239/965 Solved - Easy 104 Medium 115 Hard 20

	Num	Title	Solution	Acceptance	Difficulty
✔️	1	Two Sum	JavaScript	42.8%	Easy
✔️	2	Add Two Numbers	JavaScript	30.8%	Medium
✔️	3	Longest Substring Without Repeating Characters	JavaScript	28.1%	Medium
✔️	4	Median of Two Sorted Arrays	JavaScript	25.8%	Hard
✔️	5	Longest Palindromic Substring	JavaScript	26.9%	Medium
✔️	6	ZigZag Conversion	JavaScript	31.1%	Medium
✔️	7	Reverse Integer	JavaScript	25.2%	Easy
✔️	8	String to Integer (atoi)	JavaScript	14.6%	Medium
✔️	9	Palindrome Number	JavaScript	42.5%	Easy
	10	Regular Expression Matching		25.1%	Hard
✔️	11	Container With Most Water	JavaScript	43.3%	Medium
✔️	12	Integer to Roman	JavaScript	50.2%	Medium
✔️	13	Roman to Integer	JavaScript	51.9%	Easy
✔️	14	Longest Common Prefix	JavaScript	33.2%	Easy
✔️	15	3Sum	JavaScript	23.6%	Medium
✔️	16	3Sum Closest	JavaScript	42.0%	Medium
✔️	17	Letter Combinations of a Phone Number	JavaScript	40.8%	Medium
✔️	18	4Sum	JavaScript	30.0%	Medium
✔️	19	Remove Nth Node From End of List	JavaScript	34.1%	Medium
✔️	20	Valid Parentheses	JavaScript	36.1%	Easy
✔️	21	Merge Two Sorted Lists	JavaScript	46.3%	Easy
✔️	22	Generate Parentheses	JavaScript	53.8%	Medium
✔️	23	Merge k Sorted Lists	JavaScript	33.5%	Hard
✔️	24	Swap Nodes in Pairs	JavaScript	43.7%	Medium
✔️	25	Reverse Nodes in k-Group	JavaScript	35.7%	Hard
✔️	26	Remove Duplicates from Sorted Array	JavaScript	40.0%	Easy
✔️	27	Remove Element	JavaScript	43.9%	Easy
✔️	28	Implement strStr()	JavaScript	31.5%	Easy
✔️	29	Divide Two Integers	JavaScript	16.1%	Medium
✔️	30	Substring with Concatenation of All Words	JavaScript	23.3%	Hard
	31	Next Permutation		30.2%	Medium
	32	Longest Valid Parentheses		25.1%	Hard
	33	Search in Rotated Sorted Array		32.7%	Medium
✔️	34	Find First and Last Position of Element in Sorted Array	JavaScript	33.2%	Medium
✔️	35	Search Insert Position	JavaScript	40.6%	Easy
✔️	36	Valid Sudoku	JavaScript	42.3%	Medium
✔️	37	Sudoku Solver	JavaScript	36.0%	Hard
✔️	38	Count and Say	JavaScript	39.9%	Easy
✔️	39	Combination Sum	JavaScript	47.3%	Medium
✔️	40	Combination Sum II	JavaScript	40.6%	Medium
✔️	41	First Missing Positive	JavaScript	28.4%	Hard
	42	Trapping Rain Water		42.4%	Hard
✔️	43	Multiply Strings	JavaScript	30.2%	Medium
	44	Wildcard Matching		22.5%	Hard
✔️	45	Jump Game II	JavaScript	27.7%	Hard
✔️	46	Permutations	JavaScript	54.0%	Medium
✔️	47	Permutations II	JavaScript	39.6%	Medium
✔️	48	Rotate Image	JavaScript	47.4%	Medium
✔️	49	Group Anagrams	JavaScript	45.5%	Medium
✔️	50	Pow(x, n)	JavaScript	27.7%	Medium
✔️	51	N-Queens	JavaScript	38.2%	Hard
✔️	52	N-Queens II	JavaScript	51.1%	Hard
✔️	53	Maximum Subarray	JavaScript	43.1%	Easy
✔️	54	Spiral Matrix	JavaScript	29.9%	Medium
✔️	55	Jump Game	JavaScript	31.5%	Medium
	56	Merge Intervals		35.1%	Medium
	57	Insert Interval		30.9%	Hard
✔️	58	Length of Last Word	JavaScript	32.2%	Easy
✔️	59	Spiral Matrix II	JavaScript	45.7%	Medium
✔️	60	Permutation Sequence	JavaScript	32.6%	Medium
✔️	61	Rotate List	JavaScript	26.7%	Medium
✔️	62	Unique Paths	JavaScript	46.8%	Medium
	63	Unique Paths II		33.3%	Medium
✔️	64	Minimum Path Sum	JavaScript	46.0%	Medium
✔️	65	Valid Number	JavaScript	13.9%	Hard
✔️	66	Plus One	JavaScript	40.9%	Easy
✔️	67	Add Binary	JavaScript	38.4%	Easy
✔️	68	Text Justification	JavaScript	22.7%	Hard
✔️	69	Sqrt(x)	JavaScript	30.9%	Easy
✔️	70	Climbing Stairs	JavaScript	43.7%	Easy
✔️	71	Simplify Path	JavaScript	28.3%	Medium
	72	Edit Distance		36.8%	Hard
✔️	73	Set Matrix Zeroes	JavaScript	39.2%	Medium
✔️	74	Search a 2D Matrix	JavaScript	34.7%	Medium
✔️	75	Sort Colors	JavaScript	41.6%	Medium
	76	Minimum Window Substring		30.2%	Hard
✔️	77	Combinations	JavaScript	46.6%	Medium
✔️	78	Subsets	JavaScript	51.6%	Medium
✔️	79	Word Search	JavaScript	30.7%	Medium
✔️	80	Remove Duplicates from Sorted Array II	JavaScript	39.8%	Medium
	81	Search in Rotated Sorted Array II		32.5%	Medium
✔️	82	Remove Duplicates from Sorted List II	JavaScript	32.4%	Medium
✔️	83	Remove Duplicates from Sorted List	JavaScript	42.1%	Easy
	84	Largest Rectangle in Histogram		30.5%	Hard
	85	Maximal Rectangle		32.7%	Hard
✔️	86	Partition List	JavaScript	36.6%	Medium
	87	Scramble String		31.2%	Hard
✔️	88	Merge Sorted Array	JavaScript	35.2%	Easy
✔️	89	Gray Code	JavaScript	45.2%	Medium
✔️	90	Subsets II	JavaScript	41.8%	Medium
✔️	91	Decode Ways	JavaScript	22.0%	Medium
✔️	92	Reverse Linked List II	JavaScript	34.3%	Medium
✔️	93	Restore IP Addresses	JavaScript	31.0%	Medium
✔️	94	Binary Tree Inorder Traversal	JavaScript	55.6%	Medium
✔️	95	Unique Binary Search Trees II	JavaScript	35.1%	Medium
	96	Unique Binary Search Trees		45.5%	Medium
✔️	97	Interleaving String	JavaScript	27.5%	Hard
✔️	98	Validate Binary Search Tree	JavaScript	25.4%	Medium
✔️	99	Recover Binary Search Tree	JavaScript	34.1%	Hard
✔️	100	Same Tree	JavaScript	49.6%	Easy
	101	Symmetric Tree		43.0%	Easy
✔️	102	Binary Tree Level Order Traversal	JavaScript	47.5%	Medium
✔️	103	Binary Tree Zigzag Level Order Traversal	JavaScript	40.9%	Medium
✔️	104	Maximum Depth of Binary Tree	JavaScript	59.7%	Easy
✔️	105	Construct Binary Tree from Preorder and Inorder Traversal	JavaScript	40.0%	Medium
✔️	106	Construct Binary Tree from Inorder and Postorder Traversal	JavaScript	38.4%	Medium
✔️	107	Binary Tree Level Order Traversal II	JavaScript	46.0%	Easy
✔️	108	Convert Sorted Array to Binary Search Tree	JavaScript	49.7%	Easy
✔️	109	Convert Sorted List to Binary Search Tree	JavaScript	40.0%	Medium
✔️	110	Balanced Binary Tree	JavaScript	40.6%	Easy
✔️	111	Minimum Depth of Binary Tree	JavaScript	35.0%	Easy
✔️	112	Path Sum	JavaScript	37.3%	Easy
✔️	113	Path Sum II	JavaScript	39.8%	Medium
✔️	114	Flatten Binary Tree to Linked List	JavaScript	41.5%	Medium
	115	Distinct Subsequences		34.7%	Hard
	116	Populating Next Right Pointers in Each Node		37.1%	Medium
	117	Populating Next Right Pointers in Each Node II		33.8%	Medium
✔️	118	Pascal's Triangle	JavaScript	45.0%	Easy
✔️	119	Pascal's Triangle II	JavaScript	42.6%	Easy
✔️	120	Triangle	JavaScript	38.7%	Medium
✔️	121	Best Time to Buy and Sell Stock	JavaScript	46.6%	Easy
	122	Best Time to Buy and Sell Stock II		51.2%	Easy
	123	Best Time to Buy and Sell Stock III		33.2%	Hard
	124	Binary Tree Maximum Path Sum		29.5%	Hard
✔️	125	Valid Palindrome	JavaScript	30.5%	Easy
✔️	126	Word Ladder II	JavaScript	17.2%	Hard
✔️	127	Word Ladder	JavaScript	23.3%	Medium
✔️	128	Longest Consecutive Sequence	JavaScript	41.2%	Hard
✔️	129	Sum Root to Leaf Numbers	JavaScript	41.8%	Medium
✔️	130	Surrounded Regions	JavaScript	22.3%	Medium
✔️	131	Palindrome Partitioning	JavaScript	40.0%	Medium
	132	Palindrome Partitioning II		26.9%	Hard
	133	Clone Graph		25.7%	Medium
	134	Gas Station		33.2%	Medium
	135	Candy		27.9%	Hard
✔️	136	Single Number	JavaScript	59.4%	Easy
✔️	137	Single Number II	JavaScript	45.4%	Medium
	138	Copy List with Random Pointer		26.2%	Medium
✔️	139	Word Break	JavaScript	34.7%	Medium
✔️	140	Word Break II	JavaScript	26.9%	Hard
✔️	141	Linked List Cycle	JavaScript	36.2%	Easy
✔️	142	Linked List Cycle II	JavaScript	31.3%	Medium
✔️	143	Reorder List	JavaScript	30.1%	Medium
✔️	144	Binary Tree Preorder Traversal	JavaScript	50.6%	Medium
✔️	145	Binary Tree Postorder Traversal	JavaScript	47.5%	Hard
	146	LRU Cache		24.5%	Hard
✔️	147	Insertion Sort List	JavaScript	36.7%	Medium
✔️	148	Sort List	JavaScript	34.4%	Medium
	149	Max Points on a Line		15.6%	Hard
✔️	150	Evaluate Reverse Polish Notation	JavaScript	31.6%	Medium
✔️	151	Reverse Words in a String	JavaScript	16.2%	Medium
	152	Maximum Product Subarray		28.7%	Medium
	153	Find Minimum in Rotated Sorted Array		42.6%	Medium
	154	Find Minimum in Rotated Sorted Array II		39.1%	Hard
✔️	155	Min Stack	JavaScript	36.1%	Easy
	156	Binary Tree Upside Down		49.9%	Medium
	157	Read N Characters Given Read4		28.8%	Easy
	158	Read N Characters Given Read4 II - Call multiple times		25.5%	Hard
	159	Longest Substring with At Most Two Distinct Characters		46.4%	Hard
✔️	160	Intersection of Two Linked Lists	JavaScript	32.8%	Easy
	161	One Edit Distance		31.5%	Medium
	162	Find Peak Element		40.9%	Medium
	163	Missing Ranges		23.0%	Medium
✔️	164	Maximum Gap	JavaScript	32.1%	Hard
✔️	165	Compare Version Numbers	JavaScript	23.0%	Medium
	166	Fraction to Recurring Decimal		19.3%	Medium
✔️	167	Two Sum II - Input array is sorted	JavaScript	49.7%	Easy
✔️	168	Excel Sheet Column Title	JavaScript	28.7%	Easy
✔️	169	Majority Element	JavaScript	51.9%	Easy
	170	Two Sum III - Data structure design		29.9%	Easy
✔️	171	Excel Sheet Column Number	JavaScript	51.1%	Easy
	172	Factorial Trailing Zeroes		37.3%	Easy
✔️	173	Binary Search Tree Iterator	JavaScript	47.7%	Medium
	174	Dungeon Game		26.7%	Hard
✔️	179	Largest Number	JavaScript	25.4%	Medium
	186	Reverse Words in a String II		36.8%	Medium
	187	Repeated DNA Sequences		35.6%	Medium
	188	Best Time to Buy and Sell Stock IV		26.0%	Hard
✔️	189	Rotate Array	JavaScript	29.4%	Easy
✔️	190	Reverse Bits	JavaScript	30.6%	Easy
✔️	191	Number of 1 Bits	JavaScript	42.4%	Easy
✔️	198	House Robber	JavaScript	40.9%	Easy
✔️	199	Binary Tree Right Side View	JavaScript	47.0%	Medium
✔️	200	Number of Islands	JavaScript	40.7%	Medium
	201	Bitwise AND of Numbers Range		35.6%	Medium
✔️	202	Happy Number	JavaScript	44.6%	Easy
✔️	203	Remove Linked List Elements	JavaScript	35.4%	Easy
	204	Count Primes		28.5%	Easy
	205	Isomorphic Strings		36.9%	Easy
✔️	206	Reverse Linked List	JavaScript	53.4%	Easy
	207	Course Schedule		37.1%	Medium
✔️	208	Implement Trie (Prefix Tree)	JavaScript	37.3%	Medium
✔️	209	Minimum Size Subarray Sum	JavaScript	34.4%	Medium
	210	Course Schedule II		34.1%	Medium
	211	Add and Search Word - Data structure design		29.6%	Medium
	212	Word Search II		27.9%	Hard
✔️	213	House Robber II	JavaScript	35.2%	Medium
	214	Shortest Palindrome		27.3%	Hard
✔️	215	Kth Largest Element in an Array	JavaScript	46.6%	Medium
✔️	216	Combination Sum III	JavaScript	50.8%	Medium
✔️	217	Contains Duplicate	JavaScript	51.2%	Easy
	218	The Skyline Problem		31.3%	Hard
✔️	219	Contains Duplicate II	JavaScript	34.9%	Easy
✔️	220	Contains Duplicate III	JavaScript	19.5%	Medium
	221	Maximal Square		32.5%	Medium
✔️	222	Count Complete Tree Nodes	JavaScript	32.1%	Medium
	223	Rectangle Area		35.6%	Medium
	224	Basic Calculator		32.0%	Hard
✔️	225	Implement Stack using Queues	JavaScript	38.4%	Easy
✔️	226	Invert Binary Tree	JavaScript	57.4%	Easy
	227	Basic Calculator II		32.9%	Medium
✔️	228	Summary Ranges	JavaScript	35.5%	Medium
	229	Majority Element II		31.5%	Medium
✔️	230	Kth Smallest Element in a BST	JavaScript	50.4%	Medium
✔️	231	Power of Two	JavaScript	41.7%	Easy
✔️	232	Implement Queue using Stacks	JavaScript	42.5%	Easy
	233	Number of Digit One		30.0%	Hard
✔️	234	Palindrome Linked List	JavaScript	35.5%	Easy
✔️	235	Lowest Common Ancestor of a Binary Search Tree	JavaScript	43.9%	Easy
✔️	236	Lowest Common Ancestor of a Binary Tree	JavaScript	36.1%	Medium
✔️	237	Delete Node in a Linked List	JavaScript	52.5%	Easy
✔️	238	Product of Array Except Self	JavaScript	54.3%	Medium
	239	Sliding Window Maximum		37.5%	Hard
	240	Search a 2D Matrix II		40.5%	Medium
	241	Different Ways to Add Parentheses		49.2%	Medium
✔️	242	Valid Anagram	JavaScript	51.4%	Easy
	243	Shortest Word Distance		56.5%	Easy
	244	Shortest Word Distance II		46.4%	Medium
	245	Shortest Word Distance III		52.9%	Medium
	246	Strobogrammatic Number		41.9%	Easy
	247	Strobogrammatic Number II		43.8%	Medium
	248	Strobogrammatic Number III		36.0%	Hard
	249	Group Shifted Strings		48.3%	Medium
	250	Count Univalue Subtrees		48.1%	Medium
	251	Flatten 2D Vector		43.5%	Medium
	252	Meeting Rooms		51.6%	Easy
	253	Meeting Rooms II		42.5%	Medium
	254	Factor Combinations		44.0%	Medium
	255	Verify Preorder Sequence in Binary Search Tree		43.1%	Medium
	256	Paint House		48.4%	Easy
	257	Binary Tree Paths		45.3%	Easy
✔️	258	Add Digits	JavaScript	53.7%	Easy
	259	3Sum Smaller		44.5%	Medium
	260	Single Number III		56.5%	Medium
	261	Graph Valid Tree		39.6%	Medium
	263	Ugly Number		40.4%	Easy
	264	Ugly Number II		35.8%	Medium
	265	Paint House II		41.0%	Hard
	266	Palindrome Permutation		59.8%	Easy
	267	Palindrome Permutation II		33.3%	Medium
✔️	268	Missing Number	JavaScript	47.8%	Easy
	269	Alien Dictionary		30.4%	Hard
	270	Closest Binary Search Tree Value		43.4%	Easy
	271	Encode and Decode Strings		26.1%	Medium
	272	Closest Binary Search Tree Value II		44.1%	Hard
	273	Integer to English Words		24.0%	Hard
	274	H-Index		34.5%	Medium
	275	H-Index II		35.3%	Medium
	276	Paint Fence		36.2%	Easy
	277	Find the Celebrity		36.0%	Medium
✔️	278	First Bad Version	JavaScript	29.3%	Easy
✔️	279	Perfect Squares	JavaScript	41.2%	Medium
	280	Wiggle Sort		60.7%	Medium
	281	Zigzag Iterator		55.6%	Medium
	282	Expression Add Operators		32.4%	Hard
✔️	283	Move Zeroes	JavaScript	53.9%	Easy
	284	Peeking Iterator		39.9%	Medium
	285	Inorder Successor in BST		33.9%	Medium
	286	Walls and Gates		48.8%	Medium
✔️	287	Find the Duplicate Number	JavaScript	48.8%	Medium
	288	Unique Word Abbreviation		19.7%	Medium
	289	Game of Life		44.1%	Medium
	290	Word Pattern		34.7%	Easy
	291	Word Pattern II		40.4%	Hard
	292	Nim Game		55.5%	Easy
	293	Flip Game		58.6%	Easy
	294	Flip Game II		47.8%	Medium
	295	Find Median from Data Stream		35.5%	Hard
	296	Best Meeting Point		54.4%	Hard
✔️	297	Serialize and Deserialize Binary Tree	JavaScript	39.9%	Hard
	298	Binary Tree Longest Consecutive Sequence		43.7%	Medium
	299	Bulls and Cows		38.9%	Medium
✔️	300	Longest Increasing Subsequence	JavaScript	40.4%	Medium
	301	Remove Invalid Parentheses		38.7%	Hard
	302	Smallest Rectangle Enclosing Black Pixels		48.8%	Hard
✔️	303	Range Sum Query - Immutable	JavaScript	37.1%	Easy
✔️	304	Range Sum Query 2D - Immutable	JavaScript	31.6%	Medium
	305	Number of Islands II		42.0%	Hard
✔️	306	Additive Number	JavaScript	28.2%	Medium
	307	Range Sum Query - Mutable		27.9%	Medium
	308	Range Sum Query 2D - Mutable		31.3%	Hard
	309	Best Time to Buy and Sell Stock with Cooldown		43.6%	Medium
	310	Minimum Height Trees		29.9%	Medium
	311	Sparse Matrix Multiplication		55.7%	Medium
	312	Burst Balloons		46.6%	Hard
	313	Super Ugly Number		40.8%	Medium
	314	Binary Tree Vertical Order Traversal		40.4%	Medium
	315	Count of Smaller Numbers After Self		37.5%	Hard
	316	Remove Duplicate Letters		32.1%	Hard
	317	Shortest Distance from All Buildings		37.1%	Hard
	318	Maximum Product of Word Lengths		48.0%	Medium
	319	Bulb Switcher		43.7%	Medium
	320	Generalized Abbreviation		48.4%	Medium
	321	Create Maximum Number		25.2%	Hard
	322	Coin Change		29.6%	Medium
	323	Number of Connected Components in an Undirected Graph		51.5%	Medium
	324	Wiggle Sort II		27.6%	Medium
	325	Maximum Size Subarray Sum Equals k		44.4%	Medium
✔️	326	Power of Three	JavaScript	41.5%	Easy
	327	Count of Range Sum		32.2%	Hard
✔️	328	Odd Even Linked List	JavaScript	48.5%	Medium
	329	Longest Increasing Path in a Matrix		39.5%	Hard
	330	Patching Array		33.2%	Hard
	331	Verify Preorder Serialization of a Binary Tree		38.3%	Medium
	332	Reconstruct Itinerary		30.9%	Medium
	333	Largest BST Subtree		32.5%	Medium
	334	Increasing Triplet Subsequence		39.5%	Medium
	335	Self Crossing		26.9%	Hard
✔️	336	Palindrome Pairs	JavaScript	30.5%	Hard
	337	House Robber III		47.6%	Medium
✔️	338	Counting Bits	JavaScript	64.2%	Medium
	339	Nested List Weight Sum		67.5%	Easy
	340	Longest Substring with At Most K Distinct Characters		39.3%	Hard
✔️	341	Flatten Nested List Iterator	JavaScript	47.2%	Medium
✔️	342	Power of Four	JavaScript	40.0%	Easy
✔️	343	Integer Break	JavaScript	47.5%	Medium
✔️	344	Reverse String	JavaScript	63.0%	Easy
✔️	345	Reverse Vowels of a String	JavaScript	41.0%	Easy
	346	Moving Average from Data Stream		65.5%	Easy
	347	Top K Frequent Elements		53.9%	Medium
	348	Design Tic-Tac-Toe		48.9%	Medium
✔️	349	Intersection of Two Arrays	JavaScript	53.5%	Easy
✔️	350	Intersection of Two Arrays II	JavaScript	47.1%	Easy
	351	Android Unlock Patterns		45.6%	Medium
	352	Data Stream as Disjoint Intervals		43.1%	Hard
	353	Design Snake Game		30.0%	Medium
	354	Russian Doll Envelopes		33.7%	Hard
	355	Design Twitter		27.0%	Medium
	356	Line Reflection		30.8%	Medium
	357	Count Numbers with Unique Digits		46.7%	Medium
	358	Rearrange String k Distance Apart		32.7%	Hard
	359	Logger Rate Limiter		64.4%	Easy
	360	Sort Transformed Array		46.5%	Medium
	361	Bomb Enemy		42.7%	Medium
	362	Design Hit Counter		58.5%	Medium
	363	Max Sum of Rectangle No Larger Than K		34.9%	Hard
	364	Nested List Weight Sum II		57.0%	Medium
	365	Water and Jug Problem		28.8%	Medium
	366	Find Leaves of Binary Tree		64.6%	Medium
	367	Valid Perfect Square		39.5%	Easy
	368	Largest Divisible Subset		34.6%	Medium
	369	Plus One Linked List		55.8%	Medium
	370	Range Addition		60.2%	Medium
✔️	371	Sum of Two Integers	JavaScript	51.1%	Easy
	372	Super Pow		35.5%	Medium
	373	Find K Pairs with Smallest Sums		33.4%	Medium
✔️	374	Guess Number Higher or Lower	JavaScript	38.9%	Easy
	375	Guess Number Higher or Lower II		37.4%	Medium
	376	Wiggle Subsequence		37.1%	Medium
✔️	377	Combination Sum IV	JavaScript	43.7%	Medium
	378	Kth Smallest Element in a Sorted Matrix		48.8%	Medium
	379	Design Phone Directory		40.3%	Medium
	380	Insert Delete GetRandom O(1)		42.2%	Medium
	381	Insert Delete GetRandom O(1) - Duplicates allowed		31.6%	Hard
	382	Linked List Random Node		48.9%	Medium
	383	Ransom Note		49.4%	Easy
✔️	384	Shuffle an Array	JavaScript	49.7%	Medium
✔️	385	Mini Parser	JavaScript	31.6%	Medium
	386	Lexicographical Numbers		45.1%	Medium
✔️	387	First Unique Character in a String	JavaScript	49.5%	Easy
	388	Longest Absolute File Path		38.9%	Medium
✔️	389	Find the Difference	JavaScript	52.8%	Easy
	390	Elimination Game		43.4%	Medium
	391	Perfect Rectangle		28.0%	Hard
	392	Is Subsequence		46.4%	Medium
	393	UTF-8 Validation		35.5%	Medium
	394	Decode String		44.2%	Medium
	395	Longest Substring with At Least K Repeating Characters		38.1%	Medium
	396	Rotate Function		35.0%	Medium
	397	Integer Replacement		31.2%	Medium
	398	Random Pick Index		49.3%	Medium
	399	Evaluate Division		47.0%	Medium
	400	Nth Digit		30.2%	Easy
✔️	401	Binary Watch	JavaScript	45.1%	Easy
	402	Remove K Digits		26.3%	Medium
	403	Frog Jump		35.7%	Hard
✔️	404	Sum of Left Leaves	JavaScript	48.8%	Easy
✔️	405	Convert a Number to Hexadecimal	JavaScript	41.8%	Easy
	406	Queue Reconstruction by Height		59.2%	Medium
	407	Trapping Rain Water II		38.9%	Hard
	408	Valid Word Abbreviation		29.3%	Easy
	409	Longest Palindrome		47.7%	Easy
	410	Split Array Largest Sum		41.9%	Hard
	411	Minimum Unique Word Abbreviation		34.7%	Hard
	412	Fizz Buzz		59.1%	Easy
	413	Arithmetic Slices		55.5%	Medium
	414	Third Maximum Number		28.8%	Easy
✔️	415	Add Strings	JavaScript	43.3%	Easy
	416	Partition Equal Subset Sum		40.1%	Medium
	417	Pacific Atlantic Water Flow		37.0%	Medium
	418	Sentence Screen Fitting		30.7%	Medium
	419	Battleships in a Board		65.3%	Medium
	420	Strong Password Checker		17.8%	Hard
	421	Maximum XOR of Two Numbers in an Array		50.5%	Medium
	422	Valid Word Square		36.5%	Easy
	423	Reconstruct Original Digits from English		45.4%	Medium
	424	Longest Repeating Character Replacement		43.8%	Medium
	425	Word Squares		43.8%	Hard
	426	Convert Binary Search Tree to Sorted Doubly Linked List		50.7%	Medium
	427	Construct Quad Tree		55.2%	Easy
	428	Serialize and Deserialize N-ary Tree		52.9%	Hard
	429	N-ary Tree Level Order Traversal		58.7%	Easy
	430	Flatten a Multilevel Doubly Linked List		41.1%	Medium
	431	Encode N-ary Tree to Binary Tree		61.5%	Hard
	432	All O`one Data Structure		29.0%	Hard
	433	Minimum Genetic Mutation		37.6%	Medium
	434	Number of Segments in a String		36.7%	Easy
	435	Non-overlapping Intervals		41.5%	Medium
	436	Find Right Interval		42.5%	Medium
	437	Path Sum III		42.2%	Easy
	438	Find All Anagrams in a String		36.8%	Easy
	439	Ternary Expression Parser		53.2%	Medium
	440	K-th Smallest in Lexicographical Order		26.4%	Hard
	441	Arranging Coins		37.7%	Easy
✔️	442	Find All Duplicates in an Array	JavaScript	60.2%	Medium
✔️	443	String Compression	JavaScript	37.1%	Easy
	444	Sequence Reconstruction		20.2%	Medium
✔️	445	Add Two Numbers II	JavaScript	49.6%	Medium
	446	Arithmetic Slices II - Subsequence		29.9%	Hard
	447	Number of Boomerangs		49.5%	Easy
✔️	448	Find All Numbers Disappeared in an Array	JavaScript	52.9%	Easy
✔️	449	Serialize and Deserialize BST	JavaScript	46.2%	Medium
✔️	450	Delete Node in a BST	JavaScript	39.5%	Medium
	451	Sort Characters By Frequency		55.3%	Medium
	452	Minimum Number of Arrows to Burst Balloons		45.9%	Medium
	453	Minimum Moves to Equal Array Elements		49.0%	Easy
✔️	454	4Sum II	JavaScript	50.1%	Medium
	455	Assign Cookies		48.2%	Easy
	456	132 Pattern		27.4%	Medium
	457	Circular Array Loop		27.4%	Medium
	458	Poor Pigs		45.0%	Hard
	459	Repeated Substring Pattern		39.6%	Easy
	460	LFU Cache		28.4%	Hard
✔️	461	Hamming Distance	JavaScript	70.1%	Easy
	462	Minimum Moves to Equal Array Elements II		52.3%	Medium
	463	Island Perimeter		60.5%	Easy
	464	Can I Win		27.0%	Medium
	465	Optimal Account Balancing		42.2%	Hard
	466	Count The Repetitions		27.4%	Hard
	467	Unique Substrings in Wraparound String		33.6%	Medium
✔️	468	Validate IP Address	JavaScript	21.1%	Medium
	469	Convex Polygon		35.2%	Medium
	470	Implement Rand10() Using Rand7()		44.4%	Medium
	471	Encode String with Shortest Length		44.6%	Hard
	472	Concatenated Words		33.7%	Hard
	473	Matchsticks to Square		35.8%	Medium
	474	Ones and Zeroes		39.5%	Medium
	475	Heaters		31.4%	Easy
✔️	476	Number Complement	JavaScript	62.1%	Easy
	477	Total Hamming Distance		48.7%	Medium
	478	Generate Random Point in a Circle		36.0%	Medium
	479	Largest Palindrome Product		27.2%	Hard
	480	Sliding Window Median		31.8%	Hard
	481	Magical String		45.9%	Medium
	482	License Key Formatting		40.5%	Easy
	483	Smallest Good Base		34.0%	Hard
	484	Find Permutation		57.1%	Medium
✔️	485	Max Consecutive Ones	JavaScript	54.7%	Easy
	486	Predict the Winner		46.7%	Medium
	487	Max Consecutive Ones II		46.4%	Medium
	488	Zuma Game		38.2%	Hard
	489	Robot Room Cleaner		63.2%	Hard
	490	The Maze		46.8%	Medium
	491	Increasing Subsequences		41.7%	Medium
	492	Construct the Rectangle		48.5%	Easy
	493	Reverse Pairs		22.7%	Hard
✔️	494	Target Sum	JavaScript	44.9%	Medium
	495	Teemo Attacking		52.0%	Medium
	496	Next Greater Element I		59.0%	Easy
	497	Random Point in Non-overlapping Rectangles		35.2%	Medium
	498	Diagonal Traverse		45.1%	Medium
	499	The Maze III		36.7%	Hard
✔️	500	Keyboard Row	JavaScript	61.8%	Easy
	501	Find Mode in Binary Search Tree		39.1%	Easy
	502	IPO		37.5%	Hard
	503	Next Greater Element II		50.3%	Medium
✔️	504	Base 7	JavaScript	44.7%	Easy
	505	The Maze II		42.9%	Medium
	506	Relative Ranks		48.0%	Easy
	507	Perfect Number		34.0%	Easy
✔️	508	Most Frequent Subtree Sum	JavaScript	54.0%	Medium
✔️	509	Fibonacci Number	JavaScript	67.0%	Easy
	510	Inorder Successor in BST II		53.9%	Medium
✔️	513	Find Bottom Left Tree Value	JavaScript	58.1%	Medium
	514	Freedom Trail		40.4%	Hard
✔️	515	Find Largest Value in Each Tree Row	JavaScript	57.4%	Medium
	516	Longest Palindromic Subsequence		45.8%	Medium
	517	Super Washing Machines		36.8%	Hard
	518	Coin Change 2		41.8%	Medium
	519	Random Flip Matrix		32.8%	Medium
	520	Detect Capital		52.3%	Easy
	521	Longest Uncommon Subsequence I		56.2%	Easy
	522	Longest Uncommon Subsequence II		32.8%	Medium
	523	Continuous Subarray Sum		24.2%	Medium
	524	Longest Word in Dictionary through Deleting		45.3%	Medium
	525	Contiguous Array		42.4%	Medium
	526	Beautiful Arrangement		54.1%	Medium
	527	Word Abbreviation		48.3%	Hard
	528	Random Pick with Weight		42.8%	Medium
	529	Minesweeper		52.2%	Medium
	530	Minimum Absolute Difference in BST		50.0%	Easy
	531	Lonely Pixel I		57.4%	Medium
	532	K-diff Pairs in an Array		29.5%	Easy
	533	Lonely Pixel II		45.9%	Medium
	535	Encode and Decode TinyURL		76.1%	Medium
	536	Construct Binary Tree from String		44.1%	Medium
	537	Complex Number Multiplication		65.2%	Medium
✔️	538	Convert BST to Greater Tree	JavaScript	50.2%	Easy
	539	Minimum Time Difference		47.5%	Medium
	540	Single Element in a Sorted Array		57.3%	Medium
	541	Reverse String II		45.2%	Easy
	542	01 Matrix		34.9%	Medium
	543	Diameter of Binary Tree		46.4%	Easy
	544	Output Contest Matches		72.9%	Medium
	545	Boundary of Binary Tree		34.6%	Medium
	546	Remove Boxes		37.7%	Hard
	547	Friend Circles		52.9%	Medium
	548	Split Array with Equal Sum		43.0%	Medium
	549	Binary Tree Longest Consecutive Sequence II		44.1%	Medium
	551	Student Attendance Record I		45.2%	Easy
	552	Student Attendance Record II		32.5%	Hard
	553	Optimal Division		55.2%	Medium
	554	Brick Wall		47.4%	Medium
	555	Split Concatenated Strings		39.7%	Medium
	556	Next Greater Element III		29.8%	Medium
	557	Reverse Words in a String III		63.4%	Easy
	558	Quad Tree Intersection		40.3%	Easy
	559	Maximum Depth of N-ary Tree		64.8%	Easy
	560	Subarray Sum Equals K		41.9%	Medium
	561	Array Partition I		68.5%	Easy
	562	Longest Line of Consecutive One in Matrix		43.2%	Medium
✔️	563	Binary Tree Tilt	JavaScript	46.9%	Easy
	564	Find the Closest Palindrome		18.4%	Hard
	565	Array Nesting		52.0%	Medium
	566	Reshape the Matrix		58.6%	Easy
	567	Permutation in String		38.0%	Medium
	568	Maximum Vacation Days		37.8%	Hard
	572	Subtree of Another Tree		41.4%	Easy
	573	Squirrel Simulation		53.2%	Medium
	575	Distribute Candies		59.3%	Easy
	576	Out of Boundary Paths		31.5%	Medium
	581	Shortest Unsorted Continuous Subarray		29.8%	Easy
	582	Kill Process		55.8%	Medium
	583	Delete Operation for Two Strings		44.4%	Medium
	587	Erect the Fence		34.3%	Hard
	588	Design In-Memory File System		38.4%	Hard
	589	N-ary Tree Preorder Traversal		66.6%	Easy
	590	N-ary Tree Postorder Traversal		66.5%	Easy
	591	Tag Validator		31.9%	Hard
	592	Fraction Addition and Subtraction		46.7%	Medium
	593	Valid Square		40.2%	Medium
	594	Longest Harmonious Subsequence		43.2%	Easy
	598	Range Addition II		48.5%	Easy
	599	Minimum Index Sum of Two Lists		47.5%	Easy
	600	Non-negative Integers without Consecutive Ones		32.5%	Hard
	604	Design Compressed String Iterator		34.5%	Easy
	605	Can Place Flowers		30.7%	Easy
✔️	606	Construct String from Binary Tree	JavaScript	51.2%	Easy
	609	Find Duplicate File in System		54.5%	Medium
	611	Valid Triangle Number		44.6%	Medium
	616	Add Bold Tag in String		39.0%	Medium
✔️	617	Merge Two Binary Trees	JavaScript	69.5%	Easy
	621	Task Scheduler		44.8%	Medium
	622	Design Circular Queue		38.6%	Medium
	623	Add One Row to Tree		47.0%	Medium
	624	Maximum Distance in Arrays		37.0%	Easy
	625	Minimum Factorization		31.8%	Medium
	628	Maximum Product of Three Numbers		45.7%	Easy
	629	K Inverse Pairs Array		29.0%	Hard
	630	Course Schedule III		31.1%	Hard
	631	Design Excel Sum Formula		29.0%	Hard
	632	Smallest Range		46.4%	Hard
	633	Sum of Square Numbers		32.8%	Easy
	634	Find the Derangement of An Array		37.3%	Medium
	635	Design Log Storage System		53.3%	Medium
	636	Exclusive Time of Functions		48.2%	Medium
	637	Average of Levels in Binary Tree		58.3%	Easy
	638	Shopping Offers		48.0%	Medium
	639	Decode Ways II		24.8%	Hard
	640	Solve the Equation		40.0%	Medium
	641	Design Circular Deque		48.9%	Medium
	642	Design Search Autocomplete System		36.5%	Hard
✔️	643	Maximum Average Subarray I	JavaScript	39.1%	Easy
	644	Maximum Average Subarray II		28.1%	Hard
	645	Set Mismatch		40.5%	Easy
	646	Maximum Length of Pair Chain		48.2%	Medium
	647	Palindromic Substrings		56.2%	Medium
	648	Replace Words		51.1%	Medium
	649	Dota2 Senate		37.2%	Medium
	650	2 Keys Keyboard		46.2%	Medium
	651	4 Keys Keyboard		50.2%	Medium
✔️	652	Find Duplicate Subtrees	JavaScript	44.7%	Medium
	653	Two Sum IV - Input is a BST		52.1%	Easy
	654	Maximum Binary Tree		75.4%	Medium
	655	Print Binary Tree		51.4%	Medium
	656	Coin Path		26.6%	Hard
	657	Robot Return to Origin		71.0%	Easy
	658	Find K Closest Elements		37.5%	Medium
	659	Split Array into Consecutive Subsequences		40.1%	Medium
	660	Remove 9		51.2%	Hard
	661	Image Smoother		48.3%	Easy
	662	Maximum Width of Binary Tree		39.7%	Medium
	663	Equal Tree Partition		37.8%	Medium
	664	Strange Printer		35.7%	Hard
	665	Non-decreasing Array		19.4%	Easy
	666	Path Sum IV		51.6%	Medium
	667	Beautiful Arrangement II		51.6%	Medium
	668	Kth Smallest Number in Multiplication Table		41.2%	Hard
	669	Trim a Binary Search Tree		60.0%	Easy
	670	Maximum Swap		39.3%	Medium
	671	Second Minimum Node In a Binary Tree		43.5%	Easy
	672	Bulb Switcher II		49.6%	Medium
	673	Number of Longest Increasing Subsequence		33.3%	Medium
	674	Longest Continuous Increasing Subsequence		43.9%	Easy
	675	Cut Off Trees for Golf Event		30.4%	Hard
	676	Implement Magic Dictionary		51.2%	Medium
	677	Map Sum Pairs		51.2%	Medium
	678	Valid Parenthesis String		32.4%	Medium
	679	24 Game		42.1%	Hard
	680	Valid Palindrome II		33.9%	Easy
	681	Next Closest Time		42.4%	Medium
	682	Baseball Game		60.6%	Easy
	683	K Empty Slots		34.0%	Hard
	684	Redundant Connection		50.7%	Medium
	685	Redundant Connection II		30.3%	Hard
	686	Repeated String Match		31.3%	Easy
	687	Longest Univalue Path		33.4%	Easy
	688	Knight Probability in Chessboard		43.3%	Medium
	689	Maximum Sum of 3 Non-Overlapping Subarrays		43.9%	Hard
	690	Employee Importance		53.5%	Easy
	691	Stickers to Spell Word		37.8%	Hard
	692	Top K Frequent Words		45.1%	Medium
	693	Binary Number with Alternating Bits		57.7%	Easy
	694	Number of Distinct Islands		50.5%	Medium
	695	Max Area of Island		56.4%	Medium
	696	Count Binary Substrings		52.9%	Easy
	697	Degree of an Array		49.7%	Easy
	698	Partition to K Equal Sum Subsets		41.6%	Medium
	699	Falling Squares		39.7%	Hard
✔️	700	Search in a Binary Search Tree	JavaScript	67.2%	Easy
✔️	701	Insert into a Binary Search Tree	JavaScript	74.5%	Medium
	702	Search in a Sorted Array of Unknown Size		56.9%	Medium
	703	Kth Largest Element in a Stream		45.8%	Easy
✔️	704	Binary Search	JavaScript	46.2%	Easy
	705	Design HashSet		51.6%	Easy
	706	Design HashMap		55.1%	Easy
✔️	707	Design Linked List	JavaScript	23.6%	Easy
	708	Insert into a Cyclic Sorted List		28.5%	Medium
✔️	709	To Lower Case	JavaScript	76.4%	Easy
	710	Random Pick with Blacklist		30.6%	Hard
	711	Number of Distinct Islands II		45.5%	Hard
	712	Minimum ASCII Delete Sum for Two Strings		53.6%	Medium
	713	Subarray Product Less Than K		36.3%	Medium
	714	Best Time to Buy and Sell Stock with Transaction Fee		49.8%	Medium
	715	Range Module		34.6%	Hard
	716	Max Stack		39.5%	Easy
	717	1-bit and 2-bit Characters		49.0%	Easy
	718	Maximum Length of Repeated Subarray		45.2%	Medium
	719	Find K-th Smallest Pair Distance		28.7%	Hard
	720	Longest Word in Dictionary		44.0%	Easy
	721	Accounts Merge		39.3%	Medium
	722	Remove Comments		30.6%	Medium
	723	Candy Crush		62.5%	Medium
	724	Find Pivot Index		40.7%	Easy
✔️	725	Split Linked List in Parts	JavaScript	48.8%	Medium
	726	Number of Atoms		44.3%	Hard
	727	Minimum Window Subsequence		36.4%	Hard
	728	Self Dividing Numbers		69.4%	Easy
	729	My Calendar I		46.7%	Medium
	730	Count Different Palindromic Subsequences		38.0%	Hard
	731	My Calendar II		43.4%	Medium
	732	My Calendar III		53.8%	Hard
	733	Flood Fill		50.2%	Easy
	734	Sentence Similarity		40.3%	Easy
	735	Asteroid Collision		38.1%	Medium
	736	Parse Lisp Expression		43.7%	Hard
	737	Sentence Similarity II		43.0%	Medium
	738	Monotone Increasing Digits		41.4%	Medium
	739	Daily Temperatures		59.5%	Medium
	740	Delete and Earn		45.3%	Medium
	741	Cherry Pickup		28.4%	Hard
	742	Closest Leaf in a Binary Tree		38.2%	Medium
	743	Network Delay Time		40.7%	Medium
	744	Find Smallest Letter Greater Than Target		43.7%	Easy
	745	Prefix and Suffix Search		29.9%	Hard
	746	Min Cost Climbing Stairs		46.4%	Easy
	747	Largest Number At Least Twice of Others		40.3%	Easy
	748	Shortest Completing Word		53.8%	Easy
	749	Contain Virus		40.7%	Hard
	750	Number Of Corner Rectangles		64.0%	Medium
	751	IP to CIDR		58.7%	Easy
	752	Open the Lock		45.1%	Medium
	753	Cracking the Safe		45.1%	Hard
	754	Reach a Number		31.9%	Easy
	755	Pour Water		39.5%	Medium
	756	Pyramid Transition Matrix		50.7%	Medium
	757	Set Intersection Size At Least Two		36.7%	Hard
	758	Bold Words in String		42.0%	Easy
	759	Employee Free Time		61.0%	Hard
	760	Find Anagram Mappings		79.1%	Easy
	761	Special Binary String		50.5%	Hard
✔️	762	Prime Number of Set Bits in Binary Representation	JavaScript	58.3%	Easy
	763	Partition Labels		69.1%	Medium
	764	Largest Plus Sign		43.1%	Medium
	765	Couples Holding Hands		51.1%	Hard
	766	Toeplitz Matrix		61.3%	Easy
	767	Reorganize String		41.4%	Medium
	768	Max Chunks To Make Sorted II		45.4%	Hard
	769	Max Chunks To Make Sorted		51.1%	Medium
	770	Basic Calculator IV		44.9%	Hard
	771	Jewels and Stones		82.9%	Easy
	772	Basic Calculator III		43.8%	Hard
	773	Sliding Puzzle		51.1%	Hard
	774	Minimize Max Distance to Gas Station		40.5%	Hard
	775	Global and Local Inversions		38.1%	Medium
	776	Split BST		52.1%	Medium
	777	Swap Adjacent in LR String		32.9%	Medium
	778	Swim in Rising Water		46.9%	Hard
	779	K-th Symbol in Grammar		37.7%	Medium
	780	Reaching Points		27.3%	Hard
	781	Rabbits in Forest		51.1%	Medium
	782	Transform to Chessboard		39.4%	Hard
	783	Minimum Distance Between BST Nodes		50.0%	Easy
✔️	784	Letter Case Permutation	JavaScript	55.6%	Easy
	785	Is Graph Bipartite?		42.7%	Medium
	786	K-th Smallest Prime Fraction		39.2%	Hard
	787	Cheapest Flights Within K Stops		34.2%	Medium
	788	Rotated Digits		53.5%	Easy
	789	Escape The Ghosts		54.9%	Medium
	790	Domino and Tromino Tiling		35.3%	Medium
	791	Custom Sort String		61.1%	Medium
	792	Number of Matching Subsequences		42.1%	Medium
	793	Preimage Size of Factorial Zeroes Function		39.1%	Hard
	794	Valid Tic-Tac-Toe State		29.1%	Medium
	795	Number of Subarrays with Bounded Maximum		42.6%	Medium
✔️	796	Rotate String	JavaScript	48.8%	Easy
	797	All Paths From Source to Target		69.7%	Medium
	798	Smallest Rotation with Highest Score		39.2%	Hard
	799	Champagne Tower		33.7%	Medium
	800	Similar RGB Color		59.1%	Easy
	801	Minimum Swaps To Make Sequences Increasing		34.2%	Medium
	802	Find Eventual Safe States		42.9%	Medium
	803	Bricks Falling When Hit		28.0%	Hard
	804	Unique Morse Code Words		74.5%	Easy
	805	Split Array With Same Average		23.8%	Hard
	806	Number of Lines To Write String		62.6%	Easy
	807	Max Increase to Keep City Skyline		81.1%	Medium
	808	Soup Servings		36.3%	Medium
	809	Expressive Words		42.5%	Medium
	810	Chalkboard XOR Game		43.7%	Hard
	811	Subdomain Visit Count		64.4%	Easy
	812	Largest Triangle Area		55.3%	Easy
	813	Largest Sum of Averages		44.1%	Medium
	814	Binary Tree Pruning		70.2%	Medium
	815	Bus Routes		39.3%	Hard
	816	Ambiguous Coordinates		43.5%	Medium
	817	Linked List Components		54.1%	Medium
	818	Race Car		34.3%	Hard
	819	Most Common Word		41.9%	Easy
	820	Short Encoding of Words		46.3%	Medium
	821	Shortest Distance to a Character		63.0%	Easy
	822	Card Flipping Game		40.1%	Medium
	823	Binary Trees With Factors		32.0%	Medium
	824	Goat Latin		57.1%	Easy
	825	Friends Of Appropriate Ages		35.6%	Medium
	826	Most Profit Assigning Work		35.1%	Medium
	827	Making A Large Island		42.7%	Hard
	828	Unique Letter String		38.7%	Hard
	829	Consecutive Numbers Sum		32.5%	Hard
	830	Positions of Large Groups		47.6%	Easy
	831	Masking Personal Information		41.8%	Medium
	832	Flipping an Image		71.9%	Easy
	833	Find And Replace in String		45.3%	Medium
	834	Sum of Distances in Tree		38.9%	Hard
	835	Image Overlap		51.2%	Medium
	836	Rectangle Overlap		46.0%	Easy
	837	New 21 Game		30.7%	Medium
	838	Push Dominoes		43.0%	Medium
	839	Similar String Groups		34.2%	Hard
	840	Magic Squares In Grid		35.2%	Easy
	841	Keys and Rooms		59.8%	Medium
✔️	842	Split Array into Fibonacci Sequence	JavaScript	34.5%	Medium
	843	Guess the Word		42.6%	Hard
✔️	844	Backspace String Compare	JavaScript	45.5%	Easy
	845	Longest Mountain in Array		34.0%	Medium
	846	Hand of Straights		48.5%	Medium
	847	Shortest Path Visiting All Nodes		46.0%	Hard
	848	Shifting Letters		40.0%	Medium
	849	Maximize Distance to Closest Person		40.4%	Easy
	850	Rectangle Area II		44.0%	Hard
	851	Loud and Rich		46.9%	Medium
	852	Peak Index in a Mountain Array		69.2%	Easy
	853	Car Fleet		38.9%	Medium
	854	K-Similar Strings		33.0%	Hard
	855	Exam Room		37.5%	Medium
	856	Score of Parentheses		55.4%	Medium
	857	Minimum Cost to Hire K Workers		46.9%	Hard
	858	Mirror Reflection		51.7%	Medium
	859	Buddy Strings		27.5%	Easy
	860	Lemonade Change		50.2%	Easy
	861	Score After Flipping Matrix		68.9%	Medium
	862	Shortest Subarray with Sum at Least K		21.8%	Hard
	863	All Nodes Distance K in Binary Tree		46.0%	Medium
	864	Shortest Path to Get All Keys		35.7%	Hard
	865	Smallest Subtree with all the Deepest Nodes		54.8%	Medium
	866	Prime Palindrome		19.5%	Medium
	867	Transpose Matrix		63.8%	Easy
✔️	868	Binary Gap	JavaScript	59.4%	Easy
	869	Reordered Power of 2		50.3%	Medium
	870	Advantage Shuffle		41.7%	Medium
	871	Minimum Number of Refueling Stops		28.2%	Hard
✔️	872	Leaf-Similar Trees	JavaScript	62.5%	Easy
	873	Length of Longest Fibonacci Subsequence		45.9%	Medium
	874	Walking Robot Simulation		31.2%	Easy
	875	Koko Eating Bananas		45.3%	Medium
✔️	876	Middle of the Linked List	JavaScript	63.5%	Easy
	877	Stone Game		60.8%	Medium
	878	Nth Magical Number		24.8%	Hard
	879	Profitable Schemes		35.8%	Hard
	880	Decoded String at Index		23.0%	Medium
	881	Boats to Save People		43.2%	Medium
	882	Reachable Nodes In Subdivided Graph		37.1%	Hard
	883	Projection Area of 3D Shapes		65.4%	Easy
	884	Uncommon Words from Two Sentences		60.6%	Easy
	885	Spiral Matrix III		63.5%	Medium
	886	Possible Bipartition		40.3%	Medium
	887	Super Egg Drop		24.8%	Hard
	888	Fair Candy Swap		56.3%	Easy
	889	Construct Binary Tree from Preorder and Postorder Traversal		58.7%	Medium
	890	Find and Replace Pattern		70.4%	Medium
	891	Sum of Subsequence Widths		28.2%	Hard
	892	Surface Area of 3D Shapes		55.7%	Easy
	893	Groups of Special-Equivalent Strings		61.9%	Easy
	894	All Possible Full Binary Trees		69.9%	Medium
	895	Maximum Frequency Stack		53.4%	Hard
	896	Monotonic Array		54.8%	Easy
✔️	897	Increasing Order Search Tree	JavaScript	63.5%	Easy
	898	Bitwise ORs of Subarrays		33.2%	Medium
	899	Orderly Queue		46.5%	Hard
	900	RLE Iterator		49.2%	Medium
	901	Online Stock Span		47.6%	Medium
	902	Numbers At Most N Given Digit Set		28.0%	Hard
	903	Valid Permutations for DI Sequence		42.1%	Hard
	904	Fruit Into Baskets		41.0%	Medium
✔️	905	Sort Array By Parity	JavaScript	72.3%	Easy
	906	Super Palindromes		29.9%	Hard
	907	Sum of Subarray Minimums		25.9%	Medium
	908	Smallest Range I		64.5%	Easy
	909	Snakes and Ladders		31.5%	Medium
	910	Smallest Range II		22.9%	Medium
	911	Online Election		45.5%	Medium
	913	Cat and Mouse		27.4%	Hard
	914	X of a Kind in a Deck of Cards		34.5%	Easy
	915	Partition Array into Disjoint Intervals		42.4%	Medium
	916	Word Subsets		44.5%	Medium
✔️	917	Reverse Only Letters	JavaScript	56.0%	Easy
	918	Maximum Sum Circular Subarray		30.7%	Medium
✔️	919	Complete Binary Tree Inserter	JavaScript	54.8%	Medium
	920	Number of Music Playlists		42.9%	Hard
	921	Minimum Add to Make Parentheses Valid		69.7%	Medium
✔️	922	Sort Array By Parity II	JavaScript	66.9%	Easy
	923	3Sum With Multiplicity		32.9%	Medium
	924	Minimize Malware Spread		39.2%	Hard
	925	Long Pressed Name		44.2%	Easy
	926	Flip String to Monotone Increasing		48.7%	Medium
	927	Three Equal Parts		30.4%	Hard
	928	Minimize Malware Spread II		38.5%	Hard
	929	Unique Email Addresses		74.5%	Easy
	930	Binary Subarrays With Sum		37.1%	Medium
	931	Minimum Falling Path Sum		58.1%	Medium
	932	Beautiful Array		52.1%	Medium
	933	Number of Recent Calls		69.2%	Easy
	934	Shortest Bridge		43.8%	Medium
	935	Knight Dialer		39.0%	Medium
	936	Stamping The Sequence		35.7%	Hard
	937	Reorder Log Files		59.4%	Easy
✔️	938	Range Sum of BST	JavaScript	80.5%	Medium
	939	Minimum Area Rectangle		49.9%	Medium
	940	Distinct Subsequences II		38.4%	Hard
	941	Valid Mountain Array		34.8%	Easy
	942	DI String Match		70.2%	Easy
	943	Find the Shortest Superstring		35.8%	Hard
	944	Delete Columns to Make Sorted		69.4%	Easy
	945	Minimum Increment to Make Array Unique		42.2%	Medium
	946	Validate Stack Sequences		57.6%	Medium
	947	Most Stones Removed with Same Row or Column		53.9%	Medium
	948	Bag of Tokens		39.0%	Medium
	949	Largest Time for Given Digits		33.4%	Easy
	950	Reveal Cards In Increasing Order		71.5%	Medium
	951	Flip Equivalent Binary Trees		65.1%	Medium
	952	Largest Component Size by Common Factor		25.5%	Hard
	953	Verifying an Alien Dictionary		55.9%	Easy
	954	Array of Doubled Pairs		34.2%	Medium
	955	Delete Columns to Make Sorted II		30.9%	Medium
	956	Tallest Billboard		37.1%	Hard
	957	Prison Cells After N Days		37.7%	Medium
	958	Check Completeness of a Binary Tree		46.7%	Medium
	959	Regions Cut By Slashes		61.9%	Medium
	960	Delete Columns to Make Sorted III		51.8%	Hard
	961	N-Repeated Element in Size 2N Array		73.1%	Easy
	962	Maximum Width Ramp		40.9%	Medium
	963	Minimum Area Rectangle II		42.9%	Medium
	964	Least Operators to Express Number		40.5%	Hard
	965	Univalued Binary Tree		67.3%	Easy
	966	Vowel Spellchecker		40.4%	Medium
	967	Numbers With Same Consecutive Differences		36.2%	Medium
	968	Binary Tree Cameras		34.3%	Hard
	969	Pancake Sorting		61.7%	Medium
	970	Powerful Integers		39.7%	Easy
	971	Flip Binary Tree To Match Preorder Traversal		42.3%	Medium
	972	Equal Rational Numbers		40.1%	Hard
	973	K Closest Points to Origin		64.4%	Medium
	974	Subarray Sums Divisible by K		43.0%	Medium
	975	Odd Even Jump		49.8%	Hard
	976	Largest Perimeter Triangle		57.0%	Easy
✔️	977	Squares of a Sorted Array	JavaScript	72.6%	Easy
	978	Longest Turbulent Subarray		45.6%	Medium
	979	Distribute Coins in Binary Tree		65.9%	Medium
	980	Unique Paths III		72.1%	Hard
	981	Time Based Key-Value Store		49.7%	Medium
	982	Triples with Bitwise AND Equal To Zero		53.1%	Hard
	983	Minimum Cost For Tickets		57.5%	Medium
	984	String Without AAA or BBB		32.5%	Medium
	985	Sum of Even Numbers After Queries		66.3%	Easy
	986	Interval List Intersections		62.4%	Medium
	987	Vertical Order Traversal of a Binary Tree		32.9%	Medium
	988	Smallest String Starting From Leaf		49.5%	Medium
	989	Add to Array-Form of Integer		44.9%	Easy
	990	Satisfiability of Equality Equations		39.1%	Medium
	991	Broken Calculator		39.0%	Medium
	992	Subarrays with K Different Integers		45.9%	Hard
	993	Cousins in Binary Tree		52.7%	Easy
	994	Rotting Oranges		46.3%	Easy
	995	Minimum Number of K Consecutive Bit Flips		50.3%	Hard
	996	Number of Squareful Arrays		47.7%	Hard
	997	Find the Town Judge		48.3%	Easy
	998	Maximum Binary Tree II		62.7%	Medium
	999	Available Captures for Rook		68.1%	Easy
	1000	Minimum Cost to Merge Stones		26.9%	Hard
	1001	Grid Illumination		34.0%	Hard
	1002	Find Common Characters		67.3%	Easy
	1003	Check If Word Is Valid After Substitutions		52.0%	Medium
	1004	Max Consecutive Ones III		51.8%	Medium
	1005	Maximize Sum Of Array After K Negations		49.3%	Easy
	1006	Clumsy Factorial		55.0%	Medium
	1007	Minimum Domino Rotations For Equal Row		45.9%	Medium
	1008	Construct Binary Search Tree from Preorder Traversal		72.9%	Medium
	1012	Complement of Base 10 Integer		58.1%	Easy
	1013	Pairs of Songs With Total Durations Divisible by 60		43.6%	Easy
	1014	Capacity To Ship Packages Within D Days		50.7%	Medium
	1015	Numbers With Repeated Digits		34.0%	Hard
	1020	Partition Array Into Three Parts With Equal Sum		53.1%	Easy
	1021	Best Sightseeing Pair		44.7%	Medium
	1022	Smallest Integer Divisible by K		25.3%	Medium
	1023	Binary String With Substrings Representing 1 To N		65.2%	Medium