimeter Easy
467 Unique Substrings in Wraparound String Medium
475 Heaters Easy
476 Number Complement Easy
479 Largest Palindrome Product Hard
481 Magical String Medium
482 License Key Formatting Easy
485 Max Consecutive Ones Easy
492 Construct the Rectangle Easy
495 Teemo Attacking Medium
496 Next Greater Element I Easy
500 Keyboard Row Easy
501 Find Mode in Binary Search Tree Easy
504 Base 7 Easy
506 Relative Ranks Easy
507 Perfect Number Easy
508 Most Frequent Subtree Sum Medium
513 Find Bottom Left Tree Value Medium
515 Find Largest Value in Each Tree Row Medium
520 Detect Capital Easy
521 Longest Uncommon Subsequence I Easy
526 Beautiful Arrangement Medium
529 Minesweeper Medium
530 Minimum Absolute Difference in BST Easy
532 K-diff Pairs in an Array Easy
535 Encode and Decode TinyURL Medium
537 Complex Number Multiplication Medium
538 Convert BST to Greater Tree Easy
540 Single Element in a Sorted Array Medium
541 Reverse String II Easy
543 Diameter of Binary Tree Easy
547 Friend Circles Medium
551 Student Attendance Record I Easy
553 Optimal Division Medium
557 Reverse Words in a String III Easy
561 Array Partition I Easy
563 Binary Tree Tilt Easy
566 Reshape the Matrix Easy
567 Permutation in String Medium
572 Subtree of Another Tree Easy
575 Distribute Candies Easy
581 Shortest Unsorted Continuous Subarray Easy
594 Longest Harmonious Subsequence Easy
599 Minimum Index Sum of Two Lists Easy
605 Can Place Flowers Easy
606 Construct String from Binary Tree Easy
609 Find Duplicate File in System Medium
617 Merge Two Binary Trees Easy
628 Maximum Product of Three Numbers Easy
633 Sum of Square Numbers Easy
637 Average of Levels in Binary Tree Easy
643 Maximum Average Subarray I Easy
645 Set Mismatch Easy
647 Palindromic Substrings Medium
653 Two Sum IV - Input is a BST Easy
654 Maximum Binary Tree Medium
655 Print Binary Tree Medium
657 Robot Return to Origin Easy
661 Image Smoother Easy
665 Non-decreasing Array Easy
667 Beautiful Arrangement II Medium
669 Trim a Binary Search Tree Easy
671 Second Minimum Node In a Binary Tree Easy
674 Longest Continuous Increasing Subsequence Easy
677 Map Sum Pairs Medium
680 Valid Palindrome II Easy
682 Baseball Game Easy
686 Repeated String Match Easy
687 Longest Univalue Path Easy
690 Employee Importance Easy
693 Binary Number with Alternating Bits Easy
695 Max Area of Island Medium
696 Count Binary Substrings Easy
697 Degree of an Array Easy
713 Subarray Product Less Than K Medium
717 1-bit and 2-bit Characters Easy
720 Longest Word in Dictionary Easy
724 Find Pivot Index Easy
725 Split Linked List in Parts Medium
728 Self Dividing Numbers Easy
732 My Calendar III Hard
733 Flood Fill Easy
739 Daily Temperatures Medium
709 To Lower Case Easy
744 Find Smallest Letter Greater Than Target Easy
746 Min Cost Climbing Stairs Easy
747 Largest Number At Least Twice of Others Easy
748 Shortest Completing Word Easy
762 Prime Number of Set Bits in Binary Representation Easy
559 Maximum Depth of N-ary Tree Easy
589 N-ary Tree Preorder Traversal Easy
590 N-ary Tree Postorder Traversal Easy
766 Toeplitz Matrix Easy
771 Jewels and Stones Easy
700 Search in a Binary Search Tree Easy
703 Kth Largest Element in a Stream Easy
704 Binary Search Easy
783 Minimum Distance Between BST Nodes Easy
784 Letter Case Permutation Easy
788 Rotated Digits Easy
796 Rotate String Easy
705 Design HashSet Easy
706 Design HashMap Easy
804 Unique Morse Code Words Easy
806 Number of Lines To Write String Easy
811 Subdomain Visit Count Easy
819 Most Common Word Easy
821 Shortest Distance to a Character Easy
824 Goat Latin Easy
830 Positions of Large Groups Easy
832 Flipping an Image Easy
833 Find And Replace in String Medium
836 Rectangle Overlap Easy
840 Magic Squares In Grid Easy
844 Backspace String Compare Easy
849 Maximize Distance to Closest Person Easy
852 Peak Index in a Mountain Array Easy
859 Buddy Strings Easy
860 Lemonade Change Easy
863 All Nodes Distance K in Binary Tree Medium
867 Transpose Matrix Easy
868 Binary Gap Easy
872 Leaf-Similar Trees Easy
874 Walking Robot Simulation Easy
876 Middle of the Linked List Easy
883 Projection Area of 3D Shapes Easy
884 Uncommon Words from Two Sentences Easy
885 Spiral Matrix III Medium
888 Fair Candy Swap Easy
889 Construct Binary Tree from Preorder and Postorder Traversal Medium
890 Find and Replace Pattern Medium
892 Surface Area of 3D Shapes Easy
893 Groups of Special-Equivalent Strings Easy
894 All Possible Full Binary Trees Medium
896 Monotonic Array Easy
897 Increasing Order Search Tree Easy
905 Sort Array By Parity Easy
908 Smallest Range I Easy
912 Sort an Array Medium
914 X of a Kind in a Deck of Cards Easy
921 Minimum Add to Make Parentheses Valid Medium
922 Sort Array By Parity II Easy
925 Long Pressed Name Easy
929 Unique Email Addresses Easy
931 Minimum Falling Path Sum Medium
933 Number of Recent Calls Easy
937 Reorder Data in Log Files Easy
938 Range Sum of BST Easy
941 Valid Mountain Array Easy
942 DI String Match Easy
944 Delete Columns to Make Sorted Easy
946 Validate Stack Sequences Medium
949 Largest Time for Given Digits Easy
950 Reveal Cards In Increasing Order Medium
951 Flip Equivalent Binary Trees Medium
953 Verifying an Alien Dictionary Easy
959 Regions Cut By Slashes Medium
965 Univalued Binary Tree Easy
969 Pancake Sorting Medium
970 Powerful Integers Easy
509 Fibonacci Number Easy
976 Largest Perimeter Triangle Easy
977 Squares of a Sorted Array Easy
979 Distribute Coins in Binary Tree Medium
985 Sum of Even Numbers After Queries Easy
986 Interval List Intersections Medium
989 Add to Array-Form of Integer Easy
993 Cousins in Binary Tree Easy
994 Rotting Oranges Medium
997 Find the Town Judge Easy
998 Maximum Binary Tree II Medium
999 Available Captures for Rook Easy
1002 Find Common Characters Easy
1005 Maximize Sum Of Array After K Negations Easy
1009 Complement of Base 10 Integer Easy
1010 Pairs of Songs With Total Durations Divisible by 60 Easy
1013 Partition Array Into Three Parts With Equal Sum Easy
1018 Binary Prefix Divisible By 5 Easy
1022 Sum of Root To Leaf Binary Numbers Easy
1025 Divisor Game Easy
1030 Matrix Cells in Distance Order Easy
1029 Two City Scheduling Easy
1033 Moving Stones Until Consecutive Easy
1160 Find Words That Can Be Formed by Characters Easy
1037 Valid Boomerang Easy
1042 Flower Planting With No Adjacent Easy
1046 Last Stone Weight Easy
1047 Remove All Adjacent Duplicates In String Easy
1051 Height Checker Easy
1071 Greatest Common Divisor of Strings Easy
1078 Occurrences After Bigram Easy
1089 Duplicate Zeros Easy
1103 Distribute Candies to People Easy
1108 Defanging an IP Address Easy
1122 Relative Sort Array Easy
1287 Element Appearing More Than 25% In Sorted Array Easy
1128 Number of Equivalent Domino Pairs Easy
1299 Replace Elements with Greatest Element on Right Side Easy
1137 N-th Tribonacci Number Easy
1313 Decompress Run-Length Encoded List Easy
1331 Rank Transform of an Array Easy
1154 Day of the Year Easy
1171 Remove Zero Sum Consecutive Nodes from Linked List Medium
1170 Compare Strings by Frequency of the Smallest Character Easy
1360 Number of Days Between Two Dates Easy
1175 Prime Arrangements Easy
1184 Distance Between Bus Stops Easy
1185 Day of the Week Easy
1189 Maximum Number of Balloons Easy
1200 Minimum Absolute Difference Easy
1207 Unique Number of Occurrences Easy
1217 Play with Chips Easy
1221 Split a String in Balanced Strings Easy
1232 Check If It Is a Straight Line Easy
1237 Find Positive Integer Solution for a Given Equation Easy
1252 Cells with Odd Values in a Matrix Easy
1260 Shift 2D Grid Easy
1266 Minimum Time Visiting All Points Easy
1275 Find Winner on a Tic Tac Toe Game Easy
1281 Subtract the Product and Sum of Digits of an Integer Easy
1290 Convert Binary Number in a Linked List to Integer Easy
1295 Find Numbers with Even Number of Digits Easy
1304 Find N Unique Integers Sum up to Zero Easy
1309 Decrypt String from Alphabet to Integer Mapping Easy
1317 Convert Integer to the Sum of Two No-Zero Integers Easy
1342 Number of Steps to Reduce a Number to Zero Easy
1323 Maximum 69 Number Easy
1356 Sort Integers by The Number of 1 Bits Easy
1337 The K Weakest Rows in a Matrix Easy
1346 Check If N and Its Double Exist Easy
1370 Increasing Decreasing String Easy
1351 Count Negative Numbers in a Sorted Matrix Easy
1365 How Many Numbers Are Smaller Than the Current Number Easy
1385 Find the Distance Value Between Two Arrays Easy
1374 Generate a String With Characters That Have Odd Counts Easy
1380 Lucky Numbers in a Matrix Easy
1399 Count Largest Group Easy
1389 Create Target Array in the Given Order Easy
1394 Find Lucky Integer in an Array Easy
1413 Minimum Value to Get Positive Step by Step Sum Easy
1403 Minimum Subsequence in Non-Increasing Order Easy
1408 String Matching in an Array Easy
1431 Kids With the Greatest Number of Candies Easy
1417 Reformat The String Easy
1422 Maximum Score After Splitting a String Easy
1446 Consecutive Characters Easy
1436 Destination City Easy
1441 Build an Array With Stack Operations Easy
1460 Make Two Arrays Equal by Reversing Sub-arrays Easy
1450 Number of Students Doing Homework at a Given Time Easy
1455 Check If a Word Occurs As a Prefix of Any Word in a Sentence Easy
1475 Final Prices With a Special Discount in a Shop Easy
1464 Maximum Product of Two Elements in an Array Easy
1470 Shuffle the Array Easy
1480 Running Sum of 1d Array Easy

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LeetCode problems with JS

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