Meta Interview Questions — CS-Next ByCompany

1381 of 1381

No.	Problem	Difficulty	Frequency
408	Valid Word Abbreviation	Easy	100.0%
680	Valid Palindrome II String	Easy	100.0%
1249	Minimum Remove to Make Valid Parentheses Stack/Queue	Medium	100.0%
1	Two Sum Sliding Window	Easy	87.5%
50	Pow(x, n) Math	Medium	87.5%
56	Merge Intervals	Medium	87.5%
71	Simplify Path	Medium	87.5%
88	Merge Sorted Array Array	Easy	87.5%
121	Best Time to Buy and Sell Stock	Easy	87.5%
125	Valid Palindrome String	Easy	87.5%
162	Find Peak Element Binary Search	Medium	87.5%
199	Binary Tree Right Side View Tree	Medium	87.5%
215	Kth Largest Element in an Array ArrayHeap	Medium	87.5%
227	Basic Calculator II	Medium	87.5%
236	Lowest Common Ancestor of a Binary Tree Tree	Medium	87.5%
314	Binary Tree Vertical Order Traversal Tree	Medium	87.5%
339	Nested List Weight Sum	Medium	87.5%
543	Diameter of Binary Tree Tree	Easy	87.5%
560	Subarray Sum Equals K Array	Medium	87.5%
528	Random Pick with Weight	Medium	87.5%
1650	Lowest Common Ancestor of a Binary Tree III Tree	Medium	87.5%
1762	Buildings With an Ocean View	Medium	87.5%
2	Add Two Numbers Math	Medium	75.0%
14	Longest Common Prefix DP	Easy	75.0%
15	3Sum	Medium	75.0%
20	Valid Parentheses Stack/Queue	Easy	75.0%
23	Merge k Sorted Lists	Hard	75.0%
31	Next Permutation	Medium	75.0%
34	Find First and Last Position of Element in Sorted Array Array	Medium	75.0%
76	Minimum Window Substring StringTreeSliding Window	Hard	75.0%
129	Sum Root to Leaf Numbers Math	Medium	75.0%
133	Clone Graph Graph	Medium	75.0%
138	Copy List with Random Pointer	Medium	75.0%
146	LRU Cache	Medium	75.0%
346	Moving Average from Data Stream	Easy	75.0%
347	Top K Frequent Elements Heap	Medium	75.0%
670	Maximum Swap	Medium	75.0%
791	Custom Sort String String	Medium	75.0%
827	Making A Large Island Graph	Hard	75.0%
921	Minimum Add to Make Parentheses Valid	Medium	75.0%
938	Range Sum of BST Tree	Easy	75.0%
973	K Closest Points to Origin	Medium	75.0%
986	Interval List Intersections	Medium	75.0%
987	Vertical Order Traversal of a Binary Tree Tree	Hard	75.0%
1004	Max Consecutive Ones III	Medium	75.0%
1091	Shortest Path in Binary Matrix Array	Medium	75.0%
1570	Dot Product of Two Sparse Vectors	Medium	75.0%
3	Longest Substring Without Repeating Characters StringTree	Medium	62.5%
4	Median of Two Sorted Arrays ArrayHeap	Hard	62.5%
5	Longest Palindromic Substring StringTree	Medium	62.5%
8	String to Integer (atoi) StringMath	Medium	62.5%
9	Palindrome Number StringMath	Easy	62.5%
11	Container With Most Water	Medium	62.5%
13	Roman to Integer Math	Easy	62.5%
17	Letter Combinations of a Phone Number Math	Medium	62.5%
19	Remove Nth Node From End of List Linked List	Medium	62.5%
21	Merge Two Sorted Lists	Easy	62.5%
22	Generate Parentheses	Medium	62.5%
26	Remove Duplicates from Sorted Array Array	Easy	62.5%
33	Search in Rotated Sorted Array ArrayBinary Search	Medium	62.5%
42	Trapping Rain Water	Hard	62.5%
49	Group Anagrams String	Medium	62.5%
53	Maximum Subarray Array	Medium	62.5%
65	Valid Number Math	Hard	62.5%
70	Climbing Stairs	Easy	62.5%
75	Sort Colors	Medium	62.5%
78	Subsets	Medium	62.5%
127	Word Ladder	Hard	62.5%
128	Longest Consecutive Sequence	Medium	62.5%
169	Majority Element	Easy	62.5%
173	Binary Search Tree Iterator TreeBinary Search	Medium	62.5%
200	Number of Islands GraphMath	Medium	62.5%
207	Course Schedule	Medium	62.5%
219	Contains Duplicate II	Easy	62.5%
249	Group Shifted Strings String	Medium	62.5%
270	Closest Binary Search Tree Value TreeBinary Search	Easy	62.5%
282	Expression Add Operators	Hard	62.5%
283	Move Zeroes	Easy	62.5%
398	Random Pick Index	Medium	62.5%
415	Add Strings String	Easy	62.5%
480	Sliding Window Median Sliding WindowHeap	Hard	62.5%
498	Diagonal Traverse	Medium	62.5%
523	Continuous Subarray Sum Array	Medium	62.5%
636	Exclusive Time of Functions	Medium	62.5%
647	Palindromic Substrings StringTree	Medium	62.5%
721	Accounts Merge	Medium	62.5%
426	Convert Binary Search Tree to Sorted Doubly Linked List TreeLinked ListBinary Search	Medium	62.5%
708	Insert into a Sorted Circular Linked List Linked List	Medium	62.5%
824	Goat Latin	Easy	62.5%
489	Robot Room Cleaner	Hard	62.5%
863	All Nodes Distance K in Binary Tree TreeLinked List	Medium	62.5%
875	Koko Eating Bananas	Medium	62.5%
1216	Valid Palindrome III String	Hard	62.5%
1539	Kth Missing Positive Number Math	Easy	62.5%
1768	Merge Strings Alternately String	Easy	62.5%
1757	Recyclable and Low Fat Products	Easy	62.5%
7	Reverse Integer Math	Medium	50.0%
10	Regular Expression Matching	Hard	50.0%
16	3Sum Closest	Medium	50.0%
18	4Sum	Medium	50.0%
27	Remove Element	Easy	50.0%
28	Find the Index of the First Occurrence in a String String	Easy	50.0%
32	Longest Valid Parentheses Stack/Queue	Hard	50.0%
39	Combination Sum	Medium	50.0%
43	Multiply Strings String	Medium	50.0%
48	Rotate Image	Medium	50.0%
51	N-Queens	Hard	50.0%
54	Spiral Matrix Array	Medium	50.0%
55	Jump Game	Medium	50.0%
62	Unique Paths	Medium	50.0%
66	Plus One	Easy	50.0%
67	Add Binary	Easy	50.0%
69	Sqrt(x) Math	Easy	50.0%
73	Set Matrix Zeroes Array	Medium	50.0%
79	Word Search	Medium	50.0%
84	Largest Rectangle in Histogram	Hard	50.0%
98	Validate Binary Search Tree TreeBinary Search	Medium	50.0%
102	Binary Tree Level Order Traversal Tree	Medium	50.0%
116	Populating Next Right Pointers in Each Node Linked List	Medium	50.0%
118	Pascal's Triangle	Easy	50.0%
122	Best Time to Buy and Sell Stock II	Medium	50.0%
124	Binary Tree Maximum Path Sum Tree	Hard	50.0%
131	Palindrome Partitioning StringDP	Medium	50.0%
139	Word Break	Medium	50.0%
163	Missing Ranges	Easy	50.0%
167	Two Sum II - Input Array Is Sorted ArraySliding Window	Medium	50.0%
189	Rotate Array Array	Medium	50.0%
206	Reverse Linked List Linked List	Easy	50.0%
209	Minimum Size Subarray Sum Array	Medium	50.0%
210	Course Schedule II	Medium	50.0%
217	Contains Duplicate	Easy	50.0%
224	Basic Calculator	Hard	50.0%
231	Power of Two Math	Easy	50.0%
234	Palindrome Linked List StringLinked List	Easy	50.0%
235	Lowest Common Ancestor of a Binary Search Tree TreeBinary Search	Medium	50.0%
238	Product of Array Except Self Array	Medium	50.0%
239	Sliding Window Maximum Sliding Window	Hard	50.0%
242	Valid Anagram String	Easy	50.0%
246	Strobogrammatic Number Math	Easy	50.0%
253	Meeting Rooms II	Medium	50.0%
269	Alien Dictionary	Hard	50.0%
278	First Bad Version	Easy	50.0%
295	Find Median from Data Stream Heap	Hard	50.0%
301	Remove Invalid Parentheses Stack/Queue	Hard	50.0%
322	Coin Change DP	Medium	50.0%
329	Longest Increasing Path in a Matrix Array	Hard	50.0%
348	Design Tic-Tac-Toe	Medium	50.0%
378	Kth Smallest Element in a Sorted Matrix Array	Medium	50.0%
380	Insert Delete GetRandom O(1)	Medium	50.0%
394	Decode String String	Medium	50.0%
410	Split Array Largest Sum Array	Hard	50.0%
419	Battleships in a Board	Medium	50.0%
424	Longest Repeating Character Replacement	Medium	50.0%
443	String Compression String	Medium	50.0%
494	Target Sum	Medium	50.0%
525	Contiguous Array Array	Medium	50.0%
529	Minesweeper	Medium	50.0%
536	Construct Binary Tree from String StringTree	Medium	50.0%
540	Single Element in a Sorted Array Array	Medium	50.0%
545	Boundary of Binary Tree Tree	Medium	50.0%
605	Can Place Flowers	Easy	50.0%
643	Maximum Average Subarray I Array	Easy	50.0%
658	Find K Closest Elements	Medium	50.0%
695	Max Area of Island Graph	Medium	50.0%
739	Daily Temperatures	Medium	50.0%
766	Toeplitz Matrix Array	Easy	50.0%
825	Friends Of Appropriate Ages	Medium	50.0%
958	Check Completeness of a Binary Tree Tree	Medium	50.0%
977	Squares of a Sorted Array Array	Easy	50.0%
1011	Capacity To Ship Packages Within D Days	Medium	50.0%
1060	Missing Element in Sorted Array Array	Medium	50.0%
1047	Remove All Adjacent Duplicates In String String	Easy	50.0%
1424	Diagonal Traverse II	Medium	50.0%
1868	Product of Two Run-Length Encoded Arrays Array	Medium	50.0%
2265	Count Nodes Equal to Average of Subtree TreeLinked List	Medium	50.0%
2235	Add Two Integers Math	Easy	50.0%
2667	Create Hello World Function	Easy	50.0%
123	Best Time to Buy and Sell Stock III	Hard	50.0%
6	Zigzag Conversion	Medium	37.5%
12	Integer to Roman Math	Medium	37.5%
25	Reverse Nodes in k-Group Linked List	Hard	37.5%
29	Divide Two Integers Math	Medium	37.5%
35	Search Insert Position Binary Search	Easy	37.5%
36	Valid Sudoku	Medium	37.5%
37	Sudoku Solver	Hard	37.5%
38	Count and Say	Medium	37.5%
40	Combination Sum II	Medium	37.5%
41	First Missing Positive	Hard	37.5%
44	Wildcard Matching	Hard	37.5%
45	Jump Game II	Medium	37.5%
46	Permutations	Medium	37.5%
57	Insert Interval	Medium	37.5%
58	Length of Last Word	Easy	37.5%
61	Rotate List	Medium	37.5%
68	Text Justification	Hard	37.5%
72	Edit Distance DP	Medium	37.5%
74	Search a 2D Matrix Array	Medium	37.5%
77	Combinations	Medium	37.5%
80	Remove Duplicates from Sorted Array II Array	Medium	37.5%
81	Search in Rotated Sorted Array II ArrayBinary Search	Medium	37.5%
85	Maximal Rectangle	Hard	37.5%
90	Subsets II	Medium	37.5%
91	Decode Ways	Medium	37.5%
92	Reverse Linked List II Linked List	Medium	37.5%
94	Binary Tree Inorder Traversal Tree	Easy	37.5%
100	Same Tree Tree	Easy	37.5%
101	Symmetric Tree Tree	Easy	37.5%
103	Binary Tree Zigzag Level Order Traversal Tree	Medium	37.5%
104	Maximum Depth of Binary Tree Tree	Easy	37.5%
105	Construct Binary Tree from Preorder and Inorder Traversal Tree	Medium	37.5%
110	Balanced Binary Tree Tree	Easy	37.5%
113	Path Sum II	Medium	37.5%
114	Flatten Binary Tree to Linked List TreeLinked List	Medium	37.5%
117	Populating Next Right Pointers in Each Node II Linked List	Medium	37.5%
126	Word Ladder II	Hard	37.5%
134	Gas Station	Medium	37.5%
135	Candy	Hard	37.5%
136	Single Number Math	Easy	37.5%
137	Single Number II Math	Medium	37.5%
140	Word Break II	Hard	37.5%
141	Linked List Cycle GraphLinked List	Easy	37.5%
143	Reorder List	Medium	37.5%
148	Sort List	Medium	37.5%
150	Evaluate Reverse Polish Notation	Medium	37.5%
151	Reverse Words in a String String	Medium	37.5%
152	Maximum Product Subarray Array	Medium	37.5%
153	Find Minimum in Rotated Sorted Array ArrayBinary Search	Medium	37.5%
155	Min Stack Stack/Queue	Medium	37.5%
168	Excel Sheet Column Title	Easy	37.5%
175	Combine Two Tables	Easy	37.5%
176	Second Highest Salary	Medium	37.5%
179	Largest Number Math	Medium	37.5%
197	Rising Temperature	Easy	37.5%
198	House Robber	Medium	37.5%
202	Happy Number Math	Easy	37.5%
204	Count Primes Math	Medium	37.5%
205	Isomorphic Strings String	Easy	37.5%
208	Implement Trie (Prefix Tree) Tree	Medium	37.5%
218	The Skyline Problem	Hard	37.5%
229	Majority Element II	Medium	37.5%
230	Kth Smallest Element in a BST Tree	Medium	37.5%
237	Delete Node in a Linked List Linked List	Medium	37.5%
240	Search a 2D Matrix II Array	Medium	37.5%
247	Strobogrammatic Number II Math	Medium	37.5%
252	Meeting Rooms	Easy	37.5%
257	Binary Tree Paths Tree	Easy	37.5%
268	Missing Number Math	Easy	37.5%
273	Integer to English Words Math	Hard	37.5%
286	Walls and Gates	Medium	37.5%
287	Find the Duplicate Number Math	Medium	37.5%
297	Serialize and Deserialize Binary Tree Tree	Hard	37.5%
300	Longest Increasing Subsequence String	Medium	37.5%
303	Range Sum Query - Immutable	Easy	37.5%
311	Sparse Matrix Multiplication Array	Medium	37.5%
317	Shortest Distance from All Buildings	Hard	37.5%
325	Maximum Size Subarray Sum Equals k Array	Medium	37.5%
328	Odd Even Linked List Linked List	Medium	37.5%
334	Increasing Triplet Subsequence String	Medium	37.5%
341	Flatten Nested List Iterator	Medium	37.5%
344	Reverse String String	Easy	37.5%
349	Intersection of Two Arrays Array	Easy	37.5%
392	Is Subsequence String	Easy	37.5%
402	Remove K Digits Math	Medium	37.5%
416	Partition Equal Subset Sum DP	Medium	37.5%
438	Find All Anagrams in a String String	Medium	37.5%
451	Sort Characters By Frequency	Medium	37.5%
485	Max Consecutive Ones	Easy	37.5%
490	The Maze	Medium	37.5%
493	Reverse Pairs	Hard	37.5%
496	Next Greater Element I	Easy	37.5%
503	Next Greater Element II	Medium	37.5%
547	Number of Provinces Math	Medium	37.5%
556	Next Greater Element III	Medium	37.5%
567	Permutation in String String	Medium	37.5%
572	Subtree of Another Tree Tree	Easy	37.5%
595	Big Countries Tree	Easy	37.5%
602	Friend Requests II: Who Has the Most Friends	Medium	37.5%
621	Task Scheduler	Medium	37.5%
653	Two Sum IV - Input is a BST TreeSliding Window	Easy	37.5%
678	Valid Parenthesis String String	Medium	37.5%
689	Maximum Sum of 3 Non-Overlapping Subarrays Array	Hard	37.5%
724	Find Pivot Index	Easy	37.5%
735	Asteroid Collision	Medium	37.5%
703	Kth Largest Element in a Stream Heap	Easy	37.5%
704	Binary Search Binary Search	Easy	37.5%
778	Swim in Rising Water	Hard	37.5%
784	Letter Case Permutation	Medium	37.5%
785	Is Graph Bipartite? Graph	Medium	37.5%
796	Rotate String String	Easy	37.5%
852	Peak Index in a Mountain Array ArrayBinary Search	Medium	37.5%
865	Smallest Subtree with all the Deepest Nodes TreeLinked List	Medium	37.5%
876	Middle of the Linked List Linked List	Easy	37.5%
896	Monotonic Array ArrayStack/Queue	Easy	37.5%
904	Fruit Into Baskets	Medium	37.5%
905	Sort Array By Parity Array	Easy	37.5%
934	Shortest Bridge	Medium	37.5%
953	Verifying an Alien Dictionary	Easy	37.5%
968	Binary Tree Cameras Tree	Hard	37.5%
509	Fibonacci Number DPMath	Easy	37.5%
983	Minimum Cost For Tickets	Medium	37.5%
989	Add to Array-Form of Integer ArrayMath	Easy	37.5%
994	Rotting Oranges	Medium	37.5%
1071	Greatest Common Divisor of Strings String	Easy	37.5%
1094	Car Pooling	Medium	37.5%
1108	Defanging an IP Address	Easy	37.5%
1123	Lowest Common Ancestor of Deepest Leaves	Medium	37.5%
1141	User Activity for the Past 30 Days I	Easy	37.5%
1143	Longest Common Subsequence StringDP	Medium	37.5%
1148	Article Views I	Easy	37.5%
1209	Remove All Adjacent Duplicates in String II String	Medium	37.5%
1251	Average Selling Price	Easy	37.5%
1431	Kids With the Greatest Number of Candies Math	Easy	37.5%
1443	Minimum Time to Collect All Apples in a Tree Tree	Medium	37.5%
1581	Customer Who Visited but Did Not Make Any Transactions	Easy	37.5%
1644	Lowest Common Ancestor of a Binary Tree II Tree	Medium	37.5%
1662	Check If Two String Arrays are Equivalent ArrayString	Easy	37.5%
1661	Average Time of Process per Machine	Easy	37.5%
1752	Check if Array Is Sorted and Rotated ArrayBinary Search	Easy	37.5%
1778	Shortest Path in a Hidden Grid	Medium	37.5%
1838	Frequency of the Most Frequent Element	Medium	37.5%
1891	Cutting Ribbons	Medium	37.5%
1929	Concatenation of Array Array	Easy	37.5%
2149	Rearrange Array Elements by Sign Array	Medium	37.5%
96	Unique Binary Search Trees TreeBinary Search	Medium	37.5%
2043	Simple Bank System	Medium	37.5%
24	Swap Nodes in Pairs Linked List	Medium	25.0%
30	Substring with Concatenation of All Words StringTree	Hard	25.0%
59	Spiral Matrix II Array	Medium	25.0%
63	Unique Paths II	Medium	25.0%
64	Minimum Path Sum	Medium	25.0%
93	Restore IP Addresses	Medium	25.0%
95	Unique Binary Search Trees II TreeBinary Search	Medium	25.0%
108	Convert Sorted Array to Binary Search Tree ArrayTreeBinary Search	Easy	25.0%
109	Convert Sorted List to Binary Search Tree TreeBinary Search	Medium	25.0%
111	Minimum Depth of Binary Tree Tree	Easy	25.0%
112	Path Sum	Easy	25.0%
130	Surrounded Regions	Medium	25.0%
142	Linked List Cycle II GraphLinked List	Medium	25.0%
149	Max Points on a Line	Hard	25.0%
157	Read N Characters Given Read4	Easy	25.0%
158	Read N Characters Given read4 II - Call Multiple Times	Hard	25.0%
160	Intersection of Two Linked Lists Linked List	Easy	25.0%
161	One Edit Distance DP	Medium	25.0%
181	Employees Earning More Than Their Managers	Easy	25.0%
182	Duplicate Emails	Easy	25.0%
183	Customers Who Never Order	Easy	25.0%
187	Repeated DNA Sequences	Medium	25.0%
190	Reverse Bits	Easy	25.0%
191	Number of 1 Bits Math	Easy	25.0%
203	Remove Linked List Elements Linked List	Easy	25.0%
211	Design Add and Search Words Data Structure	Medium	25.0%
212	Word Search II	Hard	25.0%
213	House Robber II	Medium	25.0%
221	Maximal Square	Medium	25.0%
226	Invert Binary Tree Tree	Easy	25.0%
228	Summary Ranges	Easy	25.0%
232	Implement Queue using Stacks Stack/Queue	Easy	25.0%
261	Graph Valid Tree TreeGraph	Medium	25.0%
265	Paint House II	Hard	25.0%
266	Palindrome Permutation String	Easy	25.0%
271	Encode and Decode Strings String	Medium	25.0%
274	H-Index	Medium	25.0%
275	H-Index II	Medium	25.0%
277	Find the Celebrity	Medium	25.0%
285	Inorder Successor in BST Tree	Medium	25.0%
289	Game of Life	Medium	25.0%
290	Word Pattern	Easy	25.0%
304	Range Sum Query 2D - Immutable	Medium	25.0%
316	Remove Duplicate Letters	Medium	25.0%
319	Bulb Switcher	Medium	25.0%
326	Power of Three Math	Easy	25.0%
333	Largest BST Subtree Tree	Medium	25.0%
338	Counting Bits	Easy	25.0%
343	Integer Break Math	Medium	25.0%
345	Reverse Vowels of a String String	Easy	25.0%
350	Intersection of Two Arrays II Array	Easy	25.0%
367	Valid Perfect Square	Easy	25.0%
371	Sum of Two Integers Math	Medium	25.0%
373	Find K Pairs with Smallest Sums	Medium	25.0%
377	Combination Sum IV	Medium	25.0%
381	Insert Delete GetRandom O(1) - Duplicates allowed	Hard	25.0%
383	Ransom Note	Easy	25.0%
387	First Unique Character in a String String	Easy	25.0%
388	Longest Absolute File Path	Medium	25.0%
399	Evaluate Division	Medium	25.0%
404	Sum of Left Leaves	Easy	25.0%
405	Convert a Number to Hexadecimal Math	Easy	25.0%
407	Trapping Rain Water II	Hard	25.0%
409	Longest Palindrome String	Easy	25.0%
412	Fizz Buzz	Easy	25.0%
417	Pacific Atlantic Water Flow	Medium	25.0%
435	Non-overlapping Intervals	Medium	25.0%
437	Path Sum III	Medium	25.0%
442	Find All Duplicates in an Array Array	Medium	25.0%
448	Find All Numbers Disappeared in an Array ArrayMath	Easy	25.0%
450	Delete Node in a BST TreeLinked List	Medium	25.0%
455	Assign Cookies	Easy	25.0%
456	132 Pattern	Medium	25.0%
461	Hamming Distance	Easy	25.0%
468	Validate IP Address	Medium	25.0%
477	Total Hamming Distance	Medium	25.0%
516	Longest Palindromic Subsequence String	Medium	25.0%
530	Minimum Absolute Difference in BST Tree	Easy	25.0%
535	Encode and Decode TinyURL	Medium	25.0%
542	01 Matrix Array	Medium	25.0%
554	Brick Wall	Medium	25.0%
570	Managers with at Least 5 Direct Reports	Medium	25.0%
578	Get Highest Answer Rate Question	Medium	25.0%
584	Find Customer Referee	Easy	25.0%
597	Friend Requests I: Overall Acceptance Rate	Easy	25.0%
610	Triangle Judgement	Easy	25.0%
616	Add Bold Tag in String String	Medium	25.0%
617	Merge Two Binary Trees Tree	Easy	25.0%
633	Sum of Square Numbers Math	Medium	25.0%
637	Average of Levels in Binary Tree Tree	Easy	25.0%
639	Decode Ways II	Hard	25.0%
642	Design Search Autocomplete System	Hard	25.0%
645	Set Mismatch	Easy	25.0%
662	Maximum Width of Binary Tree Tree	Medium	25.0%
673	Number of Longest Increasing Subsequence StringMath	Medium	25.0%
674	Longest Continuous Increasing Subsequence String	Easy	25.0%
682	Baseball Game	Easy	25.0%
691	Stickers to Spell Word	Hard	25.0%
692	Top K Frequent Words Heap	Medium	25.0%
713	Subarray Product Less Than K Array	Medium	25.0%
714	Best Time to Buy and Sell Stock with Transaction Fee	Medium	25.0%
723	Candy Crush	Medium	25.0%
733	Flood Fill Graph	Easy	25.0%
745	Prefix and Suffix Search	Hard	25.0%
750	Number Of Corner Rectangles Math	Medium	25.0%
752	Open the Lock	Medium	25.0%
764	Largest Plus Sign	Medium	25.0%
767	Reorganize String String	Medium	25.0%
771	Jewels and Stones	Easy	25.0%
700	Search in a Binary Search Tree TreeBinary Search	Easy	25.0%
787	Cheapest Flights Within K Stops Heap	Medium	25.0%
706	Design HashMap	Easy	25.0%
801	Minimum Swaps To Make Sequences Increasing	Hard	25.0%
622	Design Circular Queue Stack/Queue	Medium	25.0%
844	Backspace String Compare String	Easy	25.0%
893	Groups of Special-Equivalent Strings String	Medium	25.0%
907	Sum of Subarray Minimums Array	Medium	25.0%
912	Sort an Array Array	Medium	25.0%
918	Maximum Sum Circular Subarray Array	Medium	25.0%
930	Binary Subarrays With Sum Array	Medium	25.0%
981	Time Based Key-Value Store	Medium	25.0%
998	Maximum Binary Tree II Tree	Medium	25.0%
1008	Construct Binary Search Tree from Preorder Traversal TreeBinary Search	Medium	25.0%
1021	Remove Outermost Parentheses	Easy	25.0%
1033	Moving Stones Until Consecutive	Medium	25.0%
1040	Moving Stones Until Consecutive II	Medium	25.0%
1161	Maximum Level Sum of a Binary Tree Tree	Medium	25.0%
1043	Partition Array for Maximum Sum ArrayDP	Medium	25.0%
1197	Minimum Knight Moves	Medium	25.0%
1213	Intersection of Three Sorted Arrays Array	Easy	25.0%
1070	Product Sales Analysis III	Medium	25.0%
1075	Project Employees I	Easy	25.0%
1076	Project Employees II	Easy	25.0%
1077	Project Employees III	Medium	25.0%
1245	Tree Diameter Tree	Medium	25.0%
550	Game Play Analysis IV	Medium	25.0%
1110	Delete Nodes And Return Forest Linked List	Medium	25.0%
1113	Reported Posts	Easy	25.0%
1287	Element Appearing More Than 25% In Sorted Array Array	Easy	25.0%
1132	Reported Posts II	Medium	25.0%
1142	User Activity for the Past 30 Days II	Easy	25.0%
1331	Rank Transform of an Array Array	Easy	25.0%
1236	Web Crawler	Medium	25.0%
1361	Validate Binary Tree Nodes TreeLinked List	Medium	25.0%
1382	Balance a Binary Search Tree TreeBinary Search	Medium	25.0%
1944	Number of Visible People in a Queue Stack/QueueMath	Hard	25.0%
1207	Unique Number of Occurrences Math	Easy	25.0%
1211	Queries Quality and Percentage	Easy	25.0%
1225	Report Contiguous Dates	Hard	25.0%
1239	Maximum Length of a Concatenated String with Unique Characters String	Medium	25.0%
1242	Web Crawler Multithreaded	Medium	25.0%
1248	Count Number of Nice Subarrays ArrayMath	Medium	25.0%
1428	Leftmost Column with at Least a One	Medium	25.0%
1241	Number of Comments per Post Math	Easy	25.0%
2303	Calculate Amount Paid in Taxes	Easy	25.0%
1266	Minimum Time Visiting All Points	Easy	25.0%
1264	Page Recommendations	Medium	25.0%
1344	Angle Between Hands of a Clock	Medium	25.0%
1322	Ads Performance	Easy	25.0%
1357	Apply Discount Every n Orders	Medium	25.0%
1358	Number of Substrings Containing All Three Characters StringTreeMath	Medium	25.0%
1351	Count Negative Numbers in a Sorted Matrix ArrayMath	Easy	25.0%
1352	Product of the Last K Numbers Math	Medium	25.0%
1353	Maximum Number of Events That Can Be Attended Math	Medium	25.0%
1379	Find a Corresponding Node of a Binary Tree in a Clone of That Tree TreeLinked List	Easy	25.0%
1378	Replace Employee ID With The Unique Identifier	Easy	25.0%
1398	Customers Who Bought Products A and B but Not C	Medium	25.0%
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Array	Medium	25.0%
1439	Find the Kth Smallest Sum of a Matrix With Sorted Rows Array	Hard	25.0%
1460	Make Two Arrays Equal by Reversing Subarrays Array	Easy	25.0%
1453	Maximum Number of Darts Inside of a Circular Dartboard Math	Hard	25.0%
1445	Apples & Oranges	Medium	25.0%
1493	Longest Subarray of 1's After Deleting One Element Array	Medium	25.0%
1480	Running Sum of 1d Array Array	Easy	25.0%
1482	Minimum Number of Days to Make m Bouquets Math	Medium	25.0%
1498	Number of Subsequences That Satisfy the Given Sum Condition StringMath	Medium	25.0%
1522	Diameter of N-Ary Tree Tree	Medium	25.0%
1586	Binary Search Tree Iterator II TreeBinary Search	Medium	25.0%
1614	Maximum Nesting Depth of the Parentheses	Easy	25.0%
1679	Max Number of K-Sum Pairs Math	Medium	25.0%
1718	Construct the Lexicographically Largest Valid Sequence Graph	Medium	25.0%
1683	Invalid Tweets	Easy	25.0%
1748	Sum of Unique Elements	Easy	25.0%
1781	Sum of Beauty of All Substrings StringTree	Medium	25.0%
1773	Count Items Matching a Rule	Easy	25.0%
1790	Check if One String Swap Can Make Strings Equal String	Easy	25.0%
1810	Minimum Path Cost in a Hidden Grid	Medium	25.0%
1826	Faulty Sensor	Easy	25.0%
1926	Nearest Exit from Entrance in Maze	Medium	25.0%
1928	Minimum Cost to Reach Destination in Time	Hard	25.0%
1892	Page Recommendations II	Hard	25.0%
1920	Build Array from Permutation Array	Easy	25.0%
1922	Count Good Numbers Math	Medium	25.0%
1947	Maximum Compatibility Score Sum	Medium	25.0%
1976	Number of Ways to Arrive at Destination Math	Medium	25.0%
1949	Strong Friendship	Medium	25.0%
1973	Count Nodes Equal to Sum of Descendants Linked List	Medium	25.0%
2014	Longest Subsequence Repeated k Times String	Hard	25.0%
2090	K Radius Subarray Averages Array	Medium	25.0%
2210	Count Hills and Valleys in an Array Array	Easy	25.0%
2199	Finding the Topic of Each Post	Hard	25.0%
2289	Steps to Make Array Non-decreasing Array	Medium	25.0%
2365	Task Scheduler II	Medium	25.0%
2452	Words Within Two Edits of Dictionary	Medium	25.0%
2553	Separate the Digits in an Array ArrayMath	Easy	25.0%
2596	Check Knight Tour Configuration	Medium	25.0%
2704	To Be Or Not To Be	Easy	25.0%
2824	Count Pairs Whose Sum is Less than Target	Easy	25.0%
2877	Create a DataFrame from List	Easy	25.0%
312	Burst Balloons	Hard	25.0%
82	Remove Duplicates from Sorted List II	Medium	25.0%
86	Partition List DP	Medium	25.0%
1045	Customers Who Bought All Products	Medium	25.0%
222	Count Complete Tree Nodes TreeLinked List	Easy	25.0%
860	Lemonade Change	Easy	25.0%
609	Find Duplicate File in System	Medium	25.0%
120	Triangle	Medium	25.0%
263	Ugly Number Math	Easy	25.0%
196	Delete Duplicate Emails	Easy	25.0%
1341	Movie Rating	Medium	25.0%
577	Employee Bonus	Easy	25.0%
1609	Even Odd Tree Tree	Medium	25.0%
1164	Product Price at a Given Date	Medium	25.0%
1275	Find Winner on a Tic Tac Toe Game	Easy	25.0%
1280	Students and Examinations	Easy	25.0%
539	Minimum Time Difference	Medium	25.0%
931	Minimum Falling Path Sum	Medium	25.0%
386	Lexicographical Numbers GraphMath	Medium	25.0%
3043	Find the Length of the Longest Common Prefix DP	Medium	25.0%
432	All O`one Data Structure	Hard	25.0%
52	N-Queens II	Hard	25.0%
1832	Check if the Sentence Is Pangram	Easy	25.0%
315	Count of Smaller Numbers After Self Math	Hard	25.0%
1233	Remove Sub-Folders from the Filesystem	Medium	25.0%
1545	Find Kth Bit in Nth Binary String String	Medium	25.0%
933	Number of Recent Calls Math	Easy	25.0%
83	Remove Duplicates from Sorted List	Easy	25.0%
814	Binary Tree Pruning Tree	Medium	25.0%
684	Redundant Connection	Medium	25.0%
696	Count Binary Substrings StringTree	Easy	25.0%
195	Tenth Line	Easy	25.0%
1283	Find the Smallest Divisor Given a Threshold	Medium	25.0%
510	Inorder Successor in BST II Tree	Medium	25.0%
1319	Number of Operations to Make Network Connected GraphMath	Medium	25.0%
1652	Defuse the Bomb	Easy	25.0%
746	Min Cost Climbing Stairs	Easy	25.0%
225	Implement Stack using Queues Stack/Queue	Easy	25.0%
901	Online Stock Span	Medium	25.0%
3371	Identify the Largest Outlier in an Array Array	Medium	25.0%
258	Add Digits Math	Easy	25.0%
1903	Largest Odd Number in String StringMath	Easy	25.0%
541	Reverse String II String	Easy	25.0%
1025	Divisor Game	Easy	25.0%
1422	Maximum Score After Splitting a String String	Easy	25.0%
620	Not Boring Movies	Easy	25.0%
2381	Shifting Letters II	Medium	25.0%
1769	Minimum Number of Operations to Move All Balls to Each Box Math	Medium	25.0%
2657	Find the Prefix Common Array of Two Arrays Array	Medium	25.0%
980	Unique Paths III	Hard	25.0%
585	Investments in 2016	Medium	25.0%
802	Find Eventual Safe States	Medium	25.0%
941	Valid Mountain Array Array	Easy	25.0%
1174	Immediate Food Delivery II	Medium	25.0%
867	Transpose Matrix Array	Easy	25.0%
132	Palindrome Partitioning II StringDP	Hard	25.0%
1193	Monthly Transactions I	Medium	25.0%
166	Fraction to Recurring Decimal	Medium	25.0%
2965	Find Missing and Repeated Values	Easy	25.0%
594	Longest Harmonious Subsequence String	Easy	25.0%
441	Arranging Coins	Easy	25.0%
115	Distinct Subsequences String	Hard	25.0%
368	Largest Divisible Subset	Medium	25.0%
1653	Minimum Deletions to Make String Balanced String	Medium	25.0%
354	Russian Doll Envelopes	Hard	25.0%
1470	Shuffle the Array Array	Easy	25.0%
178	Rank Scores	Medium	25.0%
1229	Meeting Scheduler	Medium	25.0%
781	Rabbits in Forest	Medium	25.0%
2145	Count the Hidden Sequences	Medium	25.0%
1423	Maximum Points You Can Obtain from Cards	Medium	25.0%
3527	Find the Most Common Response	Medium	25.0%
1295	Find Numbers with Even Number of Digits Math	Easy	25.0%
159	Longest Substring with At Most Two Distinct Characters StringTree	Medium	25.0%
2094	Finding 3-Digit Even Numbers Math	Easy	25.0%
3304	Find the K-th Character in String Game I String	Easy	25.0%
3545	Minimum Deletions for At Most K Distinct Characters	Easy	25.0%
2566	Maximum Difference by Remapping a Digit Math	Easy	25.0%
2099	Find Subsequence of Length K With the Largest Sum String	Easy	25.0%
97	Interleaving String String	Medium	25.0%
1394	Find Lucky Integer in an Array ArrayMath	Easy	25.0%
518	Coin Change II DP	Medium	25.0%
1672	Richest Customer Wealth	Easy	25.0%
3477	Fruits Into Baskets II	Easy	25.0%
3636	Threshold Majority Queries	Hard	25.0%
3688	Bitwise OR of Even Numbers in an Array ArrayMath	Easy	25.0%
3650	Minimum Cost Path with Edge Reversals	Medium	25.0%
3507	Minimum Pair Removal to Sort Array I Array	Easy	25.0%
3829	Design Ride Sharing System	Medium	25.0%
3862	Find the Smallest Balanced Index	Medium	25.0%
47	Permutations II	Medium	12.5%
107	Binary Tree Level Order Traversal II Tree	Medium	12.5%
119	Pascal's Triangle II	Easy	12.5%
144	Binary Tree Preorder Traversal Tree	Easy	12.5%
145	Binary Tree Postorder Traversal Tree	Easy	12.5%
172	Factorial Trailing Zeroes	Medium	12.5%
174	Dungeon Game	Hard	12.5%
180	Consecutive Numbers Math	Medium	12.5%
184	Department Highest Salary	Medium	12.5%
185	Department Top Three Salaries	Hard	12.5%
188	Best Time to Buy and Sell Stock IV	Hard	12.5%
223	Rectangle Area	Medium	12.5%
233	Number of Digit One Math	Hard	12.5%
296	Best Meeting Point	Hard	12.5%
299	Bulls and Cows	Medium	12.5%
310	Minimum Height Trees Tree	Medium	12.5%
323	Number of Connected Components in an Undirected Graph GraphMath	Medium	12.5%
330	Patching Array Array	Hard	12.5%
332	Reconstruct Itinerary	Hard	12.5%
337	House Robber III	Medium	12.5%
342	Power of Four Math	Easy	12.5%
384	Shuffle an Array Array	Medium	12.5%
389	Find the Difference	Easy	12.5%
393	UTF-8 Validation	Medium	12.5%
406	Queue Reconstruction by Height Stack/Queue	Medium	12.5%
445	Add Two Numbers II Math	Medium	12.5%
460	LFU Cache	Hard	12.5%
463	Island Perimeter Graph	Easy	12.5%
501	Find Mode in Binary Search Tree TreeBinary Search	Easy	12.5%
502	IPO	Hard	12.5%
515	Find Largest Value in Each Tree Row Tree	Medium	12.5%
1721	Swapping Nodes in a Linked List Linked List	Medium	12.5%
561	Array Partition ArrayDP	Easy	12.5%
601	Human Traffic of Stadium	Hard	12.5%
628	Maximum Product of Three Numbers Math	Easy	12.5%
649	Dota2 Senate	Medium	12.5%
687	Longest Univalue Path	Medium	12.5%
688	Knight Probability in Chessboard	Medium	12.5%
698	Partition to K Equal Sum Subsets DP	Medium	12.5%
715	Range Module	Hard	12.5%
727	Minimum Window Subsequence StringSliding Window	Hard	12.5%
430	Flatten a Multilevel Doubly Linked List Linked List	Medium	12.5%
763	Partition Labels DP	Medium	12.5%
772	Basic Calculator III	Hard	12.5%
779	K-th Symbol in Grammar	Medium	12.5%
797	All Paths From Source to Target	Medium	12.5%
705	Design HashSet	Easy	12.5%
815	Bus Routes	Hard	12.5%
819	Most Common Word	Easy	12.5%
826	Most Profit Assigning Work	Medium	12.5%
836	Rectangle Overlap	Easy	12.5%
846	Hand of Straights	Medium	12.5%
862	Shortest Subarray with Sum at Least K Array	Hard	12.5%
872	Leaf-Similar Trees Tree	Easy	12.5%
881	Boats to Save People	Medium	12.5%
919	Complete Binary Tree Inserter Tree	Medium	12.5%
974	Subarray Sums Divisible by K Array	Medium	12.5%
992	Subarrays with K Different Integers ArrayMath	Hard	12.5%
993	Cousins in Binary Tree Tree	Easy	12.5%
1002	Find Common Characters	Easy	12.5%
1026	Maximum Difference Between Node and Ancestor Linked List	Medium	12.5%
1028	Recover a Tree From Preorder Traversal Tree	Hard	12.5%
1029	Two City Scheduling	Medium	12.5%
1046	Last Stone Weight	Easy	12.5%
1052	Grumpy Bookstore Owner	Medium	12.5%
1092	Shortest Common Supersequence	Hard	12.5%
1095	Find in Mountain Array Array	Hard	12.5%
1106	Parsing A Boolean Expression	Hard	12.5%
1122	Relative Sort Array Array	Easy	12.5%
1137	N-th Tribonacci Number Math	Easy	12.5%
1315	Sum of Nodes with Even-Valued Grandparent DPLinked List	Medium	12.5%
1146	Snapshot Array Array	Medium	12.5%
1155	Number of Dice Rolls With Target Sum Math	Medium	12.5%
2226	Maximum Candies Allocated to K Children	Medium	12.5%
1206	Design Skiplist	Hard	12.5%
1254	Number of Closed Islands GraphMath	Medium	12.5%
1268	Search Suggestions System	Medium	12.5%
1281	Subtract the Product and Sum of Digits of an Integer Math	Easy	12.5%
1290	Convert Binary Number in a Linked List to Integer Linked ListMath	Easy	12.5%
1293	Shortest Path in a Grid with Obstacles Elimination Tree	Hard	12.5%
1305	All Elements in Two Binary Search Trees TreeBinary Search	Medium	12.5%
1373	Maximum Sum BST in Binary Tree Tree	Hard	12.5%
1448	Count Good Nodes in Binary Tree TreeLinked List	Medium	12.5%
1436	Destination City	Easy	12.5%
1512	Number of Good Pairs Math	Easy	12.5%
1541	Minimum Insertions to Balance a Parentheses String String	Medium	12.5%
1517	Find Users With Valid E-Mails	Easy	12.5%
1598	Crawler Log Folder	Easy	12.5%
1631	Path With Minimum Effort	Medium	12.5%
1701	Average Waiting Time	Medium	12.5%
1688	Count of Matches in Tournament	Easy	12.5%
1731	The Number of Employees Which Report to Each Employee Math	Easy	12.5%
1789	Primary Department for Each Employee	Easy	12.5%
1854	Maximum Population Year	Easy	12.5%
1877	Minimize Maximum Pair Sum in Array Array	Medium	12.5%
1901	Find a Peak Element II Binary Search	Medium	12.5%
1930	Unique Length-3 Palindromic Subsequences String	Medium	12.5%
1934	Confirmation Rate	Medium	12.5%
1980	Find Unique Binary String String	Medium	12.5%
1971	Find if Path Exists in Graph Graph	Easy	12.5%
2060	Check if an Original String Exists Given Two Encoded Strings String	Hard	12.5%
2073	Time Needed to Buy Tickets	Easy	12.5%
2096	Step-By-Step Directions From a Binary Tree Node to Another TreeLinked List	Medium	12.5%
2109	Adding Spaces to a String String	Medium	12.5%
2236	Root Equals Sum of Children	Easy	12.5%
2302	Count Subarrays With Score Less Than K Array	Hard	12.5%
2367	Number of Arithmetic Triplets Math	Easy	12.5%
2373	Largest Local Values in a Matrix Array	Easy	12.5%
2418	Sort the People	Easy	12.5%
2444	Count Subarrays With Fixed Bounds Array	Hard	12.5%
2461	Maximum Sum of Distinct Subarrays With Length K Array	Medium	12.5%
2485	Find the Pivot Integer Math	Easy	12.5%
2487	Remove Nodes From Linked List Linked List	Medium	12.5%
2502	Design Memory Allocator	Medium	12.5%
2620	Counter	Easy	12.5%
2619	Array Prototype Last Array	Easy	12.5%
2627	Debounce	Medium	12.5%
2635	Apply Transform Over Each Element in Array Array	Easy	12.5%
2694	Event Emitter	Medium	12.5%
2956	Find Common Elements Between Two Arrays Array	Easy	12.5%
2962	Count Subarrays Where Max Element Appears at Least K Times Array	Medium	12.5%
3005	Count Elements With Maximum Frequency	Easy	12.5%
3202	Find the Maximum Length of Valid Subsequence II String	Medium	12.5%
264	Ugly Number II Math	Medium	12.5%
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance Math	Medium	12.5%
2915	Length of the Longest Subsequence That Sums to Target String	Medium	12.5%
2160	Minimum Sum of Four Digit Number After Splitting Digits Math	Easy	12.5%
2678	Number of Senior Citizens Math	Easy	12.5%
581	Shortest Unsorted Continuous Subarray Array	Medium	12.5%
885	Spiral Matrix III Array	Medium	12.5%
959	Regions Cut By Slashes	Medium	12.5%
2104	Sum of Subarray Ranges Array	Medium	12.5%
1140	Stone Game II	Medium	12.5%
60	Permutation Sequence	Hard	12.5%
2529	Maximum Count of Positive Integer and Negative Integer Math	Easy	12.5%
340	Longest Substring with At Most K Distinct Characters StringTree	Medium	12.5%
1514	Path with Maximum Probability	Medium	12.5%
1446	Consecutive Characters	Easy	12.5%
2239	Find Closest Number to Zero Math	Easy	12.5%
2022	Convert 1D Array Into 2D Array Array	Easy	12.5%
843	Guess the Word	Hard	12.5%
1945	Sum of Digits of String After Convert StringMath	Easy	12.5%
1399	Count Largest Group	Easy	12.5%
725	Split Linked List in Parts Linked List	Medium	12.5%
1160	Find Words That Can Be Formed by Characters	Easy	12.5%
3110	Score of a String String	Easy	12.5%
2807	Insert Greatest Common Divisors in Linked List Linked List	Medium	12.5%
588	Design In-Memory File System	Hard	12.5%
629	K Inverse Pairs Array Array	Hard	12.5%
374	Guess Number Higher or Lower Math	Easy	12.5%
2419	Longest Subarray With Maximum Bitwise AND Array	Medium	12.5%
1371	Find the Longest Substring Containing Vowels in Even Counts StringTree	Medium	12.5%
1055	Shortest Way to Form String String	Medium	12.5%
3234	Count the Number of Substrings With Dominant Ones StringTreeMath	Medium	12.5%
3186	Maximum Total Damage With Spell Casting	Medium	12.5%
214	Shortest Palindrome String	Hard	12.5%
1667	Fix Names in a Table	Easy	12.5%
440	K-th Smallest in Lexicographical Order Graph	Hard	12.5%
2707	Extra Characters in a String String	Medium	12.5%
1475	Final Prices With a Special Discount in a Shop	Easy	12.5%
1367	Linked List in Binary Tree TreeLinked List	Medium	12.5%
2034	Stock Price Fluctuation	Medium	12.5%
1497	Check If Array Pairs Are Divisible by k Array	Medium	12.5%
2058	Find the Minimum and Maximum Number of Nodes Between Critical Points Linked ListMath	Medium	12.5%
87	Scramble String String	Hard	12.5%
716	Max Stack Stack/Queue	Hard	12.5%
1590	Make Sum Divisible by P	Medium	12.5%
2352	Equal Row and Column Pairs	Medium	12.5%
2406	Divide Intervals Into Minimum Number of Groups Math	Medium	12.5%
1221	Split a String in Balanced Strings String	Easy	12.5%
632	Smallest Range Covering Elements from K Lists	Hard	12.5%
474	Ones and Zeroes	Medium	12.5%
1579	Remove Max Number of Edges to Keep Graph Fully Traversable GraphMath	Hard	12.5%
413	Arithmetic Slices	Medium	12.5%
1593	Split a String Into the Max Number of Unique Substrings StringTreeMath	Medium	12.5%
453	Minimum Moves to Equal Array Elements Array	Medium	12.5%
147	Insertion Sort List	Medium	12.5%
856	Score of Parentheses	Medium	12.5%
566	Reshape the Matrix Array	Easy	12.5%
1048	Longest String Chain String	Medium	12.5%
568	Maximum Vacation Days	Hard	12.5%
2095	Delete the Middle Node of a Linked List Linked List	Medium	12.5%
2501	Longest Square Streak in an Array Array	Medium	12.5%
1636	Sort Array by Increasing Frequency Array	Easy	12.5%
701	Insert into a Binary Search Tree TreeBinary Search	Medium	12.5%
1639	Number of Ways to Form a Target String Given a Dictionary StringMath	Hard	12.5%
2389	Longest Subsequence With Limited Sum String	Easy	12.5%
2914	Minimum Number of Changes to Make Binary String Beautiful StringMath	Medium	12.5%
3011	Find if Array Can Be Sorted Array	Medium	12.5%
1671	Minimum Number of Removals to Make Mountain Array ArrayMath	Hard	12.5%
3133	Minimum Array End Array	Medium	12.5%
2723	Add Two Promises	Easy	12.5%
3097	Shortest Subarray With OR at Least K II Array	Medium	12.5%
364	Nested List Weight Sum II	Medium	12.5%
1845	Seat Reservation Manager	Medium	12.5%
362	Design Hit Counter	Medium	12.5%
1574	Shortest Subarray to be Removed to Make Array Sorted Array	Medium	12.5%
3254	Find the Power of K-Size Subarrays I ArrayMath	Medium	12.5%
2035	Partition Array Into Two Arrays to Minimize Sum Difference ArrayDP	Hard	12.5%
2427	Number of Common Factors Math	Easy	12.5%
728	Self Dividing Numbers Math	Easy	12.5%
1291	Sequential Digits Math	Medium	12.5%
507	Perfect Number Math	Easy	12.5%
1633	Percentage of Users Attended a Contest	Easy	12.5%
1861	Rotating the Box	Medium	12.5%
773	Sliding Puzzle	Hard	12.5%
2924	Find Champion II	Medium	12.5%
400	Nth Digit Math	Medium	12.5%
505	The Maze II	Medium	12.5%
1346	Check If N and Its Double Exist	Easy	12.5%
2337	Move Pieces to Obtain a String String	Medium	12.5%
193	Valid Phone Numbers Math	Easy	12.5%
1760	Minimum Limit of Balls in a Bag	Medium	12.5%
292	Nim Game	Easy	12.5%
395	Longest Substring with At Least K Repeating Characters StringTree	Medium	12.5%
2981	Find Longest Special Substring That Occurs Thrice I StringTree	Medium	12.5%
2558	Take Gifts From the Richest Pile	Easy	12.5%
382	Linked List Random Node Linked List	Medium	12.5%
2593	Find Score of an Array After Marking All Elements Array	Medium	12.5%
2125	Number of Laser Beams in a Bank Math	Medium	12.5%
1277	Count Square Submatrices with All Ones	Medium	12.5%
641	Design Circular Deque	Medium	12.5%
886	Possible Bipartition DP	Medium	12.5%
476	Number Complement Math	Easy	12.5%
2008	Maximum Earnings From Taxi	Medium	12.5%
2192	All Ancestors of a Node in a Directed Acyclic Graph GraphLinked List	Medium	12.5%
729	My Calendar I	Medium	12.5%
1886	Determine Whether Matrix Can Be Obtained By Rotation Array	Easy	12.5%
853	Car Fleet	Medium	12.5%
1822	Sign of the Product of an Array Array	Easy	12.5%
305	Number of Islands II GraphMath	Hard	12.5%
1014	Best Sightseeing Pair	Medium	12.5%
2466	Count Ways To Build Good Strings String	Medium	12.5%
3161	Block Placement Queries	Hard	12.5%
1406	Stone Game III	Hard	12.5%
895	Maximum Frequency Stack Stack/Queue	Hard	12.5%
2270	Number of Ways to Split Array ArrayMath	Medium	12.5%
1408	String Matching in an Array ArrayString	Easy	12.5%
475	Heaters	Medium	12.5%
3042	Count Prefix and Suffix Pairs I	Easy	12.5%
2785	Sort Vowels in a String String	Medium	12.5%
626	Exchange Seats	Medium	12.5%
2185	Counting Words With a Given Prefix	Easy	12.5%
916	Word Subsets	Medium	12.5%
1400	Construct K Palindrome Strings String	Medium	12.5%
2116	Check if a Parentheses String Can Be Valid String	Medium	12.5%
385	Mini Parser	Medium	12.5%
1062	Longest Repeating Substring StringTree	Medium	12.5%
2348	Number of Zero-Filled Subarrays ArrayMath	Medium	12.5%
650	2 Keys Keyboard	Medium	12.5%
2013	Detect Squares	Medium	12.5%
2215	Find the Difference of Two Arrays Array	Easy	12.5%
2326	Spiral Matrix IV Array	Medium	12.5%
2731	Movement of Robots	Medium	12.5%
1368	Minimum Cost to Make at Least One Valid Path in a Grid	Hard	12.5%
2425	Bitwise XOR of All Pairings	Medium	12.5%
3428	Maximum and Minimum Sums of at Most Size K Subsequences String	Medium	12.5%
655	Print Binary Tree Tree	Medium	12.5%
1267	Count Servers that Communicate	Medium	12.5%
925	Long Pressed Name	Easy	12.5%
2130	Maximum Twin Sum of a Linked List Linked List	Medium	12.5%
2044	Count Number of Maximum Bitwise-OR Subsets Math	Medium	12.5%
1462	Course Schedule IV	Medium	12.5%
939	Minimum Area Rectangle	Medium	12.5%
2658	Maximum Number of Fish in a Grid Math	Medium	12.5%
164	Maximum Gap	Medium	12.5%
2493	Divide Nodes Into the Maximum Number of Groups Linked ListMath	Hard	12.5%
3151	Special Array I Array	Easy	12.5%
744	Find Smallest Letter Greater Than Target	Easy	12.5%
3105	Longest Strictly Increasing or Strictly Decreasing Subarray Array	Easy	12.5%
1726	Tuple with Same Product	Medium	12.5%
839	Similar String Groups String	Hard	12.5%
1200	Minimum Absolute Difference	Easy	12.5%
1365	How Many Numbers Are Smaller Than the Current Number Math	Easy	12.5%
2402	Meeting Rooms III	Hard	12.5%
3174	Clear Digits Math	Easy	12.5%
1910	Remove All Occurrences of a Substring StringTree	Medium	12.5%
2342	Max Sum of a Pair With Equal Sum of Digits Math	Medium	12.5%
783	Minimum Distance Between BST Nodes TreeLinked List	Easy	12.5%
909	Snakes and Ladders	Medium	12.5%
3066	Minimum Operations to Exceed Threshold Value II	Medium	12.5%
2698	Find the Punishment Number of an Integer Math	Medium	12.5%
1632	Rank Transform of a Matrix Array	Hard	12.5%
1079	Letter Tile Possibilities	Medium	12.5%
740	Delete and Earn	Medium	12.5%
769	Max Chunks To Make Sorted	Medium	12.5%
1415	The k-th Lexicographical String of All Happy Strings of Length n StringGraph	Medium	12.5%
1732	Find the Highest Altitude	Easy	12.5%
889	Construct Binary Tree from Preorder and Postorder Traversal Tree	Medium	12.5%
487	Max Consecutive Ones II	Medium	12.5%
2467	Most Profitable Path in a Tree Tree	Medium	12.5%
1524	Number of Sub-arrays With Odd Sum ArrayMath	Medium	12.5%
2300	Successful Pairs of Spells and Potions	Medium	12.5%
671	Second Minimum Node In a Binary Tree TreeLinked List	Easy	12.5%
873	Length of Longest Fibonacci Subsequence StringDP	Medium	12.5%
1074	Number of Submatrices That Sum to Target Math	Hard	12.5%
1700	Number of Students Unable to Eat Lunch Math	Easy	12.5%
2570	Merge Two 2D Arrays by Summing Values Array	Easy	12.5%
997	Find the Town Judge	Easy	12.5%
1044	Longest Duplicate Substring StringTree	Hard	12.5%
2460	Apply Operations to an Array Array	Easy	12.5%
1780	Check if Number is a Sum of Powers of Three Math	Medium	12.5%
2579	Count Total Number of Colored Cells Math	Medium	12.5%
947	Most Stones Removed with Same Row or Column	Medium	12.5%
1552	Magnetic Force Between Two Balls	Medium	12.5%
3217	Delete Nodes From Linked List Present in Array ArrayLinked List	Medium	12.5%
2523	Closest Prime Numbers in Range Math	Medium	12.5%
1518	Water Bottles	Easy	12.5%
2629	Function Composition	Easy	12.5%
1321	Restaurant Growth	Medium	12.5%
3356	Zero Array Transformation II Array	Medium	12.5%
2379	Minimum Recolors to Get K Consecutive Black Blocks	Easy	12.5%
1603	Design Parking System	Easy	12.5%
2560	House Robber IV	Medium	12.5%
661	Image Smoother	Easy	12.5%
2879	Display the First Three Rows	Easy	12.5%
932	Beautiful Array Array	Medium	12.5%
2401	Longest Nice Subarray Array	Medium	12.5%
606	Construct String from Binary Tree StringTree	Medium	12.5%
946	Validate Stack Sequences Stack/Queue	Medium	12.5%
3108	Minimum Cost Walk in Weighted Graph Graph	Hard	12.5%
2115	Find All Possible Recipes from Given Supplies	Medium	12.5%
847	Shortest Path Visiting All Nodes Linked List	Hard	12.5%
3266	Final Array State After K Multiplication Operations II Array	Hard	12.5%
2078	Two Furthest Houses With Different Colors	Easy	12.5%
1484	Group Sold Products By The Date	Easy	12.5%
538	Convert BST to Greater Tree Tree	Medium	12.5%
2625	Flatten Deeply Nested Array Array	Medium	12.5%
520	Detect Capital	Easy	12.5%
2940	Find Building Where Alice and Bob Can Meet	Hard	12.5%
2033	Minimum Operations to Make a Uni-Value Grid	Medium	12.5%
478	Generate Random Point in a Circle	Medium	12.5%
2503	Maximum Number of Points From Grid Queries Math	Hard	12.5%
2818	Apply Operations to Maximize Score	Hard	12.5%
2551	Put Marbles in Bags	Hard	12.5%
194	Transpose File	Medium	12.5%
1749	Maximum Absolute Sum of Any Subarray Array	Medium	12.5%
2140	Solving Questions With Brainpower Math	Medium	12.5%
2873	Maximum Value of an Ordered Triplet I	Easy	12.5%
546	Remove Boxes	Hard	12.5%
2206	Divide Array Into Equal Pairs Array	Easy	12.5%
3396	Minimum Number of Operations to Make Elements in Array Distinct ArrayMath	Easy	12.5%
2864	Maximum Odd Binary Number Math	Easy	12.5%
359	Logger Rate Limiter	Easy	12.5%
1235	Maximum Profit in Job Scheduling	Hard	12.5%
2256	Minimum Average Difference	Medium	12.5%
664	Strange Printer	Hard	12.5%
3272	Find the Count of Good Integers Math	Hard	12.5%
3503	Longest Palindrome After Substring Concatenation I StringTree	Medium	12.5%
1995	Count Special Quadruplets	Easy	12.5%
2047	Number of Valid Words in a Sentence Math	Easy	12.5%
2843	Count Symmetric Integers Math	Easy	12.5%
1925	Count Square Sum Triples	Easy	12.5%
2537	Count the Number of Good Subarrays ArrayMath	Medium	12.5%
2176	Count Equal and Divisible Pairs in an Array Array	Easy	12.5%
473	Matchsticks to Square	Medium	12.5%
2655	Find Maximal Uncovered Ranges	Medium	12.5%
2563	Count the Number of Fair Pairs Math	Medium	12.5%
1814	Count Nice Pairs in an Array Array	Medium	12.5%
935	Knight Dialer	Medium	12.5%
3163	String Compression III String	Medium	12.5%
327	Count of Range Sum	Hard	12.5%
192	Word Frequency	Medium	12.5%
2799	Count Complete Subarrays in an Array Array	Medium	12.5%
1658	Minimum Operations to Reduce X to Zero	Medium	12.5%
2845	Count of Interesting Subarrays Array	Medium	12.5%
818	Race Car	Hard	12.5%
1547	Minimum Cost to Cut a Stick	Hard	12.5%
878	Nth Magical Number Math	Hard	12.5%
2074	Reverse Nodes in Even Length Groups Linked List	Medium	12.5%
3392	Count Subarrays of Length Three With a Condition Array	Easy	12.5%
2119	A Number After a Double Reversal Math	Easy	12.5%
990	Satisfiability of Equality Equations	Medium	12.5%
2942	Find Words Containing Character	Easy	12.5%
841	Keys and Rooms	Medium	12.5%
564	Find the Closest Palindrome String	Hard	12.5%
1716	Calculate Money in Leetcode Bank	Easy	12.5%
2071	Maximum Number of Tasks You Can Assign Math	Hard	12.5%
3191	Minimum Operations to Make Binary Array Elements Equal to One I Array	Medium	12.5%
838	Push Dominoes	Medium	12.5%
3533	Concatenated Divisibility	Hard	12.5%
2742	Painting the Walls	Hard	12.5%
790	Domino and Tromino Tiling	Medium	12.5%
2139	Minimum Moves to Reach Target Score	Medium	12.5%
1326	Minimum Number of Taps to Open to Water a Garden Math	Hard	12.5%
2259	Remove Digit From Number to Maximize Result Math	Easy	12.5%
3343	Count Number of Balanced Permutations Math	Hard	12.5%
1550	Three Consecutive Odds	Easy	12.5%
521	Longest Uncommon Subsequence I String	Easy	12.5%
1723	Find Minimum Time to Finish All Jobs	Hard	12.5%
3337	Total Characters in String After Transformations II String	Hard	12.5%
1007	Minimum Domino Rotations For Equal Row	Medium	12.5%
2901	Longest Unequal Adjacent Groups Subsequence II String	Medium	12.5%
3341	Find Minimum Time to Reach Last Room I	Medium	12.5%
1931	Painting a Grid With Three Different Colors	Hard	12.5%
3362	Zero Array Transformation III Array	Medium	12.5%
2144	Minimum Cost of Buying Candies With Discount	Easy	12.5%
3068	Find the Maximum Sum of Node Values Linked List	Hard	12.5%
1710	Maximum Units on a Truck	Easy	12.5%
2131	Longest Palindrome by Concatenating Two Letter Words String	Medium	12.5%
1857	Largest Color Value in a Directed Graph Graph	Hard	12.5%
401	Binary Watch	Easy	12.5%
2894	Divisible and Non-divisible Sums Difference	Easy	12.5%
1850	Minimum Adjacent Swaps to Reach the Kth Smallest Number Math	Medium	12.5%
99	Recover Binary Search Tree TreeBinary Search	Medium	12.5%
2739	Total Distance Traveled	Easy	12.5%
1485	Clone Binary Tree With Random Pointer Tree	Medium	12.5%
1204	Last Person to Fit in the Bus	Medium	12.5%
743	Network Delay Time Graph	Medium	12.5%
2929	Distribute Candies Among Children II	Medium	12.5%
2715	Timeout Cancellation	Easy	12.5%
3403	Find the Lexicographically Largest String From the Box I StringGraph	Medium	12.5%
414	Third Maximum Number Math	Easy	12.5%
1061	Lexicographically Smallest Equivalent String StringGraph	Medium	12.5%
1166	Design File System	Medium	12.5%
668	Kth Smallest Number in Multiplication Table Math	Hard	12.5%
2434	Using a Robot to Print the Lexicographically Smallest String StringGraph	Medium	12.5%
792	Number of Matching Subsequences StringMath	Medium	12.5%
3170	Lexicographically Minimum String After Removing Stars StringGraph	Medium	12.5%
201	Bitwise AND of Numbers Range Math	Medium	12.5%
3442	Maximum Difference Between Even and Odd Frequency I	Easy	12.5%
3445	Maximum Difference Between Even and Odd Frequency II	Hard	12.5%
1068	Product Sales Analysis I	Easy	12.5%
3423	Maximum Difference Between Adjacent Elements in a Circular Array Array	Easy	12.5%
709	To Lower Case	Easy	12.5%
1282	Group the People Given the Group Size They Belong To	Medium	12.5%
2616	Minimize the Maximum Difference of Pairs	Medium	12.5%
926	Flip String to Monotone Increasing String	Medium	12.5%
3576	Transform Array to All Equal Elements Array	Medium	12.5%
1432	Max Difference You Can Get From Changing an Integer Math	Medium	12.5%
2187	Minimum Time to Complete Trips	Medium	12.5%
2016	Maximum Difference Between Increasing Elements	Easy	12.5%
3405	Count the Number of Arrays with K Matching Adjacent Elements ArrayMath	Hard	12.5%
1464	Maximum Product of Two Elements in an Array Array	Easy	12.5%
2966	Divide Array Into Arrays With Max Difference Array	Medium	12.5%
3443	Maximum Manhattan Distance After K Changes	Medium	12.5%
1557	Minimum Number of Vertices to Reach All Nodes Linked ListMath	Medium	12.5%
788	Rotated Digits Binary SearchMath	Medium	12.5%
2336	Smallest Number in Infinite Set Math	Medium	12.5%
2951	Find the Peaks Binary Search	Easy	12.5%
2477	Minimum Fuel Cost to Report to the Capital	Medium	12.5%
2081	Sum of k-Mirror Numbers Math	Hard	12.5%
3282	Reach End of Array With Max Score Array	Medium	12.5%
2200	Find All K-Distant Indices in an Array Array	Easy	12.5%
652	Find Duplicate Subtrees Tree	Medium	12.5%
2007	Find Original Array From Doubled Array Array	Medium	12.5%
2603	Collect Coins in a Tree Tree	Hard	12.5%
1642	Furthest Building You Can Reach	Medium	12.5%
2762	Continuous Subarrays Array	Medium	12.5%
686	Repeated String Match String	Medium	12.5%
3330	Find the Original Typed String I String	Easy	12.5%
3333	Find the Original Typed String II String	Hard	12.5%
592	Fraction Addition and Subtraction	Medium	12.5%
2787	Ways to Express an Integer as Sum of Powers Math	Medium	12.5%
607	Sales Person	Easy	12.5%
866	Prime Palindrome StringMath	Medium	12.5%
1506	Find Root of N-Ary Tree Tree	Medium	12.5%
276	Paint Fence	Medium	12.5%
421	Maximum XOR of Two Numbers in an Array ArrayMath	Medium	12.5%
1523	Count Odd Numbers in an Interval Range Math	Easy	12.5%
3439	Reschedule Meetings for Maximum Free Time I	Medium	12.5%
1685	Sum of Absolute Differences in a Sorted Array Array	Medium	12.5%
1900	The Earliest and Latest Rounds Where Players Compete	Hard	12.5%
2410	Maximum Matching of Players With Trainers	Medium	12.5%
106	Construct Binary Tree from Inorder and Postorder Traversal Tree	Medium	12.5%
2458	Height of Binary Tree After Subtree Removal Queries Tree	Hard	12.5%
3136	Valid Word	Easy	12.5%
910	Smallest Range II	Medium	12.5%
3201	Find the Maximum Length of Valid Subsequence I String	Medium	12.5%
1022	Sum of Root To Leaf Binary Numbers Math	Easy	12.5%
2163	Minimum Difference in Sums After Removal of Elements	Hard	12.5%
459	Repeated Substring Pattern StringTree	Easy	12.5%
1304	Find N Unique Integers Sum up to Zero Math	Easy	12.5%
1203	Sort Items by Groups Respecting Dependencies	Hard	12.5%
2974	Minimum Number Game Math	Easy	12.5%
372	Super Pow Math	Medium	12.5%
1957	Delete Characters to Make Fancy String String	Easy	12.5%
1695	Maximum Erasure Value	Medium	12.5%
1834	Single-Threaded CPU	Medium	12.5%
2322	Minimum Score After Removals on a Tree Tree	Hard	12.5%
3487	Maximum Unique Subarray Sum After Deletion Array	Easy	12.5%
3625	Count Number of Trapezoids II Math	Hard	12.5%
1717	Maximum Score From Removing Substrings StringTree	Medium	12.5%
3561	Resulting String After Adjacent Removals String	Medium	12.5%
1009	Complement of Base 10 Integer Math	Easy	12.5%
2608	Shortest Cycle in a Graph GraphLinked List	Hard	12.5%
336	Palindrome Pairs String	Hard	12.5%
2411	Smallest Subarrays With Maximum Bitwise OR Array	Medium	12.5%
2457	Minimum Addition to Make Integer Beautiful Math	Medium	12.5%
898	Bitwise ORs of Subarrays Array	Medium	12.5%
2870	Minimum Number of Operations to Make Array Empty ArrayMath	Medium	12.5%
2561	Rearranging Fruits	Hard	12.5%
754	Reach a Number Math	Medium	12.5%
537	Complex Number Multiplication Math	Medium	12.5%
869	Reordered Power of 2 Math	Medium	12.5%
3566	Partition Array into Two Equal Product Subsets ArrayDP	Medium	12.5%
1323	Maximum 69 Number Math	Easy	12.5%
627	Swap Sex of Employees	Easy	12.5%
707	Design Linked List Linked List	Medium	12.5%
837	New 21 Game	Medium	12.5%
511	Game Play Analysis I	Easy	12.5%
3379	Transformed Array Array	Easy	12.5%
1461	Check If a String Contains All Binary Codes of Size K String	Medium	12.5%
1218	Longest Arithmetic Subsequence of Given Difference String	Medium	12.5%
1911	Maximum Alternating Subsequence Sum String	Medium	12.5%
1297	Maximum Number of Occurrences of a Substring StringTreeMath	Medium	12.5%
1504	Count Submatrices With All Ones	Medium	12.5%
2815	Max Pair Sum in an Array Array	Easy	12.5%
679	24 Game	Hard	12.5%
2999	Count the Number of Powerful Integers Math	Hard	12.5%
3274	Check if Two Chessboard Squares Have the Same Color	Easy	12.5%
665	Non-decreasing Array Array	Medium	12.5%
3000	Maximum Area of Longest Diagonal Rectangle	Easy	12.5%
2594	Minimum Time to Repair Cars	Medium	12.5%
1179	Reformat Department Table	Easy	12.5%
3446	Sort Matrix by Diagonals Array	Medium	12.5%
937	Reorder Data in Log Files	Medium	12.5%
1792	Maximum Average Pass Ratio	Medium	12.5%
3025	Find the Number of Ways to Place People I Math	Medium	12.5%
1466	Reorder Routes to Make All Paths Lead to the City Zero	Medium	12.5%
3027	Find the Number of Ways to Place People II Math	Hard	12.5%
3516	Find Closest Person	Easy	12.5%
2749	Minimum Operations to Make the Integer Zero Math	Medium	12.5%
923	3Sum With Multiplicity	Medium	12.5%
741	Cherry Pickup	Hard	12.5%
298	Binary Tree Longest Consecutive Sequence Tree	Medium	12.5%
3541	Find Most Frequent Vowel and Consonant	Easy	12.5%
3227	Vowels Game in a String String	Medium	12.5%
966	Vowel Spellchecker	Medium	12.5%
1345	Jump Game IV	Hard	12.5%
1299	Replace Elements with Greatest Element on Right Side	Easy	12.5%
1054	Distant Barcodes	Medium	12.5%
3158	Find the XOR of Numbers Which Appear Twice Math	Easy	12.5%
3552	Grid Teleportation Traversal	Medium	12.5%
306	Additive Number Math	Medium	12.5%
611	Valid Triangle Number Math	Medium	12.5%
976	Largest Perimeter Triangle	Easy	12.5%
1039	Minimum Score Triangulation of Polygon	Medium	12.5%
2325	Decode the Message	Easy	12.5%
391	Perfect Rectangle	Hard	12.5%
3100	Water Bottles II	Medium	12.5%
851	Loud and Rich	Medium	12.5%
3417	Zigzag Grid Traversal With Skip	Easy	12.5%
3652	Best Time to Buy and Sell Stock using Strategy	Medium	12.5%
1488	Avoid Flood in The City	Medium	12.5%
2954	Count the Number of Infection Sequences Math	Hard	12.5%
3494	Find the Minimum Amount of Time to Brew Potions	Medium	12.5%
3697	Compute Decimal Representation	Easy	12.5%
464	Can I Win	Medium	12.5%
2426	Number of Pairs Satisfying Inequality Math	Hard	12.5%
1584	Min Cost to Connect All Points	Medium	12.5%
433	Minimum Genetic Mutation	Medium	12.5%
3539	Find Sum of Array Product of Magical Sequences Array	Hard	12.5%
1676	Lowest Common Ancestor of a Binary Tree IV Tree	Medium	12.5%
1984	Minimum Difference Between Highest and Lowest of K Scores	Easy	12.5%
3289	The Two Sneaky Numbers of Digitville Math	Easy	12.5%
454	4Sum II	Medium	12.5%
1921	Eliminate Maximum Number of Monsters Math	Medium	12.5%
1656	Design an Ordered Stream	Easy	12.5%
1865	Finding Pairs With a Certain Sum	Medium	12.5%
3397	Maximum Number of Distinct Elements After Operations Math	Medium	12.5%
1691	Maximum Height by Stacking Cuboids Stack/Queue	Hard	12.5%
3346	Maximum Frequency of an Element After Performing Operations I	Medium	12.5%
3461	Check If Digits Are Equal in String After Operations I StringMath	Easy	12.5%
2048	Next Greater Numerically Balanced Number Math	Medium	12.5%
2781	Length of the Longest Valid Substring StringTree	Hard	12.5%
2250	Count Number of Rectangles Containing Each Point Math	Medium	12.5%
3354	Make Array Elements Equal to Zero Array	Easy	12.5%
1526	Minimum Number of Increments on Subarrays to Form a Target Array ArrayMath	Hard	12.5%
1360	Number of Days Between Two Dates Math	Easy	12.5%
2257	Count Unguarded Cells in the Grid	Medium	12.5%
3318	Find X-Sum of All K-Long Subarrays I Array	Easy	12.5%
2296	Design a Text Editor	Hard	12.5%
3607	Power Grid Maintenance Math	Medium	12.5%
3570	Find Books with No Available Copies	Easy	12.5%
1463	Cherry Pickup II	Hard	12.5%
2028	Find Missing Observations	Medium	12.5%
877	Stone Game	Medium	12.5%
3542	Minimum Operations to Convert All Elements to Zero	Medium	12.5%
3228	Maximum Number of Operations to Move Ones to the End Math	Medium	12.5%
2817	Minimum Absolute Difference Between Elements With Constraint	Medium	12.5%
2536	Increment Submatrices by One	Medium	12.5%
1743	Restore the Array From Adjacent Pairs Array	Medium	12.5%
1437	Check If All 1's Are at Least Length K Places Away	Easy	12.5%
1337	The K Weakest Rows in a Matrix Array	Easy	12.5%
2154	Keep Multiplying Found Values by Two	Easy	12.5%
259	3Sum Smaller	Medium	12.5%
1098	Unpopular Books	Medium	12.5%
1502	Can Make Arithmetic Progression From Sequence	Easy	12.5%
757	Set Intersection Size At Least Two	Hard	12.5%
608	Tree Node TreeLinked List	Medium	12.5%
2019	The Score of Students Solving Math Expression Math	Hard	12.5%
1262	Greatest Sum Divisible by Three	Medium	12.5%
654	Maximum Binary Tree Tree	Medium	12.5%
612	Shortest Distance in a Plane	Medium	12.5%
1015	Smallest Integer Divisible by K Math	Medium	12.5%
1750	Minimum Length of String After Deleting Similar Ends String	Medium	12.5%
220	Contains Duplicate III	Hard	12.5%
832	Flipping an Image	Easy	12.5%
1393	Capital Gain/Loss	Medium	12.5%
3381	Maximum Subarray Sum With Length Divisible by K Array	Medium	12.5%
2760	Longest Even Odd Subarray With Threshold Array	Easy	12.5%
2141	Maximum Running Time of N Computers	Hard	12.5%
1109	Corporate Flight Bookings	Medium	12.5%
3578	Count Partitions With Max-Min Difference at Most K DP	Medium	12.5%
3623	Count Number of Trapezoids I Math	Medium	12.5%
3495	Minimum Operations to Make Array Elements Zero Array	Hard	12.5%
3583	Count Special Triplets	Medium	12.5%
3577	Count the Number of Computer Unlocking Permutations Math	Medium	12.5%
1696	Jump Game VI	Medium	12.5%
880	Decoded String at Index String	Medium	12.5%
177	Nth Highest Salary	Medium	12.5%
3573	Best Time to Buy and Sell Stock V	Medium	12.5%
3512	Minimum Operations to Make Array Sum Divisible by K Array	Easy	12.5%
944	Delete Columns to Make Sorted	Easy	12.5%
154	Find Minimum in Rotated Sorted Array II ArrayBinary Search	Hard	12.5%
2054	Two Best Non-Overlapping Events	Medium	12.5%
1129	Shortest Path with Alternating Colors	Medium	12.5%
3732	Maximum Product of Three Elements After One Replacement	Medium	12.5%
3690	Split and Merge Array Transformation Array	Medium	12.5%
1795	Rearrange Products Table	Easy	12.5%
3562	Maximum Profit from Trading Stocks with Discounts	Hard	12.5%
563	Binary Tree Tilt Tree	Easy	12.5%
2220	Minimum Bit Flips to Convert Number Math	Easy	12.5%
1970	Last Day Where You Can Still Cross	Hard	12.5%
961	N-Repeated Element in Size 2N Array Array	Easy	12.5%
1411	Number of Ways to Paint N × 3 Grid Math	Hard	12.5%
888	Fair Candy Swap	Easy	12.5%
1390	Four Divisors	Medium	12.5%
1975	Maximum Matrix Sum Array	Medium	12.5%
1136	Parallel Courses	Medium	12.5%
1339	Maximum Product of Splitted Binary Tree Tree	Medium	12.5%
759	Employee Free Time	Hard	12.5%
1458	Max Dot Product of Two Subsequences String	Hard	12.5%
712	Minimum ASCII Delete Sum for Two Strings String	Medium	12.5%
313	Super Ugly Number Math	Medium	12.5%
1049	Last Stone Weight II	Medium	12.5%
3453	Separate Squares I	Medium	12.5%
2943	Maximize Area of Square Hole in Grid	Medium	12.5%
2330	Valid Palindrome IV String	Medium	12.5%
3047	Find the Largest Area of Square Inside Two Rectangles	Medium	12.5%
3315	Construct the Minimum Bitwise Array II Array	Medium	12.5%
513	Find Bottom Left Tree Value Tree	Medium	12.5%
2024	Maximize the Confusion of an Exam	Medium	12.5%
3651	Minimum Cost Path with Teleportations	Hard	12.5%
3296	Minimum Number of Seconds to Make Mountain Height Zero Math	Medium	12.5%
3010	Divide an Array Into Subarrays With Minimum Cost I Array	Easy	12.5%
3637	Trionic Array I Array	Easy	12.5%
3640	Trionic Array II Array	Hard	12.5%
3634	Minimum Removals to Balance Array Array	Medium	12.5%
1201	Ugly Number III Math	Medium	12.5%
845	Longest Mountain in Array Array	Medium	12.5%
1392	Longest Happy Prefix	Hard	12.5%
2946	Matrix Similarity After Cyclic Shifts Array	Easy	12.5%
3713	Longest Balanced Substring I StringTree	Medium	12.5%
3714	Longest Balanced Substring II StringTree	Medium	12.5%
557	Reverse Words in a String III String	Easy	12.5%
799	Champagne Tower	Medium	12.5%
3770	Largest Prime from Consecutive Prime Sum Math	Medium	12.5%
2889	Reshape Data: Pivot	Easy	12.5%
1032	Stream of Characters	Hard	12.5%
2521	Distinct Prime Factors of Product of Array ArrayMath	Medium	12.5%
1456	Maximum Number of Vowels in a Substring of Given Length StringTreeMath	Medium	12.5%
2601	Prime Subtraction Operation Math	Medium	12.5%
1572	Matrix Diagonal Sum Array	Easy	12.5%
1404	Number of Steps to Reduce a Number in Binary Representation to One Math	Medium	12.5%
3816	Lexicographically Smallest String After Deleting Duplicate Characters StringGraph	Hard	12.5%
1800	Maximum Ascending Subarray Sum Array	Easy	12.5%
1758	Minimum Changes To Make Alternating Binary String String	Easy	12.5%
1664	Ways to Make a Fair Array Array	Medium	12.5%
1888	Minimum Number of Flips to Make the Binary String Alternating StringMath	Medium	12.5%
834	Sum of Distances in Tree Tree	Hard	12.5%
2672	Number of Adjacent Elements With the Same Color Math	Medium	12.5%
360	Sort Transformed Array Array	Medium	12.5%
1442	Count Triplets That Can Form Two Arrays of Equal XOR Array	Medium	12.5%
2697	Lexicographically Smallest Palindrome StringGraph	Easy	12.5%
1342	Number of Steps to Reduce a Number to Zero Math	Easy	12.5%
1727	Largest Submatrix With Rearrangements Array	Medium	12.5%
979	Distribute Coins in Binary Tree Tree	Medium	12.5%
549	Binary Tree Longest Consecutive Sequence II Tree	Medium	12.5%
3643	Flip Square Submatrix Vertically Array	Easy	12.5%
922	Sort Array By Parity II Array	Easy	12.5%
2332	The Latest Time to Catch a Bus	Medium	12.5%
2264	Largest 3-Same-Digit Number in String StringMath	Easy	12.5%
3129	Find All Possible Stable Binary Arrays I Array	Medium	12.5%
1006	Clumsy Factorial	Medium	12.5%
3592	Inverse Coin Change DP	Medium	12.5%
3024	Type of Triangle	Easy	12.5%
2751	Robot Collisions	Hard	12.5%
1289	Minimum Falling Path Sum II	Hard	12.5%
630	Course Schedule III	Hard	12.5%
859	Buddy Strings String	Easy	12.5%
1492	The kth Factor of n	Medium	12.5%
3761	Minimum Absolute Distance Between Mirror Pairs	Medium	12.5%
2615	Sum of Distances	Medium	12.5%
1963	Minimum Number of Swaps to Make the String Balanced StringMath	Medium	12.5%
2833	Furthest Point From Origin	Easy	12.5%
3046	Split the Array Array	Easy	12.5%
1559	Detect Cycles in 2D Grid GraphLinked List	Medium	12.5%
396	Rotate Function	Medium	12.5%
2248	Intersection of Multiple Arrays Array	Easy	12.5%
3335	Total Characters in String After Transformations I String	Medium	12.5%
1413	Minimum Value to Get Positive Step by Step Sum	Easy	12.5%
3629	Minimum Jumps to Reach End via Prime Teleportation Math	Medium	12.5%
1914	Cyclically Rotating a Grid	Medium	12.5%
3606	Coupon Code Validator	Easy	12.5%
2770	Maximum Number of Jumps to Reach the Last Index Math	Medium	12.5%
1674	Minimum Moves to Make Array Complementary Array	Medium	12.5%
1534	Count Good Triplets	Easy	12.5%
3932	Count K-th Roots in a Range	Medium	12.5%
1871	Jump Game VII	Medium	12.5%
2413	Smallest Even Multiple	Easy	12.5%
1489	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree Tree	Hard	12.5%
3300	Minimum Element After Replacement With Digit Sum Math	Easy	12.5%
427	Construct Quad Tree Tree	Medium	12.5%
2600	K Items With the Maximum Sum	Easy	12.5%
3633	Earliest Finish Time for Land and Water Rides I	Easy	12.5%
1081	Smallest Subsequence of Distinct Characters String	Medium	12.5%
2574	Left and Right Sum Differences	Easy	12.5%
2196	Create Binary Tree From Descriptions Tree	Medium	12.5%
2161	Partition Array According to Given Pivot ArrayDP	Medium	12.5%
3689	Maximum Total Subarray Value I Array	Medium	12.5%
948	Bag of Tokens	Medium	12.5%
3558	Number of Ways to Assign Edge Weights I Math	Medium	12.5%
1314	Matrix Block Sum Array	Medium	12.5%
1594	Maximum Non Negative Product in a Matrix Array	Medium	12.5%
2483	Minimum Penalty for a Shop	Medium	12.5%
2089	Find Target Indices After Sorting Array Array	Easy	12.5%
3614	Process String with Special Operations II String	Hard	12.5%
1154	Day of the Year	Easy	12.5%
2559	Count Vowel Strings in Ranges String	Medium	12.5%
1840	Maximum Building Height	Hard	12.5%
1389	Create Target Array in the Given Order Array	Easy	12.5%
1189	Maximum Number of Balloons Math	Easy	12.5%
2779	Maximum Beauty of an Array After Applying Operation Array	Medium	12.5%
807	Max Increase to Keep City Skyline	Medium	12.5%
2696	Minimum String Length After Removing Substrings StringTree	Easy	12.5%
3737	Count Subarrays With Majority Element I Array	Medium	12.5%
3699	Number of ZigZag Arrays I ArrayMath	Hard	12.5%
420	Strong Password Checker	Hard	12.5%
3020	Find the Maximum Number of Elements in Subset Math	Medium	12.5%
1967	Number of Strings That Appear as Substrings in Word StringTreeMath	Easy	12.5%
2812	Find the Safest Path in a Grid	Medium	12.5%
279	Perfect Squares	Medium	12.5%
3286	Find a Safe Walk Through a Grid	Medium	12.5%
1796	Second Largest Digit in a String StringMath	Easy	12.5%
722	Remove Comments	Medium	12.5%
1217	Minimum Cost to Move Chips to The Same Position	Easy	12.5%
1288	Remove Covered Intervals	Medium	12.5%
3960	Frequency Balance Subarray Array	Medium	12.5%
3532	Path Existence Queries in a Graph I Graph	Medium	12.5%
1020	Number of Enclaves Math	Medium	12.5%
3534	Path Existence Queries in a Graph II Graph	Hard	12.5%
2037	Minimum Number of Moves to Seat Everyone Math	Easy	12.5%
357	Count Numbers with Unique Digits Math	Medium	12.5%
2685	Count the Number of Complete Components Math	Medium	12.5%
2454	Next Greater Element IV	Hard	12.5%