LeetCode

LeetCode Algorithm

#	Title	Leetcode Solution	Solution	Percentage	Difficulty
1	Two Sum	Solution	Java	46.2%	Easy
2	Add Two Numbers	Solution	Java	35.2%	Medium
3	Longest Substring Without Repeating Characters	Solution	Java	31.3%	Medium
4	Median of Two Sorted Arrays	Solution	Java	30.8%	Hard
5	Longest Palindromic Substring	Solution	Java	30.2%	Medium
6	ZigZag Conversion	Solution	Java	37.6%	Medium
7	Reverse Integer	Solution	Java	25.9%	Easy
8	String to Integer (atoi)	Solution	Java	15.6%	Medium
9	Palindrome Number	Solution	Java	49.5%	Easy
10	Regular Expression Matching	Solution	Java	27.2%	Hard
11	Container With Most Water	Solution	Java	52.2%	Medium
12	Integer to Roman	Solution	Java	55.9%	Medium
13	Roman to Integer	Solution	Java	56.4%	Easy
14	Longest Common Prefix	Solution	Java	36.0%	Easy
15	3Sum	Solution	Java	27.8%	Medium
16	3Sum Closest	Solution	Java	46.3%	Medium
17	Letter Combinations of a Phone Number	Solution	Java	48.7%	Medium
18	4Sum	Solution	Java	34.6%	Medium
19	Remove Nth Node From End of List	Solution	Java	35.6%	Medium
20	Valid Parentheses	Solution	Java	39.6%	Easy
21	Merge Two Sorted Lists	Solution	Java	55.7%	Easy
22	Generate Parentheses	Solution	Java	64.8%	Medium
23	Merge k Sorted Lists	Solution	Java	42.0%	Hard
24	Swap Nodes in Pairs	Solution	Java	52.7%	Medium
25	Reverse Nodes in k-Group	Solution	Java	44.3%	Hard
26	Remove Duplicates from Sorted Array	Solution	Java	46.4%	Easy
27	Remove Element	Solution	Java	49.0%	Easy
28	Implement strStr()	Solution	Java	35.1%	Easy
29	Divide Two Integers	Solution	Java	16.6%	Medium
30	Substring with Concatenation of All Words		Java	26.0%	Hard
31	Next Permutation	Solution	Java	33.3%	Medium
32	Longest Valid Parentheses	Solution	Java	29.1%	Hard
33	Search in Rotated Sorted Array	Solution	Java	35.7%	Medium
34	Find First and Last Position of Element in Sorted Array	Solution	Java	37.1%	Medium
35	Search Insert Position	Solution	Java	42.8%	Easy
36	Valid Sudoku	Solution	Java	50.2%	Medium
37	Sudoku Solver	Solution	Java	46.0%	Hard
38	Count and Say	Solution	Java	45.8%	Easy
39	Combination Sum	Solution	Java	58.8%	Medium
40	Combination Sum II	Solution	Java	49.9%	Medium
41	First Missing Positive	Solution	Java	33.4%	Hard
42	Trapping Rain Water	Solution	Java	50.8%	Hard
43	Multiply Strings		Java	34.8%	Medium
44	Wildcard Matching	Solution	Java	25.3%	Hard
45	Jump Game II	Solution	Java	31.3%	Hard
46	Permutations	Solution	Java	66.1%	Medium
47	Permutations II	Solution	Java	49.0%	Medium
48	Rotate Image	Solution	Java	59.4%	Medium
49	Group Anagrams	Solution	Java	58.9%	Medium
50	Pow(x, n)	Solution	Java	30.8%	Medium
51	N-Queens	Solution	Java	49.1%	Hard
52	N-Queens II	Solution	Java	59.8%	Hard
53	Maximum Subarray	Solution	Java	47.6%	Easy
54	Spiral Matrix	Solution	Java	35.6%	Medium
55	Jump Game	Solution	Java	35.1%	Medium
56	Merge Intervals	Solution	Java	40.7%	Medium
57	Insert Interval	Solution	Java	34.9%	Medium
58	Length of Last Word	Solution	Java	33.4%	Easy
59	Spiral Matrix II	Solution	Java	57.4%	Medium
60	Permutation Sequence	Solution	Java	39.2%	Hard
61	Rotate List	Solution	Java	31.6%	Medium
62	Unique Paths	Solution	Java	55.7%	Medium
63	Unique Paths II	Solution	Java	35.1%	Medium
64	Minimum Path Sum	Solution	Java	55.9%	Medium
65	Valid Number		Java	15.7%	Hard
66	Plus One	Solution	Java	42.5%	Easy
67	Add Binary	Solution	Java	46.6%	Easy
68	Text Justification		Java	29.3%	Hard
69	Sqrt(x)	Solution	Java	34.9%	Easy
70	Climbing Stairs	Solution	Java	48.5%	Easy
71	Simplify Path	Solution	Java	33.6%	Medium
72	Edit Distance	Solution	Java	46.4%	Hard
73	Set Matrix Zeroes	Solution	Java	44.1%	Medium
74	Search a 2D Matrix	Solution	Java	37.4%	Medium
75	Sort Colors	Solution	Java	49.0%	Medium
76	Minimum Window Substring	Solution	Java	35.7%	Hard
77	Combinations	Solution	Java	57.0%	Medium
78	Subsets	Solution	Java	64.5%	Medium
79	Word Search	Solution	Java	36.6%	Medium
80	Remove Duplicates from Sorted Array II	Solution	Java	45.9%	Medium
81	Search in Rotated Sorted Array II	Solution	Java	33.5%	Medium
82	Remove Duplicates from Sorted List II	Solution	Java	39.0%	Medium
83	Remove Duplicates from Sorted List	Solution	Java	46.3%	Easy
84	Largest Rectangle in Histogram	Solution	Java	36.8%	Hard
85	Maximal Rectangle	Solution	Java	39.2%	Hard
86	Partition List	Solution	Java	43.0%	Medium
87	Scramble String		Java	34.5%	Hard
88	Merge Sorted Array	Solution	Java	40.6%	Easy
89	Gray Code		Java	50.1%	Medium
90	Subsets II		Java	48.5%	Medium
91	Decode Ways	Solution	Java	26.2%	Medium
92	Reverse Linked List II	Solution	Java	40.3%	Medium
93	Restore IP Addresses	Solution	Java	37.2%	Medium
94	Binary Tree Inorder Traversal	Solution	Java	65.4%	Medium
95	Unique Binary Search Trees II	Solution	Java	42.1%	Medium
96	Unique Binary Search Trees	Solution	Java	54.2%	Medium
97	Interleaving String	Solution	Java	32.4%	Hard
98	Validate Binary Search Tree	Solution	Java	28.6%	Medium
99	Recover Binary Search Tree	Solution	Java	42.2%	Hard
100	Same Tree	Solution	Java	54.0%	Easy
101	Symmetric Tree	Solution	Java	47.9%	Easy
102	Binary Tree Level Order Traversal	Solution	Java	56.3%	Medium
103	Binary Tree Zigzag Level Order Traversal	Solution	Java	49.8%	Medium
104	Maximum Depth of Binary Tree	Solution	Java	67.8%	Easy
105	Construct Binary Tree from Preorder and Inorder Traversal	Solution	Java	51.3%	Medium
106	Construct Binary Tree from Inorder and Postorder Traversal	Solution	Java	49.2%	Medium
107	Binary Tree Level Order Traversal II	Solution	Java	54.9%	Easy
108	Convert Sorted Array to Binary Search Tree	Solution	Java	60.0%	Easy
109	Convert Sorted List to Binary Search Tree	Solution	Java	49.8%	Medium
110	Balanced Binary Tree	Solution	Java	44.6%	Easy
111	Minimum Depth of Binary Tree	Solution	Java	39.2%	Easy
112	Path Sum	Solution	Java	42.1%	Easy
113	Path Sum II	Solution	Java	48.7%	Medium
114	Flatten Binary Tree to Linked List	Solution	Java	51.5%	Medium
115	Distinct Subsequences	Solution	Java	39.4%	Hard
116	Populating Next Right Pointers in Each Node	Solution	Java	48.5%	Medium
117	Populating Next Right Pointers in Each Node II	Solution	Java	41.7%	Medium
118	Pascal's Triangle	Solution	Java	54.4%	Easy
119	Pascal's Triangle II	Solution	Java	51.9%	Easy
120	Triangle		Java	45.5%	Medium
121	Best Time to Buy and Sell Stock	Solution	Java	51.3%	Easy
122	Best Time to Buy and Sell Stock II	Solution	Java	58.3%	Easy
123	Best Time to Buy and Sell Stock III	Solution	Java	39.7%	Hard
124	Binary Tree Maximum Path Sum	Solution	Java	35.3%	Hard
125	Valid Palindrome	Solution	Java	37.9%	Easy
126	Word Ladder II		Java	23.4%	Hard
127	Word Ladder	Solution	Java	31.5%	Hard
128	Longest Consecutive Sequence	Solution	Java	46.1%	Hard
129	Sum Root to Leaf Numbers	Solution	Java	50.6%	Medium
130	Surrounded Regions	Solution	Java	29.2%	Medium
131	Palindrome Partitioning	Solution	Java	51.4%	Medium
132	Palindrome Partitioning II		Java	31.0%	Hard
133	Clone Graph	Solution	Java	38.5%	Medium
134	Gas Station	Solution	Java	41.0%	Medium
135	Candy	Solution	Java	32.8%	Hard
136	Single Number	Solution	Java	66.4%	Easy
137	Single Number II	Solution	Java	53.5%	Medium
138	Copy List with Random Pointer	Solution	Java	39.5%	Medium
139	Word Break	Solution	Java	41.5%	Medium
140	Word Break II	Solution	Java	34.3%	Hard
141	Linked List Cycle	Solution	Java	42.2%	Easy
142	Linked List Cycle II	Solution	Java	39.3%	Medium
143	Reorder List	Solution	Java	40.3%	Medium
144	Binary Tree Preorder Traversal	Solution	Java	57.2%	Medium
145	Binary Tree Postorder Traversal	Solution	Java	57.1%	Medium
146	LRU Cache	Solution	Java	35.3%	Medium
147	Insertion Sort List	Solution	Java	44.1%	Medium
148	Sort List	Solution	Java	45.9%	Medium
149	Max Points on a Line	Solution	Java	17.3%	Hard
150	Evaluate Reverse Polish Notation	Solution	Java	37.6%	Medium
151	Reverse Words in a String	Solution	Java	23.3%	Medium
152	Maximum Product Subarray	Solution	Java	32.6%	Medium
153	Find Minimum in Rotated Sorted Array	Solution	Java	45.9%	Medium
154	Find Minimum in Rotated Sorted Array II	Solution	Java	41.9%	Hard
155	Min Stack	Solution	Java	46.0%	Easy
156	Binary Tree Upside Down		Java	56.1%	Medium
157	Read N Characters Given Read4	Solution	Java	36.9%	Easy
158	Read N Characters Given Read4 II - Call multiple times		Java	36.4%	Hard
159	Longest Substring with At Most Two Distinct Characters	Solution	Java	50.3%	Medium
160	Intersection of Two Linked Lists	Solution	Java	42.7%	Easy
161	One Edit Distance	Solution	Java	32.8%	Medium
162	Find Peak Element	Solution	Java	43.8%	Medium
163	Missing Ranges	Solution	Java	26.5%	Easy
164	Maximum Gap	Solution	Java	36.6%	Hard
165	Compare Version Numbers	Solution	Java	30.1%	Medium
166	Fraction to Recurring Decimal	Solution	Java	22.2%	Medium
167	Two Sum II - Input array is sorted	Solution	Java	55.4%	Easy
168	Excel Sheet Column Title		Java	31.6%	Easy
169	Majority Element	Solution	Java	59.9%	Easy
170	Two Sum III - Data structure design	Solution	Java	34.7%	Easy
171	Excel Sheet Column Number	Solution	Java	56.7%	Easy
172	Factorial Trailing Zeroes	Solution	Java	38.4%	Easy
173	Binary Search Tree Iterator	Solution	Java	59.7%	Medium
174	Dungeon Game	Solution	Java	33.2%	Hard
175	Combine Two Tables	Solution	Java	63.5%	Easy
176	Second Highest Salary	Solution	Java	33.0%	Easy
177	Nth Highest Salary		Java	32.9%	Medium
178	Rank Scores		Java	49.3%	Medium
179	Largest Number	Solution	Java	30.4%	Medium
180	Consecutive Numbers	Solution	Java	41.7%	Medium
181	Employees Earning More Than Their Managers	Solution	Java	59.7%	Easy
182	Duplicate Emails	Solution	Java	64.1%	Easy
183	Customers Who Never Order	Solution	Java	56.2%	Easy
184	Department Highest Salary	Solution	Java	39.4%	Medium
185	Department Top Three Salaries	Solution	Java	38.1%	Hard
186	Reverse Words in a String II	Solution	Java	45.1%	Medium
187	Repeated DNA Sequences	Solution	Java	41.2%	Medium
188	Best Time to Buy and Sell Stock IV	Solution	Java	29.3%	Hard
189	Rotate Array	Solution	Java	36.4%	Medium
190	Reverse Bits	Solution	Java	41.7%	Easy
191	Number of 1 Bits	Solution	Java	52.0%	Easy
192	Word Frequency		Java	25.8%	Medium
193	Valid Phone Numbers		Java	25.4%	Easy
194	Transpose File		Java	24.5%	Medium
195	Tenth Line		Java	32.9%	Easy
196	Delete Duplicate Emails	Solution	Java	44.4%	Easy
197	Rising Temperature	Solution	Java	39.6%	Easy
198	House Robber	Solution	Java	42.7%	Medium
199	Binary Tree Right Side View	Solution	Java	55.7%	Medium
200	Number of Islands	Solution	Java	48.6%	Medium
201	Bitwise AND of Numbers Range	Solution	Java	39.6%	Medium
202	Happy Number	Solution	Java	51.1%	Easy
203	Remove Linked List Elements	Solution	Java	39.0%	Easy
204	Count Primes		Java	32.1%	Easy
205	Isomorphic Strings		Java	40.4%	Easy
206	Reverse Linked List	Solution	Java	64.8%	Easy
207	Course Schedule	Solution	Java	44.2%	Medium
208	Implement Trie (Prefix Tree)	Solution	Java	51.6%	Medium
209	Minimum Size Subarray Sum	Solution	Java	39.2%	Medium
210	Course Schedule II	Solution	Java	42.3%	Medium
211	Design Add and Search Words Data Structure	Solution	Java	39.8%	Medium
212	Word Search II	Solution	Java	36.6%	Hard
213	House Robber II	Solution	Java	37.4%	Medium
214	Shortest Palindrome	Solution	Java	30.5%	Hard
215	Kth Largest Element in an Array	Solution	Java	58.0%	Medium
216	Combination Sum III	Solution	Java	59.9%	Medium
217	Contains Duplicate	Solution	Java	56.5%	Easy
218	The Skyline Problem	Solution	Java	36.1%	Hard
219	Contains Duplicate II	Solution	Java	38.5%	Easy
220	Contains Duplicate III	Solution	Java	21.3%	Medium
221	Maximal Square	Solution	Java	38.8%	Medium
222	Count Complete Tree Nodes	Solution	Java	48.8%	Medium
223	Rectangle Area		Java	38.1%	Medium
224	Basic Calculator	Solution	Java	38.0%	Hard
225	Implement Stack using Queues	Solution	Java	46.9%	Easy
226	Invert Binary Tree	Solution	Java	66.6%	Easy
227	Basic Calculator II	Solution	Java	38.3%	Medium
228	Summary Ranges	Solution	Java	42.1%	Easy
229	Majority Element II	Solution	Java	38.5%	Medium
230	Kth Smallest Element in a BST	Solution	Java	62.2%	Medium
231	Power of Two	Solution	Java	43.8%	Easy
232	Implement Queue using Stacks	Solution	Java	51.6%	Easy
233	Number of Digit One	Solution	Java	31.7%	Hard
234	Palindrome Linked List	Solution	Java	40.2%	Easy
235	Lowest Common Ancestor of a Binary Search Tree	Solution	Java	51.4%	Easy
236	Lowest Common Ancestor of a Binary Tree	Solution	Java	48.2%	Medium
237	Delete Node in a Linked List	Solution	Java	66.3%	Easy
238	Product of Array Except Self	Solution	Java	61.2%	Medium
239	Sliding Window Maximum	Solution	Java	44.5%	Hard
240	Search a 2D Matrix II	Solution	Java	44.2%	Medium
241	Different Ways to Add Parentheses		Java	57.0%	Medium
242	Valid Anagram	Solution	Java	58.0%	Easy
243	Shortest Word Distance	Solution	Java	61.8%	Easy
244	Shortest Word Distance II	Solution	Java	53.6%	Medium
245	Shortest Word Distance III		Java	55.8%	Medium
246	Strobogrammatic Number	Solution	Java	45.7%	Easy
247	Strobogrammatic Number II		Java	48.3%	Medium
248	Strobogrammatic Number III		Java	40.1%	Hard
249	Group Shifted Strings		Java	57.6%	Medium
250	Count Univalue Subtrees	Solution	Java	53.1%	Medium
251	Flatten 2D Vector	Solution	Java	46.2%	Medium
252	Meeting Rooms	Solution	Java	55.3%	Easy
253	Meeting Rooms II	Solution	Java	46.6%	Medium
254	Factor Combinations		Java	47.2%	Medium
255	Verify Preorder Sequence in Binary Search Tree		Java	46.1%	Medium
256	Paint House	Solution	Java	53.3%	Medium
257	Binary Tree Paths	Solution	Java	53.2%	Easy
258	Add Digits	Solution	Java	58.4%	Easy
259	3Sum Smaller	Solution	Java	48.7%	Medium
260	Single Number III	Solution	Java	65.2%	Medium
261	Graph Valid Tree	Solution	Java	43.0%	Medium
262	Trips and Users		Java	35.5%	Hard
263	Ugly Number		Java	41.7%	Easy
264	Ugly Number II	Solution	Java	42.7%	Medium
265	Paint House II	Solution	Java	45.4%	Hard
266	Palindrome Permutation	Solution	Java	62.5%	Easy
267	Palindrome Permutation II	Solution	Java	37.3%	Medium
268	Missing Number	Solution	Java	53.4%	Easy
269	Alien Dictionary	Solution	Java	33.6%	Hard
270	Closest Binary Search Tree Value	Solution	Java	49.7%	Easy
271	Encode and Decode Strings	Solution	Java	32.5%	Medium
272	Closest Binary Search Tree Value II	Solution	Java	51.9%	Hard
273	Integer to English Words	Solution	Java	27.9%	Hard
274	H-Index	Solution	Java	36.3%	Medium
275	H-Index II	Solution	Java	36.2%	Medium
276	Paint Fence	Solution	Java	38.9%	Easy
277	Find the Celebrity	Solution	Java	43.2%	Medium
278	First Bad Version	Solution	Java	37.2%	Easy
279	Perfect Squares	Solution	Java	48.6%	Medium
280	Wiggle Sort	Solution	Java	64.5%	Medium
281	Zigzag Iterator	Solution	Java	59.2%	Medium
282	Expression Add Operators	Solution	Java	36.6%	Hard
283	Move Zeroes	Solution	Java	58.4%	Easy
284	Peeking Iterator	Solution	Java	47.4%	Medium
285	Inorder Successor in BST	Solution	Java	42.4%	Medium
286	Walls and Gates	Solution	Java	56.0%	Medium
287	Find the Duplicate Number	Solution	Java	57.2%	Medium
288	Unique Word Abbreviation	Solution	Java	22.8%	Medium
289	Game of Life	Solution	Java	57.8%	Medium
290	Word Pattern	Solution	Java	38.3%	Easy
291	Word Pattern II		Java	44.1%	Hard
292	Nim Game	Solution	Java	55.0%	Easy
293	Flip Game		Java	61.2%	Easy
294	Flip Game II		Java	50.5%	Medium
295	Find Median from Data Stream	Solution	Java	46.4%	Hard
296	Best Meeting Point	Solution	Java	58.1%	Hard
297	Serialize and Deserialize Binary Tree	Solution	Java	49.4%	Hard
298	Binary Tree Longest Consecutive Sequence	Solution	Java	47.8%	Medium
299	Bulls and Cows	Solution	Java	44.3%	Medium
300	Longest Increasing Subsequence	Solution	Java	43.7%	Medium
301	Remove Invalid Parentheses	Solution	Java	44.4%	Hard
302	Smallest Rectangle Enclosing Black Pixels	Solution	Java	52.3%	Hard
303	Range Sum Query - Immutable	Solution	Java	47.1%	Easy
304	Range Sum Query 2D - Immutable	Solution	Java	40.2%	Medium
305	Number of Islands II	Solution	Java	39.8%	Hard
306	Additive Number		Java	29.6%	Medium
307	Range Sum Query - Mutable	Solution	Java	36.5%	Medium
308	Range Sum Query 2D - Mutable	Solution	Java	37.2%	Hard
309	Best Time to Buy and Sell Stock with Cooldown	Solution	Java	48.0%	Medium
310	Minimum Height Trees	Solution	Java	34.5%	Medium
311	Sparse Matrix Multiplication		Java	63.6%	Medium
312	Burst Balloons	Solution	Java	53.6%	Hard
313	Super Ugly Number		Java	45.9%	Medium
314	Binary Tree Vertical Order Traversal	Solution	Java	46.7%	Medium
315	Count of Smaller Numbers After Self		Java	42.6%	Hard
316	Remove Duplicate Letters	Solution	Java	38.9%	Medium
317	Shortest Distance from All Buildings		Java	42.5%	Hard
318	Maximum Product of Word Lengths	Solution	Java	52.1%	Medium
319	Bulb Switcher		Java	45.3%	Medium
320	Generalized Abbreviation	Solution	Java	53.4%	Medium
321	Create Maximum Number		Java	27.4%	Hard
322	Coin Change	Solution	Java	36.9%	Medium
323	Number of Connected Components in an Undirected Graph		Java	57.4%	Medium
324	Wiggle Sort II		Java	30.6%	Medium
325	Maximum Size Subarray Sum Equals k		Java	47.3%	Medium
326	Power of Three	Solution	Java	42.1%	Easy
327	Count of Range Sum		Java	35.9%	Hard
328	Odd Even Linked List	Solution	Java	56.9%	Medium
329	Longest Increasing Path in a Matrix	Solution	Java	44.5%	Hard
330	Patching Array	Solution	Java	34.9%	Hard
331	Verify Preorder Serialization of a Binary Tree	Solution	Java	40.9%	Medium
332	Reconstruct Itinerary	Solution	Java	37.7%	Medium
333	Largest BST Subtree		Java	37.4%	Medium
334	Increasing Triplet Subsequence	Solution	Java	40.6%	Medium
335	Self Crossing		Java	28.6%	Hard
336	Palindrome Pairs	Solution	Java	34.4%	Hard
337	House Robber III	Solution	Java	51.7%	Medium
338	Counting Bits	Solution	Java	70.2%	Medium
339	Nested List Weight Sum	Solution	Java	76.1%	Easy
340	Longest Substring with At Most K Distinct Characters	Solution	Java	45.2%	Medium
341	Flatten Nested List Iterator	Solution	Java	54.2%	Medium
342	Power of Four	Solution	Java	41.6%	Easy
343	Integer Break		Java	51.1%	Medium
344	Reverse String	Solution	Java	70.0%	Easy
345	Reverse Vowels of a String		Java	44.9%	Easy
346	Moving Average from Data Stream	Solution	Java	72.9%	Easy
347	Top K Frequent Elements	Solution	Java	62.2%	Medium
348	Design Tic-Tac-Toe		Java	55.4%	Medium
349	Intersection of Two Arrays	Solution	Java	64.4%	Easy
350	Intersection of Two Arrays II	Solution	Java	51.9%	Easy
351	Android Unlock Patterns	Solution	Java	49.4%	Medium
352	Data Stream as Disjoint Intervals		Java	48.4%	Hard
353	Design Snake Game	Solution	Java	35.2%	Medium
354	Russian Doll Envelopes	Solution	Java	36.1%	Hard
355	Design Twitter		Java	31.2%	Medium
356	Line Reflection		Java	32.7%	Medium
357	Count Numbers with Unique Digits		Java	48.8%	Medium
358	Rearrange String k Distance Apart		Java	35.5%	Hard
359	Logger Rate Limiter	Solution	Java	72.0%	Easy
360	Sort Transformed Array		Java	49.5%	Medium
361	Bomb Enemy	Solution	Java	46.5%	Medium
362	Design Hit Counter	Solution	Java	65.0%	Medium
363	Max Sum of Rectangle No Larger Than K		Java	38.4%	Hard
364	Nested List Weight Sum II		Java	63.5%	Medium
365	Water and Jug Problem		Java	31.0%	Medium
366	Find Leaves of Binary Tree	Solution	Java	71.6%	Medium
367	Valid Perfect Square	Solution	Java	42.0%	Easy
368	Largest Divisible Subset	Solution	Java	38.2%	Medium
369	Plus One Linked List	Solution	Java	59.4%	Medium
370	Range Addition	Solution	Java	63.4%	Medium
371	Sum of Two Integers	Solution	Java	50.6%	Medium
372	Super Pow		Java	36.6%	Medium
373	Find K Pairs with Smallest Sums		Java	37.5%	Medium
374	Guess Number Higher or Lower	Solution	Java	44.4%	Easy
375	Guess Number Higher or Lower II	Solution	Java	41.9%	Medium
376	Wiggle Subsequence	Solution	Java	40.1%	Medium
377	Combination Sum IV	Solution	Java	45.9%	Medium
378	Kth Smallest Element in a Sorted Matrix	Solution	Java	55.9%	Medium
379	Design Phone Directory		Java	47.8%	Medium
380	Insert Delete GetRandom O(1)	Solution	Java	48.6%	Medium
381	Insert Delete GetRandom O(1) - Duplicates allowed	Solution	Java	34.7%	Hard
382	Linked List Random Node	Solution	Java	53.9%	Medium
383	Ransom Note	Solution	Java	53.2%	Easy
384	Shuffle an Array	Solution	Java	53.8%	Medium
385	Mini Parser		Java	34.3%	Medium
386	Lexicographical Numbers		Java	53.7%	Medium
387	First Unique Character in a String	Solution	Java	53.7%	Easy
388	Longest Absolute File Path		Java	42.5%	Medium
389	Find the Difference	Solution	Java	57.7%	Easy
390	Elimination Game		Java	44.9%	Medium
391	Perfect Rectangle		Java	31.0%	Hard
392	Is Subsequence	Solution	Java	49.5%	Easy
393	UTF-8 Validation	Solution	Java	37.9%	Medium
394	Decode String	Solution	Java	52.4%	Medium
395	Longest Substring with At Least K Repeating Characters	Solution	Java	43.4%	Medium
396	Rotate Function		Java	36.7%	Medium
397	Integer Replacement		Java	33.4%	Medium
398	Random Pick Index	Solution	Java	57.6%	Medium
399	Evaluate Division	Solution	Java	54.0%	Medium
400	Nth Digit		Java	32.3%	Medium
401	Binary Watch		Java	48.3%	Easy
402	Remove K Digits	Solution	Java	28.6%	Medium
403	Frog Jump	Solution	Java	41.1%	Hard
404	Sum of Left Leaves	Solution	Java	52.2%	Easy
405	Convert a Number to Hexadecimal		Java	44.4%	Easy
406	Queue Reconstruction by Height	Solution	Java	68.1%	Medium
407	Trapping Rain Water II		Java	43.8%	Hard
408	Valid Word Abbreviation		Java	31.3%	Easy
409	Longest Palindrome	Solution	Java	52.1%	Easy
410	Split Array Largest Sum	Solution	Java	46.1%	Hard
411	Minimum Unique Word Abbreviation		Java	37.1%	Hard
412	Fizz Buzz	Solution	Java	63.5%	Easy
413	Arithmetic Slices	Solution	Java	58.5%	Medium
414	Third Maximum Number	Solution	Java	30.6%	Easy
415	Add Strings	Solution	Java	48.1%	Easy
416	Partition Equal Subset Sum	Solution	Java	44.8%	Medium
417	Pacific Atlantic Water Flow		Java	42.3%	Medium
418	Sentence Screen Fitting		Java	33.0%	Medium
419	Battleships in a Board		Java	70.9%	Medium
420	Strong Password Checker		Java	13.8%	Hard
421	Maximum XOR of Two Numbers in an Array	Solution	Java	53.9%	Medium
422	Valid Word Square		Java	38.0%	Easy
423	Reconstruct Original Digits from English	Solution	Java	47.4%	Medium
424	Longest Repeating Character Replacement		Java	48.0%	Medium
425	Word Squares	Solution	Java	49.9%	Hard
426	Convert Binary Search Tree to Sorted Doubly Linked List	Solution	Java	60.9%	Medium
427	Construct Quad Tree		Java	62.4%	Medium
428	Serialize and Deserialize N-ary Tree	Solution	Java	61.2%	Hard
429	N-ary Tree Level Order Traversal	Solution	Java	66.4%	Medium
430	Flatten a Multilevel Doubly Linked List	Solution	Java	56.6%	Medium
431	Encode N-ary Tree to Binary Tree	Solution	Java	74.4%	Hard
432	All O`one Data Structure		Java	33.0%	Hard
433	Minimum Genetic Mutation		Java	43.1%	Medium
434	Number of Segments in a String	Solution	Java	37.8%	Easy
435	Non-overlapping Intervals	Solution	Java	43.8%	Medium
436	Find Right Interval	Solution	Java	48.4%	Medium
437	Path Sum III	Solution	Java	48.0%	Medium
438	Find All Anagrams in a String	Solution	Java	44.7%	Medium
439	Ternary Expression Parser		Java	56.6%	Medium
440	K-th Smallest in Lexicographical Order		Java	29.7%	Hard
441	Arranging Coins	Solution	Java	42.3%	Easy
442	Find All Duplicates in an Array	Solution	Java	68.7%	Medium
443	String Compression	Solution	Java	43.1%	Medium
444	Sequence Reconstruction		Java	23.4%	Medium
445	Add Two Numbers II	Solution	Java	56.0%	Medium
446	Arithmetic Slices II - Subsequence	Solution	Java	33.3%	Hard
447	Number of Boomerangs		Java	52.3%	Medium
448	Find All Numbers Disappeared in an Array	Solution	Java	56.1%	Easy
449	Serialize and Deserialize BST	Solution	Java	53.8%	Medium
450	Delete Node in a BST	Solution	Java	45.2%	Medium
451	Sort Characters By Frequency	Solution	Java	64.1%	Medium
452	Minimum Number of Arrows to Burst Balloons	Solution	Java	49.7%	Medium
453	Minimum Moves to Equal Array Elements	Solution	Java	50.7%	Easy
454	4Sum II	Solution	Java	54.5%	Medium
455	Assign Cookies		Java	50.4%	Easy
456	132 Pattern	Solution	Java	30.6%	Medium
457	Circular Array Loop		Java	30.0%	Medium
458	Poor Pigs	Solution	Java	54.4%	Hard
459	Repeated Substring Pattern	Solution	Java	43.3%	Easy
460	LFU Cache		Java	35.7%	Hard
461	Hamming Distance	Solution	Java	73.1%	Easy
462	Minimum Moves to Equal Array Elements II	Solution	Java	54.3%	Medium
463	Island Perimeter	Solution	Java	66.5%	Easy
464	Can I Win		Java	29.6%	Medium
465	Optimal Account Balancing		Java	48.1%	Hard
466	Count The Repetitions	Solution	Java	28.6%	Hard
467	Unique Substrings in Wraparound String		Java	36.0%	Medium
468	Validate IP Address	Solution	Java	24.8%	Medium
469	Convex Polygon		Java	37.4%	Medium
470	Implement Rand10() Using Rand7()	Solution	Java	46.0%	Medium
471	Encode String with Shortest Length		Java	48.9%	Hard
472	Concatenated Words		Java	44.5%	Hard
473	Matchsticks to Square	Solution	Java	38.2%	Medium
474	Ones and Zeroes	Solution	Java	43.5%	Medium
475	Heaters		Java	33.5%	Medium
476	Number Complement	Solution	Java	65.1%	Easy
477	Total Hamming Distance	Solution	Java	50.6%	Medium
478	Generate Random Point in a Circle	Solution	Java	39.0%	Medium
479	Largest Palindrome Product		Java	29.5%	Hard
480	Sliding Window Median	Solution	Java	38.4%	Hard
481	Magical String		Java	48.0%	Medium
482	License Key Formatting		Java	43.1%	Easy
483	Smallest Good Base		Java	36.2%	Hard
484	Find Permutation	Solution	Java	64.1%	Medium
485	Max Consecutive Ones	Solution	Java	53.2%	Easy
486	Predict the Winner	Solution	Java	48.4%	Medium
487	Max Consecutive Ones II	Solution	Java	47.9%	Medium
488	Zuma Game		Java	38.6%	Hard
489	Robot Room Cleaner	Solution	Java	72.1%	Hard
490	The Maze	Solution	Java	52.6%	Medium
491	Increasing Subsequences		Java	47.3%	Medium
492	Construct the Rectangle		Java	50.2%	Easy
493	Reverse Pairs	Solution	Java	26.6%	Hard
494	Target Sum	Solution	Java	45.8%	Medium
495	Teemo Attacking	Solution	Java	56.1%	Medium
496	Next Greater Element I	Solution	Java	65.2%	Easy
497	Random Point in Non-overlapping Rectangles	Solution	Java	39.0%	Medium
498	Diagonal Traverse	Solution	Java	50.1%	Medium
499	The Maze III		Java	42.3%	Hard
500	Keyboard Row		Java	65.5%	Easy
501	Find Mode in Binary Search Tree		Java	43.3%	Easy
502	IPO	Solution	Java	41.3%	Hard
503	Next Greater Element II	Solution	Java	58.2%	Medium
504	Base 7		Java	46.4%	Easy
505	The Maze II	Solution	Java	48.4%	Medium
506	Relative Ranks		Java	51.1%	Easy
507	Perfect Number	Solution	Java	36.0%	Easy
508	Most Frequent Subtree Sum		Java	58.9%	Medium
509	Fibonacci Number	Solution	Java	67.3%	Easy
510	Inorder Successor in BST II	Solution	Java	59.9%	Medium
511	Game Play Analysis I		Java	81.2%	Easy
512	Game Play Analysis II		Java	55.8%	Easy
513	Find Bottom Left Tree Value		Java	62.3%	Medium
514	Freedom Trail		Java	44.7%	Hard
515	Find Largest Value in Each Tree Row		Java	62.0%	Medium
516	Longest Palindromic Subsequence		Java	55.0%	Medium
517	Super Washing Machines	Solution	Java	38.5%	Hard
518	Coin Change 2	Solution	Java	51.4%	Medium
519	Random Flip Matrix	Solution	Java	37.7%	Medium
520	Detect Capital	Solution	Java	53.9%	Easy
521	Longest Uncommon Subsequence I	Solution	Java	58.4%	Easy
522	Longest Uncommon Subsequence II	Solution	Java	34.1%	Medium
523	Continuous Subarray Sum	Solution	Java	24.7%	Medium
524	Longest Word in Dictionary through Deleting	Solution	Java	48.9%	Medium
525	Contiguous Array	Solution	Java	43.4%	Medium
526	Beautiful Arrangement	Solution	Java	61.7%	Medium
527	Word Abbreviation	Solution	Java	56.0%	Hard
528	Random Pick with Weight	Solution	Java	44.5%	Medium
529	Minesweeper		Java	60.7%	Medium
530	Minimum Absolute Difference in BST		Java	54.7%	Easy
531	Lonely Pixel I		Java	59.4%	Medium
532	K-diff Pairs in an Array	Solution	Java	34.9%	Medium
533	Lonely Pixel II		Java	48.0%	Medium
534	Game Play Analysis III		Java	78.7%	Medium
535	Encode and Decode TinyURL	Solution	Java	80.8%	Medium
536	Construct Binary Tree from String		Java	50.4%	Medium
537	Complex Number Multiplication	Solution	Java	68.3%	Medium
538	Convert BST to Greater Tree	Solution	Java	56.6%	Medium
539	Minimum Time Difference		Java	52.2%	Medium
540	Single Element in a Sorted Array	Solution	Java	57.9%	Medium
541	Reverse String II	Solution	Java	49.0%	Easy
542	01 Matrix	Solution	Java	40.6%	Medium
543	Diameter of Binary Tree	Solution	Java	49.1%	Easy
544	Output Contest Matches	Solution	Java	75.7%	Medium
545	Boundary of Binary Tree	Solution	Java	39.4%	Medium
546	Remove Boxes	Solution	Java	44.2%	Hard
547	Number of Provinces	Solution	Java	60.1%	Medium
548	Split Array with Equal Sum	Solution	Java	47.7%	Medium
549	Binary Tree Longest Consecutive Sequence II	Solution	Java	47.2%	Medium
550	Game Play Analysis IV		Java	46.0%	Medium
551	Student Attendance Record I	Solution	Java	46.1%	Easy
552	Student Attendance Record II	Solution	Java	37.2%	Hard
553	Optimal Division	Solution	Java	57.3%	Medium
554	Brick Wall	Solution	Java	50.6%	Medium
555	Split Concatenated Strings	Solution	Java	42.7%	Medium
556	Next Greater Element III	Solution	Java	33.5%	Medium
557	Reverse Words in a String III	Solution	Java	71.6%	Easy
558	Logical OR of Two Binary Grids Represented as Quad-Trees		Java	45.5%	Medium
559	Maximum Depth of N-ary Tree	Solution	Java	69.4%	Easy
560	Subarray Sum Equals K	Solution	Java	43.8%	Medium
561	Array Partition I	Solution	Java	72.9%	Easy
562	Longest Line of Consecutive One in Matrix	Solution	Java	46.2%	Medium
563	Binary Tree Tilt	Solution	Java	52.7%	Easy
564	Find the Closest Palindrome	Solution	Java	20.2%	Hard
565	Array Nesting	Solution	Java	55.9%	Medium
566	Reshape the Matrix	Solution	Java	61.0%	Easy
567	Permutation in String	Solution	Java	44.6%	Medium
568	Maximum Vacation Days	Solution	Java	41.4%	Hard
569	Median Employee Salary	Solution	Java	61.0%	Hard
570	Managers with at Least 5 Direct Reports	Solution	Java	66.7%	Medium
571	Find Median Given Frequency of Numbers		Java	45.6%	Hard
572	Subtree of Another Tree	Solution	Java	44.4%	Easy
573	Squirrel Simulation	Solution	Java	56.0%	Medium
574	Winning Candidate	Solution	Java	51.3%	Medium
575	Distribute Candies	Solution	Java	61.9%	Easy
576	Out of Boundary Paths	Solution	Java	35.8%	Medium
577	Employee Bonus	Solution	Java	70.8%	Easy
578	Get Highest Answer Rate Question	Solution	Java	41.3%	Medium
579	Find Cumulative Salary of an Employee	Solution	Java	38.1%	Hard
580	Count Student Number in Departments	Solution	Java	51.1%	Medium
581	Shortest Unsorted Continuous Subarray	Solution	Java	31.6%	Medium
582	Kill Process	Solution	Java	62.4%	Medium
583	Delete Operation for Two Strings	Solution	Java	49.8%	Medium
584	Find Customer Referee	Solution	Java	73.7%	Easy
585	Investments in 2016	Solution	Java	56.5%	Medium
586	Customer Placing the Largest Number of Orders	Solution	Java	75.0%	Easy
587	Erect the Fence	Solution	Java	36.3%	Hard
588	Design In-Memory File System	Solution	Java	46.5%	Hard
589	N-ary Tree Preorder Traversal	Solution	Java	73.1%	Easy
590	N-ary Tree Postorder Traversal	Solution	Java	73.2%	Easy
591	Tag Validator	Solution	Java	34.7%	Hard
592	Fraction Addition and Subtraction	Solution	Java	50.1%	Medium
593	Valid Square	Solution	Java	43.3%	Medium
594	Longest Harmonious Subsequence	Solution	Java	47.8%	Easy
595	Big Countries	Solution	Java	78.3%	Easy
596	Classes More Than 5 Students	Solution	Java	38.7%	Easy
597	Friend Requests I: Overall Acceptance Rate	Solution	Java	41.7%	Easy
598	Range Addition II	Solution	Java	50.0%	Easy
599	Minimum Index Sum of Two Lists	Solution	Java	51.5%	Easy
600	Non-negative Integers without Consecutive Ones	Solution	Java	34.6%	Hard
601	Human Traffic of Stadium	Solution	Java	44.4%	Hard
602	Friend Requests II: Who Has the Most Friends	Solution	Java	56.7%	Medium
603	Consecutive Available Seats	Solution	Java	65.7%	Easy
604	Design Compressed String Iterator	Solution	Java	38.0%	Easy
605	Can Place Flowers	Solution	Java	31.9%	Easy
606	Construct String from Binary Tree	Solution	Java	55.0%	Easy
607	Sales Person	Solution	Java	64.6%	Easy
608	Tree Node	Solution	Java	69.1%	Medium
609	Find Duplicate File in System	Solution	Java	60.9%	Medium
610	Triangle Judgement	Solution	Java	68.0%	Easy
611	Valid Triangle Number	Solution	Java	49.1%	Medium
612	Shortest Distance in a Plane	Solution	Java	61.0%	Medium
613	Shortest Distance in a Line	Solution	Java	79.2%	Easy
614	Second Degree Follower		Java	32.2%	Medium
615	Average Salary: Departments VS Company	Solution	Java	51.5%	Hard
616	Add Bold Tag in String	Solution	Java	44.4%	Medium
617	Merge Two Binary Trees	Solution	Java	75.1%	Easy
618	Students Report By Geography	Solution	Java	58.8%	Hard
619	Biggest Single Number	Solution	Java	44.6%	Easy
620	Not Boring Movies	Solution	Java	69.4%	Easy
621	Task Scheduler	Solution	Java	51.5%	Medium
622	Design Circular Queue	Solution	Java	45.1%	Medium
623	Add One Row to Tree	Solution	Java	50.3%	Medium
624	Maximum Distance in Arrays	Solution	Java	39.4%	Medium
625	Minimum Factorization	Solution	Java	32.9%	Medium
626	Exchange Seats	Solution	Java	65.0%	Medium
627	Swap Salary	Solution	Java	77.2%	Easy
628	Maximum Product of Three Numbers	Solution	Java	47.0%	Easy
629	K Inverse Pairs Array	Solution	Java	31.6%	Hard
630	Course Schedule III	Solution	Java	33.7%	Hard
631	Design Excel Sum Formula	Solution	Java	32.0%	Hard
632	Smallest Range Covering Elements from K Lists	Solution	Java	53.9%	Hard
633	Sum of Square Numbers	Solution	Java	32.5%	Medium
634	Find the Derangement of An Array	Solution	Java	40.4%	Medium
635	Design Log Storage System	Solution	Java	59.5%	Medium
636	Exclusive Time of Functions	Solution	Java	54.0%	Medium
637	Average of Levels in Binary Tree	Solution	Java	64.5%	Easy
638	Shopping Offers	Solution	Java	52.6%	Medium
639	Decode Ways II	Solution	Java	27.5%	Hard
640	Solve the Equation	Solution	Java	42.6%	Medium
641	Design Circular Deque		Java	54.5%	Medium
642	Design Search Autocomplete System	Solution	Java	45.9%	Hard
643	Maximum Average Subarray I	Solution	Java	42.0%	Easy
644	Maximum Average Subarray II	Solution	Java	33.9%	Hard
645	Set Mismatch	Solution	Java	42.4%	Easy
646	Maximum Length of Pair Chain	Solution	Java	52.7%	Medium
647	Palindromic Substrings	Solution	Java	61.7%	Medium
648	Replace Words	Solution	Java	58.2%	Medium
649	Dota2 Senate	Solution	Java	39.4%	Medium
650	2 Keys Keyboard	Solution	Java	49.9%	Medium
651	4 Keys Keyboard	Solution	Java	52.9%	Medium
652	Find Duplicate Subtrees	Solution	Java	52.0%	Medium
653	Two Sum IV - Input is a BST	Solution	Java	56.2%	Easy
654	Maximum Binary Tree	Solution	Java	80.9%	Medium
655	Print Binary Tree	Solution	Java	55.9%	Medium
656	Coin Path	Solution	Java	29.5%	Hard
657	Robot Return to Origin	Solution	Java	73.6%	Easy
658	Find K Closest Elements	Solution	Java	41.8%	Medium
659	Split Array into Consecutive Subsequences	Solution	Java	44.2%	Medium
660	Remove 9	Solution	Java	54.1%	Hard
661	Image Smoother	Solution	Java	52.2%	Easy
662	Maximum Width of Binary Tree	Solution	Java	40.0%	Medium
663	Equal Tree Partition	Solution	Java	39.7%	Medium
664	Strange Printer	Solution	Java	41.3%	Hard
665	Non-decreasing Array	Solution	Java	19.6%	Easy
666	Path Sum IV	Solution	Java	55.6%	Medium
667	Beautiful Arrangement II	Solution	Java	55.0%	Medium
668	Kth Smallest Number in Multiplication Table	Solution	Java	47.7%	Hard
669	Trim a Binary Search Tree	Solution	Java	63.3%	Easy
670	Maximum Swap	Solution	Java	44.9%	Medium
671	Second Minimum Node In a Binary Tree	Solution	Java	42.8%	Easy
672	Bulb Switcher II	Solution	Java	51.1%	Medium
673	Number of Longest Increasing Subsequence	Solution	Java	38.4%	Medium
674	Longest Continuous Increasing Subsequence	Solution	Java	46.0%	Easy
675	Cut Off Trees for Golf Event	Solution	Java	35.1%	Hard
676	Implement Magic Dictionary	Solution	Java	55.2%	Medium
677	Map Sum Pairs	Solution	Java	53.9%	Medium
678	Valid Parenthesis String	Solution	Java	31.5%	Medium
679	24 Game	Solution	Java	47.1%	Hard
680	Valid Palindrome II	Solution	Java	37.0%	Easy
681	Next Closest Time	Solution	Java	45.8%	Medium
682	Baseball Game	Solution	Java	66.1%	Easy
683	K Empty Slots	Solution	Java	35.9%	Hard
684	Redundant Connection	Solution	Java	58.8%	Medium
685	Redundant Connection II	Solution	Java	32.9%	Hard
686	Repeated String Match	Solution	Java	32.8%	Medium
687	Longest Univalue Path	Solution	Java	37.1%	Medium
688	Knight Probability in Chessboard	Solution	Java	49.9%	Medium
689	Maximum Sum of 3 Non-Overlapping Subarrays	Solution	Java	47.1%	Hard
690	Employee Importance	Solution	Java	58.4%	Easy
691	Stickers to Spell Word	Solution	Java	44.3%	Hard
692	Top K Frequent Words	Solution	Java	52.9%	Medium
693	Binary Number with Alternating Bits	Solution	Java	59.7%	Easy
694	Number of Distinct Islands	Solution	Java	57.4%	Medium
695	Max Area of Island	Solution	Java	64.4%	Medium
696	Count Binary Substrings	Solution	Java	57.3%	Easy
697	Degree of an Array	Solution	Java	54.4%	Easy
698	Partition to K Equal Sum Subsets	Solution	Java	45.5%	Medium
699	Falling Squares	Solution	Java	42.4%	Hard
700	Search in a Binary Search Tree	Solution	Java	73.4%	Easy
701	Insert into a Binary Search Tree	Solution	Java	75.9%	Medium
702	Search in a Sorted Array of Unknown Size	Solution	Java	68.5%	Medium
703	Kth Largest Element in a Stream		Java	50.5%	Easy
704	Binary Search	Solution	Java	54.0%	Easy
705	Design HashSet	Solution	Java	64.6%	Easy
706	Design HashMap	Solution	Java	62.6%	Easy
707	Design Linked List	Solution	Java	25.7%	Medium
708	Insert into a Sorted Circular Linked List	Solution	Java	32.4%	Medium
709	To Lower Case	Solution	Java	80.0%	Easy
710	Random Pick with Blacklist	Solution	Java	32.6%	Hard
711	Number of Distinct Islands II	Solution	Java	49.1%	Hard
712	Minimum ASCII Delete Sum for Two Strings	Solution	Java	59.3%	Medium
713	Subarray Product Less Than K	Solution	Java	40.4%	Medium
714	Best Time to Buy and Sell Stock with Transaction Fee	Solution	Java	55.9%	Medium
715	Range Module	Solution	Java	40.0%	Hard
716	Max Stack	Solution	Java	42.9%	Easy
717	1-bit and 2-bit Characters	Solution	Java	47.5%	Easy
718	Maximum Length of Repeated Subarray	Solution	Java	50.2%	Medium
719	Find K-th Smallest Pair Distance	Solution	Java	32.5%	Hard
720	Longest Word in Dictionary	Solution	Java	49.1%	Easy
721	Accounts Merge	Solution	Java	51.2%	Medium
722	Remove Comments	Solution	Java	35.9%	Medium
723	Candy Crush	Solution	Java	72.4%	Medium
724	Find Pivot Index	Solution	Java	45.0%	Easy
725	Split Linked List in Parts	Solution	Java	52.8%	Medium
726	Number of Atoms	Solution	Java	51.0%	Hard
727	Minimum Window Subsequence	Solution	Java	42.1%	Hard
728	Self Dividing Numbers	Solution	Java	75.3%	Easy
729	My Calendar I	Solution	Java	53.1%	Medium
730	Count Different Palindromic Subsequences	Solution	Java	43.4%	Hard
731	My Calendar II	Solution	Java	50.3%	Medium
732	My Calendar III	Solution	Java	61.5%	Hard
733	Flood Fill	Solution	Java	55.8%	Easy
734	Sentence Similarity	Solution	Java	42.3%	Easy
735	Asteroid Collision	Solution	Java	43.2%	Medium
736	Parse Lisp Expression	Solution	Java	49.9%	Hard
737	Sentence Similarity II	Solution	Java	46.4%	Medium
738	Monotone Increasing Digits	Solution	Java	45.5%	Medium
739	Daily Temperatures	Solution	Java	64.3%	Medium
740	Delete and Earn	Solution	Java	49.2%	Medium
741	Cherry Pickup	Solution	Java	35.0%	Hard
742	Closest Leaf in a Binary Tree	Solution	Java	44.2%	Medium
743	Network Delay Time	Solution	Java	45.3%	Medium
744	Find Smallest Letter Greater Than Target	Solution	Java	45.6%	Easy
745	Prefix and Suffix Search	Solution	Java	35.1%	Hard
746	Min Cost Climbing Stairs	Solution	Java	50.9%	Easy
747	Largest Number At Least Twice of Others	Solution	Java	42.8%	Easy
748	Shortest Completing Word	Solution	Java	57.4%	Easy
749	Contain Virus	Solution	Java	47.9%	Hard
750	Number Of Corner Rectangles	Solution	Java	66.6%	Medium
751	IP to CIDR	Solution	Java	60.1%	Medium
752	Open the Lock	Solution	Java	52.5%	Medium
753	Cracking the Safe	Solution	Java	52.0%	Hard
754	Reach a Number	Solution	Java	40.5%	Medium
755	Pour Water	Solution	Java	44.0%	Medium
756	Pyramid Transition Matrix	Solution	Java	55.4%	Medium
757	Set Intersection Size At Least Two	Solution	Java	42.1%	Hard
758	Bold Words in String	Solution	Java	47.2%	Easy
759	Employee Free Time	Solution	Java	67.9%	Hard
760	Find Anagram Mappings	Solution	Java	81.7%	Easy
761	Special Binary String	Solution	Java	58.5%	Hard
762	Prime Number of Set Bits in Binary Representation	Solution	Java	64.2%	Easy
763	Partition Labels	Solution	Java	77.9%	Medium
764	Largest Plus Sign	Solution	Java	46.3%	Medium
765	Couples Holding Hands	Solution	Java	55.3%	Hard
766	Toeplitz Matrix	Solution	Java	65.8%	Easy
767	Reorganize String	Solution	Java	49.9%	Medium
768	Max Chunks To Make Sorted II	Solution	Java	49.7%	Hard
769	Max Chunks To Make Sorted	Solution	Java	55.5%	Medium
770	Basic Calculator IV	Solution	Java	54.5%	Hard
771	Jewels and Stones	Solution	Java	86.8%	Easy
772	Basic Calculator III		Java	43.2%	Hard
773	Sliding Puzzle	Solution	Java	60.5%	Hard
774	Minimize Max Distance to Gas Station	Solution	Java	48.1%	Hard
775	Global and Local Inversions	Solution	Java	42.5%	Medium
776	Split BST	Solution	Java	56.5%	Medium
777	Swap Adjacent in LR String	Solution	Java	35.5%	Medium
778	Swim in Rising Water	Solution	Java	54.4%	Hard
779	K-th Symbol in Grammar	Solution	Java	38.4%	Medium
780	Reaching Points	Solution	Java	30.2%	Hard
781	Rabbits in Forest	Solution	Java	55.4%	Medium
782	Transform to Chessboard	Solution	Java	46.8%	Hard
783	Minimum Distance Between BST Nodes	Solution	Java	53.7%	Easy
784	Letter Case Permutation	Solution	Java	66.2%	Medium
785	Is Graph Bipartite?	Solution	Java	48.2%	Medium
786	K-th Smallest Prime Fraction	Solution	Java	41.8%	Hard
787	Cheapest Flights Within K Stops	Solution	Java	39.5%	Medium
788	Rotated Digits	Solution	Java	57.2%	Easy
789	Escape The Ghosts	Solution	Java	58.1%	Medium
790	Domino and Tromino Tiling	Solution	Java	39.9%	Medium
791	Custom Sort String	Solution	Java	65.9%	Medium
792	Number of Matching Subsequences	Solution	Java	48.1%	Medium
793	Preimage Size of Factorial Zeroes Function	Solution	Java	40.6%	Hard
794	Valid Tic-Tac-Toe State	Solution	Java	33.7%	Medium
795	Number of Subarrays with Bounded Maximum	Solution	Java	47.3%	Medium
796	Rotate String	Solution	Java	49.3%	Easy
797	All Paths From Source to Target	Solution	Java	78.4%	Medium
798	Smallest Rotation with Highest Score	Solution	Java	44.7%	Hard
799	Champagne Tower	Solution	Java	44.0%	Medium
800	Similar RGB Color	Solution	Java	62.2%	Easy
801	Minimum Swaps To Make Sequences Increasing	Solution	Java	39.0%	Medium
802	Find Eventual Safe States	Solution	Java	49.7%	Medium
803	Bricks Falling When Hit	Solution	Java	31.3%	Hard
804	Unique Morse Code Words	Solution	Java	78.8%	Easy
805	Split Array With Same Average	Solution	Java	26.7%	Hard
806	Number of Lines To Write String	Solution	Java	65.5%	Easy
807	Max Increase to Keep City Skyline	Solution	Java	84.2%	Medium
808	Soup Servings	Solution	Java	40.9%	Medium
809	Expressive Words	Solution	Java	46.6%	Medium
810	Chalkboard XOR Game	Solution	Java	49.4%	Hard
811	Subdomain Visit Count	Solution	Java	71.2%	Easy
812	Largest Triangle Area	Solution	Java	58.8%	Easy
813	Largest Sum of Averages	Solution	Java	50.9%	Medium
814	Binary Tree Pruning	Solution	Java	72.9%	Medium
815	Bus Routes	Solution	Java	43.2%	Hard
816	Ambiguous Coordinates	Solution	Java	47.9%	Medium
817	Linked List Components	Solution	Java	57.6%	Medium
818	Race Car	Solution	Java	39.6%	Hard
819	Most Common Word	Solution	Java	45.4%	Easy
820	Short Encoding of Words	Solution	Java	51.4%	Medium
821	Shortest Distance to a Character	Solution	Java	67.8%	Easy
822	Card Flipping Game	Solution	Java	43.5%	Medium
823	Binary Trees With Factors	Solution	Java	36.4%	Medium
824	Goat Latin	Solution	Java	66.3%	Easy
825	Friends Of Appropriate Ages	Solution	Java	43.8%	Medium
826	Most Profit Assigning Work	Solution	Java	38.9%	Medium
827	Making A Large Island	Solution	Java	47.1%	Hard
828	Count Unique Characters of All Substrings of a Given String	Solution	Java	46.8%	Hard
829	Consecutive Numbers Sum	Solution	Java	39.3%	Hard
830	Positions of Large Groups	Solution	Java	50.3%	Easy
831	Masking Personal Information	Solution	Java	44.7%	Medium
832	Flipping an Image	Solution	Java	77.9%	Easy
833	Find And Replace in String	Solution	Java	51.3%	Medium
834	Sum of Distances in Tree	Solution	Java	45.5%	Hard
835	Image Overlap	Solution	Java	61.8%	Medium
836	Rectangle Overlap	Solution	Java	45.1%	Easy
837	New 21 Game	Solution	Java	35.3%	Medium
838	Push Dominoes	Solution	Java	49.7%	Medium
839	Similar String Groups	Solution	Java	40.1%	Hard
840	Magic Squares In Grid	Solution	Java	37.8%	Medium
841	Keys and Rooms	Solution	Java	65.2%	Medium
842	Split Array into Fibonacci Sequence	Solution	Java	36.7%	Medium
843	Guess the Word	Solution	Java	46.4%	Hard
844	Backspace String Compare	Solution	Java	46.8%	Easy
845	Longest Mountain in Array	Solution	Java	38.5%	Medium
846	Hand of Straights	Solution	Java	55.3%	Medium
847	Shortest Path Visiting All Nodes	Solution	Java	53.2%	Hard
848	Shifting Letters	Solution	Java	45.1%	Medium
849	Maximize Distance to Closest Person	Solution	Java	44.5%	Medium
850	Rectangle Area II	Solution	Java	48.3%	Hard
851	Loud and Rich	Solution	Java	52.4%	Medium
852	Peak Index in a Mountain Array	Solution	Java	71.8%	Easy
853	Car Fleet	Solution	Java	43.6%	Medium
854	K-Similar Strings	Solution	Java	38.7%	Hard
855	Exam Room	Solution	Java	43.4%	Medium
856	Score of Parentheses	Solution	Java	62.2%	Medium
857	Minimum Cost to Hire K Workers	Solution	Java	50.3%	Hard
858	Mirror Reflection	Solution	Java	59.5%	Medium
859	Buddy Strings	Solution	Java	29.6%	Easy
860	Lemonade Change	Solution	Java	51.9%	Easy
861	Score After Flipping Matrix	Solution	Java	73.4%	Medium
862	Shortest Subarray with Sum at Least K	Solution	Java	25.1%	Hard
863	All Nodes Distance K in Binary Tree	Solution	Java	57.5%	Medium
864	Shortest Path to Get All Keys	Solution	Java	41.5%	Hard
865	Smallest Subtree with all the Deepest Nodes	Solution	Java	64.6%	Medium
866	Prime Palindrome	Solution	Java	25.1%	Medium
867	Transpose Matrix	Solution	Java	62.2%	Easy
868	Binary Gap	Solution	Java	60.8%	Easy
869	Reordered Power of 2	Solution	Java	54.1%	Medium
870	Advantage Shuffle	Solution	Java	46.6%	Medium
871	Minimum Number of Refueling Stops	Solution	Java	32.1%	Hard
872	Leaf-Similar Trees	Solution	Java	64.5%	Easy
873	Length of Longest Fibonacci Subsequence	Solution	Java	48.1%	Medium
874	Walking Robot Simulation	Solution	Java	36.7%	Easy
875	Koko Eating Bananas	Solution	Java	53.4%	Medium
876	Middle of the Linked List	Solution	Java	68.9%	Easy
877	Stone Game	Solution	Java	66.3%	Medium
878	Nth Magical Number	Solution	Java	28.9%	Hard
879	Profitable Schemes	Solution	Java	40.1%	Hard
880	Decoded String at Index	Solution	Java	28.3%	Medium
881	Boats to Save People	Solution	Java	48.7%	Medium
882	Reachable Nodes In Subdivided Graph	Solution	Java	42.3%	Hard
883	Projection Area of 3D Shapes	Solution	Java	68.1%	Easy
884	Uncommon Words from Two Sentences	Solution	Java	64.0%	Easy
885	Spiral Matrix III	Solution	Java	70.5%	Medium
886	Possible Bipartition	Solution	Java	45.0%	Medium
887	Super Egg Drop	Solution	Java	27.0%	Hard
888	Fair Candy Swap	Solution	Java	58.8%	Easy
889	Construct Binary Tree from Preorder and Postorder Traversal	Solution	Java	67.3%	Medium
890	Find and Replace Pattern	Solution	Java	74.1%	Medium
891	Sum of Subsequence Widths	Solution	Java	32.8%	Hard
892	Surface Area of 3D Shapes	Solution	Java	59.6%	Easy
893	Groups of Special-Equivalent Strings	Solution	Java	68.2%	Easy
894	All Possible Full Binary Trees	Solution	Java	77.0%	Medium
895	Maximum Frequency Stack	Solution	Java	62.2%	Hard
896	Monotonic Array	Solution	Java	58.0%	Easy
897	Increasing Order Search Tree	Solution	Java	74.3%	Easy
898	Bitwise ORs of Subarrays	Solution	Java	34.0%	Medium
899	Orderly Queue	Solution	Java	52.9%	Hard
900	RLE Iterator	Solution	Java	55.2%	Medium
901	Online Stock Span	Solution	Java	61.2%	Medium
902	Numbers At Most N Given Digit Set	Solution	Java	36.1%	Hard
903	Valid Permutations for DI Sequence	Solution	Java	54.1%	Hard
904	Fruit Into Baskets	Solution	Java	42.9%	Medium
905	Sort Array By Parity	Solution	Java	75.0%	Easy
906	Super Palindromes	Solution	Java	32.9%	Hard
907	Sum of Subarray Minimums	Solution	Java	33.2%	Medium
908	Smallest Range I	Solution	Java	66.3%	Easy
909	Snakes and Ladders	Solution	Java	39.1%	Medium
910	Smallest Range II	Solution	Java	31.2%	Medium
911	Online Election	Solution	Java	51.2%	Medium
912	Sort an Array		Java	64.5%	Medium
913	Cat and Mouse	Solution	Java	34.2%	Hard
914	X of a Kind in a Deck of Cards	Solution	Java	34.4%	Easy
915	Partition Array into Disjoint Intervals	Solution	Java	46.0%	Medium
916	Word Subsets	Solution	Java	48.1%	Medium
917	Reverse Only Letters	Solution	Java	58.6%	Easy
918	Maximum Sum Circular Subarray	Solution	Java	34.1%	Medium
919	Complete Binary Tree Inserter	Solution	Java	58.7%	Medium
920	Number of Music Playlists	Solution	Java	47.7%	Hard
921	Minimum Add to Make Parentheses Valid	Solution	Java	74.6%	Medium
922	Sort Array By Parity II	Solution	Java	70.2%	Easy
923	3Sum With Multiplicity	Solution	Java	36.0%	Medium
924	Minimize Malware Spread	Solution	Java	41.8%	Hard
925	Long Pressed Name	Solution	Java	38.4%	Easy
926	Flip String to Monotone Increasing	Solution	Java	53.0%	Medium
927	Three Equal Parts	Solution	Java	34.5%	Hard
928	Minimize Malware Spread II	Solution	Java	41.3%	Hard
929	Unique Email Addresses	Solution	Java	67.2%	Easy
930	Binary Subarrays With Sum	Solution	Java	44.3%	Medium
931	Minimum Falling Path Sum	Solution	Java	63.2%	Medium
932	Beautiful Array	Solution	Java	61.0%	Medium
933	Number of Recent Calls	Solution	Java	72.0%	Easy
934	Shortest Bridge	Solution	Java	49.4%	Medium
935	Knight Dialer	Solution	Java	46.2%	Medium
936	Stamping The Sequence	Solution	Java	47.2%	Hard
937	Reorder Data in Log Files	Solution	Java	54.3%	Easy
938	Range Sum of BST	Solution	Java	82.8%	Easy
939	Minimum Area Rectangle	Solution	Java	51.9%	Medium
940	Distinct Subsequences II	Solution	Java	41.6%	Hard
941	Valid Mountain Array	Solution	Java	33.5%	Easy
942	DI String Match	Solution	Java	73.4%	Easy
943	Find the Shortest Superstring	Solution	Java	43.5%	Hard
944	Delete Columns to Make Sorted	Solution	Java	71.1%	Easy
945	Minimum Increment to Make Array Unique	Solution	Java	46.7%	Medium
946	Validate Stack Sequences	Solution	Java	63.4%	Medium
947	Most Stones Removed with Same Row or Column	Solution	Java	55.4%	Medium
948	Bag of Tokens	Solution	Java	46.1%	Medium
949	Largest Time for Given Digits	Solution	Java	36.2%	Medium
950	Reveal Cards In Increasing Order	Solution	Java	75.3%	Medium
951	Flip Equivalent Binary Trees	Solution	Java	65.6%	Medium
952	Largest Component Size by Common Factor	Solution	Java	36.1%	Hard
953	Verifying an Alien Dictionary	Solution	Java	52.5%	Easy
954	Array of Doubled Pairs	Solution	Java	35.3%	Medium
955	Delete Columns to Make Sorted II	Solution	Java	33.7%	Medium
956	Tallest Billboard	Solution	Java	39.7%	Hard
957	Prison Cells After N Days	Solution	Java	40.2%	Medium
958	Check Completeness of a Binary Tree	Solution	Java	52.4%	Medium
959	Regions Cut By Slashes	Solution	Java	66.9%	Medium
960	Delete Columns to Make Sorted III	Solution	Java	54.7%	Hard
961	N-Repeated Element in Size 2N Array	Solution	Java	74.4%	Easy
962	Maximum Width Ramp	Solution	Java	46.3%	Medium
963	Minimum Area Rectangle II	Solution	Java	51.7%	Medium
964	Least Operators to Express Number	Solution	Java	44.9%	Hard
965	Univalued Binary Tree	Solution	Java	67.8%	Easy
966	Vowel Spellchecker	Solution	Java	47.7%	Medium
967	Numbers With Same Consecutive Differences	Solution	Java	44.5%	Medium
968	Binary Tree Cameras	Solution	Java	38.5%	Hard
969	Pancake Sorting	Solution	Java	68.6%	Medium
970	Powerful Integers	Solution	Java	39.9%	Easy
971	Flip Binary Tree To Match Preorder Traversal	Solution	Java	46.1%	Medium
972	Equal Rational Numbers	Solution	Java	41.9%	Hard
973	K Closest Points to Origin	Solution	Java	64.5%	Medium
974	Subarray Sums Divisible by K	Solution	Java	50.6%	Medium
975	Odd Even Jump	Solution	Java	41.6%	Hard
976	Largest Perimeter Triangle	Solution	Java	58.5%	Easy
977	Squares of a Sorted Array	Solution	Java	72.3%	Easy
978	Longest Turbulent Subarray	Solution	Java	46.6%	Medium
979	Distribute Coins in Binary Tree	Solution	Java	69.5%	Medium
980	Unique Paths III	Solution	Java	77.2%	Hard
981	Time Based Key-Value Store	Solution	Java	54.0%	Medium
982	Triples with Bitwise AND Equal To Zero		Java	56.1%	Hard
983	Minimum Cost For Tickets	Solution	Java	62.6%	Medium
984	String Without AAA or BBB	Solution	Java	38.5%	Medium
985	Sum of Even Numbers After Queries	Solution	Java	60.7%	Easy
986	Interval List Intersections	Solution	Java	68.1%	Medium
987	Vertical Order Traversal of a Binary Tree	Solution	Java	37.7%	Medium
988	Smallest String Starting From Leaf	Solution	Java	46.6%	Medium
989	Add to Array-Form of Integer	Solution	Java	44.7%	Easy
990	Satisfiability of Equality Equations	Solution	Java	46.5%	Medium
991	Broken Calculator	Solution	Java	46.4%	Medium
992	Subarrays with K Different Integers	Solution	Java	50.5%	Hard
993	Cousins in Binary Tree	Solution	Java	52.2%	Easy
994	Rotting Oranges	Solution	Java	49.6%	Medium
995	Minimum Number of K Consecutive Bit Flips	Solution	Java	49.5%	Hard
996	Number of Squareful Arrays	Solution	Java	48.0%	Hard
997	Find the Town Judge	Solution	Java	49.8%	Easy
998	Maximum Binary Tree II		Java	63.7%	Medium
999	Available Captures for Rook		Java	66.8%	Easy
1000	Minimum Cost to Merge Stones		Java	40.4%	Hard
1001	Grid Illumination		Java	36.6%	Hard
1002	Find Common Characters		Java	68.1%	Easy
1003	Check If Word Is Valid After Substitutions		Java	56.1%	Medium
1004	Max Consecutive Ones III	Solution	Java	60.5%	Medium
1005	Maximize Sum Of Array After K Negations		Java	52.3%	Easy
1006	Clumsy Factorial		Java	53.7%	Medium
1007	Minimum Domino Rotations For Equal Row	Solution	Java	51.0%	Medium
1008	Construct Binary Search Tree from Preorder Traversal	Solution	Java	78.7%	Medium
1009	Complement of Base 10 Integer	Solution	Java	61.5%	Easy
1010	Pairs of Songs With Total Durations Divisible by 60	Solution	Java	49.8%	Medium
1011	Capacity To Ship Packages Within D Days		Java	59.5%	Medium
1012	Numbers With Repeated Digits		Java	37.7%	Hard
1013	Partition Array Into Three Parts With Equal Sum		Java	49.4%	Easy
1014	Best Sightseeing Pair		Java	52.8%	Medium
1015	Smallest Integer Divisible by K	Solution	Java	41.8%	Medium
1016	Binary String With Substrings Representing 1 To N		Java	59.1%	Medium
1017	Convert to Base -2		Java	59.6%	Medium
1018	Binary Prefix Divisible By 5		Java	47.8%	Easy
1019	Next Greater Node In Linked List		Java	58.2%	Medium
1020	Number of Enclaves		Java	58.7%	Medium
1021	Remove Outermost Parentheses		Java	78.7%	Easy
1022	Sum of Root To Leaf Binary Numbers	Solution	Java	71.4%	Easy
1023	Camelcase Matching		Java	57.3%	Medium
1024	Video Stitching		Java	49.1%	Medium
1025	Divisor Game		Java	66.1%	Easy
1026	Maximum Difference Between Node and Ancestor	Solution	Java	69.2%	Medium
1027	Longest Arithmetic Subsequence		Java	49.8%	Medium
1028	Recover a Tree From Preorder Traversal		Java	70.7%	Hard
1029	Two City Scheduling	Solution	Java	57.7%	Medium
1030	Matrix Cells in Distance Order		Java	66.9%	Easy
1031	Maximum Sum of Two Non-Overlapping Subarrays		Java	58.8%	Medium
1032	Stream of Characters	Solution	Java	48.6%	Hard
1033	Moving Stones Until Consecutive		Java	43.0%	Easy
1034	Coloring A Border		Java	45.5%	Medium
1035	Uncrossed Lines		Java	56.0%	Medium
1036	Escape a Large Maze		Java	34.8%	Hard
1037	Valid Boomerang		Java	37.9%	Easy
1038	Binary Search Tree to Greater Sum Tree		Java	82.1%	Medium
1039	Minimum Score Triangulation of Polygon		Java	50.0%	Medium
1040	Moving Stones Until Consecutive II		Java	53.9%	Medium
1041	Robot Bounded In Circle	Solution	Java	54.7%	Medium
1042	Flower Planting With No Adjacent		Java	48.7%	Medium
1043	Partition Array for Maximum Sum		Java	66.7%	Medium
1044	Longest Duplicate Substring	Solution	Java	31.5%	Hard
1045	Customers Who Bought All Products		Java	68.3%	Medium
1046	Last Stone Weight	Solution	Java	62.4%	Easy
1047	Remove All Adjacent Duplicates In String	Solution	Java	70.3%	Easy
1048	Longest String Chain		Java	55.3%	Medium
1049	Last Stone Weight II		Java	45.0%	Medium
1050	Actors and Directors Who Cooperated At Least Three Times		Java	72.2%	Easy
1051	Height Checker		Java	71.9%	Easy
1052	Grumpy Bookstore Owner		Java	55.7%	Medium
1053	Previous Permutation With One Swap		Java	50.8%	Medium
1054	Distant Barcodes		Java	44.2%	Medium
1055	Shortest Way to Form String		Java	57.1%	Medium
1056	Confusing Number		Java	47.1%	Easy
1057	Campus Bikes		Java	57.6%	Medium
1058	Minimize Rounding Error to Meet Target		Java	43.1%	Medium
1059	All Paths from Source Lead to Destination	Solution	Java	43.2%	Medium
1060	Missing Element in Sorted Array	Solution	Java	54.7%	Medium
1061	Lexicographically Smallest Equivalent String		Java	66.7%	Medium
1062	Longest Repeating Substring	Solution	Java	58.0%	Medium
1063	Number of Valid Subarrays		Java	72.2%	Hard
1064	Fixed Point		Java	65.4%	Easy
1065	Index Pairs of a String		Java	60.9%	Easy
1066	Campus Bikes II		Java	54.1%	Medium
1067	Digit Count in Range		Java	41.0%	Hard
1068	Product Sales Analysis I		Java	82.3%	Easy
1069	Product Sales Analysis II		Java	83.2%	Easy
1070	Product Sales Analysis III		Java	49.7%	Medium
1071	Greatest Common Divisor of Strings		Java	51.4%	Easy
1072	Flip Columns For Maximum Number of Equal Rows		Java	61.2%	Medium
1073	Adding Two Negabinary Numbers		Java	34.7%	Medium
1074	Number of Submatrices That Sum to Target	Solution	Java	61.5%	Hard
1075	Project Employees I		Java	66.0%	Easy
1076	Project Employees II		Java	53.2%	Easy
1077	Project Employees III		Java	77.3%	Medium
1078	Occurrences After Bigram		Java	64.8%	Easy
1079	Letter Tile Possibilities		Java	75.8%	Medium
1080	Insufficient Nodes in Root to Leaf Paths		Java	49.8%	Medium
1081	Smallest Subsequence of Distinct Characters		Java	53.4%	Medium
1082	Sales Analysis I		Java	73.3%	Easy
1083	Sales Analysis II		Java	50.7%	Easy
1084	Sales Analysis III		Java	54.6%	Easy
1085	Sum of Digits in the Minimum Number		Java	75.1%	Easy
1086	High Five	Solution	Java	78.7%	Easy
1087	Brace Expansion		Java	63.1%	Medium
1088	Confusing Number II		Java	45.1%	Hard
1089	Duplicate Zeros	Solution	Java	52.0%	Easy
1090	Largest Values From Labels		Java	60.1%	Medium
1091	Shortest Path in Binary Matrix	Solution	Java	39.0%	Medium
1092	Shortest Common Supersequence		Java	52.8%	Hard
1093	Statistics from a Large Sample		Java	49.3%	Medium
1094	Car Pooling	Solution	Java	59.1%	Medium
1095	Find in Mountain Array		Java	36.0%	Hard
1096	Brace Expansion II		Java	62.4%	Hard
1097	Game Play Analysis V		Java	56.4%	Hard
1098	Unpopular Books		Java	45.5%	Medium
1099	Two Sum Less Than K	Solution	Java	60.8%	Easy
1100	Find K-Length Substrings With No Repeated Characters		Java	73.2%	Medium
1101	The Earliest Moment When Everyone Become Friends		Java	67.6%	Medium
1102	Path With Maximum Minimum Value		Java	50.2%	Medium
1103	Distribute Candies to People	Solution	Java	63.6%	Easy
1104	Path In Zigzag Labelled Binary Tree		Java	73.1%	Medium
1105	Filling Bookcase Shelves		Java	57.7%	Medium
1106	Parsing A Boolean Expression		Java	59.1%	Hard
1107	New Users Daily Count		Java	45.8%	Medium
1108	Defanging an IP Address		Java	88.5%	Easy
1109	Corporate Flight Bookings		Java	54.2%	Medium
1110	Delete Nodes And Return Forest		Java	67.6%	Medium
1111	Maximum Nesting Depth of Two Valid Parentheses Strings		Java	72.4%	Medium
1112	Highest Grade For Each Student		Java	71.8%	Medium
1113	Reported Posts		Java	65.4%	Easy
1114	Print in Order	Solution	Java	67.0%	Easy
1115	Print FooBar Alternately		Java	59.1%	Medium
1116	Print Zero Even Odd		Java	57.7%	Medium
1117	Building H2O		Java	53.2%	Medium
1118	Number of Days in a Month		Java	57.5%	Easy
1119	Remove Vowels from a String		Java	90.5%	Easy
1120	Maximum Average Subtree	Solution	Java	63.5%	Medium
1121	Divide Array Into Increasing Sequences		Java	57.9%	Hard
1122	Relative Sort Array		Java	67.7%	Easy
1123	Lowest Common Ancestor of Deepest Leaves		Java	67.8%	Medium
1124	Longest Well-Performing Interval		Java	33.2%	Medium
1125	Smallest Sufficient Team		Java	47.0%	Hard
1126	Active Businesses		Java	68.7%	Medium
1127	User Purchase Platform		Java	50.3%	Hard
1128	Number of Equivalent Domino Pairs		Java	46.6%	Easy
1129	Shortest Path with Alternating Colors		Java	40.1%	Medium
1130	Minimum Cost Tree From Leaf Values		Java	67.2%	Medium
1131	Maximum of Absolute Value Expression		Java	52.1%	Medium
1132	Reported Posts II		Java	34.6%	Medium
1133	Largest Unique Number		Java	67.2%	Easy
1134	Armstrong Number		Java	78.2%	Easy
1135	Connecting Cities With Minimum Cost	Solution	Java	59.0%	Medium
1136	Parallel Courses		Java	61.3%	Hard
1137	N-th Tribonacci Number	Solution	Java	56.1%	Easy
1138	Alphabet Board Path		Java	50.6%	Medium
1139	Largest 1-Bordered Square		Java	48.5%	Medium
1140	Stone Game II		Java	64.8%	Medium
1141	User Activity for the Past 30 Days I		Java	54.4%	Easy
1142	User Activity for the Past 30 Days II		Java	35.3%	Easy
1143	Longest Common Subsequence	Solution	Java	58.6%	Medium
1144	Decrease Elements To Make Array Zigzag		Java	46.0%	Medium
1145	Binary Tree Coloring Game		Java	51.4%	Medium
1146	Snapshot Array		Java	36.9%	Medium
1147	Longest Chunked Palindrome Decomposition		Java	59.4%	Hard
1148	Article Views I		Java	77.0%	Easy
1149	Article Views II		Java	48.4%	Medium
1150	Check If a Number Is Majority Element in a Sorted Array		Java	57.9%	Easy
1151	Minimum Swaps to Group All 1's Together	Solution	Java	58.3%	Medium
1152	Analyze User Website Visit Pattern		Java	43.3%	Medium
1153	String Transforms Into Another String		Java	36.0%	Hard
1154	Day of the Year		Java	49.3%	Easy
1155	Number of Dice Rolls With Target Sum		Java	47.6%	Medium
1156	Swap For Longest Repeated Character Substring		Java	47.4%	Medium
1157	Online Majority Element In Subarray		Java	39.5%	Hard
1158	Market Analysis I		Java	63.5%	Medium
1159	Market Analysis II		Java	55.1%	Hard
1160	Find Words That Can Be Formed by Characters		Java	67.5%	Easy
1161	Maximum Level Sum of a Binary Tree	Solution	Java	70.0%	Medium
1162	As Far from Land as Possible		Java	45.0%	Medium
1163	Last Substring in Lexicographical Order		Java	36.3%	Hard
1164	Product Price at a Given Date		Java	68.1%	Medium
1165	Single-Row Keyboard		Java	84.8%	Easy
1166	Design File System	Solution	Java	58.3%	Medium
1167	Minimum Cost to Connect Sticks	Solution	Java	64.2%	Medium
1168	Optimize Water Distribution in a Village		Java	61.9%	Hard
1169	Invalid Transactions		Java	31.5%	Medium
1170	Compare Strings by Frequency of the Smallest Character		Java	59.5%	Medium
1171	Remove Zero Sum Consecutive Nodes from Linked List		Java	41.4%	Medium
1172	Dinner Plate Stacks		Java	37.8%	Hard
1173	Immediate Food Delivery I		Java	82.2%	Easy
1174	Immediate Food Delivery II		Java	61.1%	Medium
1175	Prime Arrangements		Java	51.8%	Easy
1176	Diet Plan Performance		Java	54.0%	Easy
1177	Can Make Palindrome from Substring		Java	36.1%	Medium
1178	Number of Valid Words for Each Puzzle		Java	38.6%	Hard
1179	Reformat Department Table		Java	82.0%	Easy
1180	Count Substrings with Only One Distinct Letter	Solution	Java	77.6%	Easy
1181	Before and After Puzzle		Java	44.5%	Medium
1182	Shortest Distance to Target Color		Java	53.4%	Medium
1183	Maximum Number of Ones		Java	56.9%	Hard
1184	Distance Between Bus Stops		Java	54.1%	Easy
1185	Day of the Week		Java	61.9%	Easy
1186	Maximum Subarray Sum with One Deletion		Java	38.5%	Medium
1187	Make Array Strictly Increasing		Java	41.7%	Hard
1188	Design Bounded Blocking Queue		Java	72.6%	Medium
1189	Maximum Number of Balloons		Java	61.8%	Easy
1190	Reverse Substrings Between Each Pair of Parentheses		Java	64.0%	Medium
1191	K-Concatenation Maximum Sum		Java	25.4%	Medium
1192	Critical Connections in a Network		Java	49.9%	Hard
1193	Monthly Transactions I		Java	69.1%	Medium
1194	Tournament Winners		Java	52.0%	Hard
1195	Fizz Buzz Multithreaded		Java	70.4%	Medium
1196	How Many Apples Can You Put into the Basket	Solution	Java	68.2%	Easy
1197	Minimum Knight Moves		Java	37.1%	Medium
1198	Find Smallest Common Element in All Rows	Solution	Java	75.2%	Medium
1199	Minimum Time to Build Blocks		Java	38.4%	Hard
1200	Minimum Absolute Difference		Java	66.9%	Easy
1201	Ugly Number III		Java	26.4%	Medium
1202	Smallest String With Swaps		Java	48.5%	Medium
1203	Sort Items by Groups Respecting Dependencies		Java	49.1%	Hard
1204	Last Person to Fit in the Elevator		Java	71.5%	Medium
1205	Monthly Transactions II		Java	45.9%	Medium
1206	Design Skiplist		Java	58.8%	Hard
1207	Unique Number of Occurrences		Java	71.6%	Easy
1208	Get Equal Substrings Within Budget		Java	43.7%	Medium
1209	Remove All Adjacent Duplicates in String II	Solution	Java	57.3%	Medium
1210	Minimum Moves to Reach Target with Rotations		Java	46.3%	Hard
1211	Queries Quality and Percentage		Java	69.9%	Easy
1212	Team Scores in Football Tournament		Java	56.7%	Medium
1213	Intersection of Three Sorted Arrays	Solution	Java	79.2%	Easy
1214	Two Sum BSTs	Solution	Java	67.8%	Medium
1215	Stepping Numbers		Java	43.2%	Medium
1216	Valid Palindrome III	Solution	Java	49.6%	Hard
1217	Minimum Cost to Move Chips to The Same Position	Solution	Java	71.2%	Easy
1218	Longest Arithmetic Subsequence of Given Difference		Java	46.5%	Medium
1219	Path with Maximum Gold		Java	65.6%	Medium
1220	Count Vowels Permutation		Java	54.2%	Hard
1221	Split a String in Balanced Strings		Java	84.0%	Easy
1222	Queens That Can Attack the King		Java	69.3%	Medium
1223	Dice Roll Simulation		Java	46.7%	Medium
1224	Maximum Equal Frequency		Java	34.5%	Hard
1225	Report Contiguous Dates		Java	62.5%	Hard
1226	The Dining Philosophers		Java	59.7%	Medium
1227	Airplane Seat Assignment Probability		Java	62.1%	Medium
1228	Missing Number In Arithmetic Progression	Solution	Java	51.6%	Easy
1229	Meeting Scheduler		Java	54.3%	Medium
1230	Toss Strange Coins		Java	49.7%	Medium
1231	Divide Chocolate		Java	53.3%	Hard
1232	Check If It Is a Straight Line		Java	43.8%	Easy
1233	Remove Sub-Folders from the Filesystem		Java	61.7%	Medium
1234	Replace the Substring for Balanced String		Java	34.4%	Medium
1235	Maximum Profit in Job Scheduling		Java	47.0%	Hard
1236	Web Crawler		Java	64.5%	Medium
1237	Find Positive Integer Solution for a Given Equation		Java	69.7%	Easy
1238	Circular Permutation in Binary Representation		Java	65.9%	Medium
1239	Maximum Length of a Concatenated String with Unique Characters		Java	49.3%	Medium
1240	Tiling a Rectangle with the Fewest Squares		Java	52.3%	Hard
1241	Number of Comments per Post		Java	67.5%	Easy
1242	Web Crawler Multithreaded		Java	47.9%	Medium
1243	Array Transformation		Java	50.3%	Easy
1244	Design A Leaderboard	Solution	Java	65.9%	Medium
1245	Tree Diameter	Solution	Java	61.2%	Medium
1246	Palindrome Removal		Java	45.8%	Hard
1247	Minimum Swaps to Make Strings Equal		Java	62.3%	Medium
1248	Count Number of Nice Subarrays		Java	56.3%	Medium
1249	Minimum Remove to Make Valid Parentheses	Solution	Java	63.5%	Medium
1250	Check If It Is a Good Array		Java	56.3%	Hard
1251	Average Selling Price		Java	82.4%	Easy
1252	Cells with Odd Values in a Matrix		Java	78.6%	Easy
1253	Reconstruct a 2-Row Binary Matrix		Java	41.4%	Medium
1254	Number of Closed Islands		Java	61.4%	Medium
1255	Maximum Score Words Formed by Letters		Java	69.8%	Hard
1256	Encode Number		Java	67.5%	Medium
1257	Smallest Common Region		Java	60.4%	Medium
1258	Synonymous Sentences		Java	64.9%	Medium
1259	Handshakes That Don't Cross		Java	54.1%	Hard
1260	Shift 2D Grid	Solution	Java	61.8%	Easy
1261	Find Elements in a Contaminated Binary Tree		Java	74.5%	Medium
1262	Greatest Sum Divisible by Three		Java	49.3%	Medium
1263	Minimum Moves to Move a Box to Their Target Location		Java	42.8%	Hard
1264	Page Recommendations		Java	69.2%	Medium
1265	Print Immutable Linked List in Reverse		Java	94.4%	Medium
1266	Minimum Time Visiting All Points		Java	79.3%	Easy
1267	Count Servers that Communicate		Java	57.8%	Medium
1268	Search Suggestions System	Solution	Java	64.5%	Medium
1269	Number of Ways to Stay in the Same Place After Some Steps		Java	43.3%	Hard
1270	All People Report to the Given Manager		Java	88.4%	Medium
1271	Hexspeak		Java	55.3%	Easy
1272	Remove Interval	Solution	Java	57.8%	Medium
1273	Delete Tree Nodes		Java	62.4%	Medium
1274	Number of Ships in a Rectangle		Java	66.3%	Hard
1275	Find Winner on a Tic Tac Toe Game		Java	52.9%	Easy
1276	Number of Burgers with No Waste of Ingredients		Java	50.0%	Medium
1277	Count Square Submatrices with All Ones		Java	72.9%	Medium
1278	Palindrome Partitioning III		Java	60.6%	Hard
1279	Traffic Light Controlled Intersection		Java	75.7%	Easy
1280	Students and Examinations		Java	74.3%	Easy
1281	Subtract the Product and Sum of Digits of an Integer		Java	85.6%	Easy
1282	Group the People Given the Group Size They Belong To		Java	84.3%	Medium
1283	Find the Smallest Divisor Given a Threshold	Solution	Java	49.2%	Medium
1284	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix		Java	70.1%	Hard
1285	Find the Start and End Number of Continuous Ranges		Java	86.9%	Medium
1286	Iterator for Combination	Solution	Java	70.9%	Medium
1287	Element Appearing More Than 25% In Sorted Array		Java	60.2%	Easy
1288	Remove Covered Intervals	Solution	Java	57.2%	Medium
1289	Minimum Falling Path Sum II		Java	62.3%	Hard
1290	Convert Binary Number in a Linked List to Integer	Solution	Java	81.7%	Easy
1291	Sequential Digits	Solution	Java	57.4%	Medium
1292	Maximum Side Length of a Square with Sum Less than or Equal to Threshold		Java	50.5%	Medium
1293	Shortest Path in a Grid with Obstacles Elimination		Java	42.9%	Hard
1294	Weather Type in Each Country		Java	66.2%	Easy
1295	Find Numbers with Even Number of Digits		Java	79.3%	Easy
1296	Divide Array in Sets of K Consecutive Numbers		Java	55.3%	Medium
1297	Maximum Number of Occurrences of a Substring		Java	49.2%	Medium
1298	Maximum Candies You Can Get from Boxes		Java	59.6%	Hard
1299	Replace Elements with Greatest Element on Right Side		Java	74.2%	Easy
1300	Sum of Mutated Array Closest to Target		Java	43.3%	Medium
1301	Number of Paths with Max Score		Java	38.0%	Hard
1302	Deepest Leaves Sum	Solution	Java	84.1%	Medium
1303	Find the Team Size		Java	89.4%	Easy
1304	Find N Unique Integers Sum up to Zero		Java	76.7%	Easy
1305	All Elements in Two Binary Search Trees	Solution	Java	77.8%	Medium
1306	Jump Game III	Solution	Java	62.6%	Medium
1307	Verbal Arithmetic Puzzle		Java	37.1%	Hard
1308	Running Total for Different Genders		Java	87.1%	Medium
1309	Decrypt String from Alphabet to Integer Mapping		Java	77.2%	Easy
1310	XOR Queries of a Subarray		Java	69.2%	Medium
1311	Get Watched Videos by Your Friends		Java	44.1%	Medium
1312	Minimum Insertion Steps to Make a String Palindrome		Java	59.3%	Hard
1313	Decompress Run-Length Encoded List		Java	85.3%	Easy
1314	Matrix Block Sum		Java	73.6%	Medium
1315	Sum of Nodes with Even-Valued Grandparent		Java	84.1%	Medium
1316	Distinct Echo Substrings		Java	49.7%	Hard
1317	Convert Integer to the Sum of Two No-Zero Integers		Java	56.8%	Easy
1318	Minimum Flips to Make a OR b Equal to c		Java	63.8%	Medium
1319	Number of Operations to Make Network Connected		Java	54.8%	Medium
1320	Minimum Distance to Type a Word Using Two Fingers		Java	62.8%	Hard
1321	Restaurant Growth		Java	70.6%	Medium
1322	Ads Performance		Java	57.8%	Easy
1323	Maximum 69 Number		Java	78.0%	Easy
1324	Print Words Vertically		Java	58.7%	Medium
1325	Delete Leaves With a Given Value		Java	73.5%	Medium
1326	Minimum Number of Taps to Open to Water a Garden		Java	46.2%	Hard
1327	List the Products Ordered in a Period		Java	77.4%	Easy
1328	Break a Palindrome		Java	45.6%	Medium
1329	Sort the Matrix Diagonally	Solution	Java	79.4%	Medium
1330	Reverse Subarray To Maximize Array Value		Java	36.5%	Hard
1331	Rank Transform of an Array		Java	57.6%	Easy
1332	Remove Palindromic Subsequences	Solution	Java	62.8%	Easy
1333	Filter Restaurants by Vegan-Friendly, Price and Distance		Java	57.0%	Medium
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance		Java	46.6%	Medium
1335	Minimum Difficulty of a Job Schedule		Java	57.4%	Hard
1336	Number of Transactions per Visit		Java	47.4%	Hard
1337	The K Weakest Rows in a Matrix	Solution	Java	69.7%	Easy
1338	Reduce Array Size to The Half	Solution	Java	66.7%	Medium
1339	Maximum Product of Splitted Binary Tree	Solution	Java	38.0%	Medium
1340	Jump Game V		Java	59.0%	Hard
1341	Movie Rating		Java	58.6%	Medium
1342	Number of Steps to Reduce a Number to Zero	Solution	Java	85.7%	Easy
1343	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold		Java	64.5%	Medium
1344	Angle Between Hands of a Clock	Solution	Java	61.2%	Medium
1345	Jump Game IV	Solution	Java	41.9%	Hard
1346	Check If N and Its Double Exist		Java	36.5%	Easy
1347	Minimum Number of Steps to Make Two Strings Anagram		Java	75.3%	Medium
1348	Tweet Counts Per Frequency		Java	34.1%	Medium
1349	Maximum Students Taking Exam		Java	44.0%	Hard
1350	Students With Invalid Departments		Java	90.6%	Easy
1351	Count Negative Numbers in a Sorted Matrix		Java	75.9%	Easy
1352	Product of the Last K Numbers		Java	43.9%	Medium
1353	Maximum Number of Events That Can Be Attended		Java	30.1%	Medium
1354	Construct Target Array With Multiple Sums	Solution	Java	31.3%	Hard
1355	Activity Participants		Java	74.2%	Medium
1356	Sort Integers by The Number of 1 Bits		Java	69.6%	Easy
1357	Apply Discount Every n Orders		Java	66.6%	Medium
1358	Number of Substrings Containing All Three Characters		Java	60.4%	Medium
1359	Count All Valid Pickup and Delivery Options		Java	56.8%	Hard
1360	Number of Days Between Two Dates		Java	46.9%	Easy
1361	Validate Binary Tree Nodes		Java	44.3%	Medium
1362	Closest Divisors		Java	57.5%	Medium
1363	Largest Multiple of Three		Java	33.9%	Hard
1364	Number of Trusted Contacts of a Customer		Java	78.1%	Medium
1365	How Many Numbers Are Smaller Than the Current Number		Java	85.9%	Easy
1366	Rank Teams by Votes		Java	55.0%	Medium
1367	Linked List in Binary Tree		Java	41.1%	Medium
1368	Minimum Cost to Make at Least One Valid Path in a Grid		Java	56.9%	Hard
1369	Get the Second Most Recent Activity		Java	68.4%	Hard
1370	Increasing Decreasing String		Java	76.4%	Easy
1371	Find the Longest Substring Containing Vowels in Even Counts		Java	61.2%	Medium
1372	Longest ZigZag Path in a Binary Tree		Java	54.6%	Medium
1373	Maximum Sum BST in Binary Tree		Java	37.6%	Hard
1374	Generate a String With Characters That Have Odd Counts		Java	76.2%	Easy
1375	Bulb Switcher III		Java	64.1%	Medium
1376	Time Needed to Inform All Employees		Java	56.3%	Medium
1377	Frog Position After T Seconds		Java	34.8%	Hard
1378	Replace Employee ID With The Unique Identifier		Java	89.8%	Easy
1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	Solution	Java	85.0%	Medium
1380	Lucky Numbers in a Matrix		Java	70.8%	Easy
1381	Design a Stack With Increment Operation		Java	75.8%	Medium
1382	Balance a Binary Search Tree		Java	76.1%	Medium
1383	Maximum Performance of a Team		Java	35.2%	Hard
1384	Total Sales Amount by Year		Java	64.4%	Hard
1385	Find the Distance Value Between Two Arrays		Java	66.4%	Easy
1386	Cinema Seat Allocation		Java	35.5%	Medium
1387	Sort Integers by The Power Value		Java	70.5%	Medium
1388	Pizza With 3n Slices		Java	45.4%	Hard
1389	Create Target Array in the Given Order		Java	84.7%	Easy
1390	Four Divisors		Java	39.0%	Medium
1391	Check if There is a Valid Path in a Grid		Java	44.9%	Medium
1392	Longest Happy Prefix		Java	41.3%	Hard
1393	Capital Gain/Loss		Java	90.6%	Medium
1394	Find Lucky Integer in an Array	Solution	Java	63.2%	Easy
1395	Count Number of Teams		Java	80.8%	Medium
1396	Design Underground System	Solution	Java	69.0%	Medium
1397	Find All Good Strings		Java	38.1%	Hard
1398	Customers Who Bought Products A and B but Not C		Java	82.1%	Medium
1399	Count Largest Group		Java	65.4%	Easy
1400	Construct K Palindrome Strings		Java	62.8%	Medium
1401	Circle and Rectangle Overlapping		Java	42.3%	Medium
1402	Reducing Dishes		Java	72.3%	Hard
1403	Minimum Subsequence in Non-Increasing Order		Java	71.1%	Easy
1404	Number of Steps to Reduce a Number in Binary Representation to One		Java	49.9%	Medium
1405	Longest Happy String		Java	52.2%	Medium
1406	Stone Game III		Java	57.3%	Hard
1407	Top Travellers		Java	83.6%	Easy
1408	String Matching in an Array		Java	62.8%	Easy
1409	Queries on a Permutation With Key		Java	81.4%	Medium
1410	HTML Entity Parser		Java	54.4%	Medium
1411	Number of Ways to Paint N × 3 Grid		Java	60.4%	Hard
1412	Find the Quiet Students in All Exams		Java	65.5%	Hard
1413	Minimum Value to Get Positive Step by Step Sum		Java	65.4%	Easy
1414	Find the Minimum Number of Fibonacci Numbers Whose Sum Is K		Java	63.8%	Medium
1415	The k-th Lexicographical String of All Happy Strings of Length n		Java	69.9%	Medium
1416	Restore The Array		Java	36.3%	Hard
1417	Reformat The String		Java	55.4%	Easy
1418	Display Table of Food Orders in a Restaurant		Java	68.4%	Medium
1419	Minimum Number of Frogs Croaking		Java	47.3%	Medium
1420	Build Array Where You Can Find The Maximum Exactly K Comparisons		Java	64.3%	Hard
1421	NPV Queries		Java	81.9%	Medium
1422	Maximum Score After Splitting a String		Java	56.0%	Easy
1423	Maximum Points You Can Obtain from Cards		Java	46.4%	Medium
1424	Diagonal Traverse II		Java	45.6%	Medium
1425	Constrained Subsequence Sum		Java	45.0%	Hard
1426	Counting Elements	Solution	Java	59.0%	Easy
1427	Perform String Shifts	Solution	Java	53.4%	Easy
1428	Leftmost Column with at Least a One	Solution	Java	48.8%	Medium
1429	First Unique Number	Solution	Java	49.2%	Medium
1430	Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree		Java	45.1%	Medium
1431	Kids With the Greatest Number of Candies		Java	88.5%	Easy
1432	Max Difference You Can Get From Changing an Integer		Java	42.9%	Medium
1433	Check If a String Can Break Another String		Java	67.0%	Medium
1434	Number of Ways to Wear Different Hats to Each Other		Java	39.1%	Hard
1435	Create a Session Bar Chart		Java	77.7%	Easy
1436	Destination City		Java	77.0%	Easy
1437	Check If All 1's Are at Least Length K Places Away	Solution	Java	61.8%	Medium
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit		Java	44.1%	Medium
1439	Find the Kth Smallest Sum of a Matrix With Sorted Rows		Java	60.0%	Hard
1440	Evaluate Boolean Expression		Java	74.7%	Medium
1441	Build an Array With Stack Operations		Java	69.1%	Easy
1442	Count Triplets That Can Form Two Arrays of Equal XOR		Java	71.0%	Medium
1443	Minimum Time to Collect All Apples in a Tree		Java	54.6%	Medium
1444	Number of Ways of Cutting a Pizza		Java	53.7%	Hard
1445	Apples & Oranges		Java	90.7%	Medium
1446	Consecutive Characters	Solution	Java	61.1%	Easy
1447	Simplified Fractions		Java	62.2%	Medium
1448	Count Good Nodes in Binary Tree		Java	70.3%	Medium
1449	Form Largest Integer With Digits That Add up to Target		Java	43.8%	Hard
1450	Number of Students Doing Homework at a Given Time		Java	77.0%	Easy
1451	Rearrange Words in a Sentence		Java	59.1%	Medium
1452	People Whose List of Favorite Companies Is Not a Subset of Another List		Java	54.9%	Medium
1453	Maximum Number of Darts Inside of a Circular Dartboard		Java	35.2%	Hard
1454	Active Users		Java	38.6%	Medium
1455	Check If a Word Occurs As a Prefix of Any Word in a Sentence		Java	64.7%	Easy
1456	Maximum Number of Vowels in a Substring of Given Length		Java	54.4%	Medium
1457	Pseudo-Palindromic Paths in a Binary Tree	Solution	Java	71.3%	Medium
1458	Max Dot Product of Two Subsequences		Java	42.9%	Hard
1459	Rectangles Area		Java	64.3%	Medium
1460	Make Two Arrays Equal by Reversing Sub-arrays		Java	72.1%	Easy
1461	Check If a String Contains All Binary Codes of Size K	Solution	Java	47.0%	Medium
1462	Course Schedule IV		Java	44.4%	Medium
1463	Cherry Pickup II	Solution	Java	69.4%	Hard
1464	Maximum Product of Two Elements in an Array		Java	76.9%	Easy
1465	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts		Java	31.7%	Medium
1466	Reorder Routes to Make All Paths Lead to the City Zero		Java	61.3%	Medium
1467	Probability of a Two Boxes Having The Same Number of Distinct Balls		Java	61.0%	Hard
1468	Calculate Salaries		Java	81.3%	Medium
1469	Find All The Lonely Nodes		Java	80.6%	Easy
1470	Shuffle the Array		Java	88.5%	Easy
1471	The k Strongest Values in an Array		Java	58.4%	Medium
1472	Design Browser History		Java	70.3%	Medium
1473	Paint House III		Java	48.7%	Hard
1474	Delete N Nodes After M Nodes of a Linked List	Solution	Java	74.6%	Easy
1475	Final Prices With a Special Discount in a Shop		Java	74.8%	Easy
1476	Subrectangle Queries		Java	88.5%	Medium
1477	Find Two Non-overlapping Sub-arrays Each With Target Sum		Java	34.1%	Medium
1478	Allocate Mailboxes		Java	54.2%	Hard
1479	Sales by Day of the Week		Java	83.8%	Hard
1480	Running Sum of 1d Array		Java	89.5%	Easy
1481	Least Number of Unique Integers after K Removals		Java	55.6%	Medium
1482	Minimum Number of Days to Make m Bouquets		Java	49.8%	Medium
1483	Kth Ancestor of a Tree Node		Java	30.3%	Hard
1484	Group Sold Products By The Date		Java	85.8%	Easy
1485	Clone Binary Tree With Random Pointer	Solution	Java	79.5%	Medium
1486	XOR Operation in an Array		Java	84.0%	Easy
1487	Making File Names Unique		Java	30.5%	Medium
1488	Avoid Flood in The City		Java	24.7%	Medium
1489	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree		Java	52.3%	Hard
1490	Clone N-ary Tree		Java	83.5%	Medium
1491	Average Salary Excluding the Minimum and Maximum Salary		Java	68.3%	Easy
1492	The kth Factor of n	Solution	Java	63.4%	Medium
1493	Longest Subarray of 1's After Deleting One Element		Java	58.2%	Medium
1494	Parallel Courses II		Java	31.5%	Hard
1495	Friendly Movies Streamed Last Month		Java	51.3%	Easy
1496	Path Crossing		Java	55.5%	Easy
1497	Check If Array Pairs Are Divisible by k		Java	40.5%	Medium
1498	Number of Subsequences That Satisfy the Given Sum Condition		Java	38.2%	Medium
1499	Max Value of Equation		Java	45.2%	Hard
1500	Design a File Sharing System		Java	46.1%	Medium
1501	Countries You Can Safely Invest In		Java	60.1%	Medium
1502	Can Make Arithmetic Progression From Sequence		Java	70.7%	Easy
1503	Last Moment Before All Ants Fall Out of a Plank		Java	53.0%	Medium
1504	Count Submatrices With All Ones		Java	60.9%	Medium
1505	Minimum Possible Integer After at Most K Adjacent Swaps On Digits		Java	36.1%	Hard
1506	Find Root of N-Ary Tree	Solution	Java	80.6%	Medium
1507	Reformat Date		Java	60.2%	Easy
1508	Range Sum of Sorted Subarray Sums		Java	62.0%	Medium
1509	Minimum Difference Between Largest and Smallest Value in Three Moves		Java	51.8%	Medium
1510	Stone Game IV	Solution	Java	58.7%	Hard
1511	Customer Order Frequency		Java	73.4%	Easy
1512	Number of Good Pairs		Java	87.9%	Easy
1513	Number of Substrings With Only 1s		Java	41.4%	Medium
1514	Path with Maximum Probability		Java	39.6%	Medium
1515	Best Position for a Service Centre		Java	37.0%	Hard
1516	Move Sub-Tree of N-Ary Tree		Java	62.8%	Hard
1517	Find Users With Valid E-Mails		Java	71.8%	Easy
1518	Water Bottles		Java	60.7%	Easy
1519	Number of Nodes in the Sub-Tree With the Same Label		Java	36.9%	Medium
1520	Maximum Number of Non-Overlapping Substrings		Java	36.1%	Hard
1521	Find a Value of a Mysterious Function Closest to Target		Java	44.4%	Hard
1522	Diameter of N-Ary Tree	Solution	Java	68.8%	Medium
1523	Count Odd Numbers in an Interval Range		Java	54.9%	Easy
1524	Number of Sub-arrays With Odd Sum		Java	39.6%	Medium
1525	Number of Good Ways to Split a String		Java	66.7%	Medium
1526	Minimum Number of Increments on Subarrays to Form a Target Array		Java	59.8%	Hard
1527	Patients With a Condition		Java	74.6%	Easy
1528	Shuffle String		Java	85.8%	Easy
1529	Bulb Switcher IV		Java	70.9%	Medium
1530	Number of Good Leaf Nodes Pairs		Java	55.8%	Medium
1531	String Compression II		Java	33.3%	Hard
1532	The Most Recent Three Orders		Java	73.0%	Medium
1533	Find the Index of the Large Integer		Java	54.7%	Medium
1534	Count Good Triplets		Java	80.2%	Easy
1535	Find the Winner of an Array Game		Java	47.2%	Medium
1536	Minimum Swaps to Arrange a Binary Grid		Java	43.1%	Medium
1537	Get the Maximum Score		Java	36.4%	Hard
1538	Guess the Majority in a Hidden Array		Java	61.5%	Medium
1539	Kth Missing Positive Number	Solution	Java	55.3%	Easy
1540	Can Convert String in K Moves		Java	30.6%	Medium
1541	Minimum Insertions to Balance a Parentheses String		Java	42.6%	Medium
1542	Find Longest Awesome Substring		Java	36.5%	Hard
1543	Fix Product Name Format		Java	68.0%	Easy
1544	Make The String Great		Java	55.1%	Easy
1545	Find Kth Bit in Nth Binary String		Java	57.3%	Medium
1546	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target		Java	43.8%	Medium
1547	Minimum Cost to Cut a Stick		Java	52.1%	Hard
1548	The Most Similar Path in a Graph		Java	54.0%	Hard
1549	The Most Recent Orders for Each Product		Java	66.2%	Medium
1550	Three Consecutive Odds		Java	65.3%	Easy
1551	Minimum Operations to Make Array Equal	Solution	Java	77.8%	Medium
1552	Magnetic Force Between Two Balls		Java	48.6%	Medium
1553	Minimum Number of Days to Eat N Oranges		Java	29.2%	Hard
1554	Strings Differ by One Character		Java	63.8%	Medium
1555	Bank Account Summary		Java	52.8%	Medium
1556	Thousand Separator		Java	58.1%	Easy
1557	Minimum Number of Vertices to Reach All Nodes		Java	75.4%	Medium
1558	Minimum Numbers of Function Calls to Make Target Array		Java	62.5%	Medium
1559	Detect Cycles in 2D Grid		Java	44.7%	Hard
1560	Most Visited Sector in a Circular Track		Java	57.0%	Easy
1561	Maximum Number of Coins You Can Get		Java	77.9%	Medium
1562	Find Latest Group of Size M		Java	39.4%	Medium
1563	Stone Game V		Java	40.1%	Hard
1564	Put Boxes Into the Warehouse I		Java	66.0%	Medium
1565	Unique Orders and Customers Per Month		Java	83.4%	Easy
1566	Detect Pattern of Length M Repeated K or More Times		Java	42.3%	Easy
1567	Maximum Length of Subarray With Positive Product		Java	36.5%	Medium
1568	Minimum Number of Days to Disconnect Island		Java	50.3%	Hard
1569	Number of Ways to Reorder Array to Get Same BST		Java	49.9%	Hard
1570	Dot Product of Two Sparse Vectors	Solution	Java	91.4%	Medium
1571	Warehouse Manager		Java	90.0%	Easy
1572	Matrix Diagonal Sum		Java	78.2%	Easy
1573	Number of Ways to Split a String		Java	30.9%	Medium
1574	Shortest Subarray to be Removed to Make Array Sorted		Java	33.0%	Medium
1575	Count All Possible Routes		Java	57.4%	Hard
1576	Replace All ?'s to Avoid Consecutive Repeating Characters		Java	48.1%	Easy
1577	Number of Ways Where Square of Number Is Equal to Product of Two Numbers		Java	37.3%	Medium
1578	Minimum Deletion Cost to Avoid Repeating Letters		Java	60.4%	Medium
1579	Remove Max Number of Edges to Keep Graph Fully Traversable		Java	45.8%	Hard
1580	Put Boxes Into the Warehouse II		Java	62.1%	Medium
1581	Customer Who Visited but Did Not Make Any Transactions		Java	90.2%	Easy
1582	Special Positions in a Binary Matrix		Java	64.4%	Easy
1583	Count Unhappy Friends		Java	53.9%	Medium
1584	Min Cost to Connect All Points		Java	50.5%	Medium
1585	Check If String Is Transformable With Substring Sort Operations		Java	48.1%	Hard
1586	Binary Search Tree Iterator II	Solution	Java	66.5%	Medium
1587	Bank Account Summary II		Java	90.3%	Easy
1588	Sum of All Odd Length Subarrays		Java	82.0%	Easy
1589	Maximum Sum Obtained of Any Permutation		Java	34.7%	Medium
1590	Make Sum Divisible by P		Java	27.2%	Medium
1591	Strange Printer II		Java	55.3%	Hard
1592	Rearrange Spaces Between Words		Java	43.8%	Easy
1593	Split a String Into the Max Number of Unique Substrings		Java	48.3%	Medium
1594	Maximum Non Negative Product in a Matrix		Java	31.9%	Medium
1595	Minimum Cost to Connect Two Groups of Points		Java	42.8%	Hard
1596	The Most Frequently Ordered Products for Each Customer		Java	84.5%	Medium
1597	Build Binary Expression Tree From Infix Expression		Java	65.7%	Hard
1598	Crawler Log Folder		Java	64.2%	Easy
1599	Maximum Profit of Operating a Centennial Wheel		Java	43.5%	Medium
1600	Throne Inheritance		Java	59.8%	Medium
1601	Maximum Number of Achievable Transfer Requests		Java	47.5%	Hard
1602	Find Nearest Right Node in Binary Tree	Solution	Java	73.9%	Medium
1603	Design Parking System		Java	86.7%	Easy
1604	Alert Using Same Key-Card Three or More Times in a One Hour Period		Java	42.2%	Medium
1605	Find Valid Matrix Given Row and Column Sums		Java	77.7%	Medium
1606	Find Servers That Handled Most Number of Requests		Java	36.8%	Hard
1607	Sellers With No Sales		Java	55.9%	Easy
1608	Special Array With X Elements Greater Than or Equal X		Java	61.9%	Easy
1609	Even Odd Tree		Java	53.2%	Medium
1610	Maximum Number of Visible Points		Java	28.7%	Hard
1611	Minimum One Bit Operations to Make Integers Zero		Java	57.1%	Hard
1612	Check If Two Expression Trees are Equivalent		Java	69.8%	Medium
1613	Find the Missing IDs		Java	72.4%	Medium
1614	Maximum Nesting Depth of the Parentheses		Java	83.4%	Easy
1615	Maximal Network Rank		Java	51.7%	Medium
1616	Split Two Strings to Make Palindrome		Java	36.4%	Medium
1617	Count Subtrees With Max Distance Between Cities		Java	63.5%	Hard
1618	Maximum Font to Fit a Sentence in a Screen		Java	58.1%	Medium
1619	Mean of Array After Removing Some Elements		Java	65.5%	Easy
1620	Coordinate With Maximum Network Quality		Java	37.0%	Medium
1621	Number of Sets of K Non-Overlapping Line Segments		Java	41.3%	Medium
1622	Fancy Sequence		Java	15.6%	Hard
1623	All Valid Triplets That Can Represent a Country		Java	89.1%	Easy
1624	Largest Substring Between Two Equal Characters		Java	59.1%	Easy
1625	Lexicographically Smallest String After Applying Operations		Java	63.5%	Medium
1626	Best Team With No Conflicts		Java	37.3%	Medium
1627	Graph Connectivity With Threshold		Java	38.2%	Hard
1628	Design an Expression Tree With Evaluate Function		Java	80.6%	Medium
1629	Slowest Key		Java	58.9%	Easy
1630	Arithmetic Subarrays		Java	77.6%	Medium
1631	Path With Minimum Effort	Solution	Java	43.5%	Medium
1632	Rank Transform of a Matrix	Solution	Java	30.5%	Hard
1633	Percentage of Users Attended a Contest		Java	73.4%	Easy
1634	Add Two Polynomials Represented as Linked Lists		Java	55.7%	Medium
1635	Hopper Company Queries I		Java	55.9%	Hard
1636	Sort Array by Increasing Frequency		Java	66.8%	Easy
1637	Widest Vertical Area Between Two Points Containing No Points		Java	83.7%	Medium
1638	Count Substrings That Differ by One Character		Java	68.1%	Medium
1639	Number of Ways to Form a Target String Given a Dictionary		Java	39.3%	Hard
1640	Check Array Formation Through Concatenation	Solution	Java	62.0%	Easy
1641	Count Sorted Vowel Strings	Solution	Java	77.6%	Medium
1642	Furthest Building You Can Reach	Solution	Java	51.3%	Medium
1643	Kth Smallest Instructions		Java	43.0%	Hard
1644	Lowest Common Ancestor of a Binary Tree II		Java	57.6%	Medium
1645	Hopper Company Queries II		Java	41.4%	Hard
1646	Get Maximum in Generated Array	Solution	Java	53.7%	Easy
1647	Minimum Deletions to Make Character Frequencies Unique		Java	53.8%	Medium
1648	Sell Diminishing-Valued Colored Balls		Java	30.9%	Medium
1649	Create Sorted Array through Instructions	Solution	Java	36.1%	Hard
1650	Lowest Common Ancestor of a Binary Tree III		Java	77.3%	Medium
1651	Hopper Company Queries III		Java	66.7%	Hard
1652	Defuse the Bomb		Java	64.1%	Easy
1653	Minimum Deletions to Make String Balanced		Java	49.9%	Medium
1654	Minimum Jumps to Reach Home		Java	26.2%	Medium
1655	Distribute Repeating Integers		Java	40.5%	Hard
1656	Design an Ordered Stream		Java	82.4%	Easy
1657	Determine if Two Strings Are Close	Solution	Java	51.3%	Medium
1658	Minimum Operations to Reduce X to Zero	Solution	Java	33.4%	Medium
1659	Maximize Grid Happiness		Java	35.1%	Hard
1660	Correct a Binary Tree		Java	79.3%	Medium
1661	Average Time of Process per Machine		Java	79.1%	Easy
1662	Check If Two String Arrays are Equivalent	Solution	Java	83.6%	Easy
1663	Smallest String With A Given Numeric Value	Solution	Java	60.1%	Medium
1664	Ways to Make a Fair Array		Java	60.6%	Medium
1665	Minimum Initial Energy to Finish Tasks		Java	67.8%	Hard
1666	Change the Root of a Binary Tree		Java	68.4%	Medium
1667	Fix Names in a Table		Java	64.1%	Easy
1668	Maximum Repeating Substring		Java	38.8%	Easy
1669	Merge In Between Linked Lists		Java	78.1%	Medium
1670	Design Front Middle Back Queue		Java	54.7%	Medium
1671	Minimum Number of Removals to Make Mountain Array		Java	45.7%	Hard
1672	Richest Customer Wealth		Java	88.5%	Easy
1673	Find the Most Competitive Subsequence	Solution	Java	38.4%	Medium
1674	Minimum Moves to Make Array Complementary		Java	34.5%	Medium
1675	Minimize Deviation in Array	Solution	Java	44.9%	Hard
1676	Lowest Common Ancestor of a Binary Tree IV		Java	77.9%	Medium
1677	Product's Worth Over Invoices		Java	74.8%	Easy
1678	Goal Parser Interpretation		Java	86.6%	Easy
1679	Max Number of K-Sum Pairs	Solution	Java	54.6%	Medium
1680	Concatenation of Consecutive Binary Numbers	Solution	Java	45.2%	Medium
1681	Minimum Incompatibility		Java	35.0%	Hard
1682	Longest Palindromic Subsequence II		Java	51.7%	Medium
1683	Invalid Tweets		Java	91.3%	Easy
1684	Count the Number of Consistent Strings		Java	84.1%	Easy
1685	Sum of Absolute Differences in a Sorted Array		Java	61.8%	Medium
1686	Stone Game VI		Java	48.8%	Medium
1687	Delivering Boxes from Storage to Ports		Java	34.7%	Hard
1688	Count of Matches in Tournament		Java	83.1%	Easy
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	Solution	Java	88.0%	Medium
1690	Stone Game VII	Solution	Java	46.7%	Medium
1691	Maximum Height by Stacking Cuboids		Java	49.8%	Hard
1692	Count Ways to Distribute Candies		Java	61.8%	Hard
1693	Daily Leads and Partners		Java	90.8%	Easy
1694	Reformat Phone Number		Java	67.0%	Easy
1695	Maximum Erasure Value	Solution	Java	49.5%	Medium
1696	Jump Game VI	Solution	Java	55.3%	Medium
1697	Checking Existence of Edge Length Limited Paths		Java	56.4%	Hard
1698	Number of Distinct Substrings in a String		Java	55.8%	Medium
1699	Number of Calls Between Two Persons		Java	85.9%	Medium
1700	Number of Students Unable to Eat Lunch		Java	70.1%	Easy
1701	Average Waiting Time		Java	61.5%	Medium
1702	Maximum Binary String After Change		Java	61.5%	Medium
1703	Minimum Adjacent Swaps for K Consecutive Ones		Java	40.9%	Hard
1704	Determine if String Halves Are Alike	Solution	Java	78.1%	Easy
1705	Maximum Number of Eaten Apples	Solution	Java	42.3%	Medium
1706	Where Will the Ball Fall		Java	58.4%	Medium
1707	Maximum XOR With an Element From Array		Java	48.0%	Hard
1708	Largest Subarray Length K		Java	64.3%	Easy
1709	Biggest Window Between Visits		Java	82.1%	Medium
1710	Maximum Units on a Truck	Solution	Java	71.6%	Easy
1711	Count Good Meals		Java	25.7%	Medium
1712	Ways to Split Array Into Three Subarrays	Solution	Java	29.8%	Medium
1713	Minimum Operations to Make a Subsequence		Java	45.5%	Hard
1714	Sum Of Special Evenly-Spaced Elements In Array		Java	47.1%	Hard
1715	Count Apples and Oranges		Java	78.4%	Medium
1716	Calculate Money in Leetcode Bank		Java	69.3%	Easy
1717	Maximum Score From Removing Substrings		Java	38.2%	Medium
1718	Construct the Lexicographically Largest Valid Sequence		Java	43.1%	Medium
1719	Number Of Ways To Reconstruct A Tree		Java	39.9%	Hard
1720	Decode XORed Array		Java	86.2%	Easy
1721	Swapping Nodes in a Linked List	Solution	Java	65.7%	Medium
1722	Minimize Hamming Distance After Swap Operations		Java	56.7%	Medium
1723	Find Minimum Time to Finish All Jobs		Java	44.5%	Hard
1724	Checking Existence of Edge Length Limited Paths II    New		Java	59.8%	Hard
1725	Number Of Rectangles That Can Form The Largest Square    New		Java	77.7%	Easy
1726	Tuple with Same Product    New		Java	52.5%	Medium
1727	Largest Submatrix With Rearrangements     New		Java	55.9%	Medium
1728	Cat and Mouse II    New		Java	37.8%	Hard
1729	Find Followers Count    New		Java	71.5%	Easy
Easy:458 Medium: 904 Hard: 367