Leetcode Solutions

#	Title	Acceptance	Difficulty	Status
0001	Two Sum	46.50%	Easy	x
0002	Add Two Numbers	35.50%	Medium	x
0003	Longest Substring Without Repeating Characters	31.50%	Medium	x
0004	Median of Two Sorted Arrays	31.20%	Hard	x
0005	Longest Palindromic Substring	30.50%	Medium	x
0006	ZigZag Conversion	38.00%	Medium	x
0007	Reverse Integer	25.90%	Easy	x
0008	String to Integer (atoi)	15.70%	Medium	x
0009	Palindrome Number	49.80%	Easy	x
0010	Regular Expression Matching	27.40%	Hard	x
0011	Container With Most Water	52.80%	Medium	x
0012	Integer to Roman	57.00%	Medium	x
0013	Roman to Integer	56.90%	Easy	x
0014	Longest Common Prefix	36.10%	Easy	x
0015	3Sum	28.10%	Medium	x
0016	3Sum Closest	46.30%	Medium	x
0017	Letter Combinations of a Phone Number	49.30%	Medium	x
0018	4Sum	34.90%	Medium	x
0019	Remove Nth Node From End of List	35.80%	Medium	x
0020	Valid Parentheses	39.90%	Easy	x
0021	Merge Two Sorted Lists	56.20%	Easy	x
0022	Generate Parentheses	65.40%	Medium	x
0023	Merge k Sorted Lists	42.80%	Hard	x
0024	Swap Nodes in Pairs	53.20%	Medium	x
0025	Reverse Nodes in k-Group	45.00%	Hard
0026	Remove Duplicates from Sorted Array	46.60%	Easy	x
0027	Remove Element	49.30%	Easy	x
0028	Implement strStr()	35.30%	Easy	x
0029	Divide Two Integers	16.90%	Medium	x
0030	Substring with Concatenation of All Words	26.20%	Hard
0031	Next Permutation	33.80%	Medium	x
0032	Longest Valid Parentheses	29.30%	Hard
0033	Search in Rotated Sorted Array	36.00%	Medium	x
0034	Find First and Last Position of Element in Sorted Array	37.30%	Medium	x
0035	Search Insert Position	42.80%	Easy	x
0036	Valid Sudoku	50.70%	Medium	x
0037	Sudoku Solver	46.70%	Hard
0038	Count and Say	46.10%	Medium	x
0039	Combination Sum	59.40%	Medium	x
0040	Combination Sum II	50.20%	Medium
0041	First Missing Positive	33.80%	Hard	x
0042	Trapping Rain Water	51.30%	Hard	x
0043	Multiply Strings	35.00%	Medium
0044	Wildcard Matching	25.40%	Hard
0045	Jump Game II	31.40%	Medium	x
0046	Permutations	66.70%	Medium	x
0047	Permutations II	49.50%	Medium	x
0048	Rotate Image	60.10%	Medium	x
0049	Group Anagrams	59.40%	Medium	x
0050	Pow(x, n)	31.00%	Medium	x
0051	N-Queens	49.80%	Hard	x
0052	N-Queens II	60.30%	Hard	x
0053	Maximum Subarray	47.80%	Easy	x
0054	Spiral Matrix	36.20%	Medium	x
0055	Jump Game	35.20%	Medium	x
0056	Merge Intervals	41.10%	Medium	x
0057	Insert Interval	35.20%	Medium	x
0058	Length of Last Word	33.50%	Easy	x
0059	Spiral Matrix II	57.90%	Medium	x
0060	Permutation Sequence	39.40%	Hard	x
0061	Rotate List	31.80%	Medium	x
0062	Unique Paths	56.10%	Medium	x
0063	Unique Paths II	35.30%	Medium
0064	Minimum Path Sum	56.30%	Medium	x
0065	Valid Number	15.90%	Hard
0066	Plus One	42.30%	Easy	x
0067	Add Binary	47.00%	Easy	x
0068	Text Justification	29.80%	Hard	x
0069	Sqrt(x)	35.10%	Easy	x
0070	Climbing Stairs	48.70%	Easy	x
0071	Simplify Path	34.70%	Medium	x
0072	Edit Distance	46.90%	Hard	x
0073	Set Matrix Zeroes	44.40%	Medium
0074	Search a 2D Matrix	37.90%	Medium	x
0075	Sort Colors	49.50%	Medium	x
0076	Minimum Window Substring	36.00%	Hard	x
0077	Combinations	57.60%	Medium
0078	Subsets	65.30%	Medium	x
0079	Word Search	36.90%	Medium	x
0080	Remove Duplicates from Sorted Array II	46.20%	Medium	x
0081	Search in Rotated Sorted Array II	33.60%	Medium	x
0082	Remove Duplicates from Sorted List II	39.30%	Medium
0083	Remove Duplicates from Sorted List	46.60%	Easy	x
0084	Largest Rectangle in Histogram	37.20%	Hard
0085	Maximal Rectangle	39.50%	Hard	x
0086	Partition List	43.50%	Medium
0087	Scramble String	34.70%	Hard
0088	Merge Sorted Array	40.80%	Easy	x
0089	Gray Code	50.50%	Medium
0090	Subsets II	48.90%	Medium
0091	Decode Ways	26.70%	Medium	x
0092	Reverse Linked List II	40.70%	Medium	x
0093	Restore IP Addresses	37.70%	Medium
0094	Binary Tree Inorder Traversal	66.00%	Medium
0095	Unique Binary Search Trees II	42.70%	Medium
0096	Unique Binary Search Trees	54.50%	Medium	x
0097	Interleaving String	32.60%	Hard
0098	Validate Binary Search Tree	28.80%	Medium	x
0099	Recover Binary Search Tree	42.50%	Hard	x
0100	Same Tree	54.20%	Easy	x
0101	Symmetric Tree	48.20%	Easy	x
0102	Binary Tree Level Order Traversal	56.70%	Medium
0103	Binary Tree Zigzag Level Order Traversal	50.20%	Medium	x
0104	Maximum Depth of Binary Tree	68.10%	Easy	x
0105	Construct Binary Tree from Preorder and Inorder Traversal	52.00%	Medium	x
0106	Construct Binary Tree from Inorder and Postorder Traversal	49.80%	Medium	x
0107	Binary Tree Level Order Traversal II	55.30%	Medium	x
0108	Convert Sorted Array to Binary Search Tree	60.60%	Easy	x
0109	Convert Sorted List to Binary Search Tree	50.30%	Medium
0110	Balanced Binary Tree	44.70%	Easy	x
0111	Minimum Depth of Binary Tree	39.60%	Easy	x
0112	Path Sum	42.50%	Easy	x
0113	Path Sum II	49.20%	Medium
0114	Flatten Binary Tree to Linked List	52.10%	Medium
0115	Distinct Subsequences	39.80%	Hard
0116	Populating Next Right Pointers in Each Node	49.30%	Medium	x
0117	Populating Next Right Pointers in Each Node II	42.20%	Medium	x
0118	Pascal's Triangle	55.00%	Easy	x
0119	Pascal's Triangle II	52.30%	Easy	x
0120	Triangle	45.90%	Medium
0121	Best Time to Buy and Sell Stock	51.70%	Easy	x
0122	Best Time to Buy and Sell Stock II	58.60%	Easy	x
0123	Best Time to Buy and Sell Stock III	40.00%	Hard	x
0124	Binary Tree Maximum Path Sum	35.50%	Hard
0125	Valid Palindrome	38.30%	Easy	x
0126	Word Ladder II	23.80%	Hard
0127	Word Ladder	31.90%	Hard	x
0128	Longest Consecutive Sequence	46.30%	Hard	x
0129	Sum Root to Leaf Numbers	51.00%	Medium	x
0130	Surrounded Regions	29.50%	Medium	x
0131	Palindrome Partitioning	52.20%	Medium	x
0132	Palindrome Partitioning II	31.30%	Hard
0133	Clone Graph	39.40%	Medium	x
0134	Gas Station	41.30%	Medium	x
0135	Candy	33.10%	Hard
0136	Single Number	66.60%	Easy	x
0137	Single Number II	53.90%	Medium	x
0138	Copy List with Random Pointer	41.00%	Medium	x
0139	Word Break	41.80%	Medium	x
0140	Word Break II	34.90%	Hard	x
0141	Linked List Cycle	43.00%	Easy	x
0142	Linked List Cycle II	39.80%	Medium	x
0143	Reorder List	40.70%	Medium	x
0144	Binary Tree Preorder Traversal	57.60%	Medium
0145	Binary Tree Postorder Traversal	57.70%	Medium
0146	LRU Cache	35.90%	Medium	x
0147	Insertion Sort List	44.50%	Medium	x
0148	Sort List	46.40%	Medium	x
0149	Max Points on a Line	17.50%	Hard
0150	Evaluate Reverse Polish Notation	38.00%	Medium
0151	Reverse Words in a String	23.80%	Medium	x
0152	Maximum Product Subarray	32.80%	Medium	x
0153	Find Minimum in Rotated Sorted Array	46.20%	Medium
0154	Find Minimum in Rotated Sorted Array II	42.00%	Hard	x
0155	Min Stack	46.50%	Easy	x
0156	Binary Tree Upside Down	56.50%	Medium
0157	Read N Characters Given Read4	37.40%	Easy	x
0158	Read N Characters Given Read4 II - Call multiple times	37.00%	Hard	x
0159	Longest Substring with At Most Two Distinct Characters	50.50%	Medium	x
0160	Intersection of Two Linked Lists	44.10%	Easy	x
0161	One Edit Distance	33.10%	Medium	x
0162	Find Peak Element	44.00%	Medium
0163	Missing Ranges	27.10%	Easy	x
0164	Maximum Gap	36.90%	Hard
0165	Compare Version Numbers	30.50%	Medium	x
0166	Fraction to Recurring Decimal	22.30%	Medium
0167	Two Sum II - Input array is sorted	55.70%	Easy	x
0168	Excel Sheet Column Title	31.80%	Easy	x
0169	Majority Element	60.10%	Easy	x
0170	Two Sum III - Data structure design	34.90%	Easy	x
0171	Excel Sheet Column Number	57.00%	Easy	x
0172	Factorial Trailing Zeroes	38.60%	Easy	x
0173	Binary Search Tree Iterator	60.30%	Medium	x
0174	Dungeon Game	33.30%	Hard	x
0175	Combine Two Tables	64.30%	Easy	x
0176	Second Highest Salary	33.30%	Easy	x
0177	Nth Highest Salary	33.40%	Medium	x
0178	Rank Scores	50.40%	Medium	x
0179	Largest Number	30.70%	Medium	x
0180	Consecutive Numbers	42.30%	Medium	x
0181	Employees Earning More Than Their Managers	60.60%	Easy	x
0182	Duplicate Emails	64.70%	Easy	x
0183	Customers Who Never Order	57.00%	Easy	x
0184	Department Highest Salary	40.30%	Medium	x
0185	Department Top Three Salaries	39.20%	Hard	x
0186	Reverse Words in a String II	45.70%	Medium
0187	Repeated DNA Sequences	41.50%	Medium	x
0188	Best Time to Buy and Sell Stock IV	29.80%	Hard	x
0189	Rotate Array	36.70%	Medium	x
0190	Reverse Bits	42.30%	Easy	x
0191	Number of 1 Bits	53.90%	Easy	x
0192	Word Frequency	25.60%	Medium	x
0193	Valid Phone Numbers	25.40%	Easy	x
0194	Transpose File	24.40%	Medium	x
0195	Tenth Line	32.80%	Easy	x
0196	Delete Duplicate Emails	45.40%	Easy	x
0197	Rising Temperature	40.00%	Easy	x
0198	House Robber	42.90%	Medium	x
0199	Binary Tree Right Side View	56.40%	Medium	x
0200	Number of Islands	49.20%	Medium	x
0201	Bitwise AND of Numbers Range	39.60%	Medium
0202	Happy Number	51.30%	Easy	x
0203	Remove Linked List Elements	39.20%	Easy	x
0204	Count Primes	32.30%	Easy	x
0205	Isomorphic Strings	40.50%	Easy	x
0206	Reverse Linked List	65.40%	Easy	x
0207	Course Schedule	44.30%	Medium	x
0208	Implement Trie (Prefix Tree)	52.20%	Medium
0209	Minimum Size Subarray Sum	39.60%	Medium	x
0210	Course Schedule II	42.70%	Medium	x
0211	Design Add and Search Words Data Structure	40.30%	Medium	x
0212	Word Search II	37.20%	Hard
0213	House Robber II	37.60%	Medium	x
0214	Shortest Palindrome	30.70%	Hard
0215	Kth Largest Element in an Array	58.60%	Medium	x
0216	Combination Sum III	60.40%	Medium	x
0217	Contains Duplicate	56.70%	Easy	x
0218	The Skyline Problem	36.40%	Hard	x
0219	Contains Duplicate II	38.70%	Easy	x
0220	Contains Duplicate III	21.30%	Medium	x
0221	Maximal Square	39.30%	Medium	x
0222	Count Complete Tree Nodes	49.40%	Medium	x
0223	Rectangle Area	38.30%	Medium
0224	Basic Calculator	38.20%	Hard	x
0225	Implement Stack using Queues	47.60%	Easy	x
0226	Invert Binary Tree	67.10%	Easy	x
0227	Basic Calculator II	38.60%	Medium	x
0228	Summary Ranges	42.50%	Easy	x
0229	Majority Element II	38.80%	Medium	x
0230	Kth Smallest Element in a BST	62.70%	Medium
0231	Power of Two	43.80%	Easy	x
0232	Implement Queue using Stacks	52.40%	Easy	x
0233	Number of Digit One	31.80%	Hard
0234	Palindrome Linked List	40.60%	Easy	x
0235	Lowest Common Ancestor of a Binary Search Tree	51.90%	Easy	x
0236	Lowest Common Ancestor of a Binary Tree	48.90%	Medium	x
0237	Delete Node in a Linked List	67.10%	Easy	x
0238	Product of Array Except Self	61.50%	Medium	x
0239	Sliding Window Maximum	44.70%	Hard	x
0240	Search a 2D Matrix II	45.20%	Medium	x
0241	Different Ways to Add Parentheses	57.40%	Medium
0242	Valid Anagram	58.70%	Easy	x
0243	Shortest Word Distance	62.00%	Easy	x
0244	Shortest Word Distance II	54.20%	Medium	x
0245	Shortest Word Distance III	56.00%	Medium
0246	Strobogrammatic Number	46.30%	Easy	x
0247	Strobogrammatic Number II	48.60%	Medium	x
0248	Strobogrammatic Number III	40.30%	Hard	x
0249	Group Shifted Strings	58.20%	Medium	x
0250	Count Univalue Subtrees	53.40%	Medium
0251	Flatten 2D Vector	46.40%	Medium	x
0252	Meeting Rooms	55.40%	Easy	x
0253	Meeting Rooms II	46.90%	Medium	x
0254	Factor Combinations	47.40%	Medium
0255	Verify Preorder Sequence in Binary Search Tree	46.20%	Medium
0256	Paint House	53.70%	Medium	x
0257	Binary Tree Paths	53.70%	Easy	x
0258	Add Digits	58.50%	Easy	x
0259	3Sum Smaller	49.00%	Medium	x
0260	Single Number III	65.40%	Medium	x
0261	Graph Valid Tree	43.30%	Medium
0262	Trips and Users	35.10%	Hard	x
0263	Ugly Number	41.70%	Easy	x
0264	Ugly Number II	42.90%	Medium	x
0265	Paint House II	45.70%	Hard
0266	Palindrome Permutation	62.50%	Easy	x
0267	Palindrome Permutation II	37.40%	Medium
0268	Missing Number	54.90%	Easy	x
0269	Alien Dictionary	33.70%	Hard	x
0270	Closest Binary Search Tree Value	50.00%	Easy	x
0271	Encode and Decode Strings	32.80%	Medium
0272	Closest Binary Search Tree Value II	52.40%	Hard
0273	Integer to English Words	28.20%	Hard	x
0274	H-Index	36.40%	Medium	x
0275	H-Index II	36.30%	Medium	x
0276	Paint Fence	39.10%	Medium	x
0277	Find the Celebrity	43.80%	Medium	x
0278	First Bad Version	37.60%	Easy	x
0279	Perfect Squares	49.00%	Medium	x
0280	Wiggle Sort	64.70%	Medium
0281	Zigzag Iterator	59.50%	Medium
0282	Expression Add Operators	36.80%	Hard
0283	Move Zeroes	58.60%	Easy	x
0284	Peeking Iterator	50.70%	Medium	x
0285	Inorder Successor in BST	43.00%	Medium	x
0286	Walls and Gates	56.60%	Medium	x
0287	Find the Duplicate Number	57.60%	Medium	x
0288	Unique Word Abbreviation	23.10%	Medium
0289	Game of Life	58.40%	Medium	x
0290	Word Pattern	38.40%	Easy	x
0291	Word Pattern II	44.30%	Medium
0292	Nim Game	55.10%	Easy	x
0293	Flip Game	61.40%	Easy	x
0294	Flip Game II	50.70%	Medium
0295	Find Median from Data Stream	47.10%	Hard	x
0296	Best Meeting Point	58.10%	Hard
0297	Serialize and Deserialize Binary Tree	49.90%	Hard	x
0298	Binary Tree Longest Consecutive Sequence	48.00%	Medium
0299	Bulls and Cows	44.50%	Medium	x
0300	Longest Increasing Subsequence	44.20%	Medium	x
0301	Remove Invalid Parentheses	44.70%	Hard
0302	Smallest Rectangle Enclosing Black Pixels	52.50%	Hard
0303	Range Sum Query - Immutable	47.80%	Easy	x
0304	Range Sum Query 2D - Immutable	40.60%	Medium
0305	Number of Islands II	39.60%	Hard
0306	Additive Number	29.70%	Medium
0307	Range Sum Query - Mutable	36.80%	Medium
0308	Range Sum Query 2D - Mutable	37.80%	Hard	x
0309	Best Time to Buy and Sell Stock with Cooldown	48.20%	Medium	x
0310	Minimum Height Trees	34.70%	Medium	x
0311	Sparse Matrix Multiplication	64.00%	Medium	x
0312	Burst Balloons	53.80%	Hard	x
0313	Super Ugly Number	46.20%	Medium
0314	Binary Tree Vertical Order Traversal	47.10%	Medium	x
0315	Count of Smaller Numbers After Self	42.50%	Hard
0316	Remove Duplicate Letters	39.20%	Medium	x
0317	Shortest Distance from All Buildings	42.80%	Hard
0318	Maximum Product of Word Lengths	52.30%	Medium
0319	Bulb Switcher	45.40%	Medium
0320	Generalized Abbreviation	53.80%	Medium	x
0321	Create Maximum Number	27.60%	Hard
0322	Coin Change	37.40%	Medium	x
0323	Number of Connected Components in an Undirected Graph	57.90%	Medium	x
0324	Wiggle Sort II	30.70%	Medium
0325	Maximum Size Subarray Sum Equals k	47.40%	Medium
0326	Power of Three	42.10%	Easy	x
0327	Count of Range Sum	36.10%	Hard
0328	Odd Even Linked List	57.10%	Medium
0329	Longest Increasing Path in a Matrix	45.00%	Hard
0330	Patching Array	35.00%	Hard
0331	Verify Preorder Serialization of a Binary Tree	41.00%	Medium
0332	Reconstruct Itinerary	37.90%	Medium	x
0333	Largest BST Subtree	38.00%	Medium
0334	Increasing Triplet Subsequence	40.80%	Medium
0335	Self Crossing	28.70%	Hard
0336	Palindrome Pairs	34.70%	Hard
0337	House Robber III	51.90%	Medium	x
0338	Counting Bits	70.40%	Medium	x
0339	Nested List Weight Sum	76.60%	Medium	x
0340	Longest Substring with At Most K Distinct Characters	45.60%	Medium	x
0341	Flatten Nested List Iterator	54.60%	Medium	x
0342	Power of Four	41.80%	Easy	x
0343	Integer Break	51.20%	Medium
0344	Reverse String	70.40%	Easy	x
0345	Reverse Vowels of a String	45.10%	Easy	x
0346	Moving Average from Data Stream	73.40%	Easy	x
0347	Top K Frequent Elements	62.50%	Medium	x
0348	Design Tic-Tac-Toe	55.60%	Medium	x
0349	Intersection of Two Arrays	64.90%	Easy	x
0350	Intersection of Two Arrays II	52.00%	Easy	x
0351	Android Unlock Patterns	49.70%	Medium	x
0352	Data Stream as Disjoint Intervals	48.70%	Hard
0353	Design Snake Game	35.90%	Medium	x
0354	Russian Doll Envelopes	36.40%	Hard
0355	Design Twitter	31.50%	Medium
0356	Line Reflection	33.00%	Medium	x
0357	Count Numbers with Unique Digits	48.90%	Medium
0358	Rearrange String k Distance Apart	35.70%	Hard
0359	Logger Rate Limiter	72.30%	Easy	x
0360	Sort Transformed Array	49.70%	Medium
0361	Bomb Enemy	46.70%	Medium
0362	Design Hit Counter	65.30%	Medium	x
0363	Max Sum of Rectangle No Larger Than K	38.40%	Hard
0364	Nested List Weight Sum II	63.70%	Medium	x
0365	Water and Jug Problem	31.10%	Medium
0366	Find Leaves of Binary Tree	71.90%	Medium
0367	Valid Perfect Square	42.00%	Easy	x
0368	Largest Divisible Subset	38.30%	Medium	x
0369	Plus One Linked List	59.50%	Medium
0370	Range Addition	63.60%	Medium
0371	Sum of Two Integers	50.60%	Medium	x
0372	Super Pow	36.80%	Medium
0373	Find K Pairs with Smallest Sums	37.80%	Medium
0374	Guess Number Higher or Lower	44.70%	Easy	x
0375	Guess Number Higher or Lower II	42.20%	Medium
0376	Wiggle Subsequence	40.30%	Medium
0377	Combination Sum IV	46.10%	Medium
0378	Kth Smallest Element in a Sorted Matrix	56.20%	Medium
0379	Design Phone Directory	48.30%	Medium
0380	Insert Delete GetRandom O(1)	48.90%	Medium	x
0381	Insert Delete GetRandom O(1) - Duplicates allowed	34.90%	Hard
0382	Linked List Random Node	54.20%	Medium	x
0383	Ransom Note	53.30%	Easy	x
0384	Shuffle an Array	54.00%	Medium
0385	Mini Parser	34.50%	Medium
0386	Lexicographical Numbers	54.30%	Medium
0387	First Unique Character in a String	53.80%	Easy	x
0388	Longest Absolute File Path	42.90%	Medium	x
0389	Find the Difference	57.80%	Easy	x
0390	Elimination Game	45.00%	Medium
0391	Perfect Rectangle	31.10%	Hard
0392	Is Subsequence	49.50%	Easy	x
0393	UTF-8 Validation	38.10%	Medium	x
0394	Decode String	52.80%	Medium	x
0395	Longest Substring with At Least K Repeating Characters	43.60%	Medium	x
0396	Rotate Function	36.80%	Medium
0397	Integer Replacement	33.50%	Medium
0398	Random Pick Index	58.00%	Medium
0399	Evaluate Division	54.40%	Medium	x
0400	Nth Digit	32.40%	Medium
0401	Binary Watch	48.50%	Easy	x
0402	Remove K Digits	28.70%	Medium
0403	Frog Jump	41.50%	Hard
0404	Sum of Left Leaves	52.30%	Easy	x
0405	Convert a Number to Hexadecimal	44.50%	Easy	x
0406	Queue Reconstruction by Height	68.50%	Medium	x
0407	Trapping Rain Water II	44.30%	Hard
0408	Valid Word Abbreviation	31.40%	Easy	x
0409	Longest Palindrome	52.20%	Easy	x
0410	Split Array Largest Sum	46.40%	Hard	x
0411	Minimum Unique Word Abbreviation	37.30%	Hard
0412	Fizz Buzz	63.50%	Easy	x
0413	Arithmetic Slices	59.90%	Medium	x
0414	Third Maximum Number	30.70%	Easy	x
0415	Add Strings	48.20%	Easy	x
0416	Partition Equal Subset Sum	44.90%	Medium	x
0417	Pacific Atlantic Water Flow	42.60%	Medium	x
0418	Sentence Screen Fitting	33.30%	Medium
0419	Battleships in a Board	71.10%	Medium
0420	Strong Password Checker	14.00%	Hard	x
0421	Maximum XOR of Two Numbers in an Array	54.20%	Medium	x
0422	Valid Word Square	38.20%	Easy	x
0423	Reconstruct Original Digits from English	47.50%	Medium
0424	Longest Repeating Character Replacement	48.20%	Medium
0425	Word Squares	50.10%	Hard	x
0426	Convert Binary Search Tree to Sorted Doubly Linked List	61.30%	Medium	x
0427	Construct Quad Tree	62.70%	Medium
0428	Serialize and Deserialize N-ary Tree	61.60%	Hard
0429	N-ary Tree Level Order Traversal	66.80%	Medium
0430	Flatten a Multilevel Doubly Linked List	56.90%	Medium	x
0431	Encode N-ary Tree to Binary Tree	74.60%	Hard	x
0432	All O`one Data Structure	33.20%	Hard
0433	Minimum Genetic Mutation	43.40%	Medium
0434	Number of Segments in a String	37.80%	Easy	x
0435	Non-overlapping Intervals	43.90%	Medium	x
0436	Find Right Interval	48.50%	Medium	x
0437	Path Sum III	48.20%	Medium	x
0438	Find All Anagrams in a String	45.00%	Medium
0439	Ternary Expression Parser	56.80%	Medium
0440	K-th Smallest in Lexicographical Order	29.80%	Hard
0441	Arranging Coins	42.40%	Easy	x
0442	Find All Duplicates in an Array	69.00%	Medium	x
0443	String Compression	43.70%	Medium	x
0444	Sequence Reconstruction	23.60%	Medium
0445	Add Two Numbers II	56.40%	Medium	x
0446	Arithmetic Slices II - Subsequence	33.50%	Hard
0447	Number of Boomerangs	52.50%	Medium	x
0448	Find All Numbers Disappeared in an Array	56.10%	Easy	x
0449	Serialize and Deserialize BST	54.10%	Medium	x
0450	Delete Node in a BST	45.40%	Medium	x
0451	Sort Characters By Frequency	64.50%	Medium
0452	Minimum Number of Arrows to Burst Balloons	49.80%	Medium	x
0453	Minimum Moves to Equal Array Elements	50.80%	Easy	x
0454	4Sum II	54.60%	Medium
0455	Assign Cookies	50.40%	Easy	x
0456	132 Pattern	30.60%	Medium	x
0457	Circular Array Loop	30.20%	Medium
0458	Poor Pigs	54.50%	Hard	x
0459	Repeated Substring Pattern	43.30%	Easy	x
0460	LFU Cache	36.20%	Hard
0461	Hamming Distance	73.20%	Easy	x
0462	Minimum Moves to Equal Array Elements II	54.40%	Medium
0463	Island Perimeter	66.70%	Easy	x
0464	Can I Win	29.70%	Medium
0465	Optimal Account Balancing	48.30%	Hard	x
0466	Count The Repetitions	28.60%	Hard
0467	Unique Substrings in Wraparound String	36.10%	Medium
0468	Validate IP Address	25.00%	Medium	x
0469	Convex Polygon	37.50%	Medium
0470	Implement Rand10() Using Rand7()	46.10%	Medium	x
0471	Encode String with Shortest Length	49.20%	Hard	x
0472	Concatenated Words	44.00%	Hard
0473	Matchsticks to Square	38.30%	Medium
0474	Ones and Zeroes	43.70%	Medium
0475	Heaters	33.70%	Medium	x
0476	Number Complement	65.20%	Easy	x
0477	Total Hamming Distance	50.60%	Medium
0478	Generate Random Point in a Circle	38.90%	Medium
0479	Largest Palindrome Product	29.60%	Hard
0480	Sliding Window Median	38.80%	Hard
0481	Magical String	48.10%	Medium
0482	License Key Formatting	43.10%	Easy	x
0483	Smallest Good Base	36.40%	Hard
0484	Find Permutation	64.20%	Medium	x
0485	Max Consecutive Ones	52.80%	Easy	x
0486	Predict the Winner	48.90%	Medium
0487	Max Consecutive Ones II	48.00%	Medium	x
0488	Zuma Game	38.20%	Hard
0489	Robot Room Cleaner	72.60%	Hard	x
0490	The Maze	52.80%	Medium	x
0491	Increasing Subsequences	47.50%	Medium
0492	Construct the Rectangle	50.40%	Easy	x
0493	Reverse Pairs	26.90%	Hard
0494	Target Sum	45.70%	Medium
0495	Teemo Attacking	56.10%	Medium	x
0496	Next Greater Element I	65.70%	Easy	x
0497	Random Point in Non-overlapping Rectangles	39.10%	Medium	x
0498	Diagonal Traverse	50.30%	Medium
0499	The Maze III	42.50%	Hard
0500	Keyboard Row	65.70%	Easy	x
0501	Find Mode in Binary Search Tree	43.50%	Easy	x
0502	IPO	41.60%	Hard
0503	Next Greater Element II	58.50%	Medium
0504	Base 7	46.40%	Easy	x
0505	The Maze II	48.60%	Medium
0506	Relative Ranks	51.30%	Easy	x
0507	Perfect Number	36.20%	Easy	x
0508	Most Frequent Subtree Sum	59.10%	Medium
0509	Fibonacci Number	67.40%	Easy	x
0510	Inorder Successor in BST II	60.10%	Medium	x
0511	Game Play Analysis I	81.40%	Easy	x
0512	Game Play Analysis II	56.10%	Easy	x
0513	Find Bottom Left Tree Value	62.70%	Medium
0514	Freedom Trail	45.00%	Hard
0515	Find Largest Value in Each Tree Row	62.30%	Medium
0516	Longest Palindromic Subsequence	55.50%	Medium
0517	Super Washing Machines	38.60%	Hard
0518	Coin Change 2	51.80%	Medium	x
0519	Random Flip Matrix	37.80%	Medium
0520	Detect Capital	53.90%	Easy	x
0521	Longest Uncommon Subsequence I	58.70%	Easy	x
0522	Longest Uncommon Subsequence II	34.20%	Medium
0523	Continuous Subarray Sum	24.70%	Medium
0524	Longest Word in Dictionary through Deleting	50.10%	Medium	x
0525	Contiguous Array	43.50%	Medium
0526	Beautiful Arrangement	61.90%	Medium	x
0527	Word Abbreviation	56.30%	Hard
0528	Random Pick with Weight	44.70%	Medium	x
0529	Minesweeper	61.20%	Medium
0530	Minimum Absolute Difference in BST	54.90%	Easy	x
0531	Lonely Pixel I	59.60%	Medium
0532	K-diff Pairs in an Array	35.30%	Medium	x
0533	Lonely Pixel II	48.20%	Medium
0534	Game Play Analysis III	79.50%	Medium	x
0535	Encode and Decode TinyURL	81.00%	Medium
0536	Construct Binary Tree from String	50.80%	Medium
0537	Complex Number Multiplication	68.30%	Medium
0538	Convert BST to Greater Tree	59.50%	Medium	x
0539	Minimum Time Difference	52.40%	Medium
0540	Single Element in a Sorted Array	57.90%	Medium	x
0541	Reverse String II	49.20%	Easy	x
0542	01 Matrix	41.00%	Medium
0543	Diameter of Binary Tree	49.20%	Easy	x
0544	Output Contest Matches	75.90%	Medium
0545	Boundary of Binary Tree	40.00%	Medium	x
0546	Remove Boxes	44.10%	Hard
0547	Number of Provinces	60.50%	Medium	x
0548	Split Array with Equal Sum	48.10%	Medium
0549	Binary Tree Longest Consecutive Sequence II	47.30%	Medium
0550	Game Play Analysis IV	45.60%	Medium	x
0551	Student Attendance Record I	46.00%	Easy	x
0552	Student Attendance Record II	37.50%	Hard
0553	Optimal Division	57.50%	Medium
0554	Brick Wall	50.70%	Medium
0555	Split Concatenated Strings	42.80%	Medium
0556	Next Greater Element III	33.50%	Medium
0557	Reverse Words in a String III	72.10%	Easy	x
0558	Logical OR of Two Binary Grids Represented as Quad-Trees	45.60%	Medium
0559	Maximum Depth of N-ary Tree	69.60%	Easy	x
0560	Subarray Sum Equals K	43.70%	Medium	x
0561	Array Partition I	73.30%	Easy	x
0562	Longest Line of Consecutive One in Matrix	46.20%	Medium
0563	Binary Tree Tilt	53.00%	Easy	x
0564	Find the Closest Palindrome	20.30%	Hard
0565	Array Nesting	56.00%	Medium
0566	Reshape the Matrix	61.10%	Easy	x
0567	Permutation in String	44.60%	Medium
0568	Maximum Vacation Days	41.60%	Hard
0569	Median Employee Salary	61.90%	Hard	x
0570	Managers with at Least 5 Direct Reports	66.80%	Medium	x
0571	Find Median Given Frequency of Numbers	45.50%	Hard	x
0572	Subtree of Another Tree	44.50%	Easy	x
0573	Squirrel Simulation	54.10%	Medium	x
0574	Winning Candidate	52.20%	Medium	x
0575	Distribute Candies	64.60%	Easy	x
0576	Out of Boundary Paths	36.00%	Medium
0577	Employee Bonus	71.60%	Easy	x
0578	Get Highest Answer Rate Question	41.80%	Medium	x
0579	Find Cumulative Salary of an Employee	38.50%	Hard	x
0580	Count Student Number in Departments	51.90%	Medium	x
0581	Shortest Unsorted Continuous Subarray	32.80%	Medium	x
0582	Kill Process	63.80%	Medium	x
0583	Delete Operation for Two Strings	50.10%	Medium
0584	Find Customer Referee	74.10%	Easy	x
0585	Investments in 2016	57.10%	Medium	x
0586	Customer Placing the Largest Number of Orders	75.30%	Easy	x
0587	Erect the Fence	36.50%	Hard
0588	Design In-Memory File System	46.60%	Hard	x
0589	N-ary Tree Preorder Traversal	73.40%	Easy	x
0590	N-ary Tree Postorder Traversal	73.40%	Easy	x
0591	Tag Validator	34.70%	Hard
0592	Fraction Addition and Subtraction	50.20%	Medium
0593	Valid Square	43.30%	Medium	x
0594	Longest Harmonious Subsequence	51.20%	Easy	x
0595	Big Countries	78.50%	Easy	x
0596	Classes More Than 5 Students	38.80%	Easy	x
0597	Friend Requests I: Overall Acceptance Rate	41.90%	Easy	x
0598	Range Addition II	50.10%	Easy	x
0599	Minimum Index Sum of Two Lists	51.80%	Easy	x
0600	Non-negative Integers without Consecutive Ones	34.70%	Hard
0601	Human Traffic of Stadium	45.30%	Hard	x
0602	Friend Requests II: Who Has the Most Friends	57.50%	Medium	x
0603	Consecutive Available Seats	66.10%	Easy	x
0604	Design Compressed String Iterator	38.20%	Easy	x
0605	Can Place Flowers	31.80%	Easy	x
0606	Construct String from Binary Tree	55.20%	Easy	x
0607	Sales Person	65.10%	Easy	x
0608	Tree Node	69.70%	Medium	x
0609	Find Duplicate File in System	61.10%	Medium	x
0610	Triangle Judgement	68.60%	Easy	x
0611	Valid Triangle Number	49.30%	Medium
0612	Shortest Distance in a Plane	61.40%	Medium	x
0613	Shortest Distance in a Line	79.70%	Easy	x
0614	Second Degree Follower	32.60%	Medium	x
0615	Average Salary: Departments VS Company	52.70%	Hard	x
0616	Add Bold Tag in String	44.80%	Medium	x
0617	Merge Two Binary Trees	75.40%	Easy	x
0618	Students Report By Geography	60.10%	Hard	x
0619	Biggest Single Number	44.90%	Easy	x
0620	Not Boring Movies	69.90%	Easy	x
0621	Task Scheduler	52.00%	Medium	x
0622	Design Circular Queue	45.80%	Medium
0623	Add One Row to Tree	53.10%	Medium	x
0624	Maximum Distance in Arrays	39.60%	Medium	x
0625	Minimum Factorization	32.90%	Medium
0626	Exchange Seats	65.80%	Medium	x
0627	Swap Salary	77.80%	Easy	x
0628	Maximum Product of Three Numbers	46.90%	Easy	x
0629	K Inverse Pairs Array	31.70%	Hard
0630	Course Schedule III	33.80%	Hard
0631	Design Excel Sum Formula	32.10%	Hard	x
0632	Smallest Range Covering Elements from K Lists	54.30%	Hard
0633	Sum of Square Numbers	32.60%	Medium	x
0634	Find the Derangement of An Array	40.60%	Medium
0635	Design Log Storage System	60.00%	Medium
0636	Exclusive Time of Functions	54.60%	Medium	x
0637	Average of Levels in Binary Tree	66.00%	Easy	x
0638	Shopping Offers	53.00%	Medium
0639	Decode Ways II	27.60%	Hard
0640	Solve the Equation	42.80%	Medium
0641	Design Circular Deque	56.20%	Medium
0642	Design Search Autocomplete System	46.30%	Hard	x
0643	Maximum Average Subarray I	42.00%	Easy	x
0644	Maximum Average Subarray II	34.10%	Hard	x
0645	Set Mismatch	42.00%	Easy	x
0646	Maximum Length of Pair Chain	53.00%	Medium
0647	Palindromic Substrings	61.90%	Medium	x
0648	Replace Words	58.70%	Medium
0649	Dota2 Senate	39.40%	Medium
0650	2 Keys Keyboard	50.10%	Medium
0651	4 Keys Keyboard	53.10%	Medium
0652	Find Duplicate Subtrees	52.60%	Medium
0653	Two Sum IV - Input is a BST	56.30%	Easy	x
0654	Maximum Binary Tree	81.20%	Medium
0655	Print Binary Tree	56.20%	Medium
0656	Coin Path	29.70%	Hard
0657	Robot Return to Origin	73.90%	Easy	x
0658	Find K Closest Elements	42.10%	Medium
0659	Split Array into Consecutive Subsequences	44.40%	Medium
0660	Remove 9	54.20%	Hard
0661	Image Smoother	52.30%	Easy	x
0662	Maximum Width of Binary Tree	39.80%	Medium	x
0663	Equal Tree Partition	39.80%	Medium
0664	Strange Printer	41.50%	Hard
0665	Non-decreasing Array	19.80%	Medium	x
0666	Path Sum IV	56.40%	Medium
0667	Beautiful Arrangement II	55.20%	Medium
0668	Kth Smallest Number in Multiplication Table	47.80%	Hard
0669	Trim a Binary Search Tree	64.40%	Medium	x
0670	Maximum Swap	45.20%	Medium
0671	Second Minimum Node In a Binary Tree	42.80%	Easy	x
0672	Bulb Switcher II	51.10%	Medium
0673	Number of Longest Increasing Subsequence	38.50%	Medium	x
0674	Longest Continuous Increasing Subsequence	46.00%	Easy	x
0675	Cut Off Trees for Golf Event	35.30%	Hard
0676	Implement Magic Dictionary	55.30%	Medium
0677	Map Sum Pairs	54.00%	Medium
0678	Valid Parenthesis String	31.70%	Medium
0679	24 Game	47.20%	Hard
0680	Valid Palindrome II	37.10%	Easy	x
0681	Next Closest Time	45.90%	Medium
0682	Baseball Game	67.20%	Easy	x
0683	K Empty Slots	36.10%	Hard
0684	Redundant Connection	59.00%	Medium
0685	Redundant Connection II	33.00%	Hard
0686	Repeated String Match	32.90%	Medium	x
0687	Longest Univalue Path	37.30%	Medium	x
0688	Knight Probability in Chessboard	50.20%	Medium
0689	Maximum Sum of 3 Non-Overlapping Subarrays	47.20%	Hard
0690	Employee Importance	58.80%	Easy	x
0691	Stickers to Spell Word	44.80%	Hard
0692	Top K Frequent Words	53.10%	Medium	x
0693	Binary Number with Alternating Bits	59.90%	Easy	x
0694	Number of Distinct Islands	57.90%	Medium	x
0695	Max Area of Island	64.90%	Medium	x
0696	Count Binary Substrings	57.70%	Easy	x
0697	Degree of an Array	54.50%	Easy	x
0698	Partition to K Equal Sum Subsets	45.70%	Medium
0699	Falling Squares	42.60%	Hard
0700	Search in a Binary Search Tree	73.40%	Easy	x
0701	Insert into a Binary Search Tree	75.50%	Medium	x
0702	Search in a Sorted Array of Unknown Size	68.90%	Medium	x
0703	Kth Largest Element in a Stream	50.80%	Easy	x
0704	Binary Search	54.10%	Easy	x
0705	Design HashSet	64.60%	Easy	x
0706	Design HashMap	64.20%	Easy	x
0707	Design Linked List	25.90%	Medium
0708	Insert into a Sorted Circular Linked List	32.50%	Medium	x
0709	To Lower Case	80.20%	Easy	x
0710	Random Pick with Blacklist	32.90%	Hard
0711	Number of Distinct Islands II	49.30%	Hard	x
0712	Minimum ASCII Delete Sum for Two Strings	59.50%	Medium
0713	Subarray Product Less Than K	40.50%	Medium	x
0714	Best Time to Buy and Sell Stock with Transaction Fee	56.20%	Medium
0715	Range Module	40.30%	Hard
0716	Max Stack	43.00%	Easy	x
0717	1-bit and 2-bit Characters	47.10%	Easy	x
0718	Maximum Length of Repeated Subarray	50.40%	Medium
0719	Find K-th Smallest Pair Distance	32.60%	Hard
0720	Longest Word in Dictionary	49.30%	Easy	x
0721	Accounts Merge	51.90%	Medium	x
0722	Remove Comments	36.20%	Medium
0723	Candy Crush	72.70%	Medium	x
0724	Find Pivot Index	45.70%	Easy	x
0725	Split Linked List in Parts	53.00%	Medium
0726	Number of Atoms	51.00%	Hard
0727	Minimum Window Subsequence	42.30%	Hard
0728	Self Dividing Numbers	75.50%	Easy	x
0729	My Calendar I	53.40%	Medium	x
0730	Count Different Palindromic Subsequences	43.40%	Hard
0731	My Calendar II	50.70%	Medium
0732	My Calendar III	62.00%	Hard
0733	Flood Fill	55.90%	Easy	x
0734	Sentence Similarity	42.40%	Easy	x
0735	Asteroid Collision	43.20%	Medium	x
0736	Parse Lisp Expression	49.80%	Hard
0737	Sentence Similarity II	46.60%	Medium
0738	Monotone Increasing Digits	45.70%	Medium
0739	Daily Temperatures	64.70%	Medium	x
0740	Delete and Earn	49.50%	Medium
0741	Cherry Pickup	35.10%	Hard
0742	Closest Leaf in a Binary Tree	44.50%	Medium
0743	Network Delay Time	45.60%	Medium
0744	Find Smallest Letter Greater Than Target	45.60%	Easy	x
0745	Prefix and Suffix Search	35.40%	Hard
0746	Min Cost Climbing Stairs	50.90%	Easy	x
0747	Largest Number At Least Twice of Others	43.00%	Easy	x
0748	Shortest Completing Word	57.50%	Easy	x
0749	Contain Virus	48.20%	Hard
0750	Number Of Corner Rectangles	67.20%	Medium	x
0751	IP to CIDR	59.50%	Medium
0752	Open the Lock	52.90%	Medium
0753	Cracking the Safe	52.40%	Hard
0754	Reach a Number	40.50%	Medium
0755	Pour Water	44.10%	Medium
0756	Pyramid Transition Matrix	55.60%	Medium
0757	Set Intersection Size At Least Two	42.60%	Hard
0758	Bold Words in String	47.40%	Easy	x
0759	Employee Free Time	68.30%	Hard	x
0760	Find Anagram Mappings	81.90%	Easy	x
0761	Special Binary String	58.70%	Hard
0762	Prime Number of Set Bits in Binary Representation	64.40%	Easy	x
0763	Partition Labels	78.10%	Medium	x
0764	Largest Plus Sign	46.60%	Medium
0765	Couples Holding Hands	55.50%	Hard	x
0766	Toeplitz Matrix	65.90%	Easy	x
0767	Reorganize String	50.20%	Medium	x
0768	Max Chunks To Make Sorted II	49.80%	Hard
0769	Max Chunks To Make Sorted	55.70%	Medium
0770	Basic Calculator IV	54.20%	Hard
0771	Jewels and Stones	86.90%	Easy	x
0772	Basic Calculator III	43.80%	Hard
0773	Sliding Puzzle	61.00%	Hard
0774	Minimize Max Distance to Gas Station	48.30%	Hard
0775	Global and Local Inversions	42.60%	Medium
0776	Split BST	56.60%	Medium
0777	Swap Adjacent in LR String	35.70%	Medium
0778	Swim in Rising Water	54.70%	Hard
0779	K-th Symbol in Grammar	38.60%	Medium
0780	Reaching Points	30.30%	Hard
0781	Rabbits in Forest	55.60%	Medium
0782	Transform to Chessboard	47.00%	Hard
0783	Minimum Distance Between BST Nodes	53.90%	Easy	x
0784	Letter Case Permutation	68.60%	Medium	x
0785	Is Graph Bipartite?	48.60%	Medium	x
0786	K-th Smallest Prime Fraction	42.80%	Hard
0787	Cheapest Flights Within K Stops	39.60%	Medium	x
0788	Rotated Digits	57.20%	Easy	x
0789	Escape The Ghosts	58.40%	Medium
0790	Domino and Tromino Tiling	40.20%	Medium
0791	Custom Sort String	65.90%	Medium
0792	Number of Matching Subsequences	48.20%	Medium
0793	Preimage Size of Factorial Zeroes Function	40.60%	Hard
0794	Valid Tic-Tac-Toe State	33.70%	Medium
0795	Number of Subarrays with Bounded Maximum	47.70%	Medium
0796	Rotate String	49.20%	Easy	x
0797	All Paths From Source to Target	78.50%	Medium	x
0798	Smallest Rotation with Highest Score	45.00%	Hard
0799	Champagne Tower	44.10%	Medium	x
0800	Similar RGB Color	62.40%	Easy	x
0801	Minimum Swaps To Make Sequences Increasing	39.00%	Medium
0802	Find Eventual Safe States	49.90%	Medium
0803	Bricks Falling When Hit	31.50%	Hard
0804	Unique Morse Code Words	79.00%	Easy	x
0805	Split Array With Same Average	26.90%	Hard
0806	Number of Lines To Write String	65.50%	Easy	x
0807	Max Increase to Keep City Skyline	84.40%	Medium
0808	Soup Servings	41.00%	Medium
0809	Expressive Words	46.50%	Medium
0810	Chalkboard XOR Game	49.70%	Hard
0811	Subdomain Visit Count	71.60%	Easy	x
0812	Largest Triangle Area	59.00%	Easy	x
0813	Largest Sum of Averages	51.10%	Medium
0814	Binary Tree Pruning	72.30%	Medium
0815	Bus Routes	43.40%	Hard
0816	Ambiguous Coordinates	48.00%	Medium
0817	Linked List Components	57.80%	Medium
0818	Race Car	40.00%	Hard
0819	Most Common Word	45.50%	Easy	x
0820	Short Encoding of Words	55.20%	Medium	x
0821	Shortest Distance to a Character	70.10%	Easy	x
0822	Card Flipping Game	43.70%	Medium
0823	Binary Trees With Factors	36.60%	Medium
0824	Goat Latin	66.60%	Easy	x
0825	Friends Of Appropriate Ages	44.20%	Medium
0826	Most Profit Assigning Work	39.20%	Medium
0827	Making A Large Island	47.40%	Hard
0828	Count Unique Characters of All Substrings of a Given String	46.80%	Hard
0829	Consecutive Numbers Sum	39.30%	Hard	x
0830	Positions of Large Groups	50.40%	Easy	x
0831	Masking Personal Information	44.80%	Medium
0832	Flipping an Image	78.20%	Easy	x
0833	Find And Replace in String	51.50%	Medium	x
0834	Sum of Distances in Tree	46.20%	Hard
0835	Image Overlap	61.80%	Medium	x
0836	Rectangle Overlap	44.10%	Easy	x
0837	New 21 Game	35.40%	Medium
0838	Push Dominoes	49.90%	Medium
0839	Similar String Groups	41.00%	Hard
0840	Magic Squares In Grid	37.90%	Medium	x
0841	Keys and Rooms	65.40%	Medium
0842	Split Array into Fibonacci Sequence	37.00%	Medium
0843	Guess the Word	46.50%	Hard
0844	Backspace String Compare	47.10%	Easy	x
0845	Longest Mountain in Array	38.60%	Medium	x
0846	Hand of Straights	55.40%	Medium
0847	Shortest Path Visiting All Nodes	53.90%	Hard
0848	Shifting Letters	45.20%	Medium
0849	Maximize Distance to Closest Person	44.50%	Medium	x
0850	Rectangle Area II	48.30%	Hard
0851	Loud and Rich	52.70%	Medium
0852	Peak Index in a Mountain Array	71.70%	Easy	x
0853	Car Fleet	44.10%	Medium
0854	K-Similar Strings	38.70%	Hard
0855	Exam Room	43.40%	Medium
0856	Score of Parentheses	64.80%	Medium	x
0857	Minimum Cost to Hire K Workers	50.50%	Hard
0858	Mirror Reflection	59.60%	Medium	x
0859	Buddy Strings	29.30%	Easy	x
0860	Lemonade Change	51.80%	Easy	x
0861	Score After Flipping Matrix	73.70%	Medium
0862	Shortest Subarray with Sum at Least K	25.20%	Hard
0863	All Nodes Distance K in Binary Tree	58.00%	Medium	x
0864	Shortest Path to Get All Keys	42.10%	Hard
0865	Smallest Subtree with all the Deepest Nodes	64.80%	Medium	x
0866	Prime Palindrome	25.10%	Medium
0867	Transpose Matrix	62.10%	Easy	x
0868	Binary Gap	61.00%	Easy	x
0869	Reordered Power of 2	54.30%	Medium
0870	Advantage Shuffle	46.90%	Medium
0871	Minimum Number of Refueling Stops	32.40%	Hard
0872	Leaf-Similar Trees	64.50%	Easy	x
0873	Length of Longest Fibonacci Subsequence	48.20%	Medium	x
0874	Walking Robot Simulation	36.80%	Easy	x
0875	Koko Eating Bananas	53.50%	Medium
0876	Middle of the Linked List	69.10%	Easy	x
0877	Stone Game	66.90%	Medium
0878	Nth Magical Number	28.80%	Hard
0879	Profitable Schemes	40.00%	Hard
0880	Decoded String at Index	28.20%	Medium
0881	Boats to Save People	49.00%	Medium
0882	Reachable Nodes In Subdivided Graph	42.90%	Hard
0883	Projection Area of 3D Shapes	68.30%	Easy	x
0884	Uncommon Words from Two Sentences	64.20%	Easy	x
0885	Spiral Matrix III	70.80%	Medium
0886	Possible Bipartition	45.20%	Medium
0887	Super Egg Drop	27.00%	Hard	x
0888	Fair Candy Swap	59.10%	Easy	x
0889	Construct Binary Tree from Preorder and Postorder Traversal	67.70%	Medium	x
0890	Find and Replace Pattern	74.20%	Medium
0891	Sum of Subsequence Widths	33.10%	Hard
0892	Surface Area of 3D Shapes	59.80%	Easy	x
0893	Groups of Special-Equivalent Strings	69.20%	Easy	x
0894	All Possible Full Binary Trees	77.10%	Medium
0895	Maximum Frequency Stack	63.10%	Hard	x
0896	Monotonic Array	58.00%	Easy	x
0897	Increasing Order Search Tree	74.60%	Easy	x
0898	Bitwise ORs of Subarrays	34.30%	Medium
0899	Orderly Queue	53.20%	Hard
0900	RLE Iterator	55.40%	Medium
0901	Online Stock Span	61.40%	Medium
0902	Numbers At Most N Given Digit Set	36.10%	Hard	x
0903	Valid Permutations for DI Sequence	54.10%	Hard
0904	Fruit Into Baskets	43.00%	Medium
0905	Sort Array By Parity	75.00%	Easy	x
0906	Super Palindromes	32.80%	Hard
0907	Sum of Subarray Minimums	33.10%	Medium
0908	Smallest Range I	66.40%	Easy	x
0909	Snakes and Ladders	39.30%	Medium	x
0910	Smallest Range II	31.20%	Medium
0911	Online Election	51.40%	Medium
0912	Sort an Array	64.60%	Medium
0913	Cat and Mouse	34.80%	Hard
0914	X of a Kind in a Deck of Cards	34.20%	Easy	x
0915	Partition Array into Disjoint Intervals	46.20%	Medium
0916	Word Subsets	48.10%	Medium
0917	Reverse Only Letters	59.00%	Easy	x
0918	Maximum Sum Circular Subarray	34.20%	Medium
0919	Complete Binary Tree Inserter	58.90%	Medium
0920	Number of Music Playlists	47.80%	Hard
0921	Minimum Add to Make Parentheses Valid	74.90%	Medium
0922	Sort Array By Parity II	70.60%	Easy	x
0923	3Sum With Multiplicity	36.30%	Medium
0924	Minimize Malware Spread	41.90%	Hard
0925	Long Pressed Name	37.80%	Easy	x
0926	Flip String to Monotone Increasing	53.30%	Medium
0927	Three Equal Parts	34.70%	Hard
0928	Minimize Malware Spread II	41.30%	Hard
0929	Unique Email Addresses	67.20%	Easy	x
0930	Binary Subarrays With Sum	44.60%	Medium
0931	Minimum Falling Path Sum	63.50%	Medium
0932	Beautiful Array	61.40%	Medium
0933	Number of Recent Calls	72.30%	Easy	x
0934	Shortest Bridge	49.70%	Medium
0935	Knight Dialer	46.50%	Medium
0936	Stamping The Sequence	47.50%	Hard
0937	Reorder Data in Log Files	54.50%	Easy	x
0938	Range Sum of BST	83.10%	Easy	x
0939	Minimum Area Rectangle	52.00%	Medium
0940	Distinct Subsequences II	41.60%	Hard
0941	Valid Mountain Array	33.20%	Easy	x
0942	DI String Match	73.60%	Easy	x
0943	Find the Shortest Superstring	43.40%	Hard
0944	Delete Columns to Make Sorted	70.90%	Easy	x
0945	Minimum Increment to Make Array Unique	46.80%	Medium
0946	Validate Stack Sequences	64.40%	Medium	x
0947	Most Stones Removed with Same Row or Column	55.40%	Medium
0948	Bag of Tokens	46.10%	Medium	x
0949	Largest Time for Given Digits	36.20%	Medium	x
0950	Reveal Cards In Increasing Order	75.40%	Medium
0951	Flip Equivalent Binary Trees	65.80%	Medium
0952	Largest Component Size by Common Factor	36.20%	Hard	x
0953	Verifying an Alien Dictionary	52.00%	Easy	x
0954	Array of Doubled Pairs	35.10%	Medium
0955	Delete Columns to Make Sorted II	33.90%	Medium
0956	Tallest Billboard	39.80%	Hard
0957	Prison Cells After N Days	40.10%	Medium	x
0958	Check Completeness of a Binary Tree	52.50%	Medium
0959	Regions Cut By Slashes	67.20%	Medium
0960	Delete Columns to Make Sorted III	54.90%	Hard
0961	N-Repeated Element in Size 2N Array	74.50%	Easy	x
0962	Maximum Width Ramp	46.50%	Medium
0963	Minimum Area Rectangle II	51.90%	Medium
0964	Least Operators to Express Number	45.10%	Hard
0965	Univalued Binary Tree	67.80%	Easy	x
0966	Vowel Spellchecker	47.90%	Medium
0967	Numbers With Same Consecutive Differences	44.90%	Medium	x
0968	Binary Tree Cameras	38.80%	Hard
0969	Pancake Sorting	68.70%	Medium	x
0970	Powerful Integers	40.00%	Medium	x
0971	Flip Binary Tree To Match Preorder Traversal	46.10%	Medium
0972	Equal Rational Numbers	42.10%	Hard
0973	K Closest Points to Origin	64.60%	Medium	x
0974	Subarray Sums Divisible by K	50.90%	Medium	x
0975	Odd Even Jump	41.50%	Hard
0976	Largest Perimeter Triangle	58.60%	Easy	x
0977	Squares of a Sorted Array	72.00%	Easy	x
0978	Longest Turbulent Subarray	46.60%	Medium
0979	Distribute Coins in Binary Tree	69.80%	Medium
0980	Unique Paths III	77.10%	Hard	x
0981	Time Based Key-Value Store	54.20%	Medium	x
0982	Triples with Bitwise AND Equal To Zero	56.30%	Hard
0983	Minimum Cost For Tickets	62.80%	Medium	x
0984	String Without AAA or BBB	38.70%	Medium
0985	Sum of Even Numbers After Queries	60.70%	Easy	x
0986	Interval List Intersections	68.40%	Medium	x
0987	Vertical Order Traversal of a Binary Tree	38.90%	Hard	x
0988	Smallest String Starting From Leaf	46.70%	Medium
0989	Add to Array-Form of Integer	44.90%	Easy	x
0990	Satisfiability of Equality Equations	46.90%	Medium
0991	Broken Calculator	49.70%	Medium	x
0992	Subarrays with K Different Integers	50.70%	Hard
0993	Cousins in Binary Tree	52.30%	Easy	x
0994	Rotting Oranges	49.60%	Medium	x
0995	Minimum Number of K Consecutive Bit Flips	49.90%	Hard
0996	Number of Squareful Arrays	48.50%	Hard
0997	Find the Town Judge	49.80%	Easy	x
0998	Maximum Binary Tree II	64.00%	Medium
0999	Available Captures for Rook	67.80%	Easy	x
1000	Minimum Cost to Merge Stones	40.50%	Hard
1001	Grid Illumination	36.50%	Hard
1002	Find Common Characters	68.60%	Easy	x
1003	Check If Word Is Valid After Substitutions	56.50%	Medium
1004	Max Consecutive Ones III	60.90%	Medium
1005	Maximize Sum Of Array After K Negations	52.30%	Easy	x
1006	Clumsy Factorial	53.60%	Medium
1007	Minimum Domino Rotations For Equal Row	50.90%	Medium	x
1008	Construct Binary Search Tree from Preorder Traversal	78.80%	Medium	x
1009	Complement of Base 10 Integer	61.50%	Easy	x
1010	Pairs of Songs With Total Durations Divisible by 60	50.40%	Medium	x
1011	Capacity To Ship Packages Within D Days	59.70%	Medium
1012	Numbers With Repeated Digits	37.80%	Hard
1013	Partition Array Into Three Parts With Equal Sum	48.60%	Easy	x
1014	Best Sightseeing Pair	52.90%	Medium
1015	Smallest Integer Divisible by K	41.90%	Medium	x
1016	Binary String With Substrings Representing 1 To N	58.90%	Medium
1017	Convert to Base -2	59.80%	Medium
1018	Binary Prefix Divisible By 5	47.80%	Easy	x
1019	Next Greater Node In Linked List	58.30%	Medium
1020	Number of Enclaves	59.10%	Medium
1021	Remove Outermost Parentheses	79.10%	Easy	x
1022	Sum of Root To Leaf Binary Numbers	71.50%	Easy	x
1023	Camelcase Matching	57.50%	Medium
1024	Video Stitching	49.00%	Medium
1025	Divisor Game	66.10%	Easy	x
1026	Maximum Difference Between Node and Ancestor	69.50%	Medium	x
1027	Longest Arithmetic Subsequence	49.80%	Medium
1028	Recover a Tree From Preorder Traversal	71.00%	Hard
1029	Two City Scheduling	58.10%	Medium	x
1030	Matrix Cells in Distance Order	67.10%	Easy	x
1031	Maximum Sum of Two Non-Overlapping Subarrays	58.90%	Medium
1032	Stream of Characters	48.60%	Hard	x
1033	Moving Stones Until Consecutive	43.20%	Easy	x
1034	Coloring A Border	45.70%	Medium
1035	Uncrossed Lines	56.10%	Medium
1036	Escape a Large Maze	34.40%	Hard
1037	Valid Boomerang	37.80%	Easy	x
1038	Binary Search Tree to Greater Sum Tree	82.40%	Medium
1039	Minimum Score Triangulation of Polygon	50.20%	Medium
1040	Moving Stones Until Consecutive II	54.10%	Medium
1041	Robot Bounded In Circle	55.10%	Medium	x
1042	Flower Planting With No Adjacent	48.80%	Medium	x
1043	Partition Array for Maximum Sum	67.10%	Medium
1044	Longest Duplicate Substring	31.40%	Hard	x
1045	Customers Who Bought All Products	68.50%	Medium	x
1046	Last Stone Weight	62.40%	Easy	x
1047	Remove All Adjacent Duplicates In String	70.90%	Easy	x
1048	Longest String Chain	55.50%	Medium	x
1049	Last Stone Weight II	45.40%	Medium
1050	Actors and Directors Who Cooperated At Least Three Times	72.40%	Easy	x
1051	Height Checker	72.10%	Easy	x
1052	Grumpy Bookstore Owner	55.80%	Medium
1053	Previous Permutation With One Swap	51.10%	Medium
1054	Distant Barcodes	44.30%	Medium
1055	Shortest Way to Form String	57.20%	Medium
1056	Confusing Number	47.00%	Easy	x
1057	Campus Bikes	57.70%	Medium
1058	Minimize Rounding Error to Meet Target	43.30%	Medium
1059	All Paths from Source Lead to Destination	43.00%	Medium
1060	Missing Element in Sorted Array	54.80%	Medium
1061	Lexicographically Smallest Equivalent String	66.70%	Medium
1062	Longest Repeating Substring	58.30%	Medium
1063	Number of Valid Subarrays	72.10%	Hard
1064	Fixed Point	65.00%	Easy	x
1065	Index Pairs of a String	61.00%	Easy	x
1066	Campus Bikes II	54.20%	Medium
1067	Digit Count in Range	41.70%	Hard
1068	Product Sales Analysis I	82.10%	Easy	x
1069	Product Sales Analysis II	83.20%	Easy	x
1070	Product Sales Analysis III	49.90%	Medium	x
1071	Greatest Common Divisor of Strings	51.20%	Easy	x
1072	Flip Columns For Maximum Number of Equal Rows	61.50%	Medium
1073	Adding Two Negabinary Numbers	34.90%	Medium
1074	Number of Submatrices That Sum to Target	61.80%	Hard
1075	Project Employees I	66.10%	Easy	x
1076	Project Employees II	52.90%	Easy	x
1077	Project Employees III	77.70%	Medium	x
1078	Occurrences After Bigram	64.90%	Easy	x
1079	Letter Tile Possibilities	75.90%	Medium
1080	Insufficient Nodes in Root to Leaf Paths	49.90%	Medium
1081	Smallest Subsequence of Distinct Characters	53.50%	Medium	x
1082	Sales Analysis I	73.80%	Easy	x
1083	Sales Analysis II	50.80%	Easy	x
1084	Sales Analysis III	54.70%	Easy	x
1085	Sum of Digits in the Minimum Number	75.10%	Easy	x
1086	High Five	77.70%	Easy	x
1087	Brace Expansion	63.10%	Medium
1088	Confusing Number II	45.50%	Hard
1089	Duplicate Zeros	51.70%	Easy	x
1090	Largest Values From Labels	60.10%	Medium
1091	Shortest Path in Binary Matrix	40.00%	Medium	x
1092	Shortest Common Supersequence	53.10%	Hard
1093	Statistics from a Large Sample	49.40%	Medium
1094	Car Pooling	59.70%	Medium	x
1095	Find in Mountain Array	36.10%	Hard
1096	Brace Expansion II	62.60%	Hard
1097	Game Play Analysis V	56.50%	Hard	x
1098	Unpopular Books	45.50%	Medium	x
1099	Two Sum Less Than K	60.80%	Easy	x
1100	Find K-Length Substrings With No Repeated Characters	73.10%	Medium
1101	The Earliest Moment When Everyone Become Friends	67.90%	Medium
1102	Path With Maximum Minimum Value	50.60%	Medium
1103	Distribute Candies to People	63.50%	Easy	x
1104	Path In Zigzag Labelled Binary Tree	73.10%	Medium
1105	Filling Bookcase Shelves	57.50%	Medium
1106	Parsing A Boolean Expression	59.30%	Hard
1107	New Users Daily Count	46.10%	Medium	x
1108	Defanging an IP Address	88.40%	Easy	x
1109	Corporate Flight Bookings	54.30%	Medium	x
1110	Delete Nodes And Return Forest	67.80%	Medium
1111	Maximum Nesting Depth of Two Valid Parentheses Strings	72.60%	Medium
1112	Highest Grade For Each Student	72.20%	Medium	x
1113	Reported Posts	65.90%	Easy	x
1114	Print in Order	67.20%	Easy	x
1115	Print FooBar Alternately	59.00%	Medium	x
1116	Print Zero Even Odd	57.70%	Medium	x
1117	Building H2O	53.10%	Medium	x
1118	Number of Days in a Month	57.30%	Easy	x
1119	Remove Vowels from a String	90.50%	Easy	x
1120	Maximum Average Subtree	63.60%	Medium
1121	Divide Array Into Increasing Sequences	58.20%	Hard
1122	Relative Sort Array	68.10%	Easy	x
1123	Lowest Common Ancestor of Deepest Leaves	68.00%	Medium
1124	Longest Well-Performing Interval	33.30%	Medium
1125	Smallest Sufficient Team	47.10%	Hard
1126	Active Businesses	68.50%	Medium	x
1127	User Purchase Platform	50.30%	Hard	x
1128	Number of Equivalent Domino Pairs	46.40%	Easy	x
1129	Shortest Path with Alternating Colors	40.20%	Medium
1130	Minimum Cost Tree From Leaf Values	67.30%	Medium
1131	Maximum of Absolute Value Expression	51.80%	Medium
1132	Reported Posts II	34.60%	Medium	x
1133	Largest Unique Number	67.20%	Easy	x
1134	Armstrong Number	78.20%	Easy	x
1135	Connecting Cities With Minimum Cost	59.40%	Medium
1136	Parallel Courses	60.80%	Medium
1137	N-th Tribonacci Number	55.90%	Easy	x
1138	Alphabet Board Path	51.10%	Medium
1139	Largest 1-Bordered Square	48.50%	Medium
1140	Stone Game II	64.70%	Medium
1141	User Activity for the Past 30 Days I	54.50%	Easy	x
1142	User Activity for the Past 30 Days II	35.30%	Easy	x
1143	Longest Common Subsequence	58.70%	Medium	x
1144	Decrease Elements To Make Array Zigzag	46.20%	Medium
1145	Binary Tree Coloring Game	51.30%	Medium
1146	Snapshot Array	36.80%	Medium
1147	Longest Chunked Palindrome Decomposition	59.50%	Hard
1148	Article Views I	77.10%	Easy	x
1149	Article Views II	48.20%	Medium	x
1150	Check If a Number Is Majority Element in a Sorted Array	57.40%	Easy	x
1151	Minimum Swaps to Group All 1's Together	58.70%	Medium	x
1152	Analyze User Website Visit Pattern	43.20%	Medium	x
1153	String Transforms Into Another String	35.80%	Hard
1154	Day of the Year	49.20%	Easy	x
1155	Number of Dice Rolls With Target Sum	47.60%	Medium
1156	Swap For Longest Repeated Character Substring	47.10%	Medium
1157	Online Majority Element In Subarray	39.70%	Hard
1158	Market Analysis I	64.00%	Medium	x
1159	Market Analysis II	55.80%	Hard	x
1160	Find Words That Can Be Formed by Characters	67.90%	Easy	x
1161	Maximum Level Sum of a Binary Tree	69.30%	Medium
1162	As Far from Land as Possible	45.40%	Medium
1163	Last Substring in Lexicographical Order	36.30%	Hard
1164	Product Price at a Given Date	68.70%	Medium	x
1165	Single-Row Keyboard	85.60%	Easy	x
1166	Design File System	58.50%	Medium	x
1167	Minimum Cost to Connect Sticks	64.50%	Medium	x
1168	Optimize Water Distribution in a Village	61.20%	Hard
1169	Invalid Transactions	30.90%	Medium
1170	Compare Strings by Frequency of the Smallest Character	59.90%	Medium	x
1171	Remove Zero Sum Consecutive Nodes from Linked List	41.50%	Medium
1172	Dinner Plate Stacks	37.70%	Hard
1173	Immediate Food Delivery I	82.50%	Easy	x
1174	Immediate Food Delivery II	62.00%	Medium	x
1175	Prime Arrangements	52.00%	Easy	x
1176	Diet Plan Performance	53.80%	Easy	x
1177	Can Make Palindrome from Substring	36.10%	Medium
1178	Number of Valid Words for Each Puzzle	39.40%	Hard
1179	Reformat Department Table	82.00%	Easy	x
1180	Count Substrings with Only One Distinct Letter	77.70%	Easy	x
1181	Before and After Puzzle	44.50%	Medium
1182	Shortest Distance to Target Color	53.40%	Medium
1183	Maximum Number of Ones	57.60%	Hard
1184	Distance Between Bus Stops	54.00%	Easy	x
1185	Day of the Week	61.30%	Easy	x
1186	Maximum Subarray Sum with One Deletion	38.80%	Medium
1187	Make Array Strictly Increasing	42.00%	Hard
1188	Design Bounded Blocking Queue	72.70%	Medium	x
1189	Maximum Number of Balloons	61.90%	Easy	x
1190	Reverse Substrings Between Each Pair of Parentheses	64.10%	Medium
1191	K-Concatenation Maximum Sum	25.20%	Medium
1192	Critical Connections in a Network	50.10%	Hard	x
1193	Monthly Transactions I	69.10%	Medium	x
1194	Tournament Winners	52.40%	Hard	x
1195	Fizz Buzz Multithreaded	70.70%	Medium	x
1196	How Many Apples Can You Put into the Basket	68.20%	Easy	x
1197	Minimum Knight Moves	37.30%	Medium	x
1198	Find Smallest Common Element in All Rows	75.30%	Medium
1199	Minimum Time to Build Blocks	38.60%	Hard
1200	Minimum Absolute Difference	67.00%	Easy	x
1201	Ugly Number III	26.40%	Medium
1202	Smallest String With Swaps	48.80%	Medium
1203	Sort Items by Groups Respecting Dependencies	48.30%	Hard
1204	Last Person to Fit in the Elevator	71.80%	Medium	x
1205	Monthly Transactions II	45.70%	Medium	x
1206	Design Skiplist	59.00%	Hard
1207	Unique Number of Occurrences	71.80%	Easy	x
1208	Get Equal Substrings Within Budget	44.00%	Medium
1209	Remove All Adjacent Duplicates in String II	57.60%	Medium	x
1210	Minimum Moves to Reach Target with Rotations	46.40%	Hard
1211	Queries Quality and Percentage	70.00%	Easy	x
1212	Team Scores in Football Tournament	56.90%	Medium	x
1213	Intersection of Three Sorted Arrays	79.40%	Easy	x
1214	Two Sum BSTs	67.50%	Medium
1215	Stepping Numbers	43.60%	Medium
1216	Valid Palindrome III	49.90%	Hard
1217	Minimum Cost to Move Chips to The Same Position	71.10%	Easy	x
1218	Longest Arithmetic Subsequence of Given Difference	46.70%	Medium
1219	Path with Maximum Gold	65.80%	Medium
1220	Count Vowels Permutation	54.00%	Hard
1221	Split a String in Balanced Strings	84.30%	Easy	x
1222	Queens That Can Attack the King	69.50%	Medium
1223	Dice Roll Simulation	46.70%	Hard
1224	Maximum Equal Frequency	35.00%	Hard
1225	Report Contiguous Dates	62.80%	Hard	x
1226	The Dining Philosophers	59.80%	Medium	x
1227	Airplane Seat Assignment Probability	62.20%	Medium
1228	Missing Number In Arithmetic Progression	51.20%	Easy	x
1229	Meeting Scheduler	54.30%	Medium	x
1230	Toss Strange Coins	50.30%	Medium
1231	Divide Chocolate	53.60%	Hard
1232	Check If It Is a Straight Line	43.50%	Easy	x
1233	Remove Sub-Folders from the Filesystem	62.10%	Medium
1234	Replace the Substring for Balanced String	34.50%	Medium
1235	Maximum Profit in Job Scheduling	47.40%	Hard
1236	Web Crawler	64.70%	Medium
1237	Find Positive Integer Solution for a Given Equation	69.40%	Medium	x
1238	Circular Permutation in Binary Representation	66.20%	Medium
1239	Maximum Length of a Concatenated String with Unique Characters	49.70%	Medium	x
1240	Tiling a Rectangle with the Fewest Squares	52.60%	Hard
1241	Number of Comments per Post	67.80%	Easy	x
1242	Web Crawler Multithreaded	47.50%	Medium	x
1243	Array Transformation	50.00%	Easy	x
1244	Design A Leaderboard	66.10%	Medium	x
1245	Tree Diameter	61.10%	Medium
1246	Palindrome Removal	46.00%	Hard
1247	Minimum Swaps to Make Strings Equal	62.80%	Medium
1248	Count Number of Nice Subarrays	56.10%	Medium
1249	Minimum Remove to Make Valid Parentheses	64.20%	Medium	x
1250	Check If It Is a Good Array	56.10%	Hard
1251	Average Selling Price	82.60%	Easy	x
1252	Cells with Odd Values in a Matrix	78.80%	Easy	x
1253	Reconstruct a 2-Row Binary Matrix	41.60%	Medium
1254	Number of Closed Islands	61.70%	Medium
1255	Maximum Score Words Formed by Letters	70.00%	Hard
1256	Encode Number	67.90%	Medium	x
1257	Smallest Common Region	61.10%	Medium
1258	Synonymous Sentences	63.10%	Medium
1259	Handshakes That Don't Cross	54.20%	Hard
1260	Shift 2D Grid	61.90%	Easy	x
1261	Find Elements in a Contaminated Binary Tree	74.50%	Medium
1262	Greatest Sum Divisible by Three	49.70%	Medium
1263	Minimum Moves to Move a Box to Their Target Location	43.30%	Hard
1264	Page Recommendations	69.20%	Medium	x
1265	Print Immutable Linked List in Reverse	94.30%	Medium
1266	Minimum Time Visiting All Points	79.40%	Easy	x
1267	Count Servers that Communicate	57.70%	Medium
1268	Search Suggestions System	64.70%	Medium
1269	Number of Ways to Stay in the Same Place After Some Steps	43.20%	Hard
1270	All People Report to the Given Manager	88.20%	Medium	x
1271	Hexspeak	55.40%	Easy	x
1272	Remove Interval	58.10%	Medium	x
1273	Delete Tree Nodes	62.20%	Medium
1274	Number of Ships in a Rectangle	65.90%	Hard
1275	Find Winner on a Tic Tac Toe Game	52.90%	Easy	x
1276	Number of Burgers with No Waste of Ingredients	50.10%	Medium
1277	Count Square Submatrices with All Ones	72.80%	Medium
1278	Palindrome Partitioning III	60.90%	Hard
1279	Traffic Light Controlled Intersection	76.10%	Easy	x
1280	Students and Examinations	75.00%	Easy	x
1281	Subtract the Product and Sum of Digits of an Integer	85.60%	Easy	x
1282	Group the People Given the Group Size They Belong To	84.30%	Medium
1283	Find the Smallest Divisor Given a Threshold	49.60%	Medium	x
1284	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix	70.10%	Hard
1285	Find the Start and End Number of Continuous Ranges	87.50%	Medium	x
1286	Iterator for Combination	70.90%	Medium	x
1287	Element Appearing More Than 25% In Sorted Array	60.10%	Easy	x
1288	Remove Covered Intervals	57.30%	Medium	x
1289	Minimum Falling Path Sum II	62.50%	Hard
1290	Convert Binary Number in a Linked List to Integer	81.80%	Easy	x
1291	Sequential Digits	57.40%	Medium	x
1292	Maximum Side Length of a Square with Sum Less than or Equal to Threshold	50.80%	Medium
1293	Shortest Path in a Grid with Obstacles Elimination	43.10%	Hard
1294	Weather Type in Each Country	66.50%	Easy	x
1295	Find Numbers with Even Number of Digits	78.90%	Easy	x
1296	Divide Array in Sets of K Consecutive Numbers	55.50%	Medium
1297	Maximum Number of Occurrences of a Substring	50.30%	Medium
1298	Maximum Candies You Can Get from Boxes	59.70%	Hard
1299	Replace Elements with Greatest Element on Right Side	74.60%	Easy	x
1300	Sum of Mutated Array Closest to Target	43.00%	Medium
1301	Number of Paths with Max Score	38.30%	Hard
1302	Deepest Leaves Sum	84.20%	Medium
1303	Find the Team Size	89.60%	Easy	x
1304	Find N Unique Integers Sum up to Zero	76.80%	Easy	x
1305	All Elements in Two Binary Search Trees	77.80%	Medium	x
1306	Jump Game III	62.40%	Medium	x
1307	Verbal Arithmetic Puzzle	36.80%	Hard
1308	Running Total for Different Genders	87.70%	Medium	x
1309	Decrypt String from Alphabet to Integer Mapping	77.60%	Easy	x
1310	XOR Queries of a Subarray	69.30%	Medium
1311	Get Watched Videos by Your Friends	44.20%	Medium
1312	Minimum Insertion Steps to Make a String Palindrome	59.80%	Hard
1313	Decompress Run-Length Encoded List	85.40%	Easy	x
1314	Matrix Block Sum	73.60%	Medium
1315	Sum of Nodes with Even-Valued Grandparent	84.30%	Medium
1316	Distinct Echo Substrings	49.70%	Hard
1317	Convert Integer to the Sum of Two No-Zero Integers	56.70%	Easy	x
1318	Minimum Flips to Make a OR b Equal to c	64.00%	Medium
1319	Number of Operations to Make Network Connected	55.50%	Medium
1320	Minimum Distance to Type a Word Using Two Fingers	61.80%	Hard
1321	Restaurant Growth	71.30%	Medium	x
1322	Ads Performance	58.10%	Easy	x
1323	Maximum 69 Number	77.90%	Easy	x
1324	Print Words Vertically	58.90%	Medium
1325	Delete Leaves With a Given Value	73.80%	Medium
1326	Minimum Number of Taps to Open to Water a Garden	47.60%	Hard
1327	List the Products Ordered in a Period	77.60%	Easy	x
1328	Break a Palindrome	46.90%	Medium
1329	Sort the Matrix Diagonally	81.80%	Medium
1330	Reverse Subarray To Maximize Array Value	36.70%	Hard
1331	Rank Transform of an Array	57.40%	Easy	x
1332	Remove Palindromic Subsequences	68.10%	Easy	x
1333	Filter Restaurants by Vegan-Friendly, Price and Distance	57.20%	Medium
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance	47.10%	Medium
1335	Minimum Difficulty of a Job Schedule	56.70%	Hard	x
1336	Number of Transactions per Visit	48.30%	Hard	x
1337	The K Weakest Rows in a Matrix	72.00%	Easy	x
1338	Reduce Array Size to The Half	67.70%	Medium
1339	Maximum Product of Splitted Binary Tree	38.30%	Medium
1340	Jump Game V	59.20%	Hard
1341	Movie Rating	58.90%	Medium	x
1342	Number of Steps to Reduce a Number to Zero	85.80%	Easy	x
1343	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold	64.80%	Medium
1344	Angle Between Hands of a Clock	61.30%	Medium	x
1345	Jump Game IV	41.90%	Hard
1346	Check If N and Its Double Exist	36.10%	Easy	x
1347	Minimum Number of Steps to Make Two Strings Anagram	75.10%	Medium
1348	Tweet Counts Per Frequency	36.30%	Medium	x
1349	Maximum Students Taking Exam	44.20%	Hard
1350	Students With Invalid Departments	90.30%	Easy	x
1351	Count Negative Numbers in a Sorted Matrix	75.90%	Easy	x
1352	Product of the Last K Numbers	44.70%	Medium
1353	Maximum Number of Events That Can Be Attended	30.50%	Medium
1354	Construct Target Array With Multiple Sums	31.30%	Hard
1355	Activity Participants	74.30%	Medium	x
1356	Sort Integers by The Number of 1 Bits	69.60%	Easy	x
1357	Apply Discount Every n Orders	66.80%	Medium
1358	Number of Substrings Containing All Three Characters	60.60%	Medium
1359	Count All Valid Pickup and Delivery Options	56.30%	Hard
1360	Number of Days Between Two Dates	46.70%	Easy	x
1361	Validate Binary Tree Nodes	43.70%	Medium
1362	Closest Divisors	57.70%	Medium
1363	Largest Multiple of Three	34.10%	Hard
1364	Number of Trusted Contacts of a Customer	78.80%	Medium	x
1365	How Many Numbers Are Smaller Than the Current Number	86.00%	Easy	x
1366	Rank Teams by Votes	55.30%	Medium
1367	Linked List in Binary Tree	41.10%	Medium	x
1368	Minimum Cost to Make at Least One Valid Path in a Grid	57.40%	Hard
1369	Get the Second Most Recent Activity	68.80%	Hard	x
1370	Increasing Decreasing String	77.20%	Easy	x
1371	Find the Longest Substring Containing Vowels in Even Counts	60.90%	Medium
1372	Longest ZigZag Path in a Binary Tree	54.90%	Medium
1373	Maximum Sum BST in Binary Tree	37.30%	Hard
1374	Generate a String With Characters That Have Odd Counts	76.70%	Easy	x
1375	Bulb Switcher III	64.20%	Medium
1376	Time Needed to Inform All Employees	56.50%	Medium
1377	Frog Position After T Seconds	35.20%	Hard
1378	Replace Employee ID With The Unique Identifier	90.10%	Easy	x
1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	84.70%	Medium
1380	Lucky Numbers in a Matrix	70.50%	Easy	x
1381	Design a Stack With Increment Operation	76.20%	Medium
1382	Balance a Binary Search Tree	76.20%	Medium
1383	Maximum Performance of a Team	35.80%	Hard
1384	Total Sales Amount by Year	64.50%	Hard	x
1385	Find the Distance Value Between Two Arrays	66.40%	Easy	x
1386	Cinema Seat Allocation	35.70%	Medium
1387	Sort Integers by The Power Value	70.50%	Medium
1388	Pizza With 3n Slices	45.80%	Hard
1389	Create Target Array in the Given Order	84.80%	Easy	x
1390	Four Divisors	39.30%	Medium
1391	Check if There is a Valid Path in a Grid	44.90%	Medium
1392	Longest Happy Prefix	41.90%	Hard
1393	Capital Gain/Loss	90.80%	Medium	x
1394	Find Lucky Integer in an Array	63.20%	Easy	x
1395	Count Number of Teams	76.70%	Medium
1396	Design Underground System	69.70%	Medium	x
1397	Find All Good Strings	38.60%	Hard
1398	Customers Who Bought Products A and B but Not C	82.10%	Medium	x
1399	Count Largest Group	65.30%	Easy	x
1400	Construct K Palindrome Strings	63.00%	Medium
1401	Circle and Rectangle Overlapping	42.50%	Medium
1402	Reducing Dishes	72.20%	Hard
1403	Minimum Subsequence in Non-Increasing Order	71.00%	Easy	x
1404	Number of Steps to Reduce a Number in Binary Representation to One	49.90%	Medium
1405	Longest Happy String	52.40%	Medium
1406	Stone Game III	57.50%	Hard
1407	Top Travellers	83.90%	Easy	x
1408	String Matching in an Array	63.20%	Easy	x
1409	Queries on a Permutation With Key	81.60%	Medium
1410	HTML Entity Parser	54.20%	Medium
1411	Number of Ways to Paint N × 3 Grid	60.50%	Hard
1412	Find the Quiet Students in All Exams	64.10%	Hard	x
1413	Minimum Value to Get Positive Step by Step Sum	65.50%	Easy	x
1414	Find the Minimum Number of Fibonacci Numbers Whose Sum Is K	63.20%	Medium
1415	The k-th Lexicographical String of All Happy Strings of Length n	69.90%	Medium
1416	Restore The Array	36.50%	Hard
1417	Reformat The String	55.30%	Easy	x
1418	Display Table of Food Orders in a Restaurant	69.00%	Medium
1419	Minimum Number of Frogs Croaking	47.50%	Medium
1420	Build Array Where You Can Find The Maximum Exactly K Comparisons	64.10%	Hard
1421	NPV Queries	82.20%	Medium	x
1422	Maximum Score After Splitting a String	56.30%	Easy	x
1423	Maximum Points You Can Obtain from Cards	46.70%	Medium	x
1424	Diagonal Traverse II	46.10%	Medium
1425	Constrained Subsequence Sum	45.00%	Hard
1426	Counting Elements	59.10%	Easy	x
1427	Perform String Shifts	53.50%	Easy	x
1428	Leftmost Column with at Least a One	49.20%	Medium	x
1429	First Unique Number	49.70%	Medium
1430	Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree	45.10%	Medium
1431	Kids With the Greatest Number of Candies	88.30%	Easy	x
1432	Max Difference You Can Get From Changing an Integer	42.90%	Medium
1433	Check If a String Can Break Another String	67.30%	Medium
1434	Number of Ways to Wear Different Hats to Each Other	39.40%	Hard
1435	Create a Session Bar Chart	77.70%	Easy	x
1436	Destination City	77.30%	Easy	x
1437	Check If All 1's Are at Least Length K Places Away	62.30%	Easy	x
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	44.40%	Medium
1439	Find the Kth Smallest Sum of a Matrix With Sorted Rows	60.10%	Hard
1440	Evaluate Boolean Expression	74.80%	Medium	x
1441	Build an Array With Stack Operations	70.40%	Easy	x
1442	Count Triplets That Can Form Two Arrays of Equal XOR	71.40%	Medium
1443	Minimum Time to Collect All Apples in a Tree	54.60%	Medium
1444	Number of Ways of Cutting a Pizza	53.80%	Hard
1445	Apples & Oranges	90.70%	Medium	x
1446	Consecutive Characters	61.10%	Easy	x
1447	Simplified Fractions	62.10%	Medium
1448	Count Good Nodes in Binary Tree	70.90%	Medium
1449	Form Largest Integer With Digits That Add up to Target	44.20%	Hard
1450	Number of Students Doing Homework at a Given Time	77.10%	Easy	x
1451	Rearrange Words in a Sentence	59.60%	Medium
1452	People Whose List of Favorite Companies Is Not a Subset of Another List	55.00%	Medium
1453	Maximum Number of Darts Inside of a Circular Dartboard	35.40%	Hard
1454	Active Users	38.80%	Medium	x
1455	Check If a Word Occurs As a Prefix of Any Word in a Sentence	65.00%	Easy	x
1456	Maximum Number of Vowels in a Substring of Given Length	54.60%	Medium
1457	Pseudo-Palindromic Paths in a Binary Tree	70.50%	Medium
1458	Max Dot Product of Two Subsequences	43.20%	Hard
1459	Rectangles Area	64.90%	Medium	x
1460	Make Two Arrays Equal by Reversing Sub-arrays	72.10%	Easy	x
1461	Check If a String Contains All Binary Codes of Size K	47.30%	Medium
1462	Course Schedule IV	44.70%	Medium
1463	Cherry Pickup II	69.00%	Hard
1464	Maximum Product of Two Elements in an Array	77.20%	Easy	x
1465	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts	33.20%	Medium	x
1466	Reorder Routes to Make All Paths Lead to the City Zero	61.80%	Medium
1467	Probability of a Two Boxes Having The Same Number of Distinct Balls	60.90%	Hard
1468	Calculate Salaries	82.00%	Medium	x
1469	Find All The Lonely Nodes	80.40%	Easy	x
1470	Shuffle the Array	88.20%	Easy	x
1471	The k Strongest Values in an Array	58.50%	Medium
1472	Design Browser History	71.50%	Medium	x
1473	Paint House III	48.50%	Hard
1474	Delete N Nodes After M Nodes of a Linked List	74.20%	Easy	x
1475	Final Prices With a Special Discount in a Shop	75.20%	Easy	x
1476	Subrectangle Queries	88.20%	Medium
1477	Find Two Non-overlapping Sub-arrays Each With Target Sum	34.60%	Medium
1478	Allocate Mailboxes	54.00%	Hard
1479	Sales by Day of the Week	83.30%	Hard	x
1480	Running Sum of 1d Array	88.90%	Easy	x
1481	Least Number of Unique Integers after K Removals	56.00%	Medium	x
1482	Minimum Number of Days to Make m Bouquets	50.30%	Medium	x
1483	Kth Ancestor of a Tree Node	30.70%	Hard	x
1484	Group Sold Products By The Date	85.30%	Easy	x
1485	Clone Binary Tree With Random Pointer	79.20%	Medium
1486	XOR Operation in an Array	84.10%	Easy	x
1487	Making File Names Unique	30.70%	Medium
1488	Avoid Flood in The City	24.50%	Medium
1489	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree	51.40%	Hard
1490	Clone N-ary Tree	83.60%	Medium
1491	Average Salary Excluding the Minimum and Maximum Salary	68.50%	Easy	x
1492	The kth Factor of n	63.30%	Medium	x
1493	Longest Subarray of 1's After Deleting One Element	57.80%	Medium
1494	Parallel Courses II	31.20%	Hard
1495	Friendly Movies Streamed Last Month	51.30%	Easy	x
1496	Path Crossing	55.20%	Easy	x
1497	Check If Array Pairs Are Divisible by k	40.30%	Medium
1498	Number of Subsequences That Satisfy the Given Sum Condition	38.50%	Medium
1499	Max Value of Equation	45.00%	Hard
1500	Design a File Sharing System	46.30%	Medium
1501	Countries You Can Safely Invest In	60.60%	Medium	x
1502	Can Make Arithmetic Progression From Sequence	71.10%	Easy	x
1503	Last Moment Before All Ants Fall Out of a Plank	53.20%	Medium
1504	Count Submatrices With All Ones	60.80%	Medium
1505	Minimum Possible Integer After at Most K Adjacent Swaps On Digits	36.70%	Hard
1506	Find Root of N-Ary Tree	80.30%	Medium
1507	Reformat Date	60.10%	Easy	x
1508	Range Sum of Sorted Subarray Sums	60.80%	Medium
1509	Minimum Difference Between Largest and Smallest Value in Three Moves	52.30%	Medium
1510	Stone Game IV	58.90%	Hard	x
1511	Customer Order Frequency	73.70%	Easy	x
1512	Number of Good Pairs	87.70%	Easy	x
1513	Number of Substrings With Only 1s	41.90%	Medium
1514	Path with Maximum Probability	40.60%	Medium
1515	Best Position for a Service Centre	37.80%	Hard
1516	Move Sub-Tree of N-Ary Tree	63.90%	Hard
1517	Find Users With Valid E-Mails	71.20%	Easy	x
1518	Water Bottles	60.50%	Easy	x
1519	Number of Nodes in the Sub-Tree With the Same Label	37.10%	Medium
1520	Maximum Number of Non-Overlapping Substrings	36.30%	Hard
1521	Find a Value of a Mysterious Function Closest to Target	44.30%	Hard
1522	Diameter of N-Ary Tree	68.90%	Medium
1523	Count Odd Numbers in an Interval Range	54.50%	Easy	x
1524	Number of Sub-arrays With Odd Sum	40.00%	Medium
1525	Number of Good Ways to Split a String	66.50%	Medium
1526	Minimum Number of Increments on Subarrays to Form a Target Array	60.00%	Hard
1527	Patients With a Condition	65.70%	Easy	x
1528	Shuffle String	85.60%	Easy	x
1529	Bulb Switcher IV	70.80%	Medium
1530	Number of Good Leaf Nodes Pairs	56.20%	Medium
1531	String Compression II	33.90%	Hard
1532	The Most Recent Three Orders	72.80%	Medium	x
1533	Find the Index of the Large Integer	54.70%	Medium	x
1534	Count Good Triplets	80.30%	Easy	x
1535	Find the Winner of an Array Game	47.60%	Medium
1536	Minimum Swaps to Arrange a Binary Grid	43.40%	Medium
1537	Get the Maximum Score	36.40%	Hard
1538	Guess the Majority in a Hidden Array	61.00%	Medium
1539	Kth Missing Positive Number	55.00%	Easy	x
1540	Can Convert String in K Moves	31.00%	Medium
1541	Minimum Insertions to Balance a Parentheses String	42.80%	Medium
1542	Find Longest Awesome Substring	36.70%	Hard
1543	Fix Product Name Format	67.30%	Easy	x
1544	Make The String Great	55.50%	Easy	x
1545	Find Kth Bit in Nth Binary String	57.50%	Medium
1546	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target	43.80%	Medium
1547	Minimum Cost to Cut a Stick	52.80%	Hard
1548	The Most Similar Path in a Graph	54.30%	Hard
1549	The Most Recent Orders for Each Product	66.90%	Medium	x
1550	Three Consecutive Odds	64.70%	Easy	x
1551	Minimum Operations to Make Array Equal	77.90%	Medium
1552	Magnetic Force Between Two Balls	48.90%	Medium
1553	Minimum Number of Days to Eat N Oranges	29.70%	Hard
1554	Strings Differ by One Character	63.50%	Medium
1555	Bank Account Summary	52.80%	Medium	x
1556	Thousand Separator	57.50%	Easy	x
1557	Minimum Number of Vertices to Reach All Nodes	75.50%	Medium
1558	Minimum Numbers of Function Calls to Make Target Array	63.40%	Medium
1559	Detect Cycles in 2D Grid	44.60%	Hard
1560	Most Visited Sector in a Circular Track	57.00%	Easy	x
1561	Maximum Number of Coins You Can Get	77.50%	Medium	x
1562	Find Latest Group of Size M	39.50%	Medium	x
1563	Stone Game V	39.90%	Hard	x
1564	Put Boxes Into the Warehouse I	66.00%	Medium
1565	Unique Orders and Customers Per Month	82.90%	Easy	x
1566	Detect Pattern of Length M Repeated K or More Times	42.50%	Easy	x
1567	Maximum Length of Subarray With Positive Product	36.70%	Medium	x
1568	Minimum Number of Days to Disconnect Island	50.20%	Hard
1569	Number of Ways to Reorder Array to Get Same BST	50.00%	Hard	x
1570	Dot Product of Two Sparse Vectors	91.20%	Medium	x
1571	Warehouse Manager	89.80%	Easy	x
1572	Matrix Diagonal Sum	77.80%	Easy	x
1573	Number of Ways to Split a String	31.20%	Medium	x
1574	Shortest Subarray to be Removed to Make Array Sorted	33.50%	Medium
1575	Count All Possible Routes	57.30%	Hard
1576	Replace All ?'s to Avoid Consecutive Repeating Characters	48.70%	Easy	x
1577	Number of Ways Where Square of Number Is Equal to Product of Two Numbers	37.50%	Medium
1578	Minimum Deletion Cost to Avoid Repeating Letters	60.50%	Medium
1579	Remove Max Number of Edges to Keep Graph Fully Traversable	46.20%	Hard	x
1580	Put Boxes Into the Warehouse II	62.20%	Medium
1581	Customer Who Visited but Did Not Make Any Transactions	89.60%	Easy	x
1582	Special Positions in a Binary Matrix	64.40%	Easy	x
1583	Count Unhappy Friends	54.50%	Medium
1584	Min Cost to Connect All Points	52.30%	Medium
1585	Check If String Is Transformable With Substring Sort Operations	48.30%	Hard
1586	Binary Search Tree Iterator II	66.60%	Medium
1587	Bank Account Summary II	89.80%	Easy	x
1588	Sum of All Odd Length Subarrays	81.60%	Easy	x
1589	Maximum Sum Obtained of Any Permutation	34.80%	Medium
1590	Make Sum Divisible by P	27.00%	Medium
1591	Strange Printer II	55.10%	Hard
1592	Rearrange Spaces Between Words	43.80%	Easy	x
1593	Split a String Into the Max Number of Unique Substrings	49.30%	Medium
1594	Maximum Non Negative Product in a Matrix	31.80%	Medium
1595	Minimum Cost to Connect Two Groups of Points	43.20%	Hard
1596	The Most Frequently Ordered Products for Each Customer	84.90%	Medium	x
1597	Build Binary Expression Tree From Infix Expression	60.20%	Hard
1598	Crawler Log Folder	63.90%	Easy	x
1599	Maximum Profit of Operating a Centennial Wheel	43.70%	Medium	x
1600	Throne Inheritance	60.50%	Medium	x
1601	Maximum Number of Achievable Transfer Requests	47.80%	Hard	x
1602	Find Nearest Right Node in Binary Tree	73.70%	Medium
1603	Design Parking System	86.30%	Easy	x
1604	Alert Using Same Key-Card Three or More Times in a One Hour Period	42.60%	Medium
1605	Find Valid Matrix Given Row and Column Sums	77.20%	Medium
1606	Find Servers That Handled Most Number of Requests	37.20%	Hard
1607	Sellers With No Sales	55.40%	Easy	x
1608	Special Array With X Elements Greater Than or Equal X	61.40%	Easy	x
1609	Even Odd Tree	52.60%	Medium	x
1610	Maximum Number of Visible Points	29.80%	Hard	x
1611	Minimum One Bit Operations to Make Integers Zero	57.20%	Hard	x
1612	Check If Two Expression Trees are Equivalent	69.80%	Medium
1613	Find the Missing IDs	74.00%	Medium	x
1614	Maximum Nesting Depth of the Parentheses	82.80%	Easy	x
1615	Maximal Network Rank	52.30%	Medium
1616	Split Two Strings to Make Palindrome	36.10%	Medium
1617	Count Subtrees With Max Distance Between Cities	63.10%	Hard
1618	Maximum Font to Fit a Sentence in a Screen	56.20%	Medium
1619	Mean of Array After Removing Some Elements	65.00%	Easy	x
1620	Coordinate With Maximum Network Quality	37.10%	Medium	x
1621	Number of Sets of K Non-Overlapping Line Segments	41.30%	Medium
1622	Fancy Sequence	15.00%	Hard
1623	All Valid Triplets That Can Represent a Country	88.50%	Easy	x
1624	Largest Substring Between Two Equal Characters	58.70%	Easy	x
1625	Lexicographically Smallest String After Applying Operations	64.20%	Medium
1626	Best Team With No Conflicts	38.10%	Medium
1627	Graph Connectivity With Threshold	39.10%	Hard
1628	Design an Expression Tree With Evaluate Function	80.50%	Medium
1629	Slowest Key	59.10%	Easy	x
1630	Arithmetic Subarrays	77.50%	Medium
1631	Path With Minimum Effort	50.10%	Medium	x
1632	Rank Transform of a Matrix	30.80%	Hard
1633	Percentage of Users Attended a Contest	71.00%	Easy	x
1634	Add Two Polynomials Represented as Linked Lists	55.20%	Medium
1635	Hopper Company Queries I	55.60%	Hard	x
1636	Sort Array by Increasing Frequency	66.80%	Easy	x
1637	Widest Vertical Area Between Two Points Containing No Points	83.50%	Medium
1638	Count Substrings That Differ by One Character	69.50%	Medium
1639	Number of Ways to Form a Target String Given a Dictionary	39.70%	Hard
1640	Check Array Formation Through Concatenation	59.90%	Easy	x
1641	Count Sorted Vowel Strings	76.20%	Medium
1642	Furthest Building You Can Reach	50.30%	Medium
1643	Kth Smallest Instructions	44.00%	Hard
1644	Lowest Common Ancestor of a Binary Tree II	56.50%	Medium
1645	Hopper Company Queries II	37.60%	Hard	x
1646	Get Maximum in Generated Array	53.30%	Easy	x
1647	Minimum Deletions to Make Character Frequencies Unique	54.60%	Medium
1648	Sell Diminishing-Valued Colored Balls	30.60%	Medium
1649	Create Sorted Array through Instructions	36.40%	Hard
1650	Lowest Common Ancestor of a Binary Tree III	76.40%	Medium
1651	Hopper Company Queries III	65.80%	Hard	x
1652	Defuse the Bomb	62.50%	Easy	x
1653	Minimum Deletions to Make String Balanced	51.40%	Medium
1654	Minimum Jumps to Reach Home	25.60%	Medium
1655	Distribute Repeating Integers	39.90%	Hard
1656	Design an Ordered Stream	82.10%	Easy	x
1657	Determine if Two Strings Are Close	55.40%	Medium
1658	Minimum Operations to Reduce X to Zero	33.40%	Medium
1659	Maximize Grid Happiness	35.60%	Hard
1660	Correct a Binary Tree	77.20%	Medium
1661	Average Time of Process per Machine	79.30%	Easy	x
1662	Check If Two String Arrays are Equivalent	82.90%	Easy	x
1663	Smallest String With A Given Numeric Value	64.30%	Medium	x
1664	Ways to Make a Fair Array	62.00%	Medium
1665	Minimum Initial Energy to Finish Tasks	66.00%	Hard
1666	Change the Root of a Binary Tree	67.50%	Medium
1667	Fix Names in a Table	63.20%	Easy	x
1668	Maximum Repeating Substring	38.80%	Easy	x
1669	Merge In Between Linked Lists	76.30%	Medium
1670	Design Front Middle Back Queue	54.20%	Medium
1671	Minimum Number of Removals to Make Mountain Array	45.70%	Hard
1672	Richest Customer Wealth	88.20%	Easy	x
1673	Find the Most Competitive Subsequence	45.40%	Medium
1674	Minimum Moves to Make Array Complementary	34.90%	Medium
1675	Minimize Deviation in Array	48.30%	Hard	x
1676	Lowest Common Ancestor of a Binary Tree IV	79.30%	Medium
1677	Product's Worth Over Invoices	73.50%	Easy	x
1678	Goal Parser Interpretation	85.40%	Easy	x
1679	Max Number of K-Sum Pairs	54.00%	Medium
1680	Concatenation of Consecutive Binary Numbers	52.30%	Medium	x
1681	Minimum Incompatibility	35.60%	Hard
1682	Longest Palindromic Subsequence II	51.40%	Medium
1683	Invalid Tweets	90.80%	Easy	x
1684	Count the Number of Consistent Strings	82.30%	Easy	x
1685	Sum of Absolute Differences in a Sorted Array	62.80%	Medium
1686	Stone Game VI	49.60%	Medium
1687	Delivering Boxes from Storage to Ports	34.90%	Hard
1688	Count of Matches in Tournament	81.50%	Easy	x
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	87.20%	Medium
1690	Stone Game VII	48.30%	Medium
1691	Maximum Height by Stacking Cuboids	50.10%	Hard
1692	Count Ways to Distribute Candies	62.40%	Hard
1693	Daily Leads and Partners	91.00%	Easy	x
1694	Reformat Phone Number	65.60%	Easy	x
1695	Maximum Erasure Value	49.60%	Medium
1696	Jump Game VI	53.00%	Medium
1697	Checking Existence of Edge Length Limited Paths	54.50%	Hard
1698	Number of Distinct Substrings in a String	59.80%	Medium	x
1699	Number of Calls Between Two Persons	86.60%	Medium	x
1700	Number of Students Unable to Eat Lunch	68.20%	Easy	x
1701	Average Waiting Time	61.50%	Medium
1702	Maximum Binary String After Change	60.00%	Medium
1703	Minimum Adjacent Swaps for K Consecutive Ones	39.70%	Hard
1704	Determine if String Halves Are Alike	77.00%	Easy	x
1705	Maximum Number of Eaten Apples	42.00%	Medium
1706	Where Will the Ball Fall	60.00%	Medium
1707	Maximum XOR With an Element From Array	46.80%	Hard
1708	Largest Subarray Length K	62.90%	Easy	x
1709	Biggest Window Between Visits	82.50%	Medium	x
1710	Maximum Units on a Truck	70.30%	Easy	x
1711	Count Good Meals	26.00%	Medium
1712	Ways to Split Array Into Three Subarrays	29.50%	Medium
1713	Minimum Operations to Make a Subsequence	45.50%	Hard
1714	Sum Of Special Evenly-Spaced Elements In Array	48.30%	Hard
1715	Count Apples and Oranges	79.80%	Medium	x
1716	Calculate Money in Leetcode Bank	66.50%	Easy	x
1717	Maximum Score From Removing Substrings	40.40%	Medium
1718	Construct the Lexicographically Largest Valid Sequence	46.30%	Medium
1719	Number Of Ways To Reconstruct A Tree	39.50%	Hard
1720	Decode XORed Array	85.30%	Easy	x
1721	Swapping Nodes in a Linked List	64.60%	Medium
1722	Minimize Hamming Distance After Swap Operations	54.50%	Medium
1723	Find Minimum Time to Finish All Jobs	43.80%	Hard
1724	Checking Existence of Edge Length Limited Paths II	56.50%	Hard
1725	Number Of Rectangles That Can Form The Largest Square	77.90%	Easy	x
1726	Tuple with Same Product	56.10%	Medium
1727	Largest Submatrix With Rearrangements	58.50%	Medium
1728	Cat and Mouse II	41.10%	Hard
1729	Find Followers Count	71.80%	Easy	x
1730	Shortest Path to Get Food	57.20%	Medium
1731	The Number of Employees Which Report to Each Employee	49.30%	Easy	x
1732	Find the Highest Altitude	80.60%	Easy	x
1733	Minimum Number of People to Teach	37.20%	Medium
1734	Decode XORed Permutation	52.50%	Medium
1735	Count Ways to Make Array With Product	48.30%	Hard
1736	Latest Time by Replacing Hidden Digits	41.10%	Easy	x
1737	Change Minimum Characters to Satisfy One of Three Conditions	29.60%	Medium
1738	Find Kth Largest XOR Coordinate Value	62.00%	Medium
1739	Building Boxes	49.60%	Hard
1740	Find Distance in a Binary Tree	69.30%	Medium	x
1741	Find Total Time Spent by Each Employee	91.10%	Easy	x
1742	Maximum Number of Balls in a Box	74.60%	Easy	x
1743	Restore the Array From Adjacent Pairs	63.00%	Medium
1744	Can You Eat Your Favorite Candy on Your Favorite Day?	30.40%	Medium
1745	Palindrome Partitioning IV	49.20%	Hard
1746	Maximum Subarray Sum After One Operation	63.10%	Medium	x
1747	Leetflex Banned Accounts	70.00%	Medium	x
1748	Sum of Unique Elements	75.50%	Easy	x
1749	Maximum Absolute Sum of Any Subarray	51.60%	Medium
1750	Minimum Length of String After Deleting Similar Ends	42.50%	Medium
1751	Maximum Number of Events That Can Be Attended II	47.50%	Hard
1752	Check if Array Is Sorted and Rotated	63.30%	Easy	x
1753	Maximum Score From Removing Stones	61.20%	Medium
1754	Largest Merge Of Two Strings	40.00%	Medium
1755	Closest Subsequence Sum	35.70%	Hard
1756	Design Most Recently Used Queue	77.90%	Medium
1757	Recyclable and Low Fat Products	96.00%	Easy	x
1758	Minimum Changes To Make Alternating Binary String	58.90%	Easy	x
1759	Count Number of Homogenous Substrings	41.90%	Medium
1760	Minimum Limit of Balls in a Bag	52.10%	Medium
1761	Minimum Degree of a Connected Trio in a Graph	37.20%	Hard
1762	Buildings With an Ocean View	81.70%	Medium
1763	Longest Nice Substring	61.80%	Easy	x
1764	Form Array by Concatenating Subarrays of Another Array	55.40%	Medium
1765	Map of Highest Peak	54.40%	Medium
1766	Tree of Coprimes	36.60%	Hard
1767	Find the Subtasks That Did Not Execute	87.50%	Hard	x
1768	Merge Strings Alternately	77.40%	Easy	x
1769	Minimum Number of Operations to Move All Balls to Each Box	87.60%	Medium
1770	Maximum Score from Performing Multiplication Operations	28.90%	Medium
1771	Maximize Palindrome Length From Subsequences	34.10%	Hard
1772	Sort Features by Popularity	66.20%	Medium
1773	Count Items Matching a Rule	86.50%	Easy	x
1774	Closest Dessert Cost	59.90%	Medium
1775	Equal Sum Arrays With Minimum Number of Operations	50.60%	Medium
1776	Car Fleet II	43.80%	Hard
1777	Product's Price for Each Store	87.30%	Easy	x
1778	Shortest Path in a Hidden Grid New	44.30%	Medium
1779	Find Nearest Point That Has the Same X or Y Coordinate	68.30%	Easy	x
1780	Check if Number is a Sum of Powers of Three	63.30%	Medium
1781	Sum of Beauty of All Substrings	47.40%	Medium
1782	Count Pairs Of Nodes	30.50%	Hard
1783	Grand Slam Titles New	93.30%	Medium	x
1784	Check if Binary String Has at Most One Segment of Ones	42.50%	Easy	x
1785	Minimum Elements to Add to Form a Given Sum	38.70%	Medium
1786	Number of Restricted Paths From First to Last Node	35.70%	Medium
1787	Make the XOR of All Segments Equal to Zero	33.80%	Hard
1788	Maximize the Beauty of the Garden New	77.30%	Hard

Problem List (As of 2020/10/10) - 705/1617 Solved
Problem List (As of 2020/10/20) - 736/1621 Solved
Problem List (As of 2020/10/26) - 759/1633 Solved
Problem List (As of 2020/10/31) - 768/1634 Solved
Problem List (As of 2020/11/13) - 778/1651 Solved
Problem List (As of 2020/11/24) - 788/1661 Solved
Problem List (As of 2020/12/17) - 801/1691 Solved
Problem List (As of 2021/02/06) - 831/1751 Solved
Problem List (As of 2021/02/19) - 853/1762 Solved
Problem List (As of 2021/03/01) - 874/1777 Solved
Problem List (As of 2021/03/03) - 879/1777 Solved
Problem List (As of 2021/03/04) - 891/1777 Solved
Problem List (As of 2021/03/08) - 914/1782 Solved
Problem List (As of 2021/03/11) - 928/1788 Solved
Problem List (As of 2021/03/11) - 943/1793 Solved
Problem List (As of 2021/03/25) - 974/1804 Solved
Problem List (As of 2021/04/01) - 993/1808 Solved
Problem List (As of 2021/04/11) - 1021/1825 Solved

Name		Name	Last commit message	Last commit date
Latest commit History 1,126 Commits
.VSCodeCounter/2021-04-07_20-56-55		.VSCodeCounter/2021-04-07_20-56-55
Algorithms_easy		Algorithms_easy
Algorithms_hard		Algorithms_hard
Algorithms_medium		Algorithms_medium
Concurrency		Concurrency
Contest		Contest
Cracking_the_Coding_Interview		Cracking_the_Coding_Interview
SQL		SQL
Shell		Shell
misc		misc
null/scalameta/metals/cache		null/scalameta/metals/cache
.gitignore		.gitignore
README.md		README.md

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