Google Interview Questions — CS-Next ByCompany

2325 of 2325

No.	Problem	Difficulty	Frequency
1	Two Sum Sliding Window	Easy	100.0%
2	Add Two Numbers Math	Medium	75.0%
3	Longest Substring Without Repeating Characters StringTree	Medium	75.0%
4	Median of Two Sorted Arrays ArrayHeap	Hard	75.0%
14	Longest Common Prefix DP	Easy	75.0%
42	Trapping Rain Water	Hard	75.0%
128	Longest Consecutive Sequence	Medium	75.0%
1768	Merge Strings Alternately String	Easy	75.0%
2667	Create Hello World Function	Easy	75.0%
5	Longest Palindromic Substring StringTree	Medium	75.0%
9	Palindrome Number StringMath	Easy	75.0%
15	3Sum	Medium	75.0%
88	Merge Sorted Array Array	Easy	75.0%
121	Best Time to Buy and Sell Stock	Easy	75.0%
18	4Sum	Medium	62.5%
20	Valid Parentheses Stack/Queue	Easy	62.5%
33	Search in Rotated Sorted Array ArrayBinary Search	Medium	62.5%
53	Maximum Subarray Array	Medium	62.5%
55	Jump Game	Medium	62.5%
118	Pascal's Triangle	Easy	62.5%
136	Single Number Math	Easy	62.5%
206	Reverse Linked List Linked List	Easy	62.5%
1526	Minimum Number of Increments on Subarrays to Form a Target Array ArrayMath	Hard	62.5%
1757	Recyclable and Low Fat Products	Easy	62.5%
1929	Concatenation of Array Array	Easy	62.5%
7	Reverse Integer Math	Medium	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%
21	Merge Two Sorted Lists	Easy	62.5%
22	Generate Parentheses	Medium	62.5%
26	Remove Duplicates from Sorted Array Array	Easy	62.5%
27	Remove Element	Easy	62.5%
31	Next Permutation	Medium	62.5%
51	N-Queens	Hard	62.5%
54	Spiral Matrix Array	Medium	62.5%
56	Merge Intervals	Medium	62.5%
70	Climbing Stairs	Easy	62.5%
84	Largest Rectangle in Histogram	Hard	62.5%
146	LRU Cache	Medium	62.5%
162	Find Peak Element Binary Search	Medium	62.5%
169	Majority Element	Easy	62.5%
189	Rotate Array Array	Medium	62.5%
200	Number of Islands GraphMath	Medium	62.5%
253	Meeting Rooms II	Medium	62.5%
283	Move Zeroes	Easy	62.5%
2235	Add Two Integers Math	Easy	62.5%
347	Top K Frequent Elements Heap	Medium	62.5%
394	Decode String String	Medium	62.5%
410	Split Array Largest Sum Array	Hard	62.5%
560	Subarray Sum Equals K Array	Medium	62.5%
875	Koko Eating Bananas	Medium	62.5%
8	String to Integer (atoi) StringMath	Medium	50.0%
16	3Sum Closest	Medium	50.0%
28	Find the Index of the First Occurrence in a String String	Easy	50.0%
41	First Missing Positive	Hard	50.0%
44	Wildcard Matching	Hard	50.0%
45	Jump Game II	Medium	50.0%
48	Rotate Image	Medium	50.0%
49	Group Anagrams String	Medium	50.0%
57	Insert Interval	Medium	50.0%
67	Add Binary	Easy	50.0%
68	Text Justification	Hard	50.0%
85	Maximal Rectangle	Hard	50.0%
90	Subsets II	Medium	50.0%
100	Same Tree Tree	Easy	50.0%
152	Maximum Product Subarray Array	Medium	50.0%
176	Second Highest Salary	Medium	50.0%
205	Isomorphic Strings String	Easy	50.0%
219	Contains Duplicate II	Easy	50.0%
242	Valid Anagram String	Easy	50.0%
268	Missing Number Math	Easy	50.0%
287	Find the Duplicate Number Math	Medium	50.0%
295	Find Median from Data Stream Heap	Hard	50.0%
359	Logger Rate Limiter	Easy	50.0%
402	Remove K Digits Math	Medium	50.0%
416	Partition Equal Subset Sum DP	Medium	50.0%
448	Find All Numbers Disappeared in an Array ArrayMath	Easy	50.0%
704	Binary Search Binary Search	Easy	50.0%
904	Fruit Into Baskets	Medium	50.0%
994	Rotting Oranges	Medium	50.0%
1101	The Earliest Moment When Everyone Become Friends	Medium	50.0%
6	Zigzag Conversion	Medium	50.0%
10	Regular Expression Matching	Hard	50.0%
19	Remove Nth Node From End of List Linked List	Medium	50.0%
23	Merge k Sorted Lists	Hard	50.0%
25	Reverse Nodes in k-Group Linked List	Hard	50.0%
34	Find First and Last Position of Element in Sorted Array Array	Medium	50.0%
35	Search Insert Position Binary Search	Easy	50.0%
36	Valid Sudoku	Medium	50.0%
37	Sudoku Solver	Hard	50.0%
39	Combination Sum	Medium	50.0%
46	Permutations	Medium	50.0%
50	Pow(x, n) Math	Medium	50.0%
58	Length of Last Word	Easy	50.0%
61	Rotate List	Medium	50.0%
62	Unique Paths	Medium	50.0%
66	Plus One	Easy	50.0%
69	Sqrt(x) Math	Easy	50.0%
72	Edit Distance DP	Medium	50.0%
73	Set Matrix Zeroes Array	Medium	50.0%
75	Sort Colors	Medium	50.0%
78	Subsets	Medium	50.0%
122	Best Time to Buy and Sell Stock II	Medium	50.0%
124	Binary Tree Maximum Path Sum Tree	Hard	50.0%
125	Valid Palindrome String	Easy	50.0%
131	Palindrome Partitioning StringDP	Medium	50.0%
135	Candy	Hard	50.0%
139	Word Break	Medium	50.0%
141	Linked List Cycle GraphLinked List	Easy	50.0%
151	Reverse Words in a String String	Medium	50.0%
155	Min Stack Stack/Queue	Medium	50.0%
167	Two Sum II - Input Array Is Sorted ArraySliding Window	Medium	50.0%
175	Combine Two Tables	Easy	50.0%
179	Largest Number Math	Medium	50.0%
198	House Robber	Medium	50.0%
202	Happy Number Math	Easy	50.0%
204	Count Primes Math	Medium	50.0%
207	Course Schedule	Medium	50.0%
215	Kth Largest Element in an Array ArrayHeap	Medium	50.0%
217	Contains Duplicate	Easy	50.0%
221	Maximal Square	Medium	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%
238	Product of Array Except Self Array	Medium	50.0%
239	Sliding Window Maximum Sliding Window	Hard	50.0%
300	Longest Increasing Subsequence String	Medium	50.0%
322	Coin Change DP	Medium	50.0%
345	Reverse Vowels of a String String	Easy	50.0%
349	Intersection of Two Arrays Array	Easy	50.0%
354	Russian Doll Envelopes	Hard	50.0%
380	Insert Delete GetRandom O(1)	Medium	50.0%
424	Longest Repeating Character Replacement	Medium	50.0%
485	Max Consecutive Ones	Easy	50.0%
493	Reverse Pairs	Hard	50.0%
503	Next Greater Element II	Medium	50.0%
540	Single Element in a Sorted Array Array	Medium	50.0%
543	Diameter of Binary Tree Tree	Easy	50.0%
643	Maximum Average Subarray I Array	Easy	50.0%
739	Daily Temperatures	Medium	50.0%
843	Guess the Word	Hard	50.0%
852	Peak Index in a Mountain Array ArrayBinary Search	Medium	50.0%
876	Middle of the Linked List Linked List	Easy	50.0%
528	Random Pick with Weight	Medium	50.0%
907	Sum of Subarray Minimums Array	Medium	50.0%
912	Sort an Array Array	Medium	50.0%
939	Minimum Area Rectangle	Medium	50.0%
509	Fibonacci Number DPMath	Easy	50.0%
1004	Max Consecutive Ones III	Medium	50.0%
1011	Capacity To Ship Packages Within D Days	Medium	50.0%
1148	Article Views I	Easy	50.0%
1944	Number of Visible People in a Queue Stack/QueueMath	Hard	50.0%
1207	Unique Number of Occurrences Math	Easy	50.0%
1480	Running Sum of 1d Array Array	Easy	50.0%
1752	Check if Array Is Sorted and Rotated ArrayBinary Search	Easy	50.0%
2995	Viewers Turned Streamers	Hard	50.0%
3355	Zero Array Transformation I Array	Medium	50.0%
3453	Separate Squares I	Medium	50.0%
3625	Count Number of Trapezoids II Math	Hard	50.0%
3623	Count Number of Trapezoids I Math	Medium	50.0%
12	Integer to Roman Math	Medium	37.5%
64	Minimum Path Sum	Medium	37.5%
74	Search a 2D Matrix Array	Medium	37.5%
77	Combinations	Medium	37.5%
101	Symmetric Tree Tree	Easy	37.5%
114	Flatten Binary Tree to Linked List TreeLinked List	Medium	37.5%
133	Clone Graph Graph	Medium	37.5%
138	Copy List with Random Pointer	Medium	37.5%
166	Fraction to Recurring Decimal	Medium	37.5%
199	Binary Tree Right Side View Tree	Medium	37.5%
212	Word Search II	Hard	37.5%
214	Shortest Palindrome String	Hard	37.5%
218	The Skyline Problem	Hard	37.5%
225	Implement Stack using Queues Stack/Queue	Easy	37.5%
230	Kth Smallest Element in a BST Tree	Medium	37.5%
249	Group Shifted Strings String	Medium	37.5%
257	Binary Tree Paths Tree	Easy	37.5%
305	Number of Islands II GraphMath	Hard	37.5%
309	Best Time to Buy and Sell Stock with Cooldown	Medium	37.5%
315	Count of Smaller Numbers After Self Math	Hard	37.5%
326	Power of Three Math	Easy	37.5%
332	Reconstruct Itinerary	Hard	37.5%
344	Reverse String String	Easy	37.5%
346	Moving Average from Data Stream	Easy	37.5%
351	Android Unlock Patterns	Medium	37.5%
368	Largest Divisible Subset	Medium	37.5%
377	Combination Sum IV	Medium	37.5%
382	Linked List Random Node Linked List	Medium	37.5%
387	First Unique Character in a String String	Easy	37.5%
389	Find the Difference	Easy	37.5%
399	Evaluate Division	Medium	37.5%
407	Trapping Rain Water II	Hard	37.5%
415	Add Strings String	Easy	37.5%
444	Sequence Reconstruction	Medium	37.5%
494	Target Sum	Medium	37.5%
496	Next Greater Element I	Easy	37.5%
541	Reverse String II String	Easy	37.5%
581	Shortest Unsorted Continuous Subarray Array	Medium	37.5%
636	Exclusive Time of Functions	Medium	37.5%
645	Set Mismatch	Easy	37.5%
670	Maximum Swap	Medium	37.5%
679	24 Game	Hard	37.5%
680	Valid Palindrome II String	Easy	37.5%
686	Repeated String Match String	Medium	37.5%
692	Top K Frequent Words Heap	Medium	37.5%
743	Network Delay Time Graph	Medium	37.5%
746	Min Cost Climbing Stairs	Easy	37.5%
787	Cheapest Flights Within K Stops Heap	Medium	37.5%
796	Rotate String String	Easy	37.5%
799	Champagne Tower	Medium	37.5%
815	Bus Routes	Hard	37.5%
834	Sum of Distances in Tree Tree	Hard	37.5%
841	Keys and Rooms	Medium	37.5%
847	Shortest Path Visiting All Nodes Linked List	Hard	37.5%
930	Binary Subarrays With Sum Array	Medium	37.5%
975	Odd Even Jump	Hard	37.5%
1143	Longest Common Subsequence StringDP	Medium	37.5%
1331	Rank Transform of an Array Array	Easy	37.5%
2226	Maximum Candies Allocated to K Children	Medium	37.5%
1254	Number of Closed Islands GraphMath	Medium	37.5%
1368	Minimum Cost to Make at Least One Valid Path in a Grid	Hard	37.5%
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Array	Medium	37.5%
1672	Richest Customer Wealth	Easy	37.5%
1769	Minimum Number of Operations to Move All Balls to Each Box Math	Medium	37.5%
2013	Detect Squares	Medium	37.5%
2035	Partition Array Into Two Arrays to Minimize Sum Difference ArrayDP	Hard	37.5%
2101	Detonate the Maximum Bombs	Medium	37.5%
2115	Find All Possible Recipes from Given Supplies	Medium	37.5%
2188	Minimum Time to Finish the Race	Hard	37.5%
2203	Minimum Weighted Subgraph With the Required Paths Graph	Hard	37.5%
2337	Move Pieces to Obtain a String String	Medium	37.5%
2332	The Latest Time to Catch a Bus	Medium	37.5%
2349	Design a Number Container System Math	Medium	37.5%
2458	Height of Binary Tree After Subtree Removal Queries Tree	Hard	37.5%
2663	Lexicographically Smallest Beautiful String StringGraph	Hard	37.5%
2620	Counter	Easy	37.5%
2812	Find the Safest Path in a Grid	Medium	37.5%
2981	Find Longest Special Substring That Occurs Thrice I StringTree	Medium	37.5%
3169	Count Days Without Meetings	Medium	37.5%
3217	Delete Nodes From Linked List Present in Array ArrayLinked List	Medium	37.5%
1922	Count Good Numbers Math	Medium	37.5%
24	Swap Nodes in Pairs Linked List	Medium	37.5%
29	Divide Two Integers Math	Medium	37.5%
30	Substring with Concatenation of All Words StringTree	Hard	37.5%
32	Longest Valid Parentheses Stack/Queue	Hard	37.5%
38	Count and Say	Medium	37.5%
40	Combination Sum II	Medium	37.5%
43	Multiply Strings String	Medium	37.5%
60	Permutation Sequence	Hard	37.5%
71	Simplify Path	Medium	37.5%
76	Minimum Window Substring StringTreeSliding Window	Hard	37.5%
79	Word Search	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%
83	Remove Duplicates from Sorted List	Easy	37.5%
86	Partition List DP	Medium	37.5%
92	Reverse Linked List II Linked List	Medium	37.5%
94	Binary Tree Inorder Traversal Tree	Easy	37.5%
98	Validate Binary Search Tree TreeBinary Search	Medium	37.5%
99	Recover Binary Search Tree TreeBinary Search	Medium	37.5%
102	Binary Tree Level Order Traversal Tree	Medium	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%
108	Convert Sorted Array to Binary Search Tree ArrayTreeBinary Search	Easy	37.5%
110	Balanced Binary Tree Tree	Easy	37.5%
120	Triangle	Medium	37.5%
127	Word Ladder	Hard	37.5%
130	Surrounded Regions	Medium	37.5%
134	Gas Station	Medium	37.5%
137	Single Number II Math	Medium	37.5%
142	Linked List Cycle II GraphLinked List	Medium	37.5%
143	Reorder List	Medium	37.5%
148	Sort List	Medium	37.5%
150	Evaluate Reverse Polish Notation	Medium	37.5%
153	Find Minimum in Rotated Sorted Array ArrayBinary Search	Medium	37.5%
160	Intersection of Two Linked Lists Linked List	Easy	37.5%
168	Excel Sheet Column Title	Easy	37.5%
180	Consecutive Numbers Math	Medium	37.5%
181	Employees Earning More Than Their Managers	Easy	37.5%
197	Rising Temperature	Easy	37.5%
208	Implement Trie (Prefix Tree) Tree	Medium	37.5%
209	Minimum Size Subarray Sum Array	Medium	37.5%
210	Course Schedule II	Medium	37.5%
213	House Robber II	Medium	37.5%
2149	Rearrange Array Elements by Sign Array	Medium	37.5%
226	Invert Binary Tree Tree	Easy	37.5%
228	Summary Ranges	Easy	37.5%
229	Majority Element II	Medium	37.5%
232	Implement Queue using Stacks Stack/Queue	Easy	37.5%
236	Lowest Common Ancestor of a Binary Tree 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%
258	Add Digits Math	Easy	37.5%
269	Alien Dictionary	Hard	37.5%
271	Encode and Decode Strings String	Medium	37.5%
273	Integer to English Words Math	Hard	37.5%
274	H-Index	Medium	37.5%
278	First Bad Version	Easy	37.5%
279	Perfect Squares	Medium	37.5%
282	Expression Add Operators	Hard	37.5%
297	Serialize and Deserialize Binary Tree Tree	Hard	37.5%
303	Range Sum Query - Immutable	Easy	37.5%
312	Burst Balloons	Hard	37.5%
316	Remove Duplicate Letters	Medium	37.5%
328	Odd Even Linked List Linked List	Medium	37.5%
329	Longest Increasing Path in a Matrix Array	Hard	37.5%
362	Design Hit Counter	Medium	37.5%
371	Sum of Two Integers Math	Medium	37.5%
373	Find K Pairs with Smallest Sums	Medium	37.5%
383	Ransom Note	Easy	37.5%
392	Is Subsequence String	Easy	37.5%
400	Nth Digit Math	Medium	37.5%
409	Longest Palindrome String	Easy	37.5%
412	Fizz Buzz	Easy	37.5%
417	Pacific Atlantic Water Flow	Medium	37.5%
421	Maximum XOR of Two Numbers in an Array ArrayMath	Medium	37.5%
2402	Meeting Rooms III	Hard	37.5%
438	Find All Anagrams in a String String	Medium	37.5%
442	Find All Duplicates in an Array Array	Medium	37.5%
443	String Compression String	Medium	37.5%
451	Sort Characters By Frequency	Medium	37.5%
455	Assign Cookies	Easy	37.5%
459	Repeated Substring Pattern StringTree	Easy	37.5%
460	LFU Cache	Hard	37.5%
486	Predict the Winner	Medium	37.5%
498	Diagonal Traverse	Medium	37.5%
518	Coin Change II DP	Medium	37.5%
525	Contiguous Array Array	Medium	37.5%
542	01 Matrix Array	Medium	37.5%
547	Number of Provinces Math	Medium	37.5%
567	Permutation in String String	Medium	37.5%
570	Managers with at Least 5 Direct Reports	Medium	37.5%
577	Employee Bonus	Easy	37.5%
584	Find Customer Referee	Easy	37.5%
595	Big Countries Tree	Easy	37.5%
605	Can Place Flowers	Easy	37.5%
621	Task Scheduler	Medium	37.5%
647	Palindromic Substrings StringTree	Medium	37.5%
652	Find Duplicate Subtrees Tree	Medium	37.5%
658	Find K Closest Elements	Medium	37.5%
684	Redundant Connection	Medium	37.5%
695	Max Area of Island Graph	Medium	37.5%
715	Range Module	Hard	37.5%
721	Accounts Merge	Medium	37.5%
735	Asteroid Collision	Medium	37.5%
767	Reorganize String String	Medium	37.5%
703	Kth Largest Element in a Stream Heap	Easy	37.5%
777	Swap Adjacent in LR String String	Medium	37.5%
778	Swim in Rising Water	Hard	37.5%
790	Domino and Tromino Tiling	Medium	37.5%
792	Number of Matching Subsequences StringMath	Medium	37.5%
802	Find Eventual Safe States	Medium	37.5%
2762	Continuous Subarrays Array	Medium	37.5%
808	Soup Servings	Medium	37.5%
818	Race Car	Hard	37.5%
832	Flipping an Image	Easy	37.5%
833	Find And Replace in String String	Medium	37.5%
844	Backspace String Compare String	Easy	37.5%
853	Car Fleet	Medium	37.5%
867	Transpose Matrix Array	Easy	37.5%
901	Online Stock Span	Medium	37.5%
962	Maximum Width Ramp	Medium	37.5%
963	Minimum Area Rectangle II	Medium	37.5%
2877	Create a DataFrame from List	Easy	37.5%
977	Squares of a Sorted Array Array	Easy	37.5%
987	Vertical Order Traversal of a Binary Tree Tree	Hard	37.5%
992	Subarrays with K Different Integers ArrayMath	Hard	37.5%
1021	Remove Outermost Parentheses	Easy	37.5%
1071	Greatest Common Divisor of Strings String	Easy	37.5%
1091	Shortest Path in Binary Matrix Array	Medium	37.5%
1110	Delete Nodes And Return Forest Linked List	Medium	37.5%
1146	Snapshot Array Array	Medium	37.5%
3110	Score of a String String	Easy	37.5%
1251	Average Selling Price	Easy	37.5%
1277	Count Square Submatrices with All Ones	Medium	37.5%
1293	Shortest Path in a Grid with Obstacles Elimination Tree	Hard	37.5%
1280	Students and Examinations	Easy	37.5%
1381	Design a Stack With Increment Operation Stack/Queue	Medium	37.5%
1378	Replace Employee ID With The Unique Identifier	Easy	37.5%
1423	Maximum Points You Can Obtain from Cards	Medium	37.5%
1470	Shuffle the Array Array	Easy	37.5%
1482	Minimum Number of Days to Make m Bouquets Math	Medium	37.5%
1539	Kth Missing Positive Number Math	Easy	37.5%
1581	Customer Who Visited but Did Not Make Any Transactions	Easy	37.5%
1631	Path With Minimum Effort	Medium	37.5%
1661	Average Time of Process per Machine	Easy	37.5%
1825	Finding MK Average	Hard	37.5%
1834	Single-Threaded CPU	Medium	37.5%
1838	Frequency of the Most Frequent Element	Medium	37.5%
263	Ugly Number Math	Easy	37.5%
724	Find Pivot Index	Easy	37.5%
3318	Find X-Sum of All K-Long Subarrays I Array	Easy	37.5%
3024	Type of Triangle	Easy	37.5%
2965	Find Missing and Repeated Values	Easy	37.5%
3356	Zero Array Transformation II Array	Medium	37.5%
3481	Apply Substitutions Tree	Medium	37.5%
3532	Path Existence Queries in a Graph I Graph	Medium	37.5%
3646	Next Special Palindrome Number StringMath	Hard	37.5%
1502	Can Make Arithmetic Progression From Sequence	Easy	37.5%
52	N-Queens II	Hard	25.0%
59	Spiral Matrix II Array	Medium	25.0%
82	Remove Duplicates from Sorted List II	Medium	25.0%
87	Scramble String String	Hard	25.0%
111	Minimum Depth of Binary Tree Tree	Easy	25.0%
116	Populating Next Right Pointers in Each Node Linked List	Medium	25.0%
145	Binary Tree Postorder Traversal Tree	Easy	25.0%
154	Find Minimum in Rotated Sorted Array II ArrayBinary Search	Hard	25.0%
158	Read N Characters Given read4 II - Call Multiple Times	Hard	25.0%
159	Longest Substring with At Most Two Distinct Characters StringTree	Medium	25.0%
163	Missing Ranges	Easy	25.0%
172	Factorial Trailing Zeroes	Medium	25.0%
178	Rank Scores	Medium	25.0%
188	Best Time to Buy and Sell Stock IV	Hard	25.0%
227	Basic Calculator II	Medium	25.0%
233	Number of Digit One Math	Hard	25.0%
235	Lowest Common Ancestor of a Binary Search Tree TreeBinary Search	Medium	25.0%
246	Strobogrammatic Number Math	Easy	25.0%
251	Flatten 2D Vector	Medium	25.0%
259	3Sum Smaller	Medium	25.0%
261	Graph Valid Tree TreeGraph	Medium	25.0%
266	Palindrome Permutation String	Easy	25.0%
272	Closest Binary Search Tree Value II TreeBinary Search	Hard	25.0%
276	Paint Fence	Medium	25.0%
280	Wiggle Sort	Medium	25.0%
281	Zigzag Iterator	Medium	25.0%
284	Peeking Iterator	Medium	25.0%
286	Walls and Gates	Medium	25.0%
288	Unique Word Abbreviation	Medium	25.0%
289	Game of Life	Medium	25.0%
290	Word Pattern	Easy	25.0%
293	Flip Game	Easy	25.0%
294	Flip Game II	Medium	25.0%
313	Super Ugly Number Math	Medium	25.0%
314	Binary Tree Vertical Order Traversal Tree	Medium	25.0%
317	Shortest Distance from All Buildings	Hard	25.0%
319	Bulb Switcher	Medium	25.0%
320	Generalized Abbreviation	Medium	25.0%
321	Create Maximum Number Math	Hard	25.0%
323	Number of Connected Components in an Undirected Graph GraphMath	Medium	25.0%
324	Wiggle Sort II	Medium	25.0%
327	Count of Range Sum	Hard	25.0%
331	Verify Preorder Serialization of a Binary Tree Tree	Medium	25.0%
337	House Robber III	Medium	25.0%
340	Longest Substring with At Most K Distinct Characters StringTree	Medium	25.0%
342	Power of Four Math	Easy	25.0%
348	Design Tic-Tac-Toe	Medium	25.0%
353	Design Snake Game	Medium	25.0%
356	Line Reflection	Medium	25.0%
357	Count Numbers with Unique Digits Math	Medium	25.0%
358	Rearrange String k Distance Apart String	Hard	25.0%
360	Sort Transformed Array Array	Medium	25.0%
361	Bomb Enemy	Medium	25.0%
363	Max Sum of Rectangle No Larger Than K	Hard	25.0%
366	Find Leaves of Binary Tree Tree	Medium	25.0%
369	Plus One Linked List Linked List	Medium	25.0%
370	Range Addition	Medium	25.0%
374	Guess Number Higher or Lower Math	Easy	25.0%
378	Kth Smallest Element in a Sorted Matrix Array	Medium	25.0%
391	Perfect Rectangle	Hard	25.0%
393	UTF-8 Validation	Medium	25.0%
397	Integer Replacement Math	Medium	25.0%
401	Binary Watch	Easy	25.0%
403	Frog Jump	Hard	25.0%
408	Valid Word Abbreviation	Easy	25.0%
411	Minimum Unique Word Abbreviation	Hard	25.0%
418	Sentence Screen Fitting	Medium	25.0%
422	Valid Word Square	Easy	25.0%
425	Word Squares	Hard	25.0%
437	Path Sum III	Medium	25.0%
465	Optimal Account Balancing	Hard	25.0%
469	Convex Polygon	Medium	25.0%
471	Encode String with Shortest Length String	Hard	25.0%
474	Ones and Zeroes	Medium	25.0%
480	Sliding Window Median Sliding WindowHeap	Hard	25.0%
481	Magical String String	Medium	25.0%
483	Smallest Good Base	Hard	25.0%
484	Find Permutation	Medium	25.0%
487	Max Consecutive Ones II	Medium	25.0%
490	The Maze	Medium	25.0%
501	Find Mode in Binary Search Tree TreeBinary Search	Easy	25.0%
505	The Maze II	Medium	25.0%
2031	Count Subarrays With More Ones Than Zeros Array	Medium	25.0%
1059	All Paths from Source Lead to Destination	Medium	25.0%
514	Freedom Trail	Hard	25.0%
520	Detect Capital	Easy	25.0%
521	Longest Uncommon Subsequence I String	Easy	25.0%
524	Longest Word in Dictionary through Deleting	Medium	25.0%
527	Word Abbreviation	Hard	25.0%
530	Minimum Absolute Difference in BST Tree	Easy	25.0%
531	Lonely Pixel I	Medium	25.0%
533	Lonely Pixel II	Medium	25.0%
535	Encode and Decode TinyURL	Medium	25.0%
544	Output Contest Matches	Medium	25.0%
545	Boundary of Binary Tree Tree	Medium	25.0%
549	Binary Tree Longest Consecutive Sequence II Tree	Medium	25.0%
551	Student Attendance Record I	Easy	25.0%
552	Student Attendance Record II	Hard	25.0%
562	Longest Line of Consecutive One in Matrix Array	Medium	25.0%
568	Maximum Vacation Days	Hard	25.0%
569	Median Employee Salary Heap	Hard	25.0%
572	Subtree of Another Tree Tree	Easy	25.0%
583	Delete Operation for Two Strings String	Medium	25.0%
604	Design Compressed String Iterator String	Easy	25.0%
633	Sum of Square Numbers Math	Medium	25.0%
638	Shopping Offers	Medium	25.0%
644	Maximum Average Subarray II Array	Hard	25.0%
651	4 Keys Keyboard	Medium	25.0%
656	Coin Path	Hard	25.0%
657	Robot Return to Origin	Easy	25.0%
665	Non-decreasing Array Array	Medium	25.0%
667	Beautiful Arrangement II	Medium	25.0%
668	Kth Smallest Number in Multiplication Table Math	Hard	25.0%
673	Number of Longest Increasing Subsequence StringMath	Medium	25.0%
676	Implement Magic Dictionary	Medium	25.0%
678	Valid Parenthesis String String	Medium	25.0%
682	Baseball Game	Easy	25.0%
683	K Empty Slots	Hard	25.0%
687	Longest Univalue Path	Medium	25.0%
689	Maximum Sum of 3 Non-Overlapping Subarrays Array	Hard	25.0%
698	Partition to K Equal Sum Subsets DP	Medium	25.0%
713	Subarray Product Less Than K Array	Medium	25.0%
719	Find K-th Smallest Pair Distance	Hard	25.0%
727	Minimum Window Subsequence StringSliding Window	Hard	25.0%
731	My Calendar II	Medium	25.0%
732	My Calendar III	Hard	25.0%
734	Sentence Similarity	Easy	25.0%
737	Sentence Similarity II	Medium	25.0%
747	Largest Number At Least Twice of Others Math	Easy	25.0%
748	Shortest Completing Word	Easy	25.0%
753	Cracking the Safe	Hard	25.0%
756	Pyramid Transition Matrix Array	Medium	25.0%
758	Bold Words in String String	Medium	25.0%
760	Find Anagram Mappings String	Easy	25.0%
430	Flatten a Multilevel Doubly Linked List Linked List	Medium	25.0%
768	Max Chunks To Make Sorted II	Hard	25.0%
769	Max Chunks To Make Sorted	Medium	25.0%
701	Insert into a Binary Search Tree TreeBinary Search	Medium	25.0%
772	Basic Calculator III	Hard	25.0%
702	Search in a Sorted Array of Unknown Size Array	Medium	25.0%
774	Minimize Max Distance to Gas Station	Hard	25.0%
779	K-th Symbol in Grammar	Medium	25.0%
782	Transform to Chessboard	Hard	25.0%
783	Minimum Distance Between BST Nodes TreeLinked List	Easy	25.0%
788	Rotated Digits Binary SearchMath	Medium	25.0%
789	Escape The Ghosts	Medium	25.0%
800	Similar RGB Color	Easy	25.0%
803	Bricks Falling When Hit	Hard	25.0%
809	Expressive Words	Medium	25.0%
812	Largest Triangle Area	Easy	25.0%
813	Largest Sum of Averages	Medium	25.0%
816	Ambiguous Coordinates	Medium	25.0%
817	Linked List Components Linked List	Medium	25.0%
708	Insert into a Sorted Circular Linked List Linked List	Medium	25.0%
830	Positions of Large Groups	Easy	25.0%
835	Image Overlap	Medium	25.0%
489	Robot Room Cleaner	Hard	25.0%
838	Push Dominoes	Medium	25.0%
839	Similar String Groups String	Hard	25.0%
840	Magic Squares In Grid	Medium	25.0%
845	Longest Mountain in Array Array	Medium	25.0%
849	Maximize Distance to Closest Person	Medium	25.0%
854	K-Similar Strings String	Hard	25.0%
855	Exam Room	Medium	25.0%
857	Minimum Cost to Hire K Workers	Hard	25.0%
863	All Nodes Distance K in Binary Tree TreeLinked List	Medium	25.0%
710	Random Pick with Blacklist	Hard	25.0%
519	Random Flip Matrix Array	Medium	25.0%
881	Boats to Save People	Medium	25.0%
889	Construct Binary Tree from Preorder and Postorder Traversal Tree	Medium	25.0%
894	All Possible Full Binary Trees Tree	Medium	25.0%
906	Super Palindromes String	Hard	25.0%
911	Online Election	Medium	25.0%
913	Cat and Mouse	Hard	25.0%
914	X of a Kind in a Deck of Cards	Easy	25.0%
916	Word Subsets	Medium	25.0%
919	Complete Binary Tree Inserter Tree	Medium	25.0%
921	Minimum Add to Make Parentheses Valid	Medium	25.0%
926	Flip String to Monotone Increasing String	Medium	25.0%
929	Unique Email Addresses	Easy	25.0%
931	Minimum Falling Path Sum	Medium	25.0%
932	Beautiful Array Array	Medium	25.0%
935	Knight Dialer	Medium	25.0%
942	DI String Match String	Easy	25.0%
944	Delete Columns to Make Sorted	Easy	25.0%
947	Most Stones Removed with Same Row or Column	Medium	25.0%
948	Bag of Tokens	Medium	25.0%
951	Flip Equivalent Binary Trees Tree	Medium	25.0%
952	Largest Component Size by Common Factor	Hard	25.0%
954	Array of Doubled Pairs Array	Medium	25.0%
955	Delete Columns to Make Sorted II	Medium	25.0%
960	Delete Columns to Make Sorted III	Hard	25.0%
997	Find the Town Judge	Easy	25.0%
1007	Minimum Domino Rotations For Equal Row	Medium	25.0%
1055	Shortest Way to Form String String	Medium	25.0%
1057	Campus Bikes	Medium	25.0%
1012	Numbers With Repeated Digits Math	Hard	25.0%
1014	Best Sightseeing Pair	Medium	25.0%
1015	Smallest Integer Divisible by K Math	Medium	25.0%
1016	Binary String With Substrings Representing 1 To N StringTree	Medium	25.0%
1066	Campus Bikes II	Medium	25.0%
1056	Confusing Number Math	Easy	25.0%
1087	Brace Expansion	Medium	25.0%
1088	Confusing Number II Math	Hard	25.0%
1023	Camelcase Matching	Medium	25.0%
1024	Video Stitching	Medium	25.0%
1025	Divisor Game	Easy	25.0%
1027	Longest Arithmetic Subsequence String	Medium	25.0%
1032	Stream of Characters	Hard	25.0%
1037	Valid Boomerang	Easy	25.0%
1161	Maximum Level Sum of a Binary Tree Tree	Medium	25.0%
1121	Divide Array Into Increasing Sequences Array	Hard	25.0%
1043	Partition Array for Maximum Sum ArrayDP	Medium	25.0%
1044	Longest Duplicate Substring StringTree	Hard	25.0%
1165	Single-Row Keyboard	Easy	25.0%
1153	String Transforms Into Another String String	Hard	25.0%
1167	Minimum Cost to Connect Sticks	Medium	25.0%
1048	Longest String Chain String	Medium	25.0%
1182	Shortest Distance to Target Color	Medium	25.0%
1197	Minimum Knight Moves	Medium	25.0%
1168	Optimize Water Distribution in a Village	Hard	25.0%
1068	Product Sales Analysis I	Easy	25.0%
1078	Occurrences After Bigram	Easy	25.0%
1081	Smallest Subsequence of Distinct Characters String	Medium	25.0%
1079	Letter Tile Possibilities	Medium	25.0%
1199	Minimum Time to Build Blocks	Hard	25.0%
1090	Largest Values From Labels	Medium	25.0%
1245	Tree Diameter Tree	Medium	25.0%
1095	Find in Mountain Array Array	Hard	25.0%
1096	Brace Expansion II	Hard	25.0%
1231	Divide Chocolate	Hard	25.0%
1105	Filling Bookcase Shelves	Medium	25.0%
1272	Remove Interval	Medium	25.0%
1114	Print in Order	Easy	25.0%
1619	Mean of Array After Removing Some Elements Array	Easy	25.0%
1286	Iterator for Combination	Medium	25.0%
1287	Element Appearing More Than 25% In Sorted Array Array	Easy	25.0%
1289	Minimum Falling Path Sum II	Hard	25.0%
1300	Sum of Mutated Array Closest to Target Array	Medium	25.0%
1138	Alphabet Board Path	Medium	25.0%
1313	Decompress Run-Length Encoded List	Easy	25.0%
1314	Matrix Block Sum Array	Medium	25.0%
1316	Distinct Echo Substrings StringTree	Hard	25.0%
1144	Decrease Elements To Make Array Zigzag Array	Medium	25.0%
1145	Binary Tree Coloring Game Tree	Medium	25.0%
1147	Longest Chunked Palindrome Decomposition String	Hard	25.0%
1302	Deepest Leaves Sum	Medium	25.0%
1632	Rank Transform of a Matrix Array	Hard	25.0%
1170	Compare Strings by Frequency of the Smallest Character String	Medium	25.0%
1184	Distance Between Bus Stops	Easy	25.0%
1483	Kth Ancestor of a Tree Node TreeLinked List	Hard	25.0%
2079	Watering Plants	Medium	25.0%
1706	Where Will the Ball Fall	Medium	25.0%
1206	Design Skiplist	Hard	25.0%
1233	Remove Sub-Folders from the Filesystem	Medium	25.0%
1240	Tiling a Rectangle with the Fewest Squares	Hard	25.0%
1726	Tuple with Same Product	Medium	25.0%
1249	Minimum Remove to Make Valid Parentheses Stack/Queue	Medium	25.0%
1618	Maximum Font to Fit a Sentence in a Screen	Medium	25.0%
1261	Find Elements in a Contaminated Binary Tree Tree	Medium	25.0%
2215	Find the Difference of Two Arrays Array	Easy	25.0%
2218	Maximum Value of K Coins From Piles	Hard	25.0%
2304	Minimum Path Cost in a Grid	Medium	25.0%
1267	Count Servers that Communicate	Medium	25.0%
1269	Number of Ways to Stay in the Same Place After Some Steps Math	Hard	25.0%
1270	All People Report to the Given Manager	Medium	25.0%
1283	Find the Smallest Divisor Given a Threshold	Medium	25.0%
1292	Maximum Side Length of a Square with Sum Less than or Equal to Threshold	Medium	25.0%
1320	Minimum Distance to Type a Word Using Two Fingers	Hard	25.0%
1342	Number of Steps to Reduce a Number to Zero Math	Easy	25.0%
1345	Jump Game IV	Hard	25.0%
1358	Number of Substrings Containing All Three Characters StringTreeMath	Medium	25.0%
1346	Check If N and Its Double Exist	Easy	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%
1366	Rank Teams by Votes	Medium	25.0%
1387	Sort Integers by The Power Value Math	Medium	25.0%
1388	Pizza With 3n Slices	Hard	25.0%
1401	Circle and Rectangle Overlapping	Medium	25.0%
1392	Longest Happy Prefix	Hard	25.0%
1414	Find the Minimum Number of Fibonacci Numbers Whose Sum Is K DPMath	Medium	25.0%
1406	Stone Game III	Hard	25.0%
1422	Maximum Score After Splitting a String String	Easy	25.0%
1424	Diagonal Traverse II	Medium	25.0%
1447	Simplified Fractions	Medium	25.0%
1449	Form Largest Integer With Digits That Add up to Target Math	Hard	25.0%
1441	Build an Array With Stack Operations ArrayStack/Queue	Medium	25.0%
1444	Number of Ways of Cutting a Pizza Math	Hard	25.0%
1461	Check If a String Contains All Binary Codes of Size K String	Medium	25.0%
1452	People Whose List of Favorite Companies Is Not a Subset of Another List	Medium	25.0%
1477	Find Two Non-overlapping Sub-arrays Each With Target Sum Array	Medium	25.0%
1471	The k Strongest Values in an Array Array	Medium	25.0%
1493	Longest Subarray of 1's After Deleting One Element Array	Medium	25.0%
1494	Parallel Courses II	Hard	25.0%
1508	Range Sum of Sorted Subarray Sums Array	Medium	25.0%
1498	Number of Subsequences That Satisfy the Given Sum Condition StringMath	Medium	25.0%
1499	Max Value of Equation	Hard	25.0%
1503	Last Moment Before All Ants Fall Out of a Plank	Medium	25.0%
1504	Count Submatrices With All Ones	Medium	25.0%
1525	Number of Good Ways to Split a String StringMath	Medium	25.0%
1513	Number of Substrings With Only 1s StringTreeMath	Medium	25.0%
1546	Maximum Number of Non-Overlapping Subarrays With Sum Equals Target ArrayMath	Medium	25.0%
1506	Find Root of N-Ary Tree Tree	Medium	25.0%
1530	Number of Good Leaf Nodes Pairs Linked ListMath	Medium	25.0%
1516	Move Sub-Tree of N-Ary Tree Tree	Hard	25.0%
1557	Minimum Number of Vertices to Reach All Nodes Linked ListMath	Medium	25.0%
1544	Make The String Great String	Easy	25.0%
1553	Minimum Number of Days to Eat N Oranges Math	Hard	25.0%
1538	Guess the Majority in a Hidden Array Array	Medium	25.0%
1562	Find Latest Group of Size M	Medium	25.0%
1548	The Most Similar Path in a Graph Graph	Hard	25.0%
1569	Number of Ways to Reorder Array to Get Same BST ArrayTreeMath	Hard	25.0%
1591	Strange Printer II	Hard	25.0%
1564	Put Boxes Into the Warehouse I	Medium	25.0%
1584	Min Cost to Connect All Points	Medium	25.0%
1585	Check If String Is Transformable With Substring Sort Operations StringTree	Hard	25.0%
1592	Rearrange Spaces Between Words	Easy	25.0%
1593	Split a String Into the Max Number of Unique Substrings StringTreeMath	Medium	25.0%
1594	Maximum Non Negative Product in a Matrix Array	Medium	25.0%
1595	Minimum Cost to Connect Two Groups of Points	Hard	25.0%
1580	Put Boxes Into the Warehouse II	Medium	25.0%
1600	Throne Inheritance	Medium	25.0%
1728	Cat and Mouse II	Hard	25.0%
1622	Fancy Sequence	Hard	25.0%
1608	Special Array With X Elements Greater Than or Equal X Array	Easy	25.0%
1602	Find Nearest Right Node in Binary Tree TreeLinked List	Medium	25.0%
1612	Check If Two Expression Trees are Equivalent Tree	Medium	25.0%
1630	Arithmetic Subarrays Array	Medium	25.0%
1655	Distribute Repeating Integers Math	Hard	25.0%
1658	Minimum Operations to Reduce X to Zero	Medium	25.0%
1673	Find the Most Competitive Subsequence String	Medium	25.0%
1660	Correct a Binary Tree Tree	Medium	25.0%
1679	Max Number of K-Sum Pairs Math	Medium	25.0%
1703	Minimum Adjacent Swaps for K Consecutive Ones	Hard	25.0%
1666	Change the Root of a Binary Tree Tree	Medium	25.0%
1697	Checking Existence of Edge Length Limited Paths	Hard	25.0%
1707	Maximum XOR With an Element From Array Array	Hard	25.0%
1692	Count Ways to Distribute Candies	Hard	25.0%
1713	Minimum Operations to Make a Subsequence String	Hard	25.0%
1732	Find the Highest Altitude	Easy	25.0%
1722	Minimize Hamming Distance After Swap Operations	Medium	25.0%
1727	Largest Submatrix With Rearrangements Array	Medium	25.0%
1708	Largest Subarray Length K Array	Easy	25.0%
1736	Latest Time by Replacing Hidden Digits Math	Easy	25.0%
1737	Change Minimum Characters to Satisfy One of Three Conditions	Medium	25.0%
1738	Find Kth Largest XOR Coordinate Value Heap	Medium	25.0%
1724	Checking Existence of Edge Length Limited Paths II	Hard	25.0%
1766	Tree of Coprimes TreeMath	Hard	25.0%
1765	Map of Highest Peak Binary Search	Medium	25.0%
1753	Maximum Score From Removing Stones	Medium	25.0%
1770	Maximum Score from Performing Multiplication Operations	Hard	25.0%
1774	Closest Dessert Cost	Medium	25.0%
1756	Design Most Recently Used Queue Stack/Queue	Medium	25.0%
1786	Number of Restricted Paths From First to Last Node Linked ListMath	Medium	25.0%
1767	Find the Subtasks That Did Not Execute	Hard	25.0%
1793	Maximum Score of a Good Subarray Array	Hard	25.0%
1813	Sentence Similarity III	Medium	25.0%
1815	Maximum Number of Groups Getting Fresh Donuts Math	Hard	25.0%
1807	Evaluate the Bracket Pairs of a String StringStack/Queue	Medium	25.0%
1806	Minimum Number of Operations to Reinitialize a Permutation Math	Medium	25.0%
1828	Queries on Number of Points Inside a Circle Math	Medium	25.0%
1794	Count Pairs of Equal Substrings With Minimum Difference StringTree	Medium	25.0%
1810	Minimum Path Cost in a Hidden Grid	Medium	25.0%
1821	Find Customers With Positive Revenue this Year	Easy	25.0%
1850	Minimum Adjacent Swaps to Reach the Kth Smallest Number Math	Medium	25.0%
1857	Largest Color Value in a Directed Graph Graph	Hard	25.0%
1866	Number of Ways to Rearrange Sticks With K Sticks Visible Math	Hard	25.0%
1870	Minimum Speed to Arrive on Time	Medium	25.0%
1871	Jump Game VII	Medium	25.0%
1896	Minimum Cost to Change the Final Value of Expression	Hard	25.0%
1858	Longest Word With All Prefixes	Medium	25.0%
1883	Minimum Skips to Arrive at Meeting On Time	Hard	25.0%
1888	Minimum Number of Flips to Make the Binary String Alternating StringMath	Medium	25.0%
1899	Merge Triplets to Form Target Triplet	Medium	25.0%
1900	The Earliest and Latest Rounds Where Players Compete	Hard	25.0%
1874	Minimize Product Sum of Two Arrays Array	Medium	25.0%
1906	Minimum Absolute Difference Queries	Medium	25.0%
1915	Number of Wonderful Substrings StringTreeMath	Medium	25.0%
1891	Cutting Ribbons	Medium	25.0%
1901	Find a Peak Element II Binary Search	Medium	25.0%
1920	Build Array from Permutation Array	Easy	25.0%
1921	Eliminate Maximum Number of Monsters Math	Medium	25.0%
1943	Describe the Painting	Medium	25.0%
1930	Unique Length-3 Palindromic Subsequences String	Medium	25.0%
1931	Painting a Grid With Three Different Colors	Hard	25.0%
1918	Kth Smallest Subarray Sum Array	Medium	25.0%
1940	Longest Common Subsequence Between Sorted Arrays ArrayStringDP	Medium	25.0%
1924	Erect the Fence II	Hard	25.0%
1970	Last Day Where You Can Still Cross	Hard	25.0%
1993	Operations on Tree Tree	Medium	25.0%
1966	Binary Searchable Numbers in an Unsorted Array ArrayBinary SearchMath	Medium	25.0%
1987	Number of Unique Good Subsequences StringMath	Hard	25.0%
2007	Find Original Array From Doubled Array Array	Medium	25.0%
1996	The Number of Weak Characters in the Game Math	Medium	25.0%
2022	Convert 1D Array Into 2D Array Array	Easy	25.0%
2011	Final Value of Variable After Performing Operations	Easy	25.0%
2018	Check if Word Can Be Placed In Crossword	Medium	25.0%
2034	Stock Price Fluctuation	Medium	25.0%
2050	Parallel Courses III	Hard	25.0%
2059	Minimum Operations to Convert Number Math	Medium	25.0%
2088	Count Fertile Pyramids in a Land	Hard	25.0%
2076	Process Restricted Friend Requests	Hard	25.0%
2089	Find Target Indices After Sorting Array Array	Easy	25.0%
2092	Find All People With Secret	Hard	25.0%
2077	Paths in Maze That Lead to Same Room	Medium	25.0%
2114	Maximum Number of Words Found in Sentences Math	Easy	25.0%
2105	Watering Plants II	Medium	25.0%
2122	Recover the Original Array Array	Hard	25.0%
2126	Destroying Asteroids	Medium	25.0%
2135	Count Words Obtained After Adding a Letter	Medium	25.0%
2155	All Divisions With the Highest Score of a Binary Array Array	Medium	25.0%
2162	Minimum Cost to Set Cooking Time	Medium	25.0%
2128	Remove All Ones With Row and Column Flips	Medium	25.0%
2150	Find All Lonely Numbers in the Array ArrayMath	Medium	25.0%
2178	Maximum Split of Positive Even Integers Math	Medium	25.0%
2167	Minimum Time to Remove All Cars Containing Illegal Goods	Hard	25.0%
2172	Maximum AND Sum of Array Array	Hard	25.0%
2185	Counting Words With a Given Prefix	Easy	25.0%
2196	Create Binary Tree From Descriptions Tree	Medium	25.0%
2209	Minimum White Tiles After Covering With Carpets	Hard	25.0%
2190	Most Frequent Number Following Key In an Array ArrayMath	Easy	25.0%
2174	Remove All Ones With Row and Column Flips II	Medium	25.0%
2200	Find All K-Distant Indices in an Array Array	Easy	25.0%
2255	Count Prefixes of a Given String String	Easy	25.0%
2224	Minimum Number of Operations to Convert Time Math	Easy	25.0%
2267	Check if There Is a Valid Parentheses String Path StringStack/Queue	Hard	25.0%
2241	Design an ATM Machine	Medium	25.0%
2242	Maximum Score of a Node Sequence Linked List	Hard	25.0%
2271	Maximum White Tiles Covered by a Carpet	Medium	25.0%
2280	Minimum Lines to Represent a Line Chart	Medium	25.0%
2283	Check if Number Has Equal Digit Count and Digit Value Math	Easy	25.0%
2284	Sender With Largest Word Count	Medium	25.0%
2286	Booking Concert Tickets in Groups	Hard	25.0%
2237	Count Positions on Street With Required Brightness Tree	Medium	25.0%
2296	Design a Text Editor	Hard	25.0%
2311	Longest Binary Subsequence Less Than or Equal to K String	Medium	25.0%
2254	Design Video Sharing Platform	Hard	25.0%
2313	Minimum Flips in Binary Tree to Get Result Tree	Hard	25.0%
2315	Count Asterisks	Easy	25.0%
2334	Subarray With Elements Greater Than Varying Threshold Array	Hard	25.0%
2351	First Letter to Appear Twice	Easy	25.0%
2348	Number of Zero-Filled Subarrays ArrayMath	Medium	25.0%
2350	Shortest Impossible Sequence of Rolls	Hard	25.0%
2363	Merge Similar Items	Easy	25.0%
2392	Build a Matrix With Conditions Array	Hard	25.0%
2345	Finding the Number of Visible Mountains Math	Medium	25.0%
2459	Sort Array by Moving Items to Empty Space Array	Hard	25.0%
2416	Sum of Prefix Scores of Strings String	Hard	25.0%
2421	Number of Good Paths Math	Hard	25.0%
2371	Minimize Maximum Value in a Grid	Hard	25.0%
2424	Longest Uploaded Prefix	Medium	25.0%
2426	Number of Pairs Satisfying Inequality Math	Hard	25.0%
2435	Paths in Matrix Whose Sum Is Divisible by K Array	Hard	25.0%
2442	Count Number of Distinct Integers After Reverse Operations Math	Medium	25.0%
2446	Determine if Two Events Have Conflict	Easy	25.0%
2452	Words Within Two Edits of Dictionary	Medium	25.0%
2476	Closest Nodes Queries in a Binary Search Tree TreeLinked ListBinary Search	Medium	25.0%
2478	Number of Beautiful Partitions DPMath	Hard	25.0%
2488	Count Subarrays With Median K ArrayHeap	Hard	25.0%
2498	Frog Jump II	Medium	25.0%
2531	Make Number of Distinct Characters Equal Math	Medium	25.0%
2534	Time Taken to Cross the Door	Hard	25.0%
2536	Increment Submatrices by One	Medium	25.0%
2556	Disconnect Path in a Binary Matrix by at Most One Flip Array	Medium	25.0%
2510	Check if There is a Path With Equal Number of 0's And 1's Math	Medium	25.0%
2563	Count the Number of Fair Pairs Math	Medium	25.0%
2570	Merge Two 2D Arrays by Summing Values Array	Easy	25.0%
2601	Prime Subtraction Operation Math	Medium	25.0%
2621	Sleep	Easy	25.0%
2619	Array Prototype Last Array	Easy	25.0%
2698	Find the Punishment Number of an Integer Math	Medium	25.0%
2704	To Be Or Not To Be	Easy	25.0%
2689	Extract Kth Character From The Rope Tree Tree	Easy	25.0%
2763	Sum of Imbalance Numbers of All Subarrays ArrayMath	Hard	25.0%
2728	Count Houses in a Circular Street Tree	Easy	25.0%
2779	Maximum Beauty of an Array After Applying Operation Array	Medium	25.0%
2857	Count Pairs of Points With Distance k	Medium	25.0%
2817	Minimum Absolute Difference Between Elements With Constraint	Medium	25.0%
2851	String Transformation String	Hard	25.0%
2849	Determine if a Cell Is Reachable at a Given Time	Medium	25.0%
2842	Count K-Subsequences of a String With Maximum Beauty String	Hard	25.0%
2872	Maximum Number of K-Divisible Components Math	Hard	25.0%
2919	Minimum Increment Operations to Make Array Beautiful Array	Medium	25.0%
2923	Find Champion I	Easy	25.0%
2924	Find Champion II	Medium	25.0%
2925	Maximum Score After Applying Operations on a Tree Tree	Medium	25.0%
2963	Count the Number of Good Partitions DPMath	Hard	25.0%
2936	Number of Equal Numbers Blocks Math	Medium	25.0%
2967	Minimum Cost to Make Array Equalindromic Array	Medium	25.0%
3007	Maximum Number That Sum of the Prices Is Less Than or Equal to K Math	Medium	25.0%
2966	Divide Array Into Arrays With Max Difference Array	Medium	25.0%
2982	Find Longest Special Substring That Occurs Thrice II StringTree	Medium	25.0%
3027	Find the Number of Ways to Place People II Math	Hard	25.0%
3025	Find the Number of Ways to Place People I Math	Medium	25.0%
3041	Maximize Consecutive Elements in an Array After Modification Array	Hard	25.0%
3044	Most Frequent Prime Math	Medium	25.0%
3047	Find the Largest Area of Square Inside Two Rectangles	Medium	25.0%
3114	Latest Time You Can Obtain After Replacing Characters	Easy	25.0%
3117	Minimum Sum of Values by Dividing Array Array	Hard	25.0%
3093	Longest Common Suffix Queries DP	Hard	25.0%
3137	Minimum Number of Operations to Make Word K-Periodic Math	Medium	25.0%
3153	Sum of Digit Differences of All Pairs Math	Medium	25.0%
3202	Find the Maximum Length of Valid Subsequence II String	Medium	25.0%
1937	Maximum Number of Points with Cost Math	Medium	25.0%
1934	Confirmation Rate	Medium	25.0%
47	Permutations II	Medium	25.0%
63	Unique Paths II	Medium	25.0%
1971	Find if Path Exists in Graph Graph	Easy	25.0%
1978	Employees Whose Manager Left the Company	Easy	25.0%
2025	Maximum Number of Ways to Partition an Array ArrayDPMath	Hard	25.0%
91	Decode Ways	Medium	25.0%
93	Restore IP Addresses	Medium	25.0%
95	Unique Binary Search Trees II TreeBinary Search	Medium	25.0%
96	Unique Binary Search Trees TreeBinary Search	Medium	25.0%
97	Interleaving String String	Medium	25.0%
106	Construct Binary Tree from Inorder and Postorder Traversal Tree	Medium	25.0%
109	Convert Sorted List to Binary Search Tree TreeBinary Search	Medium	25.0%
112	Path Sum	Easy	25.0%
113	Path Sum II	Medium	25.0%
115	Distinct Subsequences String	Hard	25.0%
119	Pascal's Triangle II	Easy	25.0%
123	Best Time to Buy and Sell Stock III	Hard	25.0%
126	Word Ladder II	Hard	25.0%
129	Sum Root to Leaf Numbers Math	Medium	25.0%
2057	Smallest Index With Equal Value	Easy	25.0%
140	Word Break II	Hard	25.0%
144	Binary Tree Preorder Traversal Tree	Easy	25.0%
149	Max Points on a Line	Hard	25.0%
2095	Delete the Middle Node of a Linked List Linked List	Medium	25.0%
173	Binary Search Tree Iterator TreeBinary Search	Medium	25.0%
174	Dungeon Game	Hard	25.0%
2103	Rings and Rods	Easy	25.0%
182	Duplicate Emails	Easy	25.0%
2104	Sum of Subarray Ranges Array	Medium	25.0%
187	Repeated DNA Sequences	Medium	25.0%
190	Reverse Bits	Easy	25.0%
191	Number of 1 Bits Math	Easy	25.0%
193	Valid Phone Numbers Math	Easy	25.0%
196	Delete Duplicate Emails	Easy	25.0%
203	Remove Linked List Elements Linked List	Easy	25.0%
211	Design Add and Search Words Data Structure	Medium	25.0%
222	Count Complete Tree Nodes TreeLinked List	Easy	25.0%
241	Different Ways to Add Parentheses	Medium	25.0%
247	Strobogrammatic Number II Math	Medium	25.0%
2158	Amount of New Area Painted Each Day	Hard	25.0%
252	Meeting Rooms	Easy	25.0%
270	Closest Binary Search Tree Value TreeBinary Search	Easy	25.0%
2184	Number of Ways to Build Sturdy Brick Wall Math	Medium	25.0%
2251	Number of Flowers in Full Bloom Math	Hard	25.0%
2260	Minimum Consecutive Cards to Pick Up	Medium	25.0%
298	Binary Tree Longest Consecutive Sequence Tree	Medium	25.0%
299	Bulls and Cows	Medium	25.0%
302	Smallest Rectangle Enclosing Black Pixels	Hard	25.0%
308	Range Sum Query 2D - Mutable	Medium	25.0%
310	Minimum Height Trees Tree	Medium	25.0%
318	Maximum Product of Word Lengths	Medium	25.0%
2290	Minimum Obstacle Removal to Reach Corner Tree	Hard	25.0%
330	Patching Array Array	Hard	25.0%
334	Increasing Triplet Subsequence String	Medium	25.0%
336	Palindrome Pairs String	Hard	25.0%
2236	Root Equals Sum of Children	Easy	25.0%
338	Counting Bits	Easy	25.0%
341	Flatten Nested List Iterator	Medium	25.0%
343	Integer Break Math	Medium	25.0%
2302	Count Subarrays With Score Less Than K Array	Hard	25.0%
350	Intersection of Two Arrays II Array	Easy	25.0%
365	Water and Jug Problem	Medium	25.0%
367	Valid Perfect Square	Easy	25.0%
2331	Evaluate Boolean Binary Tree Tree	Easy	25.0%
375	Guess Number Higher or Lower II Math	Medium	25.0%
379	Design Phone Directory	Medium	25.0%
388	Longest Absolute File Path	Medium	25.0%
395	Longest Substring with At Least K Repeating Characters StringTree	Medium	25.0%
406	Queue Reconstruction by Height Stack/Queue	Medium	25.0%
2373	Largest Local Values in a Matrix Array	Easy	25.0%
414	Third Maximum Number Math	Easy	25.0%
2401	Longest Nice Subarray Array	Medium	25.0%
435	Non-overlapping Intervals	Medium	25.0%
441	Arranging Coins	Easy	25.0%
447	Number of Boomerangs Math	Medium	25.0%
450	Delete Node in a BST TreeLinked List	Medium	25.0%
456	132 Pattern	Medium	25.0%
463	Island Perimeter Graph	Easy	25.0%
475	Heaters	Medium	25.0%
2407	Longest Increasing Subsequence II String	Hard	25.0%
2437	Number of Valid Clock Times Math	Easy	25.0%
482	License Key Formatting	Easy	25.0%
2461	Maximum Sum of Distinct Subarrays With Length K Array	Medium	25.0%
506	Relative Ranks	Easy	25.0%
516	Longest Palindromic Subsequence String	Medium	25.0%
522	Longest Uncommon Subsequence II String	Medium	25.0%
523	Continuous Subarray Sum Array	Medium	25.0%
526	Beautiful Arrangement	Medium	25.0%
539	Minimum Time Difference	Medium	25.0%
587	Erect the Fence	Hard	25.0%
610	Triangle Judgement	Easy	25.0%
616	Add Bold Tag in String String	Medium	25.0%
620	Not Boring Movies	Easy	25.0%
642	Design Search Autocomplete System	Hard	25.0%
653	Two Sum IV - Input is a BST TreeSliding Window	Easy	25.0%
659	Split Array into Consecutive Subsequences ArrayString	Medium	25.0%
662	Maximum Width of Binary Tree Tree	Medium	25.0%
2616	Minimize the Maximum Difference of Pairs	Medium	25.0%
681	Next Closest Time	Medium	25.0%
685	Redundant Connection II	Hard	25.0%
2635	Apply Transform Over Each Element in Array Array	Easy	25.0%
726	Number of Atoms Math	Hard	25.0%
729	My Calendar I	Medium	25.0%
733	Flood Fill Graph	Easy	25.0%
759	Employee Free Time	Hard	25.0%
2769	Find the Maximum Achievable Number Math	Easy	25.0%
765	Couples Holding Hands	Hard	25.0%
766	Toeplitz Matrix Array	Easy	25.0%
771	Jewels and Stones	Easy	25.0%
700	Search in a Binary Search Tree TreeBinary Search	Easy	25.0%
780	Reaching Points	Hard	25.0%
781	Rabbits in Forest	Medium	25.0%
785	Is Graph Bipartite? Graph	Medium	25.0%
707	Design Linked List Linked List	Medium	25.0%
827	Making A Large Island Graph	Hard	25.0%
622	Design Circular Queue Stack/Queue	Medium	25.0%
837	New 21 Game	Medium	25.0%
846	Hand of Straights	Medium	25.0%
859	Buddy Strings String	Easy	25.0%
862	Shortest Subarray with Sum at Least K Array	Hard	25.0%
864	Shortest Path to Get All Keys	Hard	25.0%
879	Profitable Schemes	Hard	25.0%
497	Random Point in Non-overlapping Rectangles	Medium	25.0%
887	Super Egg Drop	Hard	25.0%
896	Monotonic Array ArrayStack/Queue	Easy	25.0%
900	RLE Iterator	Medium	25.0%
905	Sort Array By Parity Array	Easy	25.0%
909	Snakes and Ladders	Medium	25.0%
917	Reverse Only Letters	Easy	25.0%
918	Maximum Sum Circular Subarray Array	Medium	25.0%
933	Number of Recent Calls Math	Easy	25.0%
934	Shortest Bridge	Medium	25.0%
938	Range Sum of BST Tree	Easy	25.0%
941	Valid Mountain Array Array	Easy	25.0%
950	Reveal Cards In Increasing Order	Medium	25.0%
959	Regions Cut By Slashes	Medium	25.0%
973	K Closest Points to Origin	Medium	25.0%
974	Subarray Sums Divisible by K Array	Medium	25.0%
979	Distribute Coins in Binary Tree Tree	Medium	25.0%
980	Unique Paths III	Hard	25.0%
981	Time Based Key-Value Store	Medium	25.0%
986	Interval List Intersections	Medium	25.0%
988	Smallest String Starting From Leaf String	Medium	25.0%
1000	Minimum Cost to Merge Stones	Hard	25.0%
1008	Construct Binary Search Tree from Preorder Traversal TreeBinary Search	Medium	25.0%
1020	Number of Enclaves Math	Medium	25.0%
1136	Parallel Courses	Medium	25.0%
2863	Maximum Length of Semi-Decreasing Subarrays Array	Medium	25.0%
1046	Last Stone Weight	Easy	25.0%
1047	Remove All Adjacent Duplicates In String String	Easy	25.0%
1089	Duplicate Zeros	Easy	25.0%
1092	Shortest Common Supersequence	Hard	25.0%
550	Game Play Analysis IV	Medium	25.0%
1094	Car Pooling	Medium	25.0%
1106	Parsing A Boolean Expression	Hard	25.0%
1108	Defanging an IP Address	Easy	25.0%
1137	N-th Tribonacci Number Math	Easy	25.0%
1141	User Activity for the Past 30 Days I	Easy	25.0%
1164	Product Price at a Given Date	Medium	25.0%
1174	Immediate Food Delivery II	Medium	25.0%
1192	Critical Connections in a Network Graph	Hard	25.0%
1193	Monthly Transactions I	Medium	25.0%
1514	Path with Maximum Probability	Medium	25.0%
1218	Longest Arithmetic Subsequence of Given Difference String	Medium	25.0%
1219	Path with Maximum Gold	Medium	25.0%
1211	Queries Quality and Percentage	Easy	25.0%
1235	Maximum Profit in Job Scheduling	Hard	25.0%
1237	Find Positive Integer Solution for a Given Equation Math	Medium	25.0%
1248	Count Number of Nice Subarrays ArrayMath	Medium	25.0%
1268	Search Suggestions System	Medium	25.0%
3174	Clear Digits Math	Easy	25.0%
1290	Convert Binary Number in a Linked List to Integer Linked ListMath	Easy	25.0%
3196	Maximize Total Cost of Alternating Subarrays Array	Medium	25.0%
1296	Divide Array in Sets of K Consecutive Numbers ArrayMath	Medium	25.0%
2192	All Ancestors of a Node in a Directed Acyclic Graph GraphLinked List	Medium	25.0%
3201	Find the Maximum Length of Valid Subsequence I String	Medium	25.0%
1365	How Many Numbers Are Smaller Than the Current Number Math	Easy	25.0%
1376	Time Needed to Inform All Employees	Medium	25.0%
1377	Frog Position After T Seconds	Hard	25.0%
1431	Kids With the Greatest Number of Candies Math	Easy	25.0%
1463	Cherry Pickup II	Hard	25.0%
1492	The kth Factor of n	Medium	25.0%
1488	Avoid Flood in The City	Medium	25.0%
1509	Minimum Difference Between Largest and Smallest Value in Three Moves	Medium	25.0%
1512	Number of Good Pairs Math	Easy	25.0%
1528	Shuffle String String	Easy	25.0%
1547	Minimum Cost to Cut a Stick	Hard	25.0%
1582	Special Positions in a Binary Matrix Array	Easy	25.0%
1605	Find Valid Matrix Given Row and Column Sums Array	Medium	25.0%
1616	Split Two Strings to Make Palindrome String	Medium	25.0%
1642	Furthest Building You Can Reach	Medium	25.0%
1700	Number of Students Unable to Eat Lunch Math	Easy	25.0%
1667	Fix Names in a Table	Easy	25.0%
1716	Calculate Money in Leetcode Bank	Easy	25.0%
1717	Maximum Score From Removing Substrings StringTree	Medium	25.0%
1781	Sum of Beauty of All Substrings StringTree	Medium	25.0%
1776	Car Fleet II	Hard	25.0%
1844	Replace All Digits with Characters Math	Easy	25.0%
1851	Minimum Interval to Include Each Query	Hard	25.0%
1910	Remove All Occurrences of a Substring StringTree	Medium	25.0%
2633	Convert Object to JSON String String	Medium	25.0%
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance Math	Medium	25.0%
3234	Count the Number of Substrings With Dominant Ones StringTreeMath	Medium	25.0%
744	Find Smallest Letter Greater Than Target	Easy	25.0%
1731	The Number of Employees Which Report to Each Employee Math	Easy	25.0%
1653	Minimum Deletions to Make String Balanced String	Medium	25.0%
1475	Final Prices With a Special Discount in a Shop	Easy	25.0%
292	Nim Game	Easy	25.0%
885	Spiral Matrix III Array	Medium	25.0%
3228	Maximum Number of Operations to Move Ones to the End Math	Medium	25.0%
2703	Return Length of Arguments Passed	Easy	25.0%
2955	Number of Same-End Substrings StringTreeMath	Medium	25.0%
626	Exchange Seats	Medium	25.0%
3054	Binary Tree Nodes TreeLinked List	Medium	25.0%
877	Stone Game	Medium	25.0%
3026	Maximum Good Subarray Sum Array	Medium	25.0%
1721	Swapping Nodes in a Linked List Linked List	Medium	25.0%
1109	Corporate Flight Bookings	Medium	25.0%
2985	Calculate Compressed Mean	Easy	25.0%
304	Range Sum Query 2D - Immutable	Medium	25.0%
3287	Find the Maximum Sequence Value of Array Array	Hard	25.0%
1518	Water Bottles	Easy	25.0%
1903	Largest Odd Number in String StringMath	Easy	25.0%
2991	Top Three Wineries	Hard	25.0%
2987	Find Expensive Cities	Easy	25.0%
2989	Class Performance	Medium	25.0%
2990	Loan Types	Easy	25.0%
386	Lexicographical Numbers GraphMath	Medium	25.0%
440	K-th Smallest in Lexicographical Order Graph	Hard	25.0%
3043	Find the Length of the Longest Common Prefix DP	Medium	25.0%
177	Nth Highest Salary	Medium	25.0%
432	All O`one Data Structure	Hard	25.0%
3020	Find the Maximum Number of Elements in Subset Math	Medium	25.0%
3008	Find Beautiful Indices in the Given Array II Array	Hard	25.0%
585	Investments in 2016	Medium	25.0%
3028	Ant on the Boundary	Easy	25.0%
632	Smallest Range Covering Elements from K Lists	Hard	25.0%
1976	Number of Ways to Arrive at Destination Math	Medium	25.0%
3327	Check if DFS Strings Are Palindromes StringGraph	Hard	25.0%
1075	Project Employees I	Easy	25.0%
445	Add Two Numbers II Math	Medium	25.0%
860	Lemonade Change	Easy	25.0%
2127	Maximum Employees to Be Invited to a Meeting	Hard	25.0%
3350	Adjacent Increasing Subarrays Detection II Array	Medium	25.0%
3346	Maximum Frequency of an Element After Performing Operations I	Medium	25.0%
1049	Last Stone Weight II	Medium	25.0%
3347	Maximum Frequency of an Element After Performing Operations II	Hard	25.0%
3349	Adjacent Increasing Subarrays Detection I Array	Easy	25.0%
3351	Sum of Good Subsequences String	Hard	25.0%
3208	Alternating Groups II	Medium	25.0%
1633	Percentage of Users Attended a Contest	Easy	25.0%
1295	Find Numbers with Even Number of Digits Math	Easy	25.0%
1975	Maximum Matrix Sum Array	Medium	25.0%
3362	Zero Array Transformation III Array	Medium	25.0%
1683	Invalid Tweets	Easy	25.0%
2054	Two Best Non-Overlapping Events	Medium	25.0%
3380	Maximum Area Rectangle With Point Constraints I	Medium	25.0%
355	Design Twitter	Medium	25.0%
1200	Minimum Absolute Difference	Easy	25.0%
2094	Finding 3-Digit Even Numbers Math	Easy	25.0%
1304	Find N Unique Integers Sum up to Zero Math	Easy	25.0%
3404	Count Special Subsequences String	Medium	25.0%
2560	House Robber IV	Medium	25.0%
2381	Shifting Letters II	Medium	25.0%
3408	Design Task Manager	Medium	25.0%
3394	Check if Grid can be Cut into Sections	Medium	25.0%
3397	Maximum Number of Distinct Elements After Operations Math	Medium	25.0%
507	Perfect Number Math	Easy	25.0%
728	Self Dividing Numbers Math	Easy	25.0%
2161	Partition Array According to Given Pivot ArrayDP	Medium	25.0%
2657	Find the Prefix Common Array of Two Arrays Array	Medium	25.0%
3420	Count Non-Decreasing Subarrays After K Operations Array	Hard	25.0%
1353	Maximum Number of Events That Can Be Attended Math	Medium	25.0%
3151	Special Array I Array	Easy	25.0%
3439	Reschedule Meetings for Maximum Free Time I	Medium	25.0%
3440	Reschedule Meetings for Maximum Free Time II	Medium	25.0%
2364	Count Number of Bad Pairs Math	Medium	25.0%
1415	The k-th Lexicographical String of All Happy Strings of Length n StringGraph	Medium	25.0%
3454	Separate Squares II	Hard	25.0%
1749	Maximum Absolute Sum of Any Subarray Array	Medium	25.0%
594	Longest Harmonious Subsequence String	Easy	25.0%
1780	Check if Number is a Sum of Powers of Three Math	Medium	25.0%
3472	Longest Palindromic Subsequence After at Most K Operations String	Medium	25.0%
2594	Minimum Time to Repair Cars	Medium	25.0%
3494	Find the Minimum Amount of Time to Brew Potions	Medium	25.0%
3304	Find the K-th Character in String Game I String	Easy	25.0%
2140	Solving Questions With Brainpower Math	Medium	25.0%
132	Palindrome Partitioning II StringDP	Hard	25.0%
1534	Count Good Triplets	Easy	25.0%
3507	Minimum Pair Removal to Sort Array I Array	Easy	25.0%
674	Longest Continuous Increasing Subsequence String	Easy	25.0%
3250	Find the Count of Monotonic Pairs I Stack/Queue	Hard	25.0%
2040	Kth Smallest Product of Two Sorted Arrays Array	Hard	25.0%
3529	Count Cells in Overlapping Horizontal and Vertical Substrings StringTree	Medium	25.0%
1128	Number of Equivalent Domino Pairs Math	Easy	25.0%
3537	Fill a Special Grid	Medium	25.0%
1102	Path With Maximum Minimum Value	Medium	25.0%
183	Customers Who Never Order	Easy	25.0%
3574	Maximize Subarray GCD Score Array	Hard	25.0%
3592	Inverse Coin Change DP	Medium	25.0%
3597	Partition String StringDP	Medium	25.0%
811	Subdomain Visit Count	Medium	25.0%
1695	Maximum Erasure Value	Medium	25.0%
184	Department Highest Salary	Medium	25.0%
2574	Left and Right Sum Differences	Easy	25.0%
3477	Fruits Into Baskets II	Easy	25.0%
869	Reordered Power of 2 Math	Medium	25.0%
3686	Number of Stable Subsequences StringMath	Hard	25.0%
3650	Minimum Cost Path with Edge Reversals	Medium	25.0%
3738	Longest Non-Decreasing Subarray After Replacing at Most One Element Array	Medium	25.0%
3805	Count Caesar Cipher Pairs	Medium	25.0%
3010	Divide an Array Into Subarrays With Minimum Cost I Array	Easy	25.0%
3721	Longest Balanced Subarray II Array	Hard	25.0%
65	Valid Number Math	Hard	12.5%
89	Gray Code	Medium	12.5%
107	Binary Tree Level Order Traversal II Tree	Medium	12.5%
147	Insertion Sort List	Medium	12.5%
157	Read N Characters Given Read4	Easy	12.5%
185	Department Top Three Salaries	Hard	12.5%
201	Bitwise AND of Numbers Range Math	Medium	12.5%
256	Paint House	Medium	12.5%
277	Find the Celebrity	Medium	12.5%
301	Remove Invalid Parentheses Stack/Queue	Hard	12.5%
307	Range Sum Query - Mutable	Medium	12.5%
352	Data Stream as Disjoint Intervals	Hard	12.5%
384	Shuffle an Array Array	Medium	12.5%
404	Sum of Left Leaves	Easy	12.5%
419	Battleships in a Board	Medium	12.5%
436	Find Right Interval	Medium	12.5%
452	Minimum Number of Arrows to Burst Balloons Math	Medium	12.5%
454	4Sum II	Medium	12.5%
495	Teemo Attacking	Easy	12.5%
502	IPO	Hard	12.5%
515	Find Largest Value in Each Tree Row Tree	Medium	12.5%
529	Minesweeper	Medium	12.5%
554	Brick Wall	Medium	12.5%
556	Next Greater Element III	Medium	12.5%
557	Reverse Words in a String III String	Easy	12.5%
564	Find the Closest Palindrome String	Hard	12.5%
593	Valid Square	Medium	12.5%
608	Tree Node TreeLinked List	Medium	12.5%
609	Find Duplicate File in System	Medium	12.5%
629	K Inverse Pairs Array Array	Hard	12.5%
650	2 Keys Keyboard	Medium	12.5%
688	Knight Probability in Chessboard	Medium	12.5%
690	Employee Importance	Medium	12.5%
691	Stickers to Spell Word	Hard	12.5%
716	Max Stack Stack/Queue	Hard	12.5%
722	Remove Comments	Medium	12.5%
427	Construct Quad Tree Tree	Medium	12.5%
819	Most Common Word	Easy	12.5%
823	Binary Trees With Factors Tree	Medium	12.5%
829	Consecutive Numbers Sum Math	Hard	12.5%
871	Minimum Number of Refueling Stops Math	Hard	12.5%
872	Leaf-Similar Trees Tree	Easy	12.5%
897	Increasing Order Search Tree Tree	Easy	12.5%
940	Distinct Subsequences II String	Hard	12.5%
946	Validate Stack Sequences Stack/Queue	Medium	12.5%
958	Check Completeness of a Binary Tree Tree	Medium	12.5%
983	Minimum Cost For Tickets	Medium	12.5%
1005	Maximize Sum Of Array After K Negations Array	Easy	12.5%
1009	Complement of Base 10 Integer Math	Easy	12.5%
1062	Longest Repeating Substring StringTree	Medium	12.5%
1028	Recover a Tree From Preorder Traversal Tree	Hard	12.5%
1039	Minimum Score Triangulation of Polygon	Medium	12.5%
1074	Number of Submatrices That Sum to Target Math	Hard	12.5%
1117	Building H2O	Medium	12.5%
1291	Sequential Digits Math	Medium	12.5%
1130	Minimum Cost Tree From Leaf Values Tree	Medium	12.5%
1360	Number of Days Between Two Dates Math	Easy	12.5%
1425	Constrained Subsequence Sum String	Hard	12.5%
1550	Three Consecutive Odds	Easy	12.5%
1266	Minimum Time Visiting All Points	Easy	12.5%
1326	Minimum Number of Taps to Open to Water a Garden Math	Hard	12.5%
1359	Count All Valid Pickup and Delivery Options	Hard	12.5%
1337	The K Weakest Rows in a Matrix Array	Easy	12.5%
1347	Minimum Number of Steps to Make Two Strings Anagram StringMath	Medium	12.5%
1367	Linked List in Binary Tree TreeLinked List	Medium	12.5%
1397	Find All Good Strings String	Hard	12.5%
1410	HTML Entity Parser	Medium	12.5%
1456	Maximum Number of Vowels in a Substring of Given Length StringTreeMath	Medium	12.5%
1472	Design Browser History	Medium	12.5%
1489	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree Tree	Hard	12.5%
1496	Path Crossing	Easy	12.5%
1517	Find Users With Valid E-Mails	Easy	12.5%
1552	Magnetic Force Between Two Balls	Medium	12.5%
1610	Maximum Number of Visible Points Math	Hard	12.5%
1639	Number of Ways to Form a Target String Given a Dictionary StringMath	Hard	12.5%
1647	Minimum Deletions to Make Character Frequencies Unique	Medium	12.5%
1662	Check If Two String Arrays are Equivalent ArrayString	Easy	12.5%
1751	Maximum Number of Events That Can Be Attended II Math	Hard	12.5%
1759	Count Number of Homogenous Substrings StringTreeMath	Medium	12.5%
1814	Count Nice Pairs in an Array Array	Medium	12.5%
1802	Maximum Value at a Given Index in a Bounded Array Array	Medium	12.5%
1824	Minimum Sideway Jumps	Medium	12.5%
1820	Maximum Number of Accepted Invitations Math	Medium	12.5%
1948	Delete Duplicate Folders in System	Hard	12.5%
1979	Find Greatest Common Divisor of Array Array	Easy	12.5%
1980	Find Unique Binary String String	Medium	12.5%
1984	Minimum Difference Between Highest and Lowest of K Scores	Easy	12.5%
2006	Count Number of Pairs With Absolute Difference K Math	Easy	12.5%
2009	Minimum Number of Operations to Make Array Continuous ArrayMath	Hard	12.5%
2024	Maximize the Confusion of an Exam	Medium	12.5%
2016	Maximum Difference Between Increasing Elements	Easy	12.5%
2064	Minimized Maximum of Products Distributed to Any Store	Medium	12.5%
2116	Check if a Parentheses String Can Be Valid String	Medium	12.5%
2131	Longest Palindrome by Concatenating Two Letter Words String	Medium	12.5%
2258	Escape the Spreading Fire	Hard	12.5%
2265	Count Nodes Equal to Average of Subtree TreeLinked List	Medium	12.5%
2239	Find Closest Number to Zero Math	Easy	12.5%
2316	Count Unreachable Pairs of Nodes in an Undirected Graph GraphLinked List	Medium	12.5%
2369	Check if There is a Valid Partition For The Array ArrayDP	Medium	12.5%
2366	Minimum Replacements to Sort the Array Array	Hard	12.5%
2390	Removing Stars From a String String	Medium	12.5%
2404	Most Frequent Even Element	Easy	12.5%
2444	Count Subarrays With Fixed Bounds Array	Hard	12.5%
2448	Minimum Cost to Make Array Equal Array	Hard	12.5%
2467	Most Profitable Path in a Tree Tree	Medium	12.5%
2483	Minimum Penalty for a Shop	Medium	12.5%
2484	Count Palindromic Subsequences String	Hard	12.5%
2540	Minimum Common Value	Easy	12.5%
2582	Pass the Pillow	Easy	12.5%
2589	Minimum Time to Complete All Tasks	Hard	12.5%
2597	The Number of Beautiful Subsets Math	Medium	12.5%
2610	Convert an Array Into a 2D Array With Conditions Array	Medium	12.5%
2645	Minimum Additions to Make Valid String String	Medium	12.5%
2707	Extra Characters in a String String	Medium	12.5%
2626	Array Reduce Transformation Array	Easy	12.5%
2723	Add Two Promises	Easy	12.5%
2843	Count Symmetric Integers Math	Easy	12.5%
2878	Get the Size of a DataFrame	Easy	12.5%
2958	Length of Longest Subarray With at Most K Frequency Array	Medium	12.5%
3128	Right Triangles	Medium	12.5%
2058	Find the Minimum and Maximum Number of Nodes Between Critical Points Linked ListMath	Medium	12.5%
2073	Time Needed to Buy Tickets	Easy	12.5%
165	Compare Version Numbers Math	Medium	12.5%
2096	Step-By-Step Directions From a Binary Tree Node to Another TreeLinked List	Medium	12.5%
2130	Maximum Twin Sum of a Linked List Linked List	Medium	12.5%
2141	Maximum Running Time of N Computers	Hard	12.5%
220	Contains Duplicate III	Hard	12.5%
223	Rectangle Area	Medium	12.5%
260	Single Number III Math	Medium	12.5%
264	Ugly Number II Math	Medium	12.5%
2259	Remove Digit From Number to Maximize Result Math	Easy	12.5%
2264	Largest 3-Same-Digit Number in String StringMath	Easy	12.5%
2276	Count Integers in Intervals Math	Hard	12.5%
2352	Equal Row and Column Pairs	Medium	12.5%
2353	Design a Food Rating System	Medium	12.5%
390	Elimination Game	Medium	12.5%
2360	Longest Cycle in a Graph GraphLinked List	Hard	12.5%
2367	Number of Arithmetic Triplets Math	Easy	12.5%
405	Convert a Number to Hexadecimal Math	Easy	12.5%
413	Arithmetic Slices	Medium	12.5%
2385	Amount of Time for Binary Tree to Be Infected Tree	Medium	12.5%
420	Strong Password Checker	Hard	12.5%
2396	Strictly Palindromic Number Math	Medium	12.5%
2405	Optimal Partition of String StringDP	Medium	12.5%
446	Arithmetic Slices II - Subsequence String	Hard	12.5%
2356	Number of Unique Subjects Taught by Each Teacher Math	Easy	12.5%
458	Poor Pigs	Hard	12.5%
2427	Number of Common Factors Math	Easy	12.5%
2441	Largest Positive Integer That Exists With Its Negative Math	Easy	12.5%
2423	Remove Letter To Equalize Frequency	Easy	12.5%
500	Keyboard Row	Easy	12.5%
504	Base 7	Easy	12.5%
513	Find Bottom Left Tree Value Tree	Medium	12.5%
2486	Append Characters to String to Make Subsequence String	Medium	12.5%
532	K-diff Pairs in an Array Array	Medium	12.5%
561	Array Partition ArrayDP	Easy	12.5%
2520	Count the Digits That Divide a Number Math	Easy	12.5%
588	Design In-Memory File System	Hard	12.5%
2542	Maximum Subsequence Score String	Medium	12.5%
611	Valid Triangle Number Math	Medium	12.5%
617	Merge Two Binary Trees Tree	Easy	12.5%
623	Add One Row to Tree Tree	Medium	12.5%
646	Maximum Length of Pair Chain	Medium	12.5%
648	Replace Words	Medium	12.5%
655	Print Binary Tree Tree	Medium	12.5%
664	Strange Printer	Hard	12.5%
2629	Function Composition	Easy	12.5%
2618	Check if Object Instance of Class	Medium	12.5%
718	Maximum Length of Repeated Subarray Array	Medium	12.5%
2700	Differences Between Two Objects	Medium	12.5%
740	Delete and Earn	Medium	12.5%
741	Cherry Pickup	Hard	12.5%
2665	Counter II	Easy	12.5%
2666	Allow One Function Call	Easy	12.5%
752	Open the Lock	Medium	12.5%
2742	Painting the Walls	Hard	12.5%
429	N-ary Tree Level Order Traversal Tree	Medium	12.5%
428	Serialize and Deserialize N-ary Tree Tree	Hard	12.5%
2751	Robot Collisions	Hard	12.5%
705	Design HashSet	Easy	12.5%
706	Design HashMap	Easy	12.5%
2816	Double a Number Represented as a Linked List Linked ListMath	Medium	12.5%
806	Number of Lines To Write String StringMath	Easy	12.5%
807	Max Increase to Keep City Skyline	Medium	12.5%
2785	Sort Vowels in a String String	Medium	12.5%
826	Most Profit Assigning Work	Medium	12.5%
2824	Count Pairs Whose Sum is Less than Target	Easy	12.5%
850	Rectangle Area II	Hard	12.5%
861	Score After Flipping Matrix Array	Medium	12.5%
470	Implement Rand10() Using Rand7()	Medium	12.5%
878	Nth Magical Number Math	Hard	12.5%
886	Possible Bipartition DP	Medium	12.5%
888	Fair Candy Swap	Easy	12.5%
922	Sort Array By Parity II Array	Easy	12.5%
925	Long Pressed Name	Easy	12.5%
943	Find the Shortest Superstring String	Hard	12.5%
945	Minimum Increment to Make Array Unique Array	Medium	12.5%
953	Verifying an Alien Dictionary	Easy	12.5%
968	Binary Tree Cameras Tree	Hard	12.5%
990	Satisfiability of Equality Equations	Medium	12.5%
995	Minimum Number of K Consecutive Bit Flips Math	Hard	12.5%
1002	Find Common Characters	Easy	12.5%
1166	Design File System	Medium	12.5%
1051	Height Checker	Easy	12.5%
1070	Product Sales Analysis III	Medium	12.5%
1122	Relative Sort Array Array	Easy	12.5%
3068	Find the Maximum Sum of Node Values Linked List	Hard	12.5%
1155	Number of Dice Rolls With Target Sum Math	Medium	12.5%
1171	Remove Zero Sum Consecutive Nodes from Linked List Linked List	Medium	12.5%
1361	Validate Binary Tree Nodes TreeLinked List	Medium	12.5%
1382	Balance a Binary Search Tree TreeBinary Search	Medium	12.5%
1204	Last Person to Fit in the Bus	Medium	12.5%
1250	Check If It Is a Good Array Array	Hard	12.5%
1255	Maximum Score Words Formed by Letters	Hard	12.5%
3211	Generate Binary Strings Without Adjacent Zeros String	Medium	12.5%
1281	Subtract the Product and Sum of Digits of an Integer Math	Easy	12.5%
3193	Count the Number of Inversions Math	Hard	12.5%
1307	Verbal Arithmetic Puzzle	Hard	12.5%
1319	Number of Operations to Make Network Connected GraphMath	Medium	12.5%
1325	Delete Leaves With a Given Value	Medium	12.5%
1373	Maximum Sum BST in Binary Tree Tree	Hard	12.5%
1383	Maximum Performance of a Team	Hard	12.5%
1404	Number of Steps to Reduce a Number in Binary Representation to One Math	Medium	12.5%
1448	Count Good Nodes in Binary Tree TreeLinked List	Medium	12.5%
1442	Count Triplets That Can Form Two Arrays of Equal XOR Array	Medium	12.5%
1476	Subrectangle Queries	Medium	12.5%
1481	Least Number of Unique Integers after K Removals Math	Medium	12.5%
1497	Check If Array Pairs Are Divisible by k Array	Medium	12.5%
1572	Matrix Diagonal Sum Array	Easy	12.5%
1579	Remove Max Number of Edges to Keep Graph Fully Traversable GraphMath	Hard	12.5%
1587	Bank Account Summary II	Easy	12.5%
1614	Maximum Nesting Depth of the Parentheses	Easy	12.5%
1636	Sort Array by Increasing Frequency Array	Easy	12.5%
1637	Widest Vertical Area Between Two Points Containing No Points	Easy	12.5%
1657	Determine if Two Strings Are Close String	Medium	12.5%
1696	Jump Game VI	Medium	12.5%
1789	Primary Department for Each Employee	Easy	12.5%
1823	Find the Winner of the Circular Game	Medium	12.5%
1845	Seat Reservation Manager	Medium	12.5%
1832	Check if the Sentence Is Pangram	Easy	12.5%
1859	Sorting the Sentence	Easy	12.5%
1854	Maximum Population Year	Easy	12.5%
1863	Sum of All Subset XOR Totals	Easy	12.5%
1884	Egg Drop With 2 Eggs and N Floors	Medium	12.5%
1926	Nearest Exit from Entrance in Maze	Medium	12.5%
993	Cousins in Binary Tree Tree	Easy	12.5%
709	To Lower Case	Easy	12.5%
1763	Longest Nice Substring StringTree	Easy	12.5%
2976	Minimum Cost to Convert String I String	Medium	12.5%
3235	Check if the Rectangle Corner Is Reachable	Hard	12.5%
1395	Count Number of Teams Math	Medium	12.5%
2045	Second Minimum Time to Reach Destination	Hard	12.5%
641	Design Circular Deque	Medium	12.5%
1420	Build Array Where You Can Find The Maximum Exactly K Comparisons Array	Hard	12.5%
2678	Number of Senior Citizens Math	Easy	12.5%
2134	Minimum Swaps to Group All 1's Together II	Medium	12.5%
3206	Alternating Groups I	Easy	12.5%
2864	Maximum Odd Binary Number Math	Easy	12.5%
2053	Kth Distinct String in an Array ArrayString	Easy	12.5%
745	Prefix and Suffix Search	Hard	12.5%
171	Excel Sheet Column Number Math	Easy	12.5%
2220	Minimum Bit Flips to Convert Number Math	Easy	12.5%
1568	Minimum Number of Days to Disconnect Island GraphMath	Hard	12.5%
1729	Find Followers Count	Easy	12.5%
1299	Replace Elements with Greatest Element on Right Side	Easy	12.5%
453	Minimum Moves to Equal Array Elements Array	Medium	12.5%
1209	Remove All Adjacent Duplicates in String II String	Medium	12.5%
624	Maximum Distance in Arrays Array	Medium	12.5%
3229	Minimum Operations to Make Array Equal to Target Array	Hard	12.5%
462	Minimum Moves to Equal Array Elements II Array	Medium	12.5%
306	Additive Number Math	Medium	12.5%
3260	Find the Largest Palindrome Divisible by K String	Hard	12.5%
1045	Customers Who Bought All Products	Medium	12.5%
1140	Stone Game II	Medium	12.5%
1247	Minimum Swaps to Make Strings Equal String	Medium	12.5%
754	Reach a Number Math	Medium	12.5%
770	Basic Calculator IV	Hard	12.5%
592	Fraction Addition and Subtraction	Medium	12.5%
476	Number Complement Math	Easy	12.5%
3005	Count Elements With Maximum Frequency	Easy	12.5%
586	Customer Placing the Largest Number of Orders Math	Easy	12.5%
649	Dota2 Senate	Medium	12.5%
590	N-ary Tree Postorder Traversal Tree	Easy	12.5%
589	N-ary Tree Preorder Traversal Tree	Easy	12.5%
1905	Count Sub Islands Graph	Medium	12.5%
2699	Modify Graph Edge Weights Graph	Hard	12.5%
725	Split Linked List in Parts Linked List	Medium	12.5%
3277	Maximum XOR Score Subarray Queries Array	Hard	12.5%
1894	Find the Student that Will Replace the Chalk	Medium	12.5%
2027	Minimum Moves to Convert String String	Easy	12.5%
1945	Sum of Digits of String After Convert StringMath	Easy	12.5%
3190	Find Minimum Operations to Make All Elements Divisible by Three	Easy	12.5%
2028	Find Missing Observations	Medium	12.5%
2418	Sort the People	Easy	12.5%
117	Populating Next Right Pointers in Each Node II Linked List	Medium	12.5%
2326	Spiral Matrix IV Array	Medium	12.5%
3282	Reach End of Array With Max Score Array	Medium	12.5%
2807	Insert Greatest Common Divisors in Linked List Linked List	Medium	12.5%
1684	Count the Number of Consistent Strings StringMath	Easy	12.5%
694	Number of Distinct Islands GraphMath	Medium	12.5%
1310	XOR Queries of a Subarray Array	Medium	12.5%
3120	Count the Number of Special Characters I 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%
884	Uncommon Words from Two Sentences	Easy	12.5%
1743	Restore the Array From Adjacent Pairs Array	Medium	12.5%
2487	Remove Nodes From Linked List Linked List	Medium	12.5%
2000	Reverse Prefix of Word	Easy	12.5%
3275	K-th Nearest Obstacle Queries Tree	Medium	12.5%
2493	Divide Nodes Into the Maximum Number of Groups Linked ListMath	Hard	12.5%
763	Partition Labels DP	Medium	12.5%
517	Super Washing Machines	Hard	12.5%
1275	Find Winner on a Tic Tac Toe Game	Easy	12.5%
433	Minimum Genetic Mutation	Medium	12.5%
1484	Group Sold Products By The Date	Easy	12.5%
3147	Taking Maximum Energy From the Mystic Dungeon	Medium	12.5%
1010	Pairs of Songs With Total Durations Divisible by 60	Medium	12.5%
3286	Find a Safe Walk Through a Grid	Medium	12.5%
2521	Distinct Prime Factors of Product of Array ArrayMath	Medium	12.5%
1691	Maximum Height by Stacking Cuboids Stack/Queue	Hard	12.5%
2800	Shortest String That Contains Three Strings String	Medium	12.5%
1186	Maximum Subarray Sum with One Deletion Array	Medium	12.5%
1590	Make Sum Divisible by P	Medium	12.5%
3165	Maximum Sum of Subsequence With Non-adjacent Elements String	Hard	12.5%
2336	Smallest Number in Infinite Set Math	Medium	12.5%
810	Chalkboard XOR Game	Hard	12.5%
3312	Sorted GCD Pair Queries	Hard	12.5%
2577	Minimum Time to Visit a Cell In a Grid	Hard	12.5%
2696	Minimum String Length After Removing Substrings StringTree	Easy	12.5%
1963	Minimum Number of Swaps to Make the String Balanced StringMath	Medium	12.5%
3248	Snake in Matrix Array	Easy	12.5%
856	Score of Parentheses	Medium	12.5%
883	Projection Area of 3D Shapes	Easy	12.5%
1942	The Number of the Smallest Unoccupied Chair Math	Medium	12.5%
2406	Divide Intervals Into Minimum Number of Groups Math	Medium	12.5%
1348	Tweet Counts Per Frequency	Medium	12.5%
546	Remove Boxes	Hard	12.5%
2530	Maximal Score After Applying K Operations	Medium	12.5%
2263	Make Array Non-decreasing or Non-increasing Array	Hard	12.5%
1229	Meeting Scheduler	Medium	12.5%
2938	Separate Black and White Balls	Medium	12.5%
1203	Sort Items by Groups Respecting Dependencies	Hard	12.5%
1405	Longest Happy String String	Medium	12.5%
3283	Maximum Number of Moves to Kill All Pawns Math	Hard	12.5%
3319	K-th Largest Perfect Subtree Size in Binary Tree Tree	Medium	12.5%
1545	Find Kth Bit in Nth Binary String String	Medium	12.5%
2044	Count Number of Maximum Bitwise-OR Subsets Math	Medium	12.5%
1356	Sort Integers by The Number of 1 Bits Math	Easy	12.5%
1029	Two City Scheduling	Medium	12.5%
2641	Cousins in Binary Tree II Tree	Medium	12.5%
1531	String Compression II String	Hard	12.5%
3326	Minimum Division Operations to Make Array Non Decreasing Array	Medium	12.5%
2501	Longest Square Streak in an Array Array	Medium	12.5%
1389	Create Target Array in the Given Order Array	Easy	12.5%
1671	Minimum Number of Removals to Make Mountain Array ArrayMath	Hard	12.5%
296	Best Meeting Point	Hard	12.5%
2684	Maximum Number of Moves in a Grid Math	Medium	12.5%
3337	Total Characters in String After Transformations II String	Hard	12.5%
2463	Minimum Total Distance Traveled	Hard	12.5%
3341	Find Minimum Time to Reach Last Room I	Medium	12.5%
3163	String Compression III String	Medium	12.5%
3325	Count Substrings With K-Frequency Characters I StringTree	Medium	12.5%
164	Maximum Gap	Medium	12.5%
2914	Minimum Number of Changes to Make Binary String Beautiful StringMath	Medium	12.5%
1886	Determine Whether Matrix Can Be Obtained By Rotation Array	Easy	12.5%
3011	Find if Array Can Be Sorted Array	Medium	12.5%
2210	Count Hills and Valleys in an Array Array	Easy	12.5%
1957	Delete Characters to Make Fancy String String	Easy	12.5%
2275	Largest Combination With Bitwise AND Greater Than Zero	Medium	12.5%
3224	Minimum Array Changes to Make Differences Equal Array	Medium	12.5%
2413	Smallest Even Multiple	Easy	12.5%
1570	Dot Product of Two Sparse Vectors	Medium	12.5%
3133	Minimum Array End Array	Medium	12.5%
325	Maximum Size Subarray Sum Equals k Array	Medium	12.5%
2571	Minimum Operations to Reduce an Integer to 0 Math	Medium	12.5%
3097	Shortest Subarray With OR at Least K II Array	Medium	12.5%
2583	Kth Largest Sum in a Binary Tree TreeHeap	Medium	12.5%
2070	Most Beautiful Item for Each Query	Medium	12.5%
1650	Lowest Common Ancestor of a Binary Tree III Tree	Medium	12.5%
1185	Day of the Week	Easy	12.5%
3254	Find the Power of K-Size Subarrays I ArrayMath	Medium	12.5%
364	Nested List Weight Sum II	Medium	12.5%
1652	Defuse the Bomb	Easy	12.5%
2516	Take K of Each Character From Left and Right	Medium	12.5%
1072	Flip Columns For Maximum Number of Equal Rows Math	Medium	12.5%
2257	Count Unguarded Cells in the Grid	Medium	12.5%
1019	Next Greater Node In Linked List Linked List	Medium	12.5%
866	Prime Palindrome StringMath	Medium	12.5%
1861	Rotating the Box	Medium	12.5%
628	Maximum Product of Three Numbers Math	Easy	12.5%
773	Sliding Puzzle	Hard	12.5%
3243	Shortest Distance After Road Addition Queries I	Medium	12.5%
1991	Find the Middle Index in Array Array	Easy	12.5%
423	Reconstruct Original Digits from English Math	Medium	12.5%
821	Shortest Distance to a Character	Easy	12.5%
3371	Identify the Largest Outlier in an Array Array	Medium	12.5%
2109	Adding Spaces to a String String	Medium	12.5%
1455	Check If a Word Occurs As a Prefix of Any Word in a Sentence	Easy	12.5%
1413	Minimum Value to Get Positive Step by Step Sum	Easy	12.5%
216	Combination Sum III	Medium	12.5%
1038	Binary Search Tree to Greater Sum Tree TreeBinary Search	Medium	12.5%
898	Bitwise ORs of Subarrays Array	Medium	12.5%
1760	Minimum Limit of Balls in a Bag	Medium	12.5%
1202	Smallest String With Swaps String	Medium	12.5%
311	Sparse Matrix Multiplication Array	Medium	12.5%
2558	Take Gifts From the Richest Pile	Easy	12.5%
2886	Change Data Type	Easy	12.5%
2724	Sort By	Easy	12.5%
2593	Find Score of an Array After Marking All Elements Array	Medium	12.5%
1792	Maximum Average Pass Ratio	Medium	12.5%
2497	Maximum Star Sum of a Graph Graph	Medium	12.5%
1704	Determine if String Halves Are Alike String	Easy	12.5%
3316	Find Maximum Removals From Source String String	Medium	12.5%
2182	Construct String With Repeat Limit String	Medium	12.5%
596	Classes With at Least 5 Students	Easy	12.5%
2415	Reverse Odd Levels of Binary Tree Tree	Medium	12.5%
3309	Maximum Possible Number by Binary Concatenation Math	Medium	12.5%
2940	Find Building Where Alice and Bob Can Meet	Hard	12.5%
2221	Find Triangular Sum of an Array Array	Medium	12.5%
2471	Minimum Number of Operations to Sort a Binary Tree by Level TreeMath	Medium	12.5%
3203	Find Minimum Diameter After Merging Two Trees Tree	Hard	12.5%
192	Word Frequency	Medium	12.5%
1312	Minimum Insertion Steps to Make a String Palindrome String	Hard	12.5%
3270	Find the Key of the Numbers Math	Easy	12.5%
434	Number of Segments in a String StringMath	Easy	12.5%
2469	Convert the Temperature	Easy	12.5%
2466	Count Ways To Build Good Strings String	Medium	12.5%
2270	Number of Ways to Split Array ArrayMath	Medium	12.5%
1559	Detect Cycles in 2D Grid GraphLinked List	Medium	12.5%
1712	Ways to Split Array Into Three Subarrays Array	Medium	12.5%
1791	Find Center of Star Graph Graph	Easy	12.5%
3387	Maximize Amount After Two Days of Conversions	Medium	12.5%
3413	Maximum Coins From K Consecutive Bags	Medium	12.5%
3410	Maximize Subarray Sum After Removing All Occurrences of One Element Array	Hard	12.5%
1034	Coloring A Border	Medium	12.5%
1252	Cells with Odd Values in a Matrix Array	Easy	12.5%
1154	Day of the Year	Easy	12.5%
1408	String Matching in an Array ArrayString	Easy	12.5%
3042	Count Prefix and Suffix Pairs I	Easy	12.5%
2537	Count the Number of Good Subarrays ArrayMath	Medium	12.5%
2643	Row With Maximum Ones	Easy	12.5%
1400	Construct K Palindrome Strings String	Medium	12.5%
3419	Minimize the Maximum Edge Weight of Graph Graph	Medium	12.5%
538	Convert BST to Greater Tree Tree	Medium	12.5%
2429	Minimize XOR	Medium	12.5%
2425	Bitwise XOR of All Pairings	Medium	12.5%
2683	Neighboring Bitwise XOR	Medium	12.5%
1152	Analyze User Website Visit Pattern	Medium	12.5%
372	Super Pow Math	Medium	12.5%
3426	Manhattan Distances of All Arrangements of Pieces	Hard	12.5%
2661	First Completely Painted Row or Column	Medium	12.5%
2815	Max Pair Sum in an Array Array	Easy	12.5%
2017	Grid Game	Medium	12.5%
1773	Count Items Matching a Rule	Easy	12.5%
2181	Merge Nodes in Between Zeros Linked List	Medium	12.5%
250	Count Univalue Subtrees Tree	Medium	12.5%
2948	Make Lexicographically Smallest Array by Swapping Elements ArrayGraph	Medium	12.5%
1156	Swap For Longest Repeated Character Substring StringTree	Medium	12.5%
637	Average of Levels in Binary Tree Tree	Easy	12.5%
1385	Find the Distance Value Between Two Arrays Array	Easy	12.5%
1462	Course Schedule IV	Medium	12.5%
1035	Uncrossed Lines	Medium	12.5%
2845	Count of Interesting Subarrays Array	Medium	12.5%
2658	Maximum Number of Fish in a Grid Math	Medium	12.5%
2100	Find Good Days to Rob the Bank	Medium	12.5%
3434	Maximum Frequency After Subarray Operation Array	Medium	12.5%
3409	Longest Subsequence With Decreasing Adjacent Difference String	Medium	12.5%
3105	Longest Strictly Increasing or Strictly Decreasing Subarray Array	Easy	12.5%
1464	Maximum Product of Two Elements in an Array Array	Easy	12.5%
1800	Maximum Ascending Subarray Sum Array	Easy	12.5%
1790	Check if One String Swap Can Make Strings Equal String	Easy	12.5%
3160	Find the Number of Distinct Colors Among the Balls Math	Medium	12.5%
3389	Minimum Operations to Make Character Frequencies Equal	Hard	12.5%
3258	Count Substrings That Satisfy K-Constraint I StringTree	Easy	12.5%
1827	Minimum Operations to Make the Array Increasing Array	Easy	12.5%
697	Degree of an Array Array	Easy	12.5%
2342	Max Sum of a Pair With Equal Sum of Digits Math	Medium	12.5%
2187	Minimum Time to Complete Trips	Medium	12.5%
3280	Convert Date to Binary	Easy	12.5%
1855	Maximum Distance Between a Pair of Values	Medium	12.5%
1340	Jump Game V	Hard	12.5%
3066	Minimum Operations to Exceed Threshold Value II	Medium	12.5%
619	Biggest Single Number Math	Easy	12.5%
842	Split Array into Fibonacci Sequence ArrayDP	Medium	12.5%
1718	Construct the Lexicographically Largest Valid Sequence Graph	Medium	12.5%
1678	Goal Parser Interpretation	Easy	12.5%
3186	Maximum Total Damage With Spell Casting	Medium	12.5%
965	Univalued Binary Tree Tree	Easy	12.5%
2375	Construct Smallest Number From DI String StringMath	Medium	12.5%
2880	Select Data	Easy	12.5%
1221	Split a String in Balanced Strings String	Easy	12.5%
1748	Sum of Unique Elements	Easy	12.5%
2974	Minimum Number Game Math	Easy	12.5%
3459	Length of Longest V-Shaped Diagonal Segment	Hard	12.5%
1574	Shortest Subarray to be Removed to Make Array Sorted Array	Medium	12.5%
2596	Check Knight Tour Configuration	Medium	12.5%
2879	Display the First Three Rows	Easy	12.5%
1524	Number of Sub-arrays With Odd Sum ArrayMath	Medium	12.5%
696	Count Binary Substrings StringTree	Easy	12.5%
461	Hamming Distance	Easy	12.5%
2078	Two Furthest Houses With Different Colors	Easy	12.5%
1341	Movie Rating	Medium	12.5%
2615	Sum of Distances	Medium	12.5%
1856	Maximum Subarray Min-Product Array	Medium	12.5%
873	Length of Longest Fibonacci Subsequence StringDP	Medium	12.5%
339	Nested List Weight Sum	Medium	12.5%
631	Design Excel Sum Formula	Hard	12.5%
2492	Minimum Score of a Path Between Two Cities	Medium	12.5%
2894	Divisible and Non-divisible Sums Difference	Easy	12.5%
2460	Apply Operations to an Array Array	Easy	12.5%
1941	Check if All Characters Have Equal Number of Occurrences Math	Easy	12.5%
3158	Find the XOR of Numbers Which Appear Twice Math	Easy	12.5%
711	Number of Distinct Islands II GraphMath	Hard	12.5%
2579	Count Total Number of Colored Cells Math	Medium	12.5%
3285	Find Indices of Stable Mountains	Easy	12.5%
2888	Reshape Data: Concatenate	Easy	12.5%
2523	Closest Prime Numbers in Range Math	Medium	12.5%
2335	Minimum Amount of Time to Fill Cups	Easy	12.5%
2379	Minimum Recolors to Get K Consecutive Black Blocks	Easy	12.5%
3468	Find the Number of Copy Arrays ArrayMath	Medium	12.5%
1911	Maximum Alternating Subsequence Sum String	Medium	12.5%
736	Parse Lisp Expression	Hard	12.5%
2262	Total Appeal of A String String	Hard	12.5%
381	Insert Delete GetRandom O(1) - Duplicates allowed	Hard	12.5%
2771	Longest Non-decreasing Subarray From Two Arrays Array	Medium	12.5%
1541	Minimum Insertions to Balance a Parentheses String String	Medium	12.5%
2559	Count Vowel Strings in Ranges String	Medium	12.5%
2043	Simple Bank System	Medium	12.5%
2477	Minimum Fuel Cost to Report to the Capital	Medium	12.5%
3271	Hash Divided String String	Medium	12.5%
2206	Divide Array Into Equal Pairs Array	Easy	12.5%
3191	Minimum Operations to Make Binary Array Elements Equal to One I Array	Medium	12.5%
2648	Generate Fibonacci Sequence DP	Easy	12.5%
3398	Smallest Substring With Identical Characters I StringTree	Hard	12.5%
3108	Minimum Cost Walk in Weighted Graph Graph	Hard	12.5%
2685	Count the Number of Complete Components Math	Medium	12.5%
1669	Merge In Between Linked Lists Linked List	Medium	12.5%
2119	A Number After a Double Reversal Math	Easy	12.5%
1668	Maximum Repeating Substring StringTree	Easy	12.5%
2578	Split With Minimum Sum	Easy	12.5%
761	Special Binary String String	Hard	12.5%
2033	Minimum Operations to Make a Uni-Value Grid	Medium	12.5%
3185	Count Pairs That Form a Complete Day II	Medium	12.5%
2731	Movement of Robots	Medium	12.5%
1407	Top Travellers	Easy	12.5%
1873	Calculate Special Bonus	Easy	12.5%
2780	Minimum Index of a Valid Split	Medium	12.5%
749	Contain Virus	Hard	12.5%
3303	Find the Occurrence of First Almost Equal Substring StringTree	Hard	12.5%
2503	Maximum Number of Points From Grid Queries Math	Hard	12.5%
1710	Maximum Units on a Truck	Easy	12.5%
3149	Find the Minimum Cost Array Permutation Array	Hard	12.5%
967	Numbers With Same Consecutive Differences Math	Medium	12.5%
2818	Apply Operations to Maximize Score	Hard	12.5%
2575	Find the Divisibility Array of a String ArrayString	Medium	12.5%
3240	Minimum Number of Flips to Make Binary Grid Palindromic II Math	Medium	12.5%
2572	Count the Number of Square-Free Subsets Math	Medium	12.5%
2481	Minimum Cuts to Divide a Circle	Easy	12.5%
2069	Walking Robot Simulation II	Medium	12.5%
1952	Three Divisors	Easy	12.5%
2551	Put Marbles in Bags	Hard	12.5%
2873	Maximum Value of an Ordered Triplet I	Easy	12.5%
195	Tenth Line	Easy	12.5%
2573	Find the String with LCP String	Hard	12.5%
3489	Zero Array Transformation IV Array	Medium	12.5%
2727	Is Object Empty	Easy	12.5%
2634	Filter Elements from Array Array	Easy	12.5%
2874	Maximum Value of an Ordered Triplet II	Medium	12.5%
1123	Lowest Common Ancestor of Deepest Leaves	Medium	12.5%
858	Mirror Reflection	Medium	12.5%
449	Serialize and Deserialize BST Tree	Medium	12.5%
848	Shifting Letters	Medium	12.5%
3396	Minimum Number of Operations to Make Elements in Array Distinct ArrayMath	Easy	12.5%
2227	Encrypt and Decrypt Strings String	Hard	12.5%
3375	Minimum Operations to Make Array Values Equal to K Array	Easy	12.5%
2999	Count the Number of Powerful Integers Math	Hard	12.5%
3264	Final Array State After K Multiplication Operations I Array	Easy	12.5%
3272	Find the Count of Good Integers Math	Hard	12.5%
285	Inorder Successor in BST Tree	Medium	12.5%
2319	Check if Matrix Is X-Matrix Array	Easy	12.5%
2179	Count Good Triplets in an Array Array	Hard	12.5%
2277	Closest Node to Path in Tree TreeLinked List	Hard	12.5%
2138	Divide a String Into Groups of Size k String	Easy	12.5%
1179	Reformat Department Table	Easy	12.5%
2176	Count Equal and Divisible Pairs in an Array Array	Easy	12.5%
2787	Ways to Express an Integer as Sum of Powers Math	Medium	12.5%
1882	Process Tasks Using Servers	Medium	12.5%
1527	Patients With a Condition	Easy	12.5%
3486	Longest Special Path II	Hard	12.5%
3523	Make Array Non-decreasing Array	Medium	12.5%
2062	Count Vowel Substrings of a String StringTree	Easy	12.5%
2145	Count the Hidden Sequences	Medium	12.5%
924	Minimize Malware Spread	Hard	12.5%
2338	Count the Number of Ideal Arrays ArrayMath	Hard	12.5%
791	Custom Sort String String	Medium	12.5%
2799	Count Complete Subarrays in an Array Array	Medium	12.5%
1399	Count Largest Group	Easy	12.5%
1762	Buildings With an Ocean View	Medium	12.5%
3424	Minimum Cost to Make Arrays Identical Array	Medium	12.5%
3370	Smallest Number With All Set Bits Math	Easy	12.5%
3392	Count Subarrays of Length Three With a Condition Array	Easy	12.5%
2614	Prime In Diagonal Math	Easy	12.5%
999	Available Captures for Rook	Easy	12.5%
1060	Missing Element in Sorted Array Array	Medium	12.5%
2781	Length of the Longest Valid Substring StringTree	Hard	12.5%
2962	Count Subarrays Where Max Element Appears at Least K Times Array	Medium	12.5%
2071	Maximum Number of Tasks You Can Assign Math	Hard	12.5%
1537	Get the Maximum Score	Hard	12.5%
492	Construct the Rectangle	Easy	12.5%
3538	Merge Operations for Minimum Travel Time	Hard	12.5%
3342	Find Minimum Time to Reach Last Room II	Medium	12.5%
1690	Stone Game VII	Medium	12.5%
3343	Count Number of Balanced Permutations Math	Hard	12.5%
2918	Minimum Equal Sum of Two Arrays After Replacing Zeros Array	Medium	12.5%
2850	Minimum Moves to Spread Stones Over Grid	Medium	12.5%
3381	Maximum Subarray Sum With Length Divisible by K Array	Medium	12.5%
3541	Find Most Frequent Vowel and Consonant	Easy	12.5%
3335	Total Characters in String After Transformations I String	Medium	12.5%
797	All Paths From Source to Target	Medium	12.5%
1242	Web Crawler Multithreaded	Medium	12.5%
795	Number of Subarrays with Bounded Maximum ArrayMath	Medium	12.5%
510	Inorder Successor in BST II Tree	Medium	12.5%
3551	Minimum Swaps to Sort by Digit Sum Math	Medium	12.5%
1992	Find All Groups of Farmland	Medium	12.5%
1041	Robot Bounded In Circle	Medium	12.5%
1374	Generate a String With Characters That Have Odd Counts String	Easy	12.5%
464	Can I Win	Medium	12.5%
976	Largest Perimeter Triangle	Easy	12.5%
2942	Find Words Containing Character	Easy	12.5%
3536	Maximum Product of Two Digits Math	Easy	12.5%
2500	Delete Greatest Value in Each Row	Easy	12.5%
1396	Design Underground System	Medium	12.5%
1890	The Latest Login in 2020	Easy	12.5%
3372	Maximize the Number of Target Nodes After Connecting Trees I TreeLinked ListMath	Medium	12.5%
984	String Without AAA or BBB String	Medium	12.5%
972	Equal Rational Numbers Math	Hard	12.5%
3373	Maximize the Number of Target Nodes After Connecting Trees II TreeLinked ListMath	Hard	12.5%
1563	Stone Game V	Hard	12.5%
2359	Find Closest Node to Given Two Nodes Linked List	Medium	12.5%
2929	Distribute Candies Among Children II	Medium	12.5%
1523	Count Odd Numbers in an Interval Range Math	Easy	12.5%
1298	Maximum Candies You Can Get from Boxes	Hard	12.5%
3361	Shift Distance Between Two Strings String	Medium	12.5%
1061	Lexicographically Smallest Equivalent String StringGraph	Medium	12.5%
3403	Find the Lexicographically Largest String From the Box I StringGraph	Medium	12.5%
1239	Maximum Length of a Concatenated String with Unique Characters String	Medium	12.5%
923	3Sum With Multiplicity	Medium	12.5%
3452	Sum of Good Numbers Math	Easy	12.5%
3170	Lexicographically Minimum String After Removing Stars StringGraph	Medium	12.5%
720	Longest Word in Dictionary	Medium	12.5%
2169	Count Operations to Obtain Zero	Easy	12.5%
396	Rotate Function	Medium	12.5%
3445	Maximum Difference Between Even and Odd Frequency II	Hard	12.5%
3442	Maximum Difference Between Even and Odd Frequency I	Easy	12.5%
3573	Best Time to Buy and Sell Stock V	Medium	12.5%
1787	Make the XOR of All Segments Equal to Zero	Hard	12.5%
499	The Maze III	Hard	12.5%
3423	Maximum Difference Between Adjacent Elements in a Circular Array Array	Easy	12.5%
1649	Create Sorted Array through Instructions Array	Hard	12.5%
2566	Maximum Difference by Remapping a Digit Math	Easy	12.5%
1432	Max Difference You Can Get From Changing an Integer Math	Medium	12.5%
1995	Count Special Quadruplets	Easy	12.5%
2081	Sum of k-Mirror Numbers Math	Hard	12.5%
3483	Unique 3-Digit Even Numbers Math	Easy	12.5%
1349	Maximum Students Taking Exam	Hard	12.5%
822	Card Flipping Game	Medium	12.5%
2485	Find the Pivot Integer Math	Easy	12.5%
3405	Count the Number of Arrays with K Matching Adjacent Elements ArrayMath	Hard	12.5%
1779	Find Nearest Point That Has the Same X or Y Coordinate	Easy	12.5%
3585	Find Weighted Median Node in Tree TreeLinked ListHeap	Hard	12.5%
244	Shortest Word Distance II	Medium	12.5%
996	Number of Squareful Arrays ArrayMath	Hard	12.5%
2294	Partition Array Such That Maximum Difference Is K ArrayDP	Medium	12.5%
3085	Minimum Deletions to Make String K-Special String	Medium	12.5%
3593	Minimum Increments to Equalize Leaf Paths	Medium	12.5%
3588	Find Maximum Area of a Triangle	Medium	12.5%
2389	Longest Subsequence With Limited Sum String	Easy	12.5%
3049	Earliest Second to Mark Indices II	Hard	12.5%
1755	Closest Subsequence Sum String	Hard	12.5%
1685	Sum of Absolute Differences in a Sorted Array Array	Medium	12.5%
1588	Sum of All Odd Length Subarrays Array	Easy	12.5%
1402	Reducing Dishes	Hard	12.5%
2014	Longest Subsequence Repeated k Times String	Hard	12.5%
2233	Maximum Product After K Increments	Medium	12.5%
2099	Find Subsequence of Length K With the Largest Sum String	Easy	12.5%
262	Trips and Users	Hard	12.5%
491	Non-decreasing Subsequences String	Medium	12.5%
467	Unique Substrings in Wraparound String StringTree	Medium	12.5%
468	Validate IP Address	Medium	12.5%
575	Distribute Candies	Easy	12.5%
3330	Find the Original Typed String I String	Easy	12.5%
3333	Find the Original Typed String II String	Hard	12.5%
3307	Find the K-th Character in String Game II String	Hard	12.5%
3503	Longest Palindrome After Substring Concatenation I StringTree	Medium	12.5%
1394	Find Lucky Integer in an Array ArrayMath	Easy	12.5%
466	Count The Repetitions	Hard	12.5%
1865	Finding Pairs With a Certain Sum	Medium	12.5%
961	N-Repeated Element in Size 2N Array Array	Easy	12.5%
3046	Split the Array Array	Easy	12.5%
1985	Find the Kth Largest Integer in the Array ArrayHeapMath	Medium	12.5%
473	Matchsticks to Square	Medium	12.5%
2410	Maximum Matching of Players With Trainers	Medium	12.5%
2386	Find the K-Sum of an Array Array	Hard	12.5%
3613	Minimize Maximum Component Cost	Medium	12.5%
3136	Valid Word	Easy	12.5%
1111	Maximum Nesting Depth of Two Valid Parentheses Strings StringStack/Queue	Medium	12.5%
989	Add to Array-Form of Integer ArrayMath	Easy	12.5%
2163	Minimum Difference in Sums After Removal of Elements	Hard	12.5%
1416	Restore The Array Array	Hard	12.5%
2677	Chunk Array Array	Easy	12.5%
730	Count Different Palindromic Subsequences String	Hard	12.5%
2365	Task Scheduler II	Medium	12.5%
3417	Zigzag Grid Traversal With Skip	Easy	12.5%
2322	Minimum Score After Removals on a Tree Tree	Hard	12.5%
3227	Vowels Game in a String String	Medium	12.5%
1013	Partition Array Into Three Parts With Equal Sum ArrayDP	Easy	12.5%
3619	Count Islands With Total Value Divisible by K Graph	Medium	12.5%
3578	Count Partitions With Max-Min Difference at Most K DP	Medium	12.5%
3487	Maximum Unique Subarray Sum After Deletion Array	Easy	12.5%
511	Game Play Analysis I	Easy	12.5%
3480	Maximize Subarrays After Removing One Conflicting Pair Array	Hard	12.5%
714	Best Time to Buy and Sell Stock with Transaction Fee	Medium	12.5%
2411	Smallest Subarrays With Maximum Bitwise OR Array	Medium	12.5%
3589	Count Prime-Gap Balanced Subarrays ArrayMath	Medium	12.5%
784	Letter Case Permutation	Medium	12.5%
194	Transpose File	Medium	12.5%
3630	Partition Array for Maximum XOR and AND ArrayDP	Hard	12.5%
2561	Rearranging Fruits	Hard	12.5%
2106	Maximum Fruits Harvested After at Most K Steps	Hard	12.5%
2231	Largest Number After Digit Swaps by Parity Math	Easy	12.5%
1466	Reorder Routes to Make All Paths Lead to the City Zero	Medium	12.5%
3479	Fruits Into Baskets III	Medium	12.5%
3363	Find the Maximum Number of Fruits Collected Math	Hard	12.5%
2603	Collect Coins in a Tree Tree	Hard	12.5%
2325	Decode the Message	Easy	12.5%
1370	Increasing Decreasing String String	Easy	12.5%
1478	Allocate Mailboxes	Hard	12.5%
895	Maximum Frequency Stack Stack/Queue	Hard	12.5%
3645	Maximum Total from Optimal Activation Order	Medium	12.5%
1473	Paint House III	Hard	12.5%
2438	Range Product Queries of Powers Math	Medium	12.5%
3366	Minimum Array Sum Array	Medium	12.5%
3463	Check If Digits Are Equal in String After Operations II StringMath	Hard	12.5%
640	Solve the Equation	Medium	12.5%
1169	Invalid Transactions	Medium	12.5%
3636	Threshold Majority Queries	Hard	12.5%
2065	Maximum Path Quality of a Graph Graph	Hard	12.5%
1323	Maximum 69 Number Math	Easy	12.5%
677	Map Sum Pairs	Medium	12.5%
599	Minimum Index Sum of Two Lists	Easy	12.5%
1837	Sum of Digits in Base K Math	Easy	12.5%
3195	Find the Minimum Area to Cover All Ones I	Medium	12.5%
3197	Find the Minimum Area to Cover All Ones II	Hard	12.5%
2156	Find Substring With Given Hash Value StringTree	Hard	12.5%
3659	Partition Array Into K-Distinct Groups ArrayDP	Medium	12.5%
3000	Maximum Area of Longest Diagonal Rectangle	Easy	12.5%
3412	Find Mirror Score of a String String	Medium	12.5%
937	Reorder Data in Log Files	Medium	12.5%
3446	Sort Matrix by Diagonals Array	Medium	12.5%
3194	Minimum Average of Smallest and Largest Elements	Easy	12.5%
2996	Smallest Missing Integer Greater Than Sequential Prefix Sum Math	Easy	12.5%
3320	Count The Number of Winning Sequences Math	Hard	12.5%
3021	Alice and Bob Playing Flower Game	Medium	12.5%
1778	Shortest Path in a Hidden Grid	Medium	12.5%
868	Binary Gap	Easy	12.5%
693	Binary Number with Alternating Bits Math	Easy	12.5%
3516	Find Closest Person	Easy	12.5%
2956	Find Common Elements Between Two Arrays Array	Easy	12.5%
3495	Minimum Operations to Make Array Elements Zero Array	Hard	12.5%
2749	Minimum Operations to Make the Integer Zero Math	Medium	12.5%
3671	Sum of Beautiful Subsequences String	Hard	12.5%
2637	Promise Time Limit	Medium	12.5%
1317	Convert Integer to the Sum of Two No-Zero Integers Math	Easy	12.5%
2327	Number of People Aware of a Secret Math	Medium	12.5%
3411	Maximum Subarray With Equal Products Array	Easy	12.5%
1733	Minimum Number of People to Teach Math	Medium	12.5%
1116	Print Zero Even Odd	Medium	12.5%
3676	Count Bowl Subarrays Array	Medium	12.5%
2887	Fill Missing Data	Easy	12.5%
966	Vowel Spellchecker	Medium	12.5%
2197	Replace Non-Coprime Numbers in Array ArrayMath	Hard	12.5%
1935	Maximum Number of Words You Can Type Math	Easy	12.5%
2002	Maximum Product of the Length of Two Palindromic Subsequences String	Medium	12.5%
602	Friend Requests II: Who Has the Most Friends	Medium	12.5%
3238	Find the Number of Winning Players Math	Easy	12.5%
3685	Subsequence Sum After Capping Elements String	Medium	12.5%
3669	Balanced K-Factor Decomposition	Medium	12.5%
1112	Highest Grade For Each Student	Medium	12.5%
3484	Design Spreadsheet	Medium	12.5%
3508	Implement Router	Medium	12.5%
2716	Minimize String Length String	Easy	12.5%
3289	The Two Sneaky Numbers of Digitville Math	Easy	12.5%
1263	Minimum Moves to Move a Box to Their Target Location	Hard	12.5%
3534	Path Existence Queries in a Graph II Graph	Hard	12.5%
3648	Minimum Sensors to Cover Grid	Medium	12.5%
3665	Twisted Mirror Path Count	Medium	12.5%
2433	Find The Original Array of Prefix Xor Array	Medium	12.5%
2148	Count Elements With Strictly Smaller and Greater Elements	Easy	12.5%
3382	Maximum Area Rectangle With Point Constraints II	Hard	12.5%
1486	XOR Operation in an Array Array	Easy	12.5%
3100	Water Bottles II	Medium	12.5%
1282	Group the People Given the Group Size They Belong To	Medium	12.5%
3006	Find Beautiful Indices in the Given Array I Array	Medium	12.5%
3504	Longest Palindrome After Substring Concatenation II StringTree	Hard	12.5%
3695	Maximize Alternating Sum Using Swaps	Hard	12.5%
3698	Split Array With Minimum Difference Array	Medium	12.5%
2651	Calculate Delayed Arrival Time	Easy	12.5%
2300	Successful Pairs of Spells and Potions	Medium	12.5%
1335	Minimum Difficulty of a Job Schedule	Hard	12.5%
2939	Maximum Xor Product	Medium	12.5%
156	Binary Tree Upside Down Tree	Medium	12.5%
2273	Find Resultant Array After Removing Anagrams ArrayString	Easy	12.5%
566	Reshape the Matrix Array	Easy	12.5%
1723	Find Minimum Time to Finish All Jobs	Hard	12.5%
805	Split Array With Same Average Array	Hard	12.5%
3715	Sum of Perfect Square Ancestors	Hard	12.5%
1928	Minimum Cost to Reach Destination in Time	Hard	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%
2529	Maximum Count of Positive Integer and Negative Integer Math	Easy	12.5%
3354	Make Array Elements Equal to Zero Array	Easy	12.5%
3720	Lexicographically Smallest Permutation Greater Than Target Graph	Medium	12.5%
723	Candy Crush	Medium	12.5%
2056	Number of Valid Move Combinations On Chessboard Math	Hard	12.5%
890	Find and Replace Pattern	Medium	12.5%
1895	Largest Magic Square	Medium	12.5%
3321	Find X-Sum of All K-Long Subarrays II Array	Hard	12.5%
3469	Find Minimum Cost to Remove Array Elements Array	Medium	12.5%
3733	Minimum Time to Complete All Deliveries	Medium	12.5%
2595	Number of Even and Odd Bits Math	Easy	12.5%
3607	Power Grid Maintenance Math	Medium	12.5%
2528	Maximize the Minimum Powered City Math	Hard	12.5%
1611	Minimum One Bit Operations to Make Integers Zero Math	Hard	12.5%
3492	Maximum Containers on a Ship	Easy	12.5%
3542	Minimum Operations to Convert All Elements to Zero	Medium	12.5%
2654	Minimum Number of Operations to Make All Array Elements Equal to 1 ArrayMath	Medium	12.5%
3421	Find Students Who Improved	Medium	12.5%
600	Non-negative Integers without Consecutive Ones Math	Hard	12.5%
915	Partition Array into Disjoint Intervals ArrayDP	Medium	12.5%
2164	Sort Even and Odd Indices Independently	Easy	12.5%
3747	Count Distinct Integers After Removing Zeros Math	Medium	12.5%
1688	Count of Matches in Tournament	Easy	12.5%
1437	Check If All 1's Are at Least Length K Places Away	Easy	12.5%
2659	Make Array Empty Array	Hard	12.5%
2154	Keep Multiplying Found Values by Two	Easy	12.5%
717	1-bit and 2-bit Characters	Easy	12.5%
1036	Escape a Large Maze	Hard	12.5%
1465	Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts	Medium	12.5%
3471	Find the Largest Almost Missing Integer Math	Easy	12.5%
2320	Count Number of Ways to Place Houses Math	Medium	12.5%
757	Set Intersection Size At Least Two	Hard	12.5%
3550	Smallest Index With Digit Sum Equal to Index Math	Easy	12.5%
1262	Greatest Sum Divisible by Three	Medium	12.5%
1018	Binary Prefix Divisible By 5	Easy	12.5%
1050	Actors and Directors Who Cooperated At Least Three Times	Easy	12.5%
3756	Concatenate Non-Zero Digits and Multiply by Sum II Math	Medium	12.5%
1626	Best Team With No Conflicts	Medium	12.5%
3512	Minimum Operations to Make Array Sum Divisible by K Array	Easy	12.5%
1949	Strong Friendship	Medium	12.5%
3432	Count Partitions with Even Sum Difference DP	Easy	12.5%
2211	Count Collisions on a Road	Medium	12.5%
669	Trim a Binary Search Tree TreeBinary Search	Medium	12.5%
1606	Find Servers That Handled Most Number of Requests Math	Hard	12.5%
3751	Total Waviness of Numbers in Range I Math	Medium	12.5%
3770	Largest Prime from Consecutive Prime Sum Math	Medium	12.5%
3614	Process String with Special Operations II String	Hard	12.5%
1925	Count Square Sum Triples	Easy	12.5%
3583	Count Special Triplets	Medium	12.5%
3577	Count the Number of Computer Unlocking Permutations Math	Medium	12.5%
488	Zuma Game	Hard	12.5%
3531	Count Covered Buildings	Medium	12.5%
3606	Coupon Code Validator	Easy	12.5%
2110	Number of Smooth Descent Periods of a Stock Math	Medium	12.5%
2778	Sum of Squares of Special Elements	Easy	12.5%
3562	Maximum Profit from Trading Stocks with Discounts	Hard	12.5%
2496	Maximum Value of a String in an Array ArrayString	Easy	12.5%
1244	Design A Leaderboard	Medium	12.5%
2195	Append K Integers With Minimal Sum Math	Medium	12.5%
3074	Apple Redistribution into Boxes	Easy	12.5%
3664	Two-Letter Card Game	Medium	12.5%
3075	Maximize Happiness of Selected Children	Medium	12.5%
2535	Difference Between Element Sum and Digit Sum of an Array ArrayMath	Easy	12.5%
991	Broken Calculator	Medium	12.5%
1084	Sales Analysis III	Easy	12.5%
3499	Maximize Active Section with Trade I	Medium	12.5%
2625	Flatten Deeply Nested Array Array	Medium	12.5%
1411	Number of Ways to Paint N × 3 Grid Math	Hard	12.5%
1390	Four Divisors	Medium	12.5%
751	IP to CIDR	Medium	12.5%
3731	Find Missing Elements	Easy	12.5%
3438	Find Valid Pair of Adjacent Digits in String StringMath	Easy	12.5%
2630	Memoize II	Hard	12.5%
1339	Maximum Product of Splitted Binary Tree Tree	Medium	12.5%
1458	Max Dot Product of Two Subsequences String	Hard	12.5%
1603	Design Parking System	Easy	12.5%
3545	Minimum Deletions for At Most K Distinct Characters	Easy	12.5%
865	Smallest Subtree with all the Deepest Nodes TreeLinked List	Medium	12.5%
956	Tallest Billboard	Hard	12.5%
712	Minimum ASCII Delete Sum for Two Strings String	Medium	12.5%
978	Longest Turbulent Subarray Array	Medium	12.5%
1329	Sort the Matrix Diagonally Array	Medium	12.5%
2791	Count Paths That Can Form a Palindrome in a Tree StringTree	Hard	12.5%
3803	Count Residue Prefixes	Easy	12.5%
1932	Merge BSTs to Create Single BST Tree	Hard	12.5%
1172	Dinner Plate Stacks Stack/Queue	Hard	12.5%
2975	Maximum Square Area by Removing Fences From a Field	Medium	12.5%
3348	Smallest Divisible Digit Product II Math	Hard	12.5%
2943	Maximize Area of Square Hole in Grid	Medium	12.5%
1160	Find Words That Can Be Formed by Characters	Easy	12.5%
2225	Find Players With Zero or One Losses	Medium	12.5%
1162	As Far from Land as Possible	Medium	12.5%
3815	Design Auction System	Medium	12.5%
3314	Construct the Minimum Bitwise Array I Array	Easy	12.5%
1191	K-Concatenation Maximum Sum	Medium	12.5%
3014	Minimum Number of Pushes to Type Word I Math	Easy	12.5%
1801	Number of Orders in the Backlog Math	Medium	12.5%
3510	Minimum Pair Removal to Sort Array II Array	Hard	12.5%
1877	Minimize Maximum Pair Sum in Array Array	Medium	12.5%
2622	Cache With Time Limit	Medium	12.5%
2789	Largest Element in an Array after Merge Operations Array	Medium	12.5%
1641	Count Sorted Vowel Strings String	Medium	12.5%
3821	Find Nth Smallest Integer With K One Bits Math	Hard	12.5%
3651	Minimum Cost Path with Teleportations	Hard	12.5%
2977	Minimum Cost to Convert String II String	Hard	12.5%
3637	Trionic Array I Array	Easy	12.5%
3599	Partition Array to Minimize XOR ArrayDP	Medium	12.5%
3013	Divide an Array Into Subarrays With Minimum Cost II Array	Hard	12.5%
908	Smallest Range I	Easy	12.5%
3498	Reverse Degree of a String String	Easy	12.5%
3640	Trionic Array II Array	Hard	12.5%
3824	Minimum K to Reduce Array Within Limit Array	Medium	12.5%
3379	Transformed Array Array	Easy	12.5%
3634	Minimum Removals to Balance Array Array	Medium	12.5%
2968	Apply Operations to Maximize Frequency Score	Hard	12.5%
1321	Restaurant Growth	Medium	12.5%
3719	Longest Balanced Subarray I Array	Medium	12.5%
3713	Longest Balanced Substring I StringTree	Medium	12.5%
3714	Longest Balanced Substring II StringTree	Medium	12.5%
2269	Find the K-Beauty of a Number Math	Easy	12.5%
2391	Minimum Amount of Time to Collect Garbage	Medium	12.5%
1796	Second Largest Digit in a String StringMath	Easy	12.5%
3475	DNA Pattern Recognition	Medium	12.5%
601	Human Traffic of Stadium	Hard	12.5%
3586	Find COVID Recovery Patients	Medium	12.5%
2470	Number of Subarrays With LCM Equal to K ArrayMath	Medium	12.5%
3743	Maximize Cyclic Partition Score DP	Hard	12.5%
3732	Maximum Product of Three Elements After One Replacement	Medium	12.5%
2768	Number of Black Blocks Math	Medium	12.5%
2344	Minimum Deletions to Make Array Divisible Array	Hard	12.5%
762	Prime Number of Set Bits in Binary Representation Math	Easy	12.5%
2090	K Radius Subarray Averages Array	Medium	12.5%
1022	Sum of Root To Leaf Binary Numbers Math	Easy	12.5%
3336	Find the Number of Subsequences With Equal GCD StringMath	Hard	12.5%
1309	Decrypt String from Alphabet to Integer Mapping StringMath	Easy	12.5%
3666	Minimum Operations to Equalize Binary String String	Hard	12.5%
1158	Market Analysis I	Medium	12.5%
1680	Concatenation of Consecutive Binary Numbers Math	Medium	12.5%
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers DPMath	Medium	12.5%
1784	Check if Binary String Has at Most One Segment of Ones String	Easy	12.5%
3850	Count Sequences to K	Hard	12.5%
3658	GCD of Odd and Even Sums	Easy	12.5%
3858	Minimum Bitwise OR From Grid	Medium	12.5%
3129	Find All Possible Stable Binary Arrays I Array	Medium	12.5%
2895	Minimum Processing Time	Medium	12.5%
2591	Distribute Money to Maximum Children	Easy	12.5%
3296	Minimum Number of Seconds to Make Mountain Height Zero Math	Medium	12.5%
1583	Count Unhappy Friends	Medium	12.5%
3600	Maximize Spanning Tree Stability with Upgrades Tree	Hard	12.5%
2074	Reverse Nodes in Even Length Groups Linked List	Medium	12.5%
1878	Get Biggest Three Rhombus Sums in a Grid	Medium	12.5%
3070	Count Submatrices with Top-Left Element and Sum Less Than k	Medium	12.5%
3567	Minimum Absolute Difference in Sliding Submatrix Array	Medium	12.5%
3643	Flip Square Submatrix Vertically Array	Easy	12.5%
3875	Construct Uniform Parity Array I Array	Easy	12.5%
1318	Minimum Flips to Make a OR b Equal to c	Medium	12.5%
1017	Convert to Base -2	Medium	12.5%
2906	Construct Product Matrix Array	Medium	12.5%
3546	Equal Sum Grid Partition I DP	Medium	12.5%
3548	Equal Sum Grid Partition II DP	Hard	12.5%
2946	Matrix Similarity After Cyclic Shifts Array	Easy	12.5%
2839	Check if Strings Can be Made Equal With Operations I String	Easy	12.5%
3490	Count Beautiful Numbers Math	Hard	12.5%
2840	Check if Strings Can be Made Equal With Operations II String	Medium	12.5%
1795	Rearrange Products Table	Easy	12.5%
1693	Daily Leads and Partners	Easy	12.5%
3474	Lexicographically Smallest Generated String StringGraph	Hard	12.5%
2368	Reachable Nodes With Restrictions Linked List	Medium	12.5%
3710	Maximum Partition Factor DP	Hard	12.5%
3418	Maximum Amount of Money Robot Can Earn	Medium	12.5%
398	Random Pick Index	Medium	12.5%
2075	Decode the Slanted Ciphertext	Medium	12.5%
902	Numbers At Most N Given Digit Set Math	Hard	12.5%
874	Walking Robot Simulation	Medium	12.5%
2715	Timeout Cancellation	Easy	12.5%
2097	Valid Arrangement of Pairs	Hard	12.5%
3740	Minimum Distance Between Three Equal Elements I	Easy	12.5%
3882	Minimum XOR Path in a Grid	Medium	12.5%
3741	Minimum Distance Between Three Equal Elements II	Medium	12.5%
3266	Final Array State After K Multiplication Operations II Array	Hard	12.5%
3896	Minimum Operations to Transform Array into Alternating Prime ArrayMath	Medium	12.5%
1848	Minimum Distance to the Target Element	Easy	12.5%
3894	Traffic Signal Color	Easy	12.5%
2858	Minimum Edge Reversals So Every Node Is Reachable Linked List	Hard	12.5%
3488	Closest Equal Element Queries	Medium	12.5%
2400	Number of Ways to Reach a Position After Exactly k Steps Math	Medium	12.5%
3448	Count Substrings Divisible By Last Digit StringTreeMath	Hard	12.5%
3862	Find the Smallest Balanced Index	Medium	12.5%
3761	Minimum Absolute Distance Between Mirror Pairs	Medium	12.5%
3783	Mirror Distance of an Integer Math	Easy	12.5%
3723	Maximize Sum of Squares of Digits Math	Medium	12.5%
1195	Fizz Buzz Multithreaded	Medium	12.5%
3900	Longest Balanced Substring After One Swap StringTree	Medium	12.5%
2801	Count Stepping Numbers in Range Math	Hard	12.5%
738	Monotone Increasing Digits Math	Medium	12.5%
2833	Furthest Point From Origin	Easy	12.5%
3464	Maximize the Distance Between Points on a Square	Hard	12.5%
1391	Check if There is a Valid Path in a Grid	Medium	12.5%
2772	Apply Operations to Make All Array Elements Equal to Zero Array	Medium	12.5%
3225	Maximum Score From Grid Operations	Hard	12.5%
3742	Maximum Path Score in a Grid	Medium	12.5%
3082	Find the Sum of the Power of All Subsequences StringMath	Hard	12.5%
3660	Jump Game IX	Medium	12.5%
3629	Minimum Jumps to Reach End via Prime Teleportation Math	Medium	12.5%
161	One Edit Distance DP	Medium	12.5%
1914	Cyclically Rotating a Grid	Medium	12.5%
1429	First Unique Number Math	Medium	12.5%
2553	Separate the Digits in an Array ArrayMath	Easy	12.5%
1665	Minimum Initial Energy to Finish Tasks	Hard	12.5%
1674	Minimum Moves to Make Array Complementary Array	Medium	12.5%
2784	Check if Array is Good Array	Easy	12.5%
3569	Maximize Count of Distinct Primes After Split Math	Hard	12.5%
654	Maximum Binary Tree Tree	Medium	12.5%
607	Sales Person	Easy	12.5%
3932	Count K-th Roots in a Range	Medium	12.5%
3935	Power Update After K-th Largest Insertion I Math	Medium	12.5%
1129	Shortest Path with Alternating Colors	Medium	12.5%
457	Circular Array Loop Array	Medium	12.5%
831	Masking Personal Information	Medium	12.5%
801	Minimum Swaps To Make Sequences Increasing	Hard	12.5%
3427	Sum of Variable Length Subarrays Array	Easy	12.5%
3377	Digit Operations to Make Two Integers Equal Math	Medium	12.5%
3121	Count the Number of Special Characters II Math	Medium	12.5%
1131	Maximum of Absolute Value Expression	Medium	12.5%
2395	Find Subarrays With Equal Sum Array	Easy	12.5%
3161	Block Placement Queries	Hard	12.5%
3300	Minimum Element After Replacement With Digit Sum Math	Easy	12.5%
3615	Longest Palindromic Path in Graph Graph	Hard	12.5%
3633	Earliest Finish Time for Land and Water Rides I	Easy	12.5%
3635	Earliest Finish Time for Land and Water Rides II	Medium	12.5%
3753	Total Waviness of Numbers in Range II Math	Hard	12.5%
1711	Count Good Meals	Medium	12.5%
2951	Find the Peaks Binary Search	Easy	12.5%
3689	Maximum Total Subarray Value I Array	Medium	12.5%
3559	Number of Ways to Assign Edge Weights II Math	Hard	12.5%
3838	Weighted Word Mapping	Easy	12.5%
1646	Get Maximum in Generated Array Array	Easy	12.5%
3691	Maximum Total Subarray Value II Array	Hard	12.5%
2608	Shortest Cycle in a Graph GraphLinked List	Hard	12.5%
3961	Maximize Sum of Device Ratings	Medium	12.5%
1344	Angle Between Hands of a Clock	Medium	12.5%
2001	Number of Pairs of Interchangeable Rectangles Math	Medium	12.5%
3612	Process String with Special Operations I String	Medium	12.5%
1981	Minimize the Difference Between Target and Chosen Elements	Medium	12.5%
1222	Queens That Can Attack the King	Medium	12.5%
1907	Count Salary Categories	Medium	12.5%
2913	Subarrays Distinct Element Sum of Squares I Array	Easy	12.5%
882	Reachable Nodes In Subdivided Graph GraphLinked List	Hard	12.5%
1840	Maximum Building Height	Hard	12.5%
1839	Longest Substring Of All Vowels in Order StringTree	Medium	12.5%
1833	Maximum Ice Cream Bars	Medium	12.5%
1189	Maximum Number of Balloons Math	Easy	12.5%
1343	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold ArrayMath	Medium	12.5%
3962	Maximum Subarray Sum After at Most K Swaps Array	Hard	12.5%
1589	Maximum Sum Obtained of Any Permutation	Medium	12.5%
1297	Maximum Number of Occurrences of a Substring StringTreeMath	Medium	12.5%
3699	Number of ZigZag Arrays I ArrayMath	Hard	12.5%
2706	Buy Two Chocolates	Easy	12.5%
1223	Dice Roll Simulation	Hard	12.5%
3737	Count Subarrays With Majority Element I Array	Medium	12.5%
3700	Number of ZigZag Arrays II ArrayMath	Hard	12.5%
2455	Average Value of Even Numbers That Are Divisible by Three Math	Easy	12.5%
2376	Count Special Integers Math	Hard	12.5%
1846	Maximum Element After Decreasing and Rearranging	Medium	12.5%
3975	Filter Occupied Intervals	Medium	12.5%
1967	Number of Strings That Appear as Substrings in Word StringTreeMath	Easy	12.5%
2037	Minimum Number of Moves to Seat Everyone Math	Easy	12.5%
798	Smallest Rotation with Highest Score	Hard	12.5%
1670	Design Front Middle Back Queue Stack/Queue	Medium	12.5%
1741	Find Total Time Spent by Each Employee	Easy	12.5%
1226	The Dining Philosophers	Medium	12.5%
2623	Memoize	Medium	12.5%
3517	Smallest Palindromic Rearrangement I	Medium	12.5%
804	Unique Morse Code Words	Easy	12.5%
3220	Odd and Even Transactions	Medium	12.5%
1301	Number of Paths with Max Score Math	Hard	12.5%
565	Array Nesting Array	Medium	12.5%
1288	Remove Covered Intervals	Medium	12.5%
3754	Concatenate Non-Zero Digits and Multiply by Sum I Math	Easy	12.5%
814	Binary Tree Pruning Tree	Medium	12.5%
3976	Maximum Subarray Sum After Multiplier Array	Medium	12.5%
2502	Design Memory Allocator	Medium	12.5%
3668	Restore Finishing Order	Easy	12.5%
1720	Decode XORed Array Array	Easy	12.5%
3219	Minimum Cost for Cutting Cake II	Hard	12.5%
2600	K Items With the Maximum Sum	Easy	12.5%
2945	Find Maximum Non-decreasing Array Length Array	Hard	12.5%