LeetCode by xhu

ID	Title	Difficulty	Solutions
1	Two Sum	Easy	JavaScript
2	Add Two Numbers	Medium	JavaScript
3	Longest Substring Without Repeating Characters	Medium	JavaScript
5	Longest Palindromic Substring	Medium	JavaScript
6	Zigzag Conversion	Medium	JavaScript
7	Reverse Integer	Medium	JavaScript
8	String to Integer (atoi)	Medium	JavaScript
9	Palindrome Number	Easy	JavaScript
10	Regular Expression Matching	Hard	JavaScript
11	Container With Most Water	Medium	JavaScript Rust
12	Integer to Roman	Medium	JavaScript
13	Roman to Integer	Easy	JavaScript
14	Longest Common Prefix	Easy	JavaScript
15	3Sum	Medium	JavaScript
16	3Sum Closest	Medium	JavaScript
17	Letter Combinations of a Phone Number	Medium	JavaScript Go
18	4Sum	Medium	JavaScript Go
19	Remove Nth Node From End of List	Medium	JavaScript Go
20	Valid Parentheses	Easy	JavaScript TypeScript
21	Merge Two Sorted Lists	Easy	JavaScript
22	Generate Parentheses	Medium	JavaScript
23	Merge k Sorted Lists	Hard	JavaScript TypeScript
24	Swap Nodes in Pairs	Medium	JavaScript
25	Reverse Nodes in k-Group	Hard	JavaScript
26	Remove Duplicates from Sorted Array	Easy	JavaScript
27	Remove Element	Easy	JavaScript
28	Find the Index of the First Occurrence in a String	Easy	JavaScript TypeScript
29	Divide Two Integers	Medium	JavaScript
31	Next Permutation	Medium	Rust
32	Longest Valid Parentheses	Hard	Go
34	Find First and Last Position of Element in Sorted Array	Medium	JavaScript Go
35	Search Insert Position	Easy	JavaScript TypeScript
38	Count and Say	Medium	JavaScript
39	Combination Sum	Medium	JavaScript
41	First Missing Positive	Hard	JavaScript
43	Multiply Strings	Medium	JavaScript
45	Jump Game II	Medium	Go
46	Permutations	Medium	JavaScript
48	Rotate Image	Medium	JavaScript Go
49	Group Anagrams	Medium	JavaScript
51	N-Queens	Hard	Go
52	N-Queens II	Hard	Go
53	Maximum Subarray	Medium	JavaScript
54	Spiral Matrix	Medium	JavaScript
55	Jump Game	Medium	JavaScript
56	Merge Intervals	Medium	JavaScript
58	Length of Last Word	Easy	JavaScript
59	Spiral Matrix II	Medium	JavaScript
60	Permutation Sequence	Hard	JavaScript
61	Rotate List	Medium	JavaScript
62	Unique Paths	Medium	JavaScript
63	Unique Paths II	Medium	JavaScript Go
64	Minimum Path Sum	Medium	JavaScript TypeScript
65	Valid Number	Hard	Go
66	Plus One	Easy	JavaScript
67	Add Binary	Easy	JavaScript TypeScript Java
68	Text Justification	Hard	JavaScript
69	Sqrt(x)	Easy	JavaScript
71	Simplify Path	Medium	JavaScript TypeScript
72	Edit Distance	Medium	TypeScript
73	Set Matrix Zeroes	Medium	JavaScript
75	Sort Colors	Medium	JavaScript
77	Combinations	Medium	JavaScript
78	Subsets	Medium	JavaScript Python Rust
79	Word Search	Medium	JavaScript Python
80	Remove Duplicates from Sorted Array II	Medium	JavaScript Rust
83	Remove Duplicates from Sorted List	Easy	JavaScript
86	Partition List	Medium	JavaScript Go
87	Scramble String	Hard	Go
88	Merge Sorted Array	Easy	JavaScript
89	Gray Code	Medium	JavaScript Go
90	Subsets II	Medium	JavaScript
91	Decode Ways	Medium	JavaScript
92	Reverse Linked List II	Medium	JavaScript Java
93	Restore IP Addresses	Medium	JavaScript
94	Binary Tree Inorder Traversal	Easy	JavaScript
95	Unique Binary Search Trees II	Medium	JavaScript
96	Unique Binary Search Trees	Medium	JavaScript
97	Interleaving String	Medium	Go
98	Validate Binary Search Tree	Medium	JavaScript
99	Recover Binary Search Tree	Medium	Rust
100	Same Tree	Easy	JavaScript
101	Symmetric Tree	Easy	JavaScript TypeScript
102	Binary Tree Level Order Traversal	Medium	JavaScript Go
103	Binary Tree Zigzag Level Order Traversal	Medium	JavaScript TypeScript
104	Maximum Depth of Binary Tree	Easy	JavaScript TypeScript Java
105	Construct Binary Tree from Preorder and Inorder Traversal	Medium	JavaScript Go
106	Construct Binary Tree from Inorder and Postorder Traversal	Medium	JavaScript TypeScript
107	Binary Tree Level Order Traversal II	Medium	JavaScript
109	Convert Sorted List to Binary Search Tree	Medium	Go
110	Balanced Binary Tree	Easy	JavaScript
111	Minimum Depth of Binary Tree	Easy	JavaScript
112	Path Sum	Easy	JavaScript
113	Path Sum II	Medium	JavaScript Rust
114	Flatten Binary Tree to Linked List	Medium	JavaScript Go
116	Populating Next Right Pointers in Each Node	Medium	JavaScript
117	Populating Next Right Pointers in Each Node II	Medium	Java
118	Pascal's Triangle	Easy	JavaScript Java
119	Pascal's Triangle II	Easy	JavaScript
120	Triangle	Medium	JavaScript Go
121	Best Time to Buy and Sell Stock	Easy	JavaScript TypeScript
122	Best Time to Buy and Sell Stock II	Medium	JavaScript
125	Valid Palindrome	Easy	JavaScript
127	Word Ladder	Hard	Rust
128	Longest Consecutive Sequence	Medium	Go
129	Sum Root to Leaf Numbers	Medium	JavaScript TypeScript Go
130	Surrounded Regions	Medium	JavaScript
131	Palindrome Partitioning	Medium	JavaScript Python
134	Gas Station	Medium	JavaScript
135	Candy	Hard	Go Java
136	Single Number	Easy	JavaScript
137	Single Number II	Medium	JavaScript Python
139	Word Break	Medium	JavaScript
140	Word Break II	Hard	Python
141	Linked List Cycle	Easy	JavaScript
142	Linked List Cycle II	Medium	JavaScript TypeScript
143	Reorder List	Medium	JavaScript
144	Binary Tree Preorder Traversal	Easy	JavaScript
145	Binary Tree Postorder Traversal	Easy	JavaScript
146	LRU Cache	Medium	JavaScript
147	Insertion Sort List	Medium	JavaScript
150	Evaluate Reverse Polish Notation	Medium	JavaScript Go
151	Reverse Words in a String	Medium	JavaScript Python
152	Maximum Product Subarray	Medium	JavaScript
153	Find Minimum in Rotated Sorted Array	Medium	JavaScript
155	Min Stack	Medium	JavaScript
158	Read N Characters Given read4 II - Call Multiple Times	Hard	JavaScript
160	Intersection of Two Linked Lists	Easy	JavaScript
162	Find Peak Element	Medium	JavaScript Go
164	Maximum Gap	Medium	Python
165	Compare Version Numbers	Medium	JavaScript
166	Fraction to Recurring Decimal	Medium	Python
167	Two Sum II - Input Array Is Sorted	Medium	Python
169	Majority Element	Easy	JavaScript Python
171	Excel Sheet Column Number	Easy	JavaScript
172	Factorial Trailing Zeroes	Medium	JavaScript
173	Binary Search Tree Iterator	Medium	Rust
179	Largest Number	Medium	JavaScript
187	Repeated DNA Sequences	Medium	JavaScript
189	Rotate Array	Medium	JavaScript
190	Reverse Bits	Easy	JavaScript
191	Number of 1 Bits	Easy	JavaScript
198	House Robber	Medium	JavaScript Python
199	Binary Tree Right Side View	Medium	JavaScript Rust
200	Number of Islands	Medium	JavaScript Python
201	Bitwise AND of Numbers Range	Medium	JavaScript Python
202	Happy Number	Easy	JavaScript
203	Remove Linked List Elements	Easy	JavaScript
204	Count Primes	Medium	JavaScript Go
205	Isomorphic Strings	Easy	JavaScript Go Python
206	Reverse Linked List	Easy	JavaScript Python
207	Course Schedule	Medium	JavaScript Python
208	Implement Trie (Prefix Tree)	Medium	TypeScript Go
209	Minimum Size Subarray Sum	Medium	JavaScript Python
210	Course Schedule II	Medium	Python
211	Design Add and Search Words Data Structure	Medium	TypeScript
213	House Robber II	Medium	Python
215	Kth Largest Element in an Array	Medium	JavaScript Python
216	Combination Sum III	Medium	JavaScript Java
217	Contains Duplicate	Easy	JavaScript
219	Contains Duplicate II	Easy	JavaScript
220	Contains Duplicate III	Hard	JavaScript
221	Maximal Square	Medium	JavaScript
222	Count Complete Tree Nodes	Easy	Python
223	Rectangle Area	Medium	JavaScript
224	Basic Calculator	Hard	JavaScript
225	Implement Stack using Queues	Easy	Python
226	Invert Binary Tree	Easy	JavaScript TypeScript Go
227	Basic Calculator II	Medium	JavaScript
228	Summary Ranges	Easy	JavaScript Python
229	Majority Element II	Medium	JavaScript Python
230	Kth Smallest Element in a BST	Medium	Rust
231	Power of Two	Easy	JavaScript Python
232	Implement Queue using Stacks	Easy	Python
234	Palindrome Linked List	Easy	JavaScript Go Python
235	Lowest Common Ancestor of a Binary Search Tree	Medium	JavaScript Go
236	Lowest Common Ancestor of a Binary Tree	Medium	Go Java
237	Delete Node in a Linked List	Medium	JavaScript
238	Product of Array Except Self	Medium	JavaScript Python
239	Sliding Window Maximum	Hard	Python
240	Search a 2D Matrix II	Medium	JavaScript
241	Different Ways to Add Parentheses	Medium	Python
242	Valid Anagram	Easy	JavaScript Python
257	Binary Tree Paths	Easy	JavaScript
258	Add Digits	Easy	JavaScript Go Python
263	Ugly Number	Easy	JavaScript
264	Ugly Number II	Medium	JavaScript
268	Missing Number	Easy	JavaScript Python
274	H-Index	Medium	JavaScript
275	H-Index II	Medium	JavaScript
278	First Bad Version	Easy	JavaScript
279	Perfect Squares	Medium	JavaScript
283	Move Zeroes	Easy	JavaScript
287	Find the Duplicate Number	Medium	Go Python
289	Game of Life	Medium	JavaScript Rust
290	Word Pattern	Easy	JavaScript
292	Nim Game	Easy	JavaScript
299	Bulls and Cows	Medium	JavaScript
300	Longest Increasing Subsequence	Medium	JavaScript Python
303	Range Sum Query - Immutable	Easy	JavaScript
304	Range Sum Query 2D - Immutable	Medium	JavaScript Go
306	Additive Number	Medium	JavaScript
307	Range Sum Query - Mutable	Medium	JavaScript
310	Minimum Height Trees	Medium	Python
316	Remove Duplicate Letters	Medium	Python
318	Maximum Product of Word Lengths	Medium	JavaScript Go
319	Bulb Switcher	Medium	JavaScript TypeScript Go Python
322	Coin Change	Medium	JavaScript Java
326	Power of Three	Easy	JavaScript Go
328	Odd Even Linked List	Medium	JavaScript
329	Longest Increasing Path in a Matrix	Hard	Go
331	Verify Preorder Serialization of a Binary Tree	Medium	Go
332	Reconstruct Itinerary	Hard	JavaScript Python
334	Increasing Triplet Subsequence	Medium	JavaScript
336	Palindrome Pairs	Hard	JavaScript Go
337	House Robber III	Medium	Python
338	Counting Bits	Easy	JavaScript Python
341	Flatten Nested List Iterator	Medium	Go
342	Power of Four	Easy	Python
343	Integer Break	Medium	JavaScript Python
344	Reverse String	Easy	JavaScript Python Rust
345	Reverse Vowels of a String	Easy	JavaScript
347	Top K Frequent Elements	Medium	JavaScript Python
349	Intersection of Two Arrays	Easy	JavaScript Python
350	Intersection of Two Arrays II	Easy	JavaScript
352	Data Stream as Disjoint Intervals	Hard	Go
354	Russian Doll Envelopes	Hard	Go
355	Design Twitter	Medium	Python
367	Valid Perfect Square	Easy	JavaScript
368	Largest Divisible Subset	Medium	JavaScript
373	Find K Pairs with Smallest Sums	Medium	Python
376	Wiggle Subsequence	Medium	Go Java
377	Combination Sum IV	Medium	Go
378	Kth Smallest Element in a Sorted Matrix	Medium	JavaScript Go
380	Insert Delete GetRandom O(1)	Medium	Python
382	Linked List Random Node	Medium	TypeScript
383	Ransom Note	Easy	JavaScript
385	Mini Parser	Medium	Python
386	Lexicographical Numbers	Medium	JavaScript
387	First Unique Character in a String	Easy	JavaScript Python
388	Longest Absolute File Path	Medium	JavaScript
389	Find the Difference	Easy	JavaScript Python
392	Is Subsequence	Easy	JavaScript Python
393	UTF-8 Validation	Medium	Python
394	Decode String	Medium	JavaScript
395	Longest Substring with At Least K Repeating Characters	Medium	Python
396	Rotate Function	Medium	Python
397	Integer Replacement	Medium	JavaScript
398	Random Pick Index	Medium	Python
399	Evaluate Division	Medium	JavaScript Python
400	Nth Digit	Medium	Python
401	Binary Watch	Easy	JavaScript
402	Remove K Digits	Medium	Python
404	Sum of Left Leaves	Easy	JavaScript Python
405	Convert a Number to Hexadecimal	Easy	JavaScript
406	Queue Reconstruction by Height	Medium	JavaScript Go
409	Longest Palindrome	Easy	JavaScript Python
412	Fizz Buzz	Easy	JavaScript
413	Arithmetic Slices	Medium	JavaScript
414	Third Maximum Number	Easy	Python
415	Add Strings	Easy	JavaScript
416	Partition Equal Subset Sum	Medium	JavaScript
417	Pacific Atlantic Water Flow	Medium	JavaScript Go
419	Battleships in a Board	Medium	JavaScript
423	Reconstruct Original Digits from English	Medium	JavaScript Go
424	Longest Repeating Character Replacement	Medium	Python
427	Construct Quad Tree	Medium	Go
429	N-ary Tree Level Order Traversal	Medium	Python
430	Flatten a Multilevel Doubly Linked List	Medium	Python
434	Number of Segments in a String	Easy	JavaScript
435	Non-overlapping Intervals	Medium	Python
436	Find Right Interval	Medium	Python
438	Find All Anagrams in a String	Medium	JavaScript
441	Arranging Coins	Easy	JavaScript
442	Find All Duplicates in an Array	Medium	JavaScript Python
443	String Compression	Medium	Go
445	Add Two Numbers II	Medium	Python
447	Number of Boomerangs	Medium	Python
448	Find All Numbers Disappeared in an Array	Easy	Python
449	Serialize and Deserialize BST	Medium	Python
450	Delete Node in a BST	Medium	Python
451	Sort Characters By Frequency	Medium	Python
452	Minimum Number of Arrows to Burst Balloons	Medium	Python
453	Minimum Moves to Equal Array Elements	Medium	JavaScript
455	Assign Cookies	Easy	Python
456	132 Pattern	Medium	Java
457	Circular Array Loop	Medium	Python
460	LFU Cache	Hard	Go
461	Hamming Distance	Easy	Python
462	Minimum Moves to Equal Array Elements II	Medium	Go
463	Island Perimeter	Easy	Python
467	Unique Substrings in Wraparound String	Medium	Python
468	Validate IP Address	Medium	Python
470	Implement Rand10() Using Rand7()	Medium	Python
472	Concatenated Words	Hard	Go
473	Matchsticks to Square	Medium	Python
474	Ones and Zeroes	Medium	Go
475	Heaters	Medium	Python
476	Number Complement	Easy	Python
477	Total Hamming Distance	Medium	Python
478	Generate Random Point in a Circle	Medium	Python
481	Magical String	Medium	Python
482	License Key Formatting	Easy	Python
485	Max Consecutive Ones	Easy	JavaScript
491	Non-decreasing Subsequences	Medium	Python
492	Construct the Rectangle	Easy	JavaScript
494	Target Sum	Medium	JavaScript
495	Teemo Attacking	Easy	Python
496	Next Greater Element I	Easy	JavaScript
497	Random Point in Non-overlapping Rectangles	Medium	Python
498	Diagonal Traverse	Medium	Python
500	Keyboard Row	Easy	Python
501	Find Mode in Binary Search Tree	Easy	Python
502	IPO	Hard	Go Python
503	Next Greater Element II	Medium	Python
504	Base 7	Easy	Python
506	Relative Ranks	Easy	JavaScript Python
507	Perfect Number	Easy	Python
508	Most Frequent Subtree Sum	Medium	JavaScript
509	Fibonacci Number	Easy	Go
513	Find Bottom Left Tree Value	Medium	JavaScript Python
515	Find Largest Value in Each Tree Row	Medium	JavaScript Python
516	Longest Palindromic Subsequence	Medium	Go
519	Random Flip Matrix	Medium	Python
520	Detect Capital	Easy	JavaScript
521	Longest Uncommon Subsequence I	Easy	Python
522	Longest Uncommon Subsequence II	Medium	Go
523	Continuous Subarray Sum	Medium	Go Python
524	Longest Word in Dictionary through Deleting	Medium	Python
525	Contiguous Array	Medium	Python Rust
526	Beautiful Arrangement	Medium	Python
528	Random Pick with Weight	Medium	Python
529	Minesweeper	Medium	JavaScript
530	Minimum Absolute Difference in BST	Easy	JavaScript Python
535	Encode and Decode TinyURL	Medium	Rust
537	Complex Number Multiplication	Medium	Go
538	Convert BST to Greater Tree	Medium	JavaScript Rust
539	Minimum Time Difference	Medium	JavaScript
540	Single Element in a Sorted Array	Medium	TypeScript Go
541	Reverse String II	Easy	Python
542	01 Matrix	Medium	JavaScript Python
543	Diameter of Binary Tree	Easy	Python
547	Number of Provinces	Medium	Python
551	Student Attendance Record I	Easy	Python
552	Student Attendance Record II	Hard	Python
553	Optimal Division	Medium	Python
554	Brick Wall	Medium	Go
556	Next Greater Element III	Medium	Python
557	Reverse Words in a String III	Easy	Python
558	Logical OR of Two Binary Grids Represented as Quad-Trees	Medium	Python
559	Maximum Depth of N-ary Tree	Easy	Python
560	Subarray Sum Equals K	Medium	JavaScript
561	Array Partition	Easy	JavaScript
563	Binary Tree Tilt	Easy	JavaScript
565	Array Nesting	Medium	Python
566	Reshape the Matrix	Easy	JavaScript
567	Permutation in String	Medium	JavaScript
572	Subtree of Another Tree	Easy	Python
575	Distribute Candies	Easy	Python
576	Out of Boundary Paths	Medium	Python
581	Shortest Unsorted Continuous Subarray	Medium	JavaScript
583	Delete Operation for Two Strings	Medium	Go
589	N-ary Tree Preorder Traversal	Easy	Go
590	N-ary Tree Postorder Traversal	Easy	Python
592	Fraction Addition and Subtraction	Medium	JavaScript
593	Valid Square	Medium	JavaScript
594	Longest Harmonious Subsequence	Easy	JavaScript
598	Range Addition II	Easy	Python
599	Minimum Index Sum of Two Lists	Easy	Python
605	Can Place Flowers	Easy	TypeScript
606	Construct String from Binary Tree	Medium	Python
609	Find Duplicate File in System	Medium	Go
611	Valid Triangle Number	Medium	Go
617	Merge Two Binary Trees	Easy	JavaScript
621	Task Scheduler	Medium	JavaScript Python
622	Design Circular Queue	Medium	Go
623	Add One Row to Tree	Medium	Python
628	Maximum Product of Three Numbers	Easy	Python
633	Sum of Square Numbers	Medium	JavaScript Python
636	Exclusive Time of Functions	Medium	Python
637	Average of Levels in Binary Tree	Easy	JavaScript
638	Shopping Offers	Medium	Python
640	Solve the Equation	Medium	JavaScript
641	Design Circular Deque	Medium	Python
643	Maximum Average Subarray I	Easy	Python
645	Set Mismatch	Easy	Python
646	Maximum Length of Pair Chain	Medium	JavaScript
647	Palindromic Substrings	Medium	JavaScript Go
648	Replace Words	Medium	JavaScript Python
649	Dota2 Senate	Medium	Python
650	2 Keys Keyboard	Medium	JavaScript
652	Find Duplicate Subtrees	Medium	Go
653	Two Sum IV - Input is a BST	Easy	JavaScript Rust
654	Maximum Binary Tree	Medium	JavaScript
655	Print Binary Tree	Medium	JavaScript
657	Robot Return to Origin	Easy	JavaScript
658	Find K Closest Elements	Medium	JavaScript
659	Split Array into Consecutive Subsequences	Medium	JavaScript
661	Image Smoother	Easy	JavaScript Python
662	Maximum Width of Binary Tree	Medium	JavaScript Go
665	Non-decreasing Array	Medium	JavaScript Go
667	Beautiful Arrangement II	Medium	JavaScript Go
669	Trim a Binary Search Tree	Medium	JavaScript Rust
670	Maximum Swap	Medium	JavaScript
671	Second Minimum Node In a Binary Tree	Easy	JavaScript
672	Bulb Switcher II	Medium	Python
673	Number of Longest Increasing Subsequence	Medium	JavaScript Python
674	Longest Continuous Increasing Subsequence	Easy	JavaScript
676	Implement Magic Dictionary	Medium	JavaScript
677	Map Sum Pairs	Medium	JavaScript
678	Valid Parenthesis String	Medium	JavaScript Python
680	Valid Palindrome II	Easy	JavaScript Rust
682	Baseball Game	Easy	JavaScript Rust
684	Redundant Connection	Medium	JavaScript Go
686	Repeated String Match	Medium	JavaScript
687	Longest Univalue Path	Medium	JavaScript
688	Knight Probability in Chessboard	Medium	Python
690	Employee Importance	Medium	Python
692	Top K Frequent Words	Medium	JavaScript
693	Binary Number with Alternating Bits	Easy	JavaScript
695	Max Area of Island	Medium	JavaScript Go
696	Count Binary Substrings	Easy	JavaScript Go
697	Degree of an Array	Easy	JavaScript
698	Partition to K Equal Sum Subsets	Medium	JavaScript
703	Kth Largest Element in a Stream	Easy	Python
704	Binary Search	Easy	Rust
705	Design HashSet	Easy	Python
706	Design HashMap	Easy	Rust
707	Design Linked List	Medium	Python
709	To Lower Case	Easy	Go
712	Minimum ASCII Delete Sum for Two Strings	Medium	JavaScript Python
713	Subarray Product Less Than K	Medium	JavaScript Python
714	Best Time to Buy and Sell Stock with Transaction Fee	Medium	JavaScript
717	1-bit and 2-bit Characters	Easy	JavaScript
718	Maximum Length of Repeated Subarray	Medium	JavaScript Go
720	Longest Word in Dictionary	Medium	JavaScript
721	Accounts Merge	Medium	JavaScript
722	Remove Comments	Medium	JavaScript
724	Find Pivot Index	Easy	JavaScript
725	Split Linked List in Parts	Medium	Python
726	Number of Atoms	Hard	JavaScript
728	Self Dividing Numbers	Easy	JavaScript
729	My Calendar I	Medium	Go
731	My Calendar II	Medium	Python
733	Flood Fill	Easy	Python
734	Sentence Similarity	Easy	JavaScript
735	Asteroid Collision	Medium	JavaScript Python
739	Daily Temperatures	Medium	JavaScript Python
740	Delete and Earn	Medium	JavaScript Rust
742	Closest Leaf in a Binary Tree	Medium	JavaScript
743	Network Delay Time	Medium	JavaScript Java
744	Find Smallest Letter Greater Than Target	Easy	JavaScript Python
745	Prefix and Suffix Search	Hard	Go
746	Min Cost Climbing Stairs	Easy	JavaScript Go
747	Largest Number At Least Twice of Others	Easy	JavaScript
748	Shortest Completing Word	Easy	JavaScript
752	Open the Lock	Medium	JavaScript Go Python
754	Reach a Number	Medium	JavaScript
756	Pyramid Transition Matrix	Medium	JavaScript
760	Find Anagram Mappings	Easy	JavaScript
762	Prime Number of Set Bits in Binary Representation	Easy	JavaScript
763	Partition Labels	Medium	JavaScript
764	Largest Plus Sign	Medium	JavaScript
766	Toeplitz Matrix	Easy	JavaScript Rust
767	Reorganize String	Medium	JavaScript
769	Max Chunks To Make Sorted	Medium	JavaScript
771	Jewels and Stones	Easy	JavaScript
775	Global and Local Inversions	Medium	JavaScript Go
777	Swap Adjacent in LR String	Medium	JavaScript
779	K-th Symbol in Grammar	Medium	JavaScript Python
781	Rabbits in Forest	Medium	JavaScript
783	Minimum Distance Between BST Nodes	Easy	JavaScript Go
784	Letter Case Permutation	Medium	JavaScript
785	Is Graph Bipartite?	Medium	Python
786	K-th Smallest Prime Fraction	Medium	Python
787	Cheapest Flights Within K Stops	Medium	Go Python Rust
788	Rotated Digits	Medium	Python
789	Escape The Ghosts	Medium	JavaScript
791	Custom Sort String	Medium	JavaScript Go
792	Number of Matching Subsequences	Medium	JavaScript Rust
794	Valid Tic-Tac-Toe State	Medium	Python
795	Number of Subarrays with Bounded Maximum	Medium	JavaScript
796	Rotate String	Easy	Python
797	All Paths From Source to Target	Medium	JavaScript
799	Champagne Tower	Medium	Python
802	Find Eventual Safe States	Medium	JavaScript Python
804	Unique Morse Code Words	Easy	Python
806	Number of Lines To Write String	Easy	Python
807	Max Increase to Keep City Skyline	Medium	Python
808	Soup Servings	Medium	Python
809	Expressive Words	Medium	JavaScript
811	Subdomain Visit Count	Medium	JavaScript
812	Largest Triangle Area	Easy	Python
813	Largest Sum of Averages	Medium	Python
814	Binary Tree Pruning	Medium	Python
815	Bus Routes	Hard	Python
816	Ambiguous Coordinates	Medium	Go
817	Linked List Components	Medium	Python
819	Most Common Word	Easy	Python
820	Short Encoding of Words	Medium	Go Java
822	Card Flipping Game	Medium	JavaScript
823	Binary Trees With Factors	Medium	Python
826	Most Profit Assigning Work	Medium	Python
833	Find And Replace in String	Medium	JavaScript
835	Image Overlap	Medium	JavaScript
838	Push Dominoes	Medium	JavaScript Rust
839	Similar String Groups	Hard	Go
841	Keys and Rooms	Medium	JavaScript
842	Split Array into Fibonacci Sequence	Medium	JavaScript
844	Backspace String Compare	Easy	Python
846	Hand of Straights	Medium	Python
849	Maximize Distance to Closest Person	Medium	Rust
852	Peak Index in a Mountain Array	Medium	Python
856	Score of Parentheses	Medium	JavaScript
857	Minimum Cost to Hire K Workers	Hard	Python
859	Buddy Strings	Easy	JavaScript Python
860	Lemonade Change	Easy	JavaScript
861	Score After Flipping Matrix	Medium	Python
863	All Nodes Distance K in Binary Tree	Medium	Python
864	Shortest Path to Get All Keys	Hard	Python
865	Smallest Subtree with all the Deepest Nodes	Medium	JavaScript
866	Prime Palindrome	Medium	JavaScript
867	Transpose Matrix	Easy	Python
870	Advantage Shuffle	Medium	Go
872	Leaf-Similar Trees	Easy	Python
874	Walking Robot Simulation	Medium	JavaScript
875	Koko Eating Bananas	Medium	TypeScript
876	Middle of the Linked List	Easy	Python
877	Stone Game	Medium	Go
879	Profitable Schemes	Hard	Go
880	Decoded String at Index	Medium	Python
881	Boats to Save People	Medium	JavaScript Go
890	Find and Replace Pattern	Medium	Go
892	Surface Area of 3D Shapes	Easy	JavaScript
894	All Possible Full Binary Trees	Medium	JavaScript Python
895	Maximum Frequency Stack	Hard	Rust
896	Monotonic Array	Easy	JavaScript Python
897	Increasing Order Search Tree	Easy	JavaScript Rust
898	Bitwise ORs of Subarrays	Medium	JavaScript
900	RLE Iterator	Medium	JavaScript
901	Online Stock Span	Medium	JavaScript
904	Fruit Into Baskets	Medium	JavaScript Go
905	Sort Array By Parity	Easy	JavaScript Python
906	Super Palindromes	Hard	Go
907	Sum of Subarray Minimums	Medium	Python
908	Smallest Range I	Easy	JavaScript
909	Snakes and Ladders	Medium	Go
911	Online Election	Medium	JavaScript
912	Sort an Array	Medium	Go
914	X of a Kind in a Deck of Cards	Easy	JavaScript
915	Partition Array into Disjoint Intervals	Medium	JavaScript
916	Word Subsets	Medium	Go
921	Minimum Add to Make Parentheses Valid	Medium	JavaScript
922	Sort Array By Parity II	Easy	JavaScript
923	3Sum With Multiplicity	Medium	Go
925	Long Pressed Name	Easy	JavaScript
926	Flip String to Monotone Increasing	Medium	JavaScript
929	Unique Email Addresses	Easy	JavaScript
930	Binary Subarrays With Sum	Medium	JavaScript Python
931	Minimum Falling Path Sum	Medium	Python
933	Number of Recent Calls	Easy	JavaScript
934	Shortest Bridge	Medium	Go
935	Knight Dialer	Medium	JavaScript Python
937	Reorder Data in Log Files	Medium	JavaScript
938	Range Sum of BST	Easy	Python
941	Valid Mountain Array	Easy	JavaScript
942	DI String Match	Easy	JavaScript
944	Delete Columns to Make Sorted	Easy	JavaScript
945	Minimum Increment to Make Array Unique	Medium	JavaScript Python
946	Validate Stack Sequences	Medium	JavaScript TypeScript
948	Bag of Tokens	Medium	Python
950	Reveal Cards In Increasing Order	Medium	Python
953	Verifying an Alien Dictionary	Easy	Go
958	Check Completeness of a Binary Tree	Medium	Go
967	Numbers With Same Consecutive Differences	Medium	JavaScript
968	Binary Tree Cameras	Hard	Go
970	Powerful Integers	Medium	JavaScript Go
971	Flip Binary Tree To Match Preorder Traversal	Medium	JavaScript Go
973	K Closest Points to Origin	Medium	JavaScript
974	Subarray Sums Divisible by K	Medium	Go Python
976	Largest Perimeter Triangle	Easy	JavaScript
977	Squares of a Sorted Array	Easy	JavaScript Python
978	Longest Turbulent Subarray	Medium	JavaScript
979	Distribute Coins in Binary Tree	Medium	Python
981	Time Based Key-Value Store	Medium	JavaScript
983	Minimum Cost For Tickets	Medium	Go
984	String Without AAA or BBB	Medium	JavaScript
985	Sum of Even Numbers After Queries	Medium	JavaScript
986	Interval List Intersections	Medium	JavaScript
987	Vertical Order Traversal of a Binary Tree	Hard	Python
988	Smallest String Starting From Leaf	Medium	JavaScript
989	Add to Array-Form of Integer	Easy	JavaScript TypeScript Go
990	Satisfiability of Equality Equations	Medium	Rust
991	Broken Calculator	Medium	JavaScript
993	Cousins in Binary Tree	Easy	JavaScript
997	Find the Town Judge	Easy	JavaScript Python
998	Maximum Binary Tree II	Medium	JavaScript
1002	Find Common Characters	Easy	JavaScript Python
1003	Check If Word Is Valid After Substitutions	Medium	JavaScript
1005	Maximize Sum Of Array After K Negations	Easy	JavaScript
1006	Clumsy Factorial	Medium	JavaScript
1007	Minimum Domino Rotations For Equal Row	Medium	JavaScript Rust
1008	Construct Binary Search Tree from Preorder Traversal	Medium	JavaScript
1009	Complement of Base 10 Integer	Easy	JavaScript
1010	Pairs of Songs With Total Durations Divisible by 60	Medium	JavaScript
1011	Capacity To Ship Packages Within D Days	Medium	JavaScript Go
1013	Partition Array Into Three Parts With Equal Sum	Easy	JavaScript
1014	Best Sightseeing Pair	Medium	JavaScript
1016	Binary String With Substrings Representing 1 To N	Medium	JavaScript
1017	Convert to Base -2	Medium	JavaScript
1020	Number of Enclaves	Medium	Go
1021	Remove Outermost Parentheses	Easy	JavaScript
1022	Sum of Root To Leaf Binary Numbers	Easy	JavaScript
1023	Camelcase Matching	Medium	JavaScript
1024	Video Stitching	Medium	JavaScript
1026	Maximum Difference Between Node and Ancestor	Medium	JavaScript Python
1027	Longest Arithmetic Subsequence	Medium	JavaScript
1028	Recover a Tree From Preorder Traversal	Hard	JavaScript
1029	Two City Scheduling	Medium	JavaScript
1030	Matrix Cells in Distance Order	Easy	JavaScript
1032	Stream of Characters	Hard	JavaScript
1033	Moving Stones Until Consecutive	Medium	JavaScript
1034	Coloring A Border	Medium	JavaScript
1035	Uncrossed Lines	Medium	Go Python
1037	Valid Boomerang	Easy	JavaScript
1038	Binary Search Tree to Greater Sum Tree	Medium	JavaScript
1041	Robot Bounded In Circle	Medium	JavaScript Rust
1043	Partition Array for Maximum Sum	Medium	Python
1046	Last Stone Weight	Easy	JavaScript Python
1047	Remove All Adjacent Duplicates In String	Easy	JavaScript
1048	Longest String Chain	Medium	JavaScript Go
1051	Height Checker	Easy	JavaScript Python
1054	Distant Barcodes	Medium	JavaScript
1071	Greatest Common Divisor of Strings	Easy	Go
1074	Number of Submatrices That Sum to Target	Hard	Go Python
1078	Occurrences After Bigram	Easy	JavaScript
1080	Insufficient Nodes in Root to Leaf Paths	Medium	JavaScript Go
1089	Duplicate Zeros	Easy	JavaScript
1090	Largest Values From Labels	Medium	JavaScript
1091	Shortest Path in Binary Matrix	Medium	Python
1093	Statistics from a Large Sample	Medium	JavaScript
1095	Find in Mountain Array	Hard	Python
1108	Defanging an IP Address	Easy	JavaScript
1109	Corporate Flight Bookings	Medium	JavaScript Go
1110	Delete Nodes And Return Forest	Medium	JavaScript
1128	Number of Equivalent Domino Pairs	Easy	JavaScript
1129	Shortest Path with Alternating Colors	Medium	Go
1130	Minimum Cost Tree From Leaf Values	Medium	JavaScript
1137	N-th Tribonacci Number	Easy	JavaScript Python
1138	Alphabet Board Path	Medium	JavaScript
1139	Largest 1-Bordered Square	Medium	JavaScript
1143	Longest Common Subsequence	Medium	Python
1144	Decrease Elements To Make Array Zigzag	Medium	JavaScript
1145	Binary Tree Coloring Game	Medium	JavaScript
1146	Snapshot Array	Medium	JavaScript Python
1154	Day of the Year	Easy	JavaScript
1155	Number of Dice Rolls With Target Sum	Medium	Python
1156	Swap For Longest Repeated Character Substring	Medium	JavaScript
1157	Online Majority Element In Subarray	Hard	JavaScript
1160	Find Words That Can Be Formed by Characters	Easy	JavaScript Python
1161	Maximum Level Sum of a Binary Tree	Medium	JavaScript Python
1162	As Far from Land as Possible	Medium	Go
1163	Last Substring in Lexicographical Order	Hard	JavaScript
1169	Invalid Transactions	Medium	JavaScript
1170	Compare Strings by Frequency of the Smallest Character	Medium	JavaScript
1171	Remove Zero Sum Consecutive Nodes from Linked List	Medium	JavaScript Python
1175	Prime Arrangements	Easy	Go
1176	Diet Plan Performance	Easy	JavaScript
1177	Can Make Palindrome from Substring	Medium	JavaScript
1184	Distance Between Bus Stops	Easy	JavaScript
1185	Day of the Week	Easy	JavaScript
1186	Maximum Subarray Sum with One Deletion	Medium	JavaScript
1189	Maximum Number of Balloons	Easy	JavaScript
1190	Reverse Substrings Between Each Pair of Parentheses	Medium	JavaScript
1202	Smallest String With Swaps	Medium	Rust
1207	Unique Number of Occurrences	Easy	JavaScript Python
1208	Get Equal Substrings Within Budget	Medium	JavaScript Python
1209	Remove All Adjacent Duplicates in String II	Medium	JavaScript Go
1217	Minimum Cost to Move Chips to The Same Position	Easy	JavaScript
1218	Longest Arithmetic Subsequence of Given Difference	Medium	JavaScript Python
1219	Path with Maximum Gold	Medium	Python
1220	Count Vowels Permutation	Hard	Python
1232	Check If It Is a Straight Line	Easy	JavaScript Python
1233	Remove Sub-Folders from the Filesystem	Medium	JavaScript
1239	Maximum Length of a Concatenated String with Unique Characters	Medium	Python
1247	Minimum Swaps to Make Strings Equal	Medium	JavaScript
1249	Minimum Remove to Make Valid Parentheses	Medium	JavaScript Python
1252	Cells with Odd Values in a Matrix	Easy	JavaScript
1253	Reconstruct a 2-Row Binary Matrix	Medium	JavaScript
1254	Number of Closed Islands	Medium	JavaScript TypeScript Go
1255	Maximum Score Words Formed by Letters	Hard	Python
1260	Shift 2D Grid	Easy	JavaScript Rust
1261	Find Elements in a Contaminated Binary Tree	Medium	JavaScript
1262	Greatest Sum Divisible by Three	Medium	JavaScript
1266	Minimum Time Visiting All Points	Easy	JavaScript Python
1267	Count Servers that Communicate	Medium	JavaScript
1268	Search Suggestions System	Medium	Go
1277	Count Square Submatrices with All Ones	Medium	JavaScript Go
1282	Group the People Given the Group Size They Belong To	Medium	Python
1287	Element Appearing More Than 25% In Sorted Array	Easy	Python
1288	Remove Covered Intervals	Medium	Rust
1291	Sequential Digits	Medium	Python Rust
1295	Find Numbers with Even Number of Digits	Easy	JavaScript
1297	Maximum Number of Occurrences of a Substring	Medium	JavaScript
1302	Deepest Leaves Sum	Medium	Go
1304	Find N Unique Integers Sum up to Zero	Easy	Go
1305	All Elements in Two Binary Search Trees	Medium	Go
1306	Jump Game III	Medium	Go
1309	Decrypt String from Alphabet to Integer Mapping	Easy	Go
1310	XOR Queries of a Subarray	Medium	Go
1311	Get Watched Videos by Your Friends	Medium	Go
1312	Minimum Insertion Steps to Make a String Palindrome	Hard	Go
1317	Convert Integer to the Sum of Two No-Zero Integers	Easy	Go
1318	Minimum Flips to Make a OR b Equal to c	Medium	Go Python
1319	Number of Operations to Make Network Connected	Medium	TypeScript Go
1320	Minimum Distance to Type a Word Using Two Fingers	Hard	Go
1323	Maximum 69 Number	Easy	Rust
1325	Delete Leaves With a Given Value	Medium	Python
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance	Medium	Python
1335	Minimum Difficulty of a Job Schedule	Hard	Python
1337	The K Weakest Rows in a Matrix	Easy	Python
1345	Jump Game IV	Hard	TypeScript
1347	Minimum Number of Steps to Make Two Strings Anagram	Medium	Python
1351	Count Negative Numbers in a Sorted Matrix	Easy	Python
1354	Construct Target Array With Multiple Sums	Hard	Go
1356	Sort Integers by The Number of 1 Bits	Easy	Python
1359	Count All Valid Pickup and Delivery Options	Hard	Rust
1361	Validate Binary Tree Nodes	Medium	Python
1372	Longest ZigZag Path in a Binary Tree	Medium	Go
1376	Time Needed to Inform All Employees	Medium	Python
1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	Easy	Java
1380	Lucky Numbers in a Matrix	Easy	Python
1383	Maximum Performance of a Team	Hard	Go
1395	Count Number of Teams	Medium	Python
1396	Design Underground System	Medium	Python
1402	Reducing Dishes	Hard	Go
1404	Number of Steps to Reduce a Number in Binary Representation to One	Medium	Python
1416	Restore The Array	Hard	Go
1422	Maximum Score After Splitting a String	Easy	Go Python
1423	Maximum Points You Can Obtain from Cards	Medium	Go
1424	Diagonal Traverse II	Medium	Python
1431	Kids With the Greatest Number of Candies	Easy	Go
1436	Destination City	Easy	Python
1441	Build an Array With Stack Operations	Medium	Python
1442	Count Triplets That Can Form Two Arrays of Equal XOR	Medium	Go
1444	Number of Ways of Cutting a Pizza	Hard	Go
1457	Pseudo-Palindromic Paths in a Binary Tree	Medium	Python
1461	Check If a String Contains All Binary Codes of Size K	Medium	Java
1463	Cherry Pickup II	Hard	Python Rust
1464	Maximum Product of Two Elements in an Array	Easy	Python
1465	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts	Medium	Go
1466	Reorder Routes to Make All Paths Lead to the City Zero	Medium	TypeScript Go
1472	Design Browser History	Medium	TypeScript
1473	Paint House III	Hard	Rust
1480	Running Sum of 1d Array	Easy	Go
1481	Least Number of Unique Integers after K Removals	Medium	Python
1486	XOR Operation in an Array	Easy	Go
1487	Making File Names Unique	Medium	Go
1491	Average Salary Excluding the Minimum and Maximum Salary	Easy	TypeScript Go Python
1493	Longest Subarray of 1's After Deleting One Element	Medium	Python
1496	Path Crossing	Easy	Go Python
1497	Check If Array Pairs Are Divisible by k	Medium	Go
1502	Can Make Arithmetic Progression From Sequence	Easy	Python
1510	Stone Game IV	Hard	Rust
1514	Path with Maximum Probability	Medium	Python
1523	Count Odd Numbers in an Interval Range	Easy	Go
1528	Shuffle String	Easy	Go
1529	Minimum Suffix Flips	Medium	Go
1530	Number of Good Leaf Nodes Pairs	Medium	Go Python
1531	String Compression II	Hard	Python
1535	Find the Winner of an Array Game	Medium	Python
1539	Kth Missing Positive Number	Easy	Go
1544	Make The String Great	Easy	Python Rust
1551	Minimum Operations to Make Array Equal	Medium	Go
1552	Magnetic Force Between Two Balls	Medium	Python
1557	Minimum Number of Vertices to Reach All Nodes	Medium	Python
1561	Maximum Number of Coins You Can Get	Medium	Python
1572	Matrix Diagonal Sum	Easy	TypeScript Go Python Java
1578	Minimum Time to Make Rope Colorful	Medium	Python
1582	Special Positions in a Binary Matrix	Easy	Python
1592	Rearrange Spaces Between Words	Easy	Go
1601	Maximum Number of Achievable Transfer Requests	Hard	Python
1603	Design Parking System	Easy	Python
1609	Even Odd Tree	Medium	Python
1614	Maximum Nesting Depth of the Parentheses	Easy	Python
1615	Maximal Network Rank	Medium	Python
1624	Largest Substring Between Two Equal Characters	Easy	Go Python
1626	Best Team With No Conflicts	Medium	Go
1630	Arithmetic Subarrays	Medium	Python
1631	Path With Minimum Effort	Medium	Python
1636	Sort Array by Increasing Frequency	Easy	Python
1637	Widest Vertical Area Between Two Points Containing No Points	Easy	Python
1640	Check Array Formation Through Concatenation	Easy	Go
1641	Count Sorted Vowel Strings	Medium	Go Java
1642	Furthest Building You Can Reach	Medium	Python Java
1646	Get Maximum in Generated Array	Easy	Go
1647	Minimum Deletions to Make Character Frequencies Unique	Medium	Go Python
1653	Minimum Deletions to Make String Balanced	Medium	Python
1656	Design an Ordered Stream	Easy	Go
1657	Determine if Two Strings Are Close	Medium	Go Python
1658	Minimum Operations to Reduce X to Zero	Medium	Go Python
1662	Check If Two String Arrays are Equivalent	Easy	Python
1669	Merge In Between Linked Lists	Medium	Python
1675	Minimize Deviation in Array	Hard	Go
1679	Max Number of K-Sum Pairs	Medium	Java
1680	Concatenation of Consecutive Binary Numbers	Medium	Rust
1685	Sum of Absolute Differences in a Sorted Array	Medium	Python
1688	Count of Matches in Tournament	Easy	Python
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	Medium	Go
1695	Maximum Erasure Value	Medium	Go
1696	Jump Game VI	Medium	Go
1700	Number of Students Unable to Eat Lunch	Easy	Python
1704	Determine if String Halves Are Alike	Easy	Go Python
1706	Where Will the Ball Fall	Medium	Rust
1710	Maximum Units on a Truck	Easy	Go Java
1716	Calculate Money in Leetcode Bank	Easy	Go Python
1721	Swapping Nodes in a Linked List	Medium	Python
1727	Largest Submatrix With Rearrangements	Medium	Python
1732	Find the Highest Altitude	Easy	Python
1742	Maximum Number of Balls in a Box	Easy	Go
1743	Restore the Array From Adjacent Pairs	Medium	Go Python
1744	Can You Eat Your Favorite Candy on Your Favorite Day?	Medium	Go
1750	Minimum Length of String After Deleting Similar Ends	Medium	Python
1751	Maximum Number of Events That Can Be Attended II	Hard	Python
1758	Minimum Changes To Make Alternating Binary String	Easy	Python
1759	Count Number of Homogenous Substrings	Medium	Python
1768	Merge Strings Alternately	Easy	Go
1784	Check if Binary String Has at Most One Segment of Ones	Easy	Go
1785	Minimum Elements to Add to Form a Given Sum	Medium	Go
1786	Number of Restricted Paths From First to Last Node	Medium	Go
1802	Maximum Value at a Given Index in a Bounded Array	Medium	Python
1814	Count Nice Pairs in an Array	Medium	Python
1833	Maximum Ice Cream Bars	Medium	Rust
1838	Frequency of the Most Frequent Element	Medium	Python
1845	Seat Reservation Manager	Medium	Python
1846	Maximum Element After Decreasing and Rearranging	Medium	Python
1857	Largest Color Value in a Directed Graph	Hard	Go
1863	Sum of All Subset XOR Totals	Easy	Python
1870	Minimum Speed to Arrive on Time	Medium	Python
1877	Minimize Maximum Pair Sum in Array	Medium	Python
1887	Reduction Operations to Make the Array Elements Equal	Medium	Python
1897	Redistribute Characters to Make All Strings Equal	Easy	Python
1903	Largest Odd Number in String	Easy	Go Python
1913	Maximum Product Difference Between Two Pairs	Easy	Python
1921	Eliminate Maximum Number of Monsters	Medium	Python
1930	Unique Length-3 Palindromic Subsequences	Medium	Python
1970	Last Day Where You Can Still Cross	Hard	Python
1971	Find if Path Exists in Graph	Easy	Python
1980	Find Unique Binary String	Medium	Python
1985	Find the Kth Largest Integer in the Array	Medium	Python
1992	Find All Groups of Farmland	Medium	Python
2009	Minimum Number of Operations to Make Array Continuous	Hard	Python
2024	Maximize the Confusion of an Exam	Medium	Python
2050	Parallel Courses III	Hard	Python
2073	Time Needed to Buy Tickets	Easy	Python
2090	K Radius Subarray Averages	Medium	Python
2092	Find All People With Secret	Hard	Python
2096	Step-By-Step Directions From a Binary Tree Node to Another	Medium	Python
2101	Detonate the Maximum Bombs	Medium	Python
2108	Find First Palindromic String in the Array	Easy	Python
2125	Number of Laser Beams in a Bank	Medium	Python
2130	Maximum Twin Sum of a Linked List	Medium	Go Python
2134	Minimum Swaps to Group All 1's Together II	Medium	Python
2140	Solving Questions With Brainpower	Medium	Python
2141	Maximum Running Time of N Computers	Hard	Python
2147	Number of Ways to Divide a Long Corridor	Hard	Python
2149	Rearrange Array Elements by Sign	Medium	Python
2187	Minimum Time to Complete Trips	Medium	Go
2191	Sort the Jumbled Numbers	Medium	Python
2196	Create Binary Tree From Descriptions	Medium	Python
2225	Find Players With Zero or One Losses	Medium	Python
2251	Number of Flowers in Full Bloom	Hard	Python
2264	Largest 3-Same-Digit Number in String	Easy	Python
2265	Count Nodes Equal to Average of Subtree	Medium	Python
2305	Fair Distribution of Cookies	Medium	Python
2306	Naming a Company	Hard	Go
2316	Count Unreachable Pairs of Nodes in an Undirected Graph	Medium	Go
2331	Evaluate Boolean Binary Tree	Easy	Python
2336	Smallest Number in Infinite Set	Medium	Go Python
2348	Number of Zero-Filled Subarrays	Medium	TypeScript Go
2352	Equal Row and Column Pairs	Medium	Python
2353	Design a Food Rating System	Medium	Python
2359	Find Closest Node to Given Two Nodes	Medium	Go
2360	Longest Cycle in a Graph	Hard	Go
2369	Check if There is a Valid Partition For The Array	Medium	Python
2370	Longest Ideal Subsequence	Medium	Python
2373	Largest Local Values in a Matrix	Easy	Python
2385	Amount of Time for Binary Tree to Be Infected	Medium	Python
2390	Removing Stars From a String	Medium	TypeScript Go
2391	Minimum Amount of Time to Collect Garbage	Medium	Python
2405	Optimal Partition of String	Medium	Go
2418	Sort the People	Easy	Python
2433	Find The Original Array of Prefix Xor	Medium	Python
2439	Minimize Maximum of Array	Medium	Go
2444	Count Subarrays With Fixed Bounds	Hard	Go
2448	Minimum Cost to Make Array Equal	Hard	Python
2462	Total Cost to Hire K Workers	Medium	Python
2466	Count Ways To Build Good Strings	Medium	Python
2477	Minimum Fuel Cost to Report to the Capital	Medium	Go
2482	Difference Between Ones and Zeros in Row and Column	Medium	Python
2483	Minimum Penalty for a Shop	Medium	Python
2485	Find the Pivot Integer	Easy	Python
2492	Minimum Score of a Path Between Two Cities	Medium	TypeScript Go
2540	Minimum Common Value	Easy	Python
2542	Maximum Subsequence Score	Medium	Python
2597	The Number of Beautiful Subsets	Medium	Python
2601	Prime Subtraction Operation	Medium	Python
2610	Convert an Array Into a 2D Array With Conditions	Medium	Python
2616	Minimize the Maximum Difference of Pairs	Medium	Python
2642	Design Graph With Shortest Path Calculator	Hard	Python
2706	Buy Two Chocolates	Easy	Python
2707	Extra Characters in a String	Medium	Python
2709	Greatest Common Divisor Traversal	Hard	Python
2785	Sort Vowels in a String	Medium	Python
2812	Find the Safest Path in a Grid	Medium	Python
2816	Double a Number Represented as a Linked List	Medium	Python
2849	Determine if a Cell Is Reachable at a Given Time	Medium	Python
2864	Maximum Odd Binary Number	Easy	Python
2870	Minimum Number of Operations to Make Array Empty	Medium	Python
2958	Length of Longest Subarray With at Most K Frequency	Medium	Python
2962	Count Subarrays Where Max Element Appears at Least K Times	Medium	Python
2966	Divide Array Into Arrays With Max Difference	Medium	Go
2971	Find Polygon With the Largest Perimeter	Medium	Go Python
3005	Count Elements With Maximum Frequency	Easy	Python
3006	Find Beautiful Indices in the Given Array I	Medium	Python
3014	Minimum Number of Pushes to Type Word I	Easy	Python
3015	Count the Number of Houses at a Certain Distance I	Medium	Python
3016	Minimum Number of Pushes to Type Word II	Medium	Python
3042	Count Prefix and Suffix Pairs I	Easy	Python
3043	Find the Length of the Longest Common Prefix	Medium	Python
3044	Most Frequent Prime	Medium	Python
3046	Split the Array	Easy	Python
3047	Find the Largest Area of Square Inside Two Rectangles	Medium	Python
3069	Distribute Elements Into Two Arrays I	Easy	Python
3070	Count Submatrices with Top-Left Element and Sum Less Than k	Medium	Python
3071	Minimum Operations to Write the Letter Y on a Grid	Medium	Python
3074	Apple Redistribution into Boxes	Easy	Python
3075	Maximize Happiness of Selected Children	Medium	Python
3076	Shortest Uncommon Substring in an Array	Medium	Python
3083	Existence of a Substring in a String and Its Reverse	Easy	Python
3084	Count Substrings Starting and Ending with Given Character	Medium	Python
3085	Minimum Deletions to Make String K-Special	Medium	Python
3090	Maximum Length Substring With Two Occurrences	Easy	Python
3091	Apply Operations to Make Sum of Array Greater Than or Equal to k	Medium	Python
3092	Most Frequent IDs	Medium	Python
3099	Harshad Number	Easy	Python
3100	Water Bottles II	Medium	Python
3101	Count Alternating Subarrays	Medium	Python
3110	Score of a String	Easy	Python
3114	Latest Time You Can Obtain After Replacing Characters	Easy	Python
3115	Maximum Prime Difference	Medium	Python
3120	Count the Number of Special Characters I	Easy	Python
3121	Count the Number of Special Characters II	Medium	Python
3122	Minimum Number of Operations to Satisfy Conditions	Medium	Python
3146	Permutation Difference between Two Strings	Easy	Python
3147	Taking Maximum Energy From the Mystic Dungeon	Medium	Python
3162	Find the Number of Good Pairs I	Easy	Python
3163	String Compression III	Medium	Python
3168	Minimum Number of Chairs in a Waiting Room	Easy	Python
3169	Count Days Without Meetings	Medium	Python
3170	Lexicographically Minimum String After Removing Stars	Medium	Python
3178	Find the Child Who Has the Ball After K Seconds	Easy	Python
3179	Find the N-th Value After K Seconds	Medium	Python
3200	Maximum Height of a Triangle	Easy	Python
3201	Find the Maximum Length of Valid Subsequence I	Medium	Python
3248	Snake in Matrix	Easy	Python
3249	Count the Number of Good Nodes	Medium	Python