Microsoft Interview Questions — CS-Next ByCompany

1386 of 1386

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%
5	Longest Palindromic Substring StringTree	Medium	75.0%
9	Palindrome Number StringMath	Easy	75.0%
11	Container With Most Water	Medium	75.0%
13	Roman to Integer Math	Easy	75.0%
14	Longest Common Prefix DP	Easy	75.0%
15	3Sum	Medium	75.0%
20	Valid Parentheses Stack/Queue	Easy	75.0%
26	Remove Duplicates from Sorted Array Array	Easy	75.0%
33	Search in Rotated Sorted Array ArrayBinary Search	Medium	75.0%
42	Trapping Rain Water	Hard	75.0%
49	Group Anagrams String	Medium	75.0%
53	Maximum Subarray Array	Medium	75.0%
56	Merge Intervals	Medium	75.0%
88	Merge Sorted Array Array	Easy	75.0%
121	Best Time to Buy and Sell Stock	Easy	75.0%
146	LRU Cache	Medium	75.0%
169	Majority Element	Easy	75.0%
200	Number of Islands GraphMath	Medium	75.0%
560	Subarray Sum Equals K Array	Medium	75.0%
7	Reverse Integer Math	Medium	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%
23	Merge k Sorted Lists	Hard	62.5%
25	Reverse Nodes in k-Group Linked List	Hard	62.5%
27	Remove Element	Easy	62.5%
28	Find the Index of the First Occurrence in a String String	Easy	62.5%
31	Next Permutation	Medium	62.5%
35	Search Insert Position Binary Search	Easy	62.5%
46	Permutations	Medium	62.5%
48	Rotate Image	Medium	62.5%
50	Pow(x, n) Math	Medium	62.5%
51	N-Queens	Hard	62.5%
54	Spiral Matrix Array	Medium	62.5%
55	Jump Game	Medium	62.5%
70	Climbing Stairs	Easy	62.5%
73	Set Matrix Zeroes Array	Medium	62.5%
75	Sort Colors	Medium	62.5%
79	Word Search	Medium	62.5%
125	Valid Palindrome String	Easy	62.5%
128	Longest Consecutive Sequence	Medium	62.5%
138	Copy List with Random Pointer	Medium	62.5%
151	Reverse Words in a String String	Medium	62.5%
155	Min Stack Stack/Queue	Medium	62.5%
162	Find Peak Element Binary Search	Medium	62.5%
189	Rotate Array Array	Medium	62.5%
198	House Robber	Medium	62.5%
206	Reverse Linked List Linked List	Easy	62.5%
215	Kth Largest Element in an Array ArrayHeap	Medium	62.5%
217	Contains Duplicate	Easy	62.5%
238	Product of Array Except Self Array	Medium	62.5%
242	Valid Anagram String	Easy	62.5%
253	Meeting Rooms II	Medium	62.5%
283	Move Zeroes	Easy	62.5%
297	Serialize and Deserialize Binary Tree Tree	Hard	62.5%
540	Single Element in a Sorted Array Array	Medium	62.5%
875	Koko Eating Bananas	Medium	62.5%
1768	Merge Strings Alternately String	Easy	62.5%
1757	Recyclable and Low Fat Products	Easy	62.5%
2667	Create Hello World Function	Easy	62.5%
6	Zigzag Conversion	Medium	50.0%
8	String to Integer (atoi) StringMath	Medium	50.0%
10	Regular Expression Matching	Hard	50.0%
12	Integer to Roman Math	Medium	50.0%
18	4Sum	Medium	50.0%
19	Remove Nth Node From End of List Linked List	Medium	50.0%
24	Swap Nodes in Pairs Linked List	Medium	50.0%
29	Divide Two Integers Math	Medium	50.0%
32	Longest Valid Parentheses Stack/Queue	Hard	50.0%
34	Find First and Last Position of Element in Sorted Array Array	Medium	50.0%
36	Valid Sudoku	Medium	50.0%
37	Sudoku Solver	Hard	50.0%
39	Combination Sum	Medium	50.0%
41	First Missing Positive	Hard	50.0%
45	Jump Game II	Medium	50.0%
62	Unique Paths	Medium	50.0%
64	Minimum Path Sum	Medium	50.0%
66	Plus One	Easy	50.0%
67	Add Binary	Easy	50.0%
69	Sqrt(x) Math	Easy	50.0%
71	Simplify Path	Medium	50.0%
72	Edit Distance DP	Medium	50.0%
74	Search a 2D Matrix Array	Medium	50.0%
76	Minimum Window Substring StringTreeSliding Window	Hard	50.0%
78	Subsets	Medium	50.0%
84	Largest Rectangle in Histogram	Hard	50.0%
85	Maximal Rectangle	Hard	50.0%
91	Decode Ways	Medium	50.0%
93	Restore IP Addresses	Medium	50.0%
94	Binary Tree Inorder Traversal Tree	Easy	50.0%
98	Validate Binary Search Tree TreeBinary Search	Medium	50.0%
101	Symmetric Tree Tree	Easy	50.0%
102	Binary Tree Level Order Traversal Tree	Medium	50.0%
103	Binary Tree Zigzag Level Order Traversal Tree	Medium	50.0%
104	Maximum Depth of Binary Tree Tree	Easy	50.0%
114	Flatten Binary Tree to Linked List TreeLinked List	Medium	50.0%
116	Populating Next Right Pointers in Each Node Linked List	Medium	50.0%
118	Pascal's Triangle	Easy	50.0%
122	Best Time to Buy and Sell Stock II	Medium	50.0%
124	Binary Tree Maximum Path Sum Tree	Hard	50.0%
127	Word Ladder	Hard	50.0%
131	Palindrome Partitioning StringDP	Medium	50.0%
134	Gas Station	Medium	50.0%
135	Candy	Hard	50.0%
136	Single Number Math	Easy	50.0%
139	Word Break	Medium	50.0%
141	Linked List Cycle GraphLinked List	Easy	50.0%
142	Linked List Cycle II GraphLinked List	Medium	50.0%
143	Reorder List	Medium	50.0%
152	Maximum Product Subarray Array	Medium	50.0%
153	Find Minimum in Rotated Sorted Array ArrayBinary Search	Medium	50.0%
160	Intersection of Two Linked Lists Linked List	Easy	50.0%
167	Two Sum II - Input Array Is Sorted ArraySliding Window	Medium	50.0%
168	Excel Sheet Column Title	Easy	50.0%
171	Excel Sheet Column Number Math	Easy	50.0%
175	Combine Two Tables	Easy	50.0%
179	Largest Number Math	Medium	50.0%
197	Rising Temperature	Easy	50.0%
202	Happy Number Math	Easy	50.0%
204	Count Primes Math	Medium	50.0%
205	Isomorphic Strings String	Easy	50.0%
207	Course Schedule	Medium	50.0%
208	Implement Trie (Prefix Tree) Tree	Medium	50.0%
209	Minimum Size Subarray Sum Array	Medium	50.0%
210	Course Schedule II	Medium	50.0%
212	Word Search II	Hard	50.0%
213	House Robber II	Medium	50.0%
219	Contains Duplicate II	Easy	50.0%
224	Basic Calculator	Hard	50.0%
232	Implement Queue using Stacks Stack/Queue	Easy	50.0%
234	Palindrome Linked List StringLinked List	Easy	50.0%
235	Lowest Common Ancestor of a Binary Search Tree TreeBinary Search	Medium	50.0%
236	Lowest Common Ancestor of a Binary Tree Tree	Medium	50.0%
237	Delete Node in a Linked List Linked List	Medium	50.0%
239	Sliding Window Maximum Sliding Window	Hard	50.0%
258	Add Digits Math	Easy	50.0%
268	Missing Number Math	Easy	50.0%
273	Integer to English Words Math	Hard	50.0%
287	Find the Duplicate Number Math	Medium	50.0%
295	Find Median from Data Stream Heap	Hard	50.0%
300	Longest Increasing Subsequence String	Medium	50.0%
322	Coin Change DP	Medium	50.0%
347	Top K Frequent Elements Heap	Medium	50.0%
348	Design Tic-Tac-Toe	Medium	50.0%
349	Intersection of Two Arrays Array	Easy	50.0%
380	Insert Delete GetRandom O(1)	Medium	50.0%
387	First Unique Character in a String String	Easy	50.0%
394	Decode String String	Medium	50.0%
410	Split Array Largest Sum Array	Hard	50.0%
424	Longest Repeating Character Replacement	Medium	50.0%
443	String Compression String	Medium	50.0%
460	LFU Cache	Hard	50.0%
496	Next Greater Element I	Easy	50.0%
503	Next Greater Element II	Medium	50.0%
567	Permutation in String String	Medium	50.0%
621	Task Scheduler	Medium	50.0%
739	Daily Temperatures	Medium	50.0%
704	Binary Search Binary Search	Easy	50.0%
863	All Nodes Distance K in Binary Tree TreeLinked List	Medium	50.0%
876	Middle of the Linked List Linked List	Easy	50.0%
901	Online Stock Span	Medium	50.0%
509	Fibonacci Number DPMath	Easy	50.0%
994	Rotting Oranges	Medium	50.0%
1004	Max Consecutive Ones III	Medium	50.0%
1143	Longest Common Subsequence StringDP	Medium	50.0%
1475	Final Prices With a Special Discount in a Shop	Easy	50.0%
1466	Reorder Routes to Make All Paths Lead to the City Zero	Medium	50.0%
1838	Frequency of the Most Frequent Element	Medium	50.0%
2246	Longest Path With Different Adjacent Characters	Hard	50.0%
2235	Add Two Integers Math	Easy	50.0%
383	Ransom Note	Easy	50.0%
485	Max Consecutive Ones	Easy	50.0%
2858	Minimum Edge Reversals So Every Node Is Reachable Linked List	Hard	50.0%
1797	Design Authentication Manager	Medium	50.0%
16	3Sum Closest	Medium	37.5%
40	Combination Sum II	Medium	37.5%
43	Multiply Strings String	Medium	37.5%
44	Wildcard Matching	Hard	37.5%
47	Permutations II	Medium	37.5%
57	Insert Interval	Medium	37.5%
58	Length of Last Word	Easy	37.5%
59	Spiral Matrix II Array	Medium	37.5%
61	Rotate List	Medium	37.5%
68	Text Justification	Hard	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%
90	Subsets II	Medium	37.5%
92	Reverse Linked List II Linked List	Medium	37.5%
97	Interleaving String String	Medium	37.5%
99	Recover Binary Search Tree TreeBinary Search	Medium	37.5%
100	Same Tree Tree	Easy	37.5%
105	Construct Binary Tree from Preorder and Inorder Traversal Tree	Medium	37.5%
106	Construct Binary Tree from Inorder and Postorder 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%
112	Path Sum	Easy	37.5%
113	Path Sum II	Medium	37.5%
115	Distinct Subsequences String	Hard	37.5%
117	Populating Next Right Pointers in Each Node II Linked List	Medium	37.5%
120	Triangle	Medium	37.5%
123	Best Time to Buy and Sell Stock III	Hard	37.5%
130	Surrounded Regions	Medium	37.5%
137	Single Number II Math	Medium	37.5%
148	Sort List	Medium	37.5%
150	Evaluate Reverse Polish Notation	Medium	37.5%
165	Compare Version Numbers Math	Medium	37.5%
173	Binary Search Tree Iterator TreeBinary Search	Medium	37.5%
174	Dungeon Game	Hard	37.5%
176	Second Highest Salary	Medium	37.5%
181	Employees Earning More Than Their Managers	Easy	37.5%
186	Reverse Words in a String II String	Medium	37.5%
191	Number of 1 Bits Math	Easy	37.5%
199	Binary Tree Right Side View Tree	Medium	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%
227	Basic Calculator II	Medium	37.5%
229	Majority Element II	Medium	37.5%
230	Kth Smallest Element in a BST Tree	Medium	37.5%
240	Search a 2D Matrix II Array	Medium	37.5%
274	H-Index	Medium	37.5%
279	Perfect Squares	Medium	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%
344	Reverse String String	Easy	37.5%
345	Reverse Vowels of a String String	Easy	37.5%
365	Water and Jug Problem	Medium	37.5%
392	Is Subsequence String	Easy	37.5%
402	Remove K Digits Math	Medium	37.5%
412	Fizz Buzz	Easy	37.5%
416	Partition Equal Subset Sum DP	Medium	37.5%
419	Battleships in a Board	Medium	37.5%
438	Find All Anagrams in a String String	Medium	37.5%
445	Add Two Numbers II Math	Medium	37.5%
451	Sort Characters By Frequency	Medium	37.5%
452	Minimum Number of Arrows to Burst Balloons Math	Medium	37.5%
455	Assign Cookies	Easy	37.5%
493	Reverse Pairs	Hard	37.5%
494	Target Sum	Medium	37.5%
513	Find Bottom Left Tree Value Tree	Medium	37.5%
543	Diameter of Binary Tree Tree	Easy	37.5%
570	Managers with at Least 5 Direct Reports	Medium	37.5%
584	Find Customer Referee	Easy	37.5%
595	Big Countries Tree	Easy	37.5%
605	Can Place Flowers	Easy	37.5%
642	Design Search Autocomplete System	Hard	37.5%
643	Maximum Average Subarray I Array	Easy	37.5%
645	Set Mismatch	Easy	37.5%
647	Palindromic Substrings StringTree	Medium	37.5%
650	2 Keys Keyboard	Medium	37.5%
651	4 Keys Keyboard	Medium	37.5%
653	Two Sum IV - Input is a BST TreeSliding Window	Easy	37.5%
658	Find K Closest Elements	Medium	37.5%
672	Bulb Switcher II	Medium	37.5%
680	Valid Palindrome II String	Easy	37.5%
721	Accounts Merge	Medium	37.5%
722	Remove Comments	Medium	37.5%
733	Flood Fill Graph	Easy	37.5%
735	Asteroid Collision	Medium	37.5%
767	Reorganize String String	Medium	37.5%
772	Basic Calculator III	Hard	37.5%
794	Valid Tic-Tac-Toe State	Medium	37.5%
796	Rotate String String	Easy	37.5%
706	Design HashMap	Easy	37.5%
805	Split Array With Same Average Array	Hard	37.5%
852	Peak Index in a Mountain Array ArrayBinary Search	Medium	37.5%
871	Minimum Number of Refueling Stops Math	Hard	37.5%
886	Possible Bipartition DP	Medium	37.5%
907	Sum of Subarray Minimums Array	Medium	37.5%
912	Sort an Array Array	Medium	37.5%
987	Vertical Order Traversal of a Binary Tree Tree	Hard	37.5%
992	Subarrays with K Different Integers ArrayMath	Hard	37.5%
1006	Clumsy Factorial	Medium	37.5%
1011	Capacity To Ship Packages Within D Days	Medium	37.5%
1019	Next Greater Node In Linked List Linked List	Medium	37.5%
1027	Longest Arithmetic Subsequence String	Medium	37.5%
1071	Greatest Common Divisor of Strings String	Easy	37.5%
1068	Product Sales Analysis I	Easy	37.5%
1092	Shortest Common Supersequence	Hard	37.5%
1114	Print in Order	Easy	37.5%
1148	Article Views I	Easy	37.5%
1193	Monthly Transactions I	Medium	37.5%
1235	Maximum Profit in Job Scheduling	Hard	37.5%
1251	Average Selling Price	Easy	37.5%
1280	Students and Examinations	Easy	37.5%
1285	Find the Start and End Number of Continuous Ranges Math	Medium	37.5%
1304	Find N Unique Integers Sum up to Zero Math	Easy	37.5%
1306	Jump Game III	Medium	37.5%
1318	Minimum Flips to Make a OR b Equal to c	Medium	37.5%
1344	Angle Between Hands of a Clock	Medium	37.5%
1324	Print Words Vertically	Medium	37.5%
1339	Maximum Product of Splitted Binary Tree Tree	Medium	37.5%
1371	Find the Longest Substring Containing Vowels in Even Counts StringTree	Medium	37.5%
1386	Cinema Seat Allocation	Medium	37.5%
1375	Number of Times Binary String Is Prefix-Aligned StringMath	Medium	37.5%
1378	Replace Employee ID With The Unique Identifier	Easy	37.5%
1394	Find Lucky Integer in an Array ArrayMath	Easy	37.5%
1415	The k-th Lexicographical String of All Happy Strings of Length n StringGraph	Medium	37.5%
1423	Maximum Points You Can Obtain from Cards	Medium	37.5%
1448	Count Good Nodes in Binary Tree TreeLinked List	Medium	37.5%
1470	Shuffle the Array Array	Easy	37.5%
1480	Running Sum of 1d Array Array	Easy	37.5%
1482	Minimum Number of Days to Make m Bouquets Math	Medium	37.5%
1510	Stone Game IV	Hard	37.5%
1523	Count Odd Numbers in an Interval Range Math	Easy	37.5%
1518	Water Bottles	Easy	37.5%
1539	Kth Missing Positive Number Math	Easy	37.5%
1528	Shuffle String String	Easy	37.5%
1578	Minimum Time to Make Rope Colorful	Medium	37.5%
1581	Customer Who Visited but Did Not Make Any Transactions	Easy	37.5%
1615	Maximal Network Rank Graph	Medium	37.5%
1637	Widest Vertical Area Between Two Points Containing No Points	Easy	37.5%
1653	Minimum Deletions to Make String Balanced String	Medium	37.5%
1671	Minimum Number of Removals to Make Mountain Array ArrayMath	Hard	37.5%
1647	Minimum Deletions to Make Character Frequencies Unique	Medium	37.5%
1650	Lowest Common Ancestor of a Binary Tree III Tree	Medium	37.5%
1661	Average Time of Process per Machine	Easy	37.5%
1700	Number of Students Unable to Eat Lunch Math	Easy	37.5%
1703	Minimum Adjacent Swaps for K Consecutive Ones	Hard	37.5%
1763	Longest Nice Substring StringTree	Easy	37.5%
1752	Check if Array Is Sorted and Rotated ArrayBinary Search	Easy	37.5%
1791	Find Center of Star Graph Graph	Easy	37.5%
1836	Remove Duplicates From an Unsorted Linked List Linked List	Medium	37.5%
1854	Maximum Population Year	Easy	37.5%
1887	Reduction Operations to Make the Array Elements Equal Array	Medium	37.5%
1929	Concatenation of Array Array	Easy	37.5%
1945	Sum of Digits of String After Convert StringMath	Easy	37.5%
2028	Find Missing Observations	Medium	37.5%
2127	Maximum Employees to Be Invited to a Meeting	Hard	37.5%
2107	Number of Unique Flavors After Sharing K Candies Math	Medium	37.5%
2181	Merge Nodes in Between Zeros Linked List	Medium	37.5%
2206	Divide Array Into Equal Pairs Array	Easy	37.5%
2259	Remove Digit From Number to Maximize Result Math	Easy	37.5%
2384	Largest Palindromic Number Math	Medium	37.5%
2405	Optimal Partition of String StringDP	Medium	37.5%
2477	Minimum Fuel Cost to Report to the Capital	Medium	37.5%
2502	Design Memory Allocator	Medium	37.5%
2540	Minimum Common Value	Easy	37.5%
2664	The Knight’s Tour	Medium	37.5%
2815	Max Pair Sum in an Array Array	Easy	37.5%
2877	Create a DataFrame from List	Easy	37.5%
3040	Maximum Number of Operations With the Same Score II Math	Medium	37.5%
3139	Minimum Cost to Equalize Array Array	Hard	37.5%
3119	Maximum Number of Potholes That Can Be Fixed Math	Medium	37.5%
827	Making A Large Island Graph	Hard	37.5%
577	Employee Bonus	Easy	37.5%
547	Number of Provinces Math	Medium	37.5%
221	Maximal Square	Medium	37.5%
1922	Count Good Numbers Math	Medium	37.5%
334	Increasing Triplet Subsequence String	Medium	37.5%
3377	Digit Operations to Make Two Integers Equal Math	Medium	37.5%
498	Diagonal Traverse	Medium	37.5%
1358	Number of Substrings Containing All Three Characters StringTreeMath	Medium	37.5%
696	Count Binary Substrings StringTree	Easy	37.5%
622	Design Circular Queue Stack/Queue	Medium	37.5%
2571	Minimum Operations to Reduce an Integer to 0 Math	Medium	37.5%
1353	Maximum Number of Events That Can Be Attended Math	Medium	37.5%
2484	Count Palindromic Subsequences String	Hard	37.5%
3136	Valid Word	Easy	37.5%
761	Special Binary String String	Hard	37.5%
1335	Minimum Difficulty of a Job Schedule	Hard	37.5%
516	Longest Palindromic Subsequence String	Medium	37.5%
30	Substring with Concatenation of All Words StringTree	Hard	25.0%
38	Count and Say	Medium	25.0%
52	N-Queens II	Hard	25.0%
63	Unique Paths II	Medium	25.0%
77	Combinations	Medium	25.0%
82	Remove Duplicates from Sorted List II	Medium	25.0%
86	Partition List DP	Medium	25.0%
111	Minimum Depth of Binary Tree Tree	Easy	25.0%
119	Pascal's Triangle II	Easy	25.0%
126	Word Ladder II	Hard	25.0%
129	Sum Root to Leaf Numbers Math	Medium	25.0%
133	Clone Graph Graph	Medium	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%
154	Find Minimum in Rotated Sorted Array II ArrayBinary Search	Hard	25.0%
172	Factorial Trailing Zeroes	Medium	25.0%
178	Rank Scores	Medium	25.0%
180	Consecutive Numbers Math	Medium	25.0%
184	Department Highest Salary	Medium	25.0%
185	Department Top Three Salaries	Hard	25.0%
187	Repeated DNA Sequences	Medium	25.0%
188	Best Time to Buy and Sell Stock IV	Hard	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%
223	Rectangle Area	Medium	25.0%
226	Invert Binary Tree Tree	Easy	25.0%
231	Power of Two Math	Easy	25.0%
233	Number of Digit One Math	Hard	25.0%
252	Meeting Rooms	Easy	25.0%
264	Ugly Number II Math	Medium	25.0%
269	Alien Dictionary	Hard	25.0%
270	Closest Binary Search Tree Value TreeBinary Search	Easy	25.0%
271	Encode and Decode Strings String	Medium	25.0%
277	Find the Celebrity	Medium	25.0%
278	First Bad Version	Easy	25.0%
285	Inorder Successor in BST Tree	Medium	25.0%
289	Game of Life	Medium	25.0%
290	Word Pattern	Easy	25.0%
292	Nim Game	Easy	25.0%
303	Range Sum Query - Immutable	Easy	25.0%
314	Binary Tree Vertical Order Traversal Tree	Medium	25.0%
315	Count of Smaller Numbers After Self Math	Hard	25.0%
326	Power of Three Math	Easy	25.0%
329	Longest Increasing Path in a Matrix Array	Hard	25.0%
333	Largest BST Subtree Tree	Medium	25.0%
337	House Robber III	Medium	25.0%
338	Counting Bits	Easy	25.0%
340	Longest Substring with At Most K Distinct Characters StringTree	Medium	25.0%
350	Intersection of Two Arrays II Array	Easy	25.0%
354	Russian Doll Envelopes	Hard	25.0%
355	Design Twitter	Medium	25.0%
362	Design Hit Counter	Medium	25.0%
367	Valid Perfect Square	Easy	25.0%
368	Largest Divisible Subset	Medium	25.0%
371	Sum of Two Integers Math	Medium	25.0%
373	Find K Pairs with Smallest Sums	Medium	25.0%
378	Kth Smallest Element in a Sorted Matrix Array	Medium	25.0%
395	Longest Substring with At Least K Repeating Characters StringTree	Medium	25.0%
399	Evaluate Division	Medium	25.0%
403	Frog Jump	Hard	25.0%
407	Trapping Rain Water II	Hard	25.0%
409	Longest Palindrome String	Easy	25.0%
415	Add Strings String	Easy	25.0%
432	All O`one Data Structure	Hard	25.0%
435	Non-overlapping Intervals	Medium	25.0%
437	Path Sum III	Medium	25.0%
441	Arranging Coins	Easy	25.0%
442	Find All Duplicates in an Array Array	Medium	25.0%
450	Delete Node in a BST TreeLinked List	Medium	25.0%
463	Island Perimeter Graph	Easy	25.0%
468	Validate IP Address	Medium	25.0%
475	Heaters	Medium	25.0%
502	IPO	Hard	25.0%
518	Coin Change II DP	Medium	25.0%
1983	Widest Pair of Indices With Equal Range Sum	Medium	25.0%
523	Continuous Subarray Sum Array	Medium	25.0%
525	Contiguous Array Array	Medium	25.0%
539	Minimum Time Difference	Medium	25.0%
542	01 Matrix Array	Medium	25.0%
545	Boundary of Binary Tree Tree	Medium	25.0%
556	Next Greater Element III	Medium	25.0%
564	Find the Closest Palindrome String	Hard	25.0%
572	Subtree of Another Tree Tree	Easy	25.0%
581	Shortest Unsorted Continuous Subarray Array	Medium	25.0%
588	Design In-Memory File System	Hard	25.0%
591	Tag Validator	Hard	25.0%
596	Classes With at Least 5 Students	Easy	25.0%
626	Exchange Seats	Medium	25.0%
631	Design Excel Sum Formula	Hard	25.0%
654	Maximum Binary Tree Tree	Medium	25.0%
657	Robot Return to Origin	Easy	25.0%
678	Valid Parenthesis String String	Medium	25.0%
692	Top K Frequent Words Heap	Medium	25.0%
694	Number of Distinct Islands GraphMath	Medium	25.0%
695	Max Area of Island Graph	Medium	25.0%
698	Partition to K Equal Sum Subsets DP	Medium	25.0%
714	Best Time to Buy and Sell Stock with Transaction Fee	Medium	25.0%
724	Find Pivot Index	Easy	25.0%
740	Delete and Earn	Medium	25.0%
743	Network Delay Time Graph	Medium	25.0%
746	Min Cost Climbing Stairs	Easy	25.0%
752	Open the Lock	Medium	25.0%
428	Serialize and Deserialize N-ary Tree Tree	Hard	25.0%
763	Partition Labels DP	Medium	25.0%
769	Max Chunks To Make Sorted	Medium	25.0%
700	Search in a Binary Search Tree TreeBinary Search	Easy	25.0%
701	Insert into a Binary Search Tree TreeBinary Search	Medium	25.0%
703	Kth Largest Element in a Stream Heap	Easy	25.0%
785	Is Graph Bipartite? Graph	Medium	25.0%
787	Cheapest Flights Within K Stops Heap	Medium	25.0%
802	Find Eventual Safe States	Medium	25.0%
707	Design Linked List Linked List	Medium	25.0%
836	Rectangle Overlap	Easy	25.0%
841	Keys and Rooms	Medium	25.0%
853	Car Fleet	Medium	25.0%
862	Shortest Subarray with Sum at Least K Array	Hard	25.0%
867	Transpose Matrix Array	Easy	25.0%
528	Random Pick with Weight	Medium	25.0%
895	Maximum Frequency Stack Stack/Queue	Hard	25.0%
904	Fruit Into Baskets	Medium	25.0%
909	Snakes and Ladders	Medium	25.0%
930	Binary Subarrays With Sum Array	Medium	25.0%
931	Minimum Falling Path Sum	Medium	25.0%
934	Shortest Bridge	Medium	25.0%
962	Maximum Width Ramp	Medium	25.0%
968	Binary Tree Cameras Tree	Hard	25.0%
972	Equal Rational Numbers Math	Hard	25.0%
973	K Closest Points to Origin	Medium	25.0%
974	Subarray Sums Divisible by K Array	Medium	25.0%
977	Squares of a Sorted Array Array	Easy	25.0%
981	Time Based Key-Value Store	Medium	25.0%
1013	Partition Array Into Three Parts With Equal Sum ArrayDP	Easy	25.0%
1021	Remove Outermost Parentheses	Easy	25.0%
1047	Remove All Adjacent Duplicates In String String	Easy	25.0%
1051	Height Checker	Easy	25.0%
1053	Previous Permutation With One Swap	Medium	25.0%
1197	Minimum Knight Moves	Medium	25.0%
1198	Find Smallest Common Element in All Rows	Medium	25.0%
1091	Shortest Path in Binary Matrix Array	Medium	25.0%
1093	Statistics from a Large Sample	Medium	25.0%
1273	Delete Tree Nodes TreeLinked List	Medium	25.0%
1246	Palindrome Removal String	Hard	25.0%
1131	Maximum of Absolute Value Expression	Medium	25.0%
1146	Snapshot Array Array	Medium	25.0%
1382	Balance a Binary Search Tree TreeBinary Search	Medium	25.0%
1192	Critical Connections in a Network Graph	Hard	25.0%
1405	Longest Happy String String	Medium	25.0%
1207	Unique Number of Occurrences Math	Easy	25.0%
1209	Remove All Adjacent Duplicates in String II String	Medium	25.0%
1204	Last Person to Fit in the Bus	Medium	25.0%
1206	Design Skiplist	Hard	25.0%
2321	Maximum Score Of Spliced Array Array	Hard	25.0%
2216	Minimum Deletions to Make Array Beautiful Array	Medium	25.0%
2193	Minimum Number of Moves to Make Palindrome StringMath	Hard	25.0%
2309	Greatest English Letter in Upper and Lower Case	Easy	25.0%
1248	Count Number of Nice Subarrays ArrayMath	Medium	25.0%
1249	Minimum Remove to Make Valid Parentheses Stack/Queue	Medium	25.0%
1268	Search Suggestions System	Medium	25.0%
1369	Get the Second Most Recent Activity	Hard	25.0%
1431	Kids With the Greatest Number of Candies Math	Easy	25.0%
1417	Reformat The String String	Easy	25.0%
1438	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit Array	Medium	25.0%
1443	Minimum Time to Collect All Apples in a Tree Tree	Medium	25.0%
1458	Max Dot Product of Two Subsequences String	Hard	25.0%
1469	Find All The Lonely Nodes Linked List	Easy	25.0%
1474	Delete N Nodes After M Nodes of a Linked List Linked List	Easy	25.0%
1547	Minimum Cost to Cut a Stick	Hard	25.0%
1573	Number of Ways to Split a String StringMath	Medium	25.0%
1576	Replace All ?'s to Avoid Consecutive Repeating Characters	Easy	25.0%
1638	Count Substrings That Differ by One Character StringTree	Medium	25.0%
1631	Path With Minimum Effort	Medium	25.0%
1644	Lowest Common Ancestor of a Binary Tree II Tree	Medium	25.0%
1672	Richest Customer Wealth	Easy	25.0%
1681	Minimum Incompatibility	Hard	25.0%
1732	Find the Highest Altitude	Easy	25.0%
1781	Sum of Beauty of All Substrings StringTree	Medium	25.0%
1802	Maximum Value at a Given Index in a Bounded Array Array	Medium	25.0%
1808	Maximize Number of Nice Divisors Math	Hard	25.0%
1789	Primary Department for Each Employee	Easy	25.0%
1822	Sign of the Product of an Array Array	Easy	25.0%
1823	Find the Winner of the Circular Game	Medium	25.0%
1904	The Number of Full Rounds You Have Played Math	Medium	25.0%
2052	Minimum Cost to Separate Sentence Into Rows	Medium	25.0%
1952	Three Divisors	Easy	25.0%
1971	Find if Path Exists in Graph Graph	Easy	25.0%
2015	Average Height of Buildings in Each Segment	Medium	25.0%
2035	Partition Array Into Two Arrays to Minimize Sum Difference ArrayDP	Hard	25.0%
2095	Delete the Middle Node of a Linked List Linked List	Medium	25.0%
2104	Sum of Subarray Ranges Array	Medium	25.0%
2098	Subsequence of Size K With the Largest Even Sum String	Medium	25.0%
2124	Check if All A's Appears Before All B's	Easy	25.0%
2149	Rearrange Array Elements by Sign Array	Medium	25.0%
2208	Minimum Operations to Halve Array Sum Array	Medium	25.0%
2333	Minimum Sum of Squared Difference	Medium	25.0%
2339	All the Matches of the League	Easy	25.0%
2385	Amount of Time for Binary Tree to Be Infected Tree	Medium	25.0%
2391	Minimum Amount of Time to Collect Garbage	Medium	25.0%
2441	Largest Positive Integer That Exists With Its Negative Math	Easy	25.0%
2444	Count Subarrays With Fixed Bounds Array	Hard	25.0%
2450	Number of Distinct Binary Strings After Applying Operations StringMath	Medium	25.0%
2599	Make the Prefix Sum Non-negative	Medium	25.0%
2548	Maximum Price to Fill a Bag	Medium	25.0%
2620	Counter	Easy	25.0%
2704	To Be Or Not To Be	Easy	25.0%
2816	Double a Number Represented as a Linked List Linked ListMath	Medium	25.0%
2847	Smallest Number With Given Digit Product Math	Medium	25.0%
3002	Maximum Size of a Set After Removals	Medium	25.0%
2996	Smallest Missing Integer Greater Than Sequential Prefix Sum Math	Easy	25.0%
2998	Minimum Number of Operations to Make X and Y Equal Math	Medium	25.0%
3004	Maximum Subtree of the Same Color Tree	Medium	25.0%
3009	Maximum Number of Intersections on the Chart Math	Hard	25.0%
3038	Maximum Number of Operations With the Same Score I Math	Easy	25.0%
3134	Find the Median of the Uniqueness Array ArrayHeap	Hard	25.0%
3111	Minimum Rectangles to Cover Points	Medium	25.0%
3157	Find the Level of Tree with Minimum Sum Tree	Medium	25.0%
3212	Count Submatrices With Equal Frequency of X and Y	Medium	25.0%
389	Find the Difference	Easy	25.0%
1334	Find the City With the Smallest Number of Neighbors at a Threshold Distance Math	Medium	25.0%
132	Palindrome Partitioning II StringDP	Hard	25.0%
2401	Longest Nice Subarray Array	Medium	25.0%
3007	Maximum Number That Sum of the Prices Is Less Than or Equal to K Math	Medium	25.0%
1934	Confirmation Rate	Medium	25.0%
1633	Percentage of Users Attended a Contest	Easy	25.0%
359	Logger Rate Limiter	Easy	25.0%
1944	Number of Visible People in a Queue Stack/QueueMath	Hard	25.0%
511	Game Play Analysis I	Easy	25.0%
602	Friend Requests II: Who Has the Most Friends	Medium	25.0%
1910	Remove All Occurrences of a Substring StringTree	Medium	25.0%
1174	Immediate Food Delivery II	Medium	25.0%
620	Not Boring Movies	Easy	25.0%
815	Bus Routes	Hard	25.0%
263	Ugly Number Math	Easy	25.0%
177	Nth Highest Salary	Medium	25.0%
662	Maximum Width of Binary Tree Tree	Medium	25.0%
1164	Product Price at a Given Date	Medium	25.0%
2182	Construct String With Repeat Limit String	Medium	25.0%
436	Find Right Interval	Medium	25.0%
725	Split Linked List in Parts Linked List	Medium	25.0%
3169	Count Days Without Meetings	Medium	25.0%
1512	Number of Good Pairs Math	Easy	25.0%
241	Different Ways to Add Parentheses	Medium	25.0%
386	Lexicographical Numbers GraphMath	Medium	25.0%
684	Redundant Connection	Medium	25.0%
440	K-th Smallest in Lexicographical Order Graph	Hard	25.0%
1731	The Number of Employees Which Report to Each Employee Math	Easy	25.0%
550	Game Play Analysis IV	Medium	25.0%
2965	Find Missing and Repeated Values	Easy	25.0%
632	Smallest Range Covering Elements from K Lists	Hard	25.0%
2938	Separate Black and White Balls	Medium	25.0%
670	Maximum Swap	Medium	25.0%
771	Jewels and Stones	Easy	25.0%
986	Interval List Intersections	Medium	25.0%
60	Permutation Sequence	Hard	25.0%
304	Range Sum Query 2D - Immutable	Medium	25.0%
1046	Last Stone Weight	Easy	25.0%
1531	String Compression II String	Hard	25.0%
1683	Invalid Tweets	Easy	25.0%
3163	String Compression III String	Medium	25.0%
448	Find All Numbers Disappeared in an Array ArrayMath	Easy	25.0%
1008	Construct Binary Search Tree from Preorder Traversal TreeBinary Search	Medium	25.0%
2769	Find the Maximum Achievable Number Math	Easy	25.0%
1493	Longest Subarray of 1's After Deleting One Element Array	Medium	25.0%
1141	User Activity for the Past 30 Days I	Easy	25.0%
1861	Rotating the Box	Medium	25.0%
1975	Maximum Matrix Sum Array	Medium	25.0%
374	Guess Number Higher or Lower Math	Easy	25.0%
182	Duplicate Emails	Easy	25.0%
2054	Two Best Non-Overlapping Events	Medium	25.0%
1792	Maximum Average Pass Ratio	Medium	25.0%
220	Contains Duplicate III	Hard	25.0%
1901	Find a Peak Element II Binary Search	Medium	25.0%
317	Shortest Distance from All Buildings	Hard	25.0%
686	Repeated String Match String	Medium	25.0%
2402	Meeting Rooms III	Hard	25.0%
183	Customers Who Never Order	Easy	25.0%
164	Maximum Gap	Medium	25.0%
3393	Count Paths With the Given XOR Value	Medium	25.0%
916	Word Subsets	Medium	25.0%
480	Sliding Window Median Sliding WindowHeap	Hard	25.0%
324	Wiggle Sort II	Medium	25.0%
2017	Grid Game	Medium	25.0%
1267	Count Servers that Communicate	Medium	25.0%
404	Sum of Left Leaves	Easy	25.0%
585	Investments in 2016	Medium	25.0%
3105	Longest Strictly Increasing or Strictly Decreasing Subarray Array	Easy	25.0%
449	Serialize and Deserialize BST Tree	Medium	25.0%
1800	Maximum Ascending Subarray Sum Array	Easy	25.0%
1283	Find the Smallest Divisor Given a Threshold	Medium	25.0%
301	Remove Invalid Parentheses Stack/Queue	Hard	25.0%
1275	Find Winner on a Tic Tac Toe Game	Easy	25.0%
1020	Number of Enclaves Math	Medium	25.0%
1980	Find Unique Binary String String	Medium	25.0%
2161	Partition Array According to Given Pivot ArrayDP	Medium	25.0%
1351	Count Negative Numbers in a Sorted Matrix ArrayMath	Easy	25.0%
844	Backspace String Compare String	Easy	25.0%
1048	Longest String Chain String	Medium	25.0%
372	Super Pow Math	Medium	25.0%
3477	Fruits Into Baskets II	Easy	25.0%
2226	Maximum Candies Allocated to K Children	Medium	25.0%
2560	House Robber IV	Medium	25.0%
713	Subarray Product Less Than K Array	Medium	25.0%
3487	Maximum Unique Subarray Sum After Deletion Array	Easy	25.0%
1277	Count Square Submatrices with All Ones	Medium	25.0%
3191	Minimum Operations to Make Binary Array Elements Equal to One I Array	Medium	25.0%
1834	Single-Threaded CPU	Medium	25.0%
2623	Memoize	Medium	25.0%
228	Summary Ranges	Easy	25.0%
1863	Sum of All Subset XOR Totals	Easy	25.0%
1456	Maximum Number of Vowels in a Substring of Given Length StringTreeMath	Medium	25.0%
190	Reverse Bits	Easy	25.0%
898	Bitwise ORs of Subarrays Array	Medium	25.0%
611	Valid Triangle Number Math	Medium	25.0%
417	Pacific Atlantic Water Flow	Medium	25.0%
2296	Design a Text Editor	Hard	25.0%
3403	Find the Lexicographically Largest String From the Box I StringGraph	Medium	25.0%
3442	Maximum Difference Between Even and Odd Frequency I	Easy	25.0%
3445	Maximum Difference Between Even and Odd Frequency II	Hard	25.0%
3443	Maximum Manhattan Distance After K Changes	Medium	25.0%
2040	Kth Smallest Product of Two Sorted Arrays Array	Hard	25.0%
1526	Minimum Number of Increments on Subarrays to Form a Target Array ArrayMath	Hard	25.0%
2561	Rearranging Fruits	Hard	25.0%
196	Delete Duplicate Emails	Easy	25.0%
2861	Maximum Number of Alloys Math	Medium	25.0%
1413	Minimum Value to Get Positive Step by Step Sum	Easy	25.0%
1535	Find the Winner of an Array Game Array	Medium	25.0%
504	Base 7	Easy	25.0%
1200	Minimum Absolute Difference	Easy	25.0%
586	Customer Placing the Largest Number of Orders Math	Easy	25.0%
507	Perfect Number Math	Easy	25.0%
869	Reordered Power of 2 Math	Medium	25.0%
1211	Queries Quality and Percentage	Easy	25.0%
848	Shifting Letters	Medium	25.0%
837	New 21 Game	Medium	25.0%
679	24 Game	Hard	25.0%
2472	Maximum Number of Non-overlapping Palindrome Substrings StringTreeMath	Hard	25.0%
779	K-th Symbol in Grammar	Medium	25.0%
3229	Minimum Operations to Make Array Equal to Target Array	Hard	25.0%
1317	Convert Integer to the Sum of Two No-Zero Integers Math	Easy	25.0%
966	Vowel Spellchecker	Medium	25.0%
3688	Bitwise OR of Even Numbers in an Array ArrayMath	Easy	25.0%
3648	Minimum Sensors to Cover Grid	Medium	25.0%
1665	Minimum Initial Energy to Finish Tasks	Hard	25.0%
2954	Count the Number of Infection Sequences Math	Hard	25.0%
1202	Smallest String With Swaps String	Medium	25.0%
2680	Maximum OR	Medium	25.0%
829	Consecutive Numbers Sum Math	Hard	25.0%
1347	Minimum Number of Steps to Make Two Strings Anagram StringMath	Medium	25.0%
1716	Calculate Money in Leetcode Bank	Easy	25.0%
3728	Stable Subarrays With Equal Boundary and Interior Sum Array	Medium	25.0%
1502	Can Make Arithmetic Progression From Sequence	Easy	25.0%
980	Unique Paths III	Hard	25.0%
3772	Maximum Subgraph Score in a Tree TreeGraph	Hard	25.0%
1365	How Many Numbers Are Smaller Than the Current Number Math	Easy	25.0%
3507	Minimum Pair Removal to Sort Array I Array	Easy	25.0%
1356	Sort Integers by The Number of 1 Bits Math	Easy	25.0%
3878	Count Good Subarrays Array	Hard	25.0%
1674	Minimum Moves to Make Array Complementary Array	Medium	25.0%
3737	Count Subarrays With Majority Element I Array	Medium	25.0%
3754	Concatenate Non-Zero Digits and Multiply by Sum I Math	Easy	25.0%
95	Unique Binary Search Trees II TreeBinary Search	Medium	12.5%
96	Unique Binary Search Trees TreeBinary Search	Medium	12.5%
109	Convert Sorted List to Binary Search Tree TreeBinary Search	Medium	12.5%
145	Binary Tree Postorder Traversal Tree	Easy	12.5%
147	Insertion Sort List	Medium	12.5%
260	Single Number III Math	Medium	12.5%
261	Graph Valid Tree TreeGraph	Medium	12.5%
266	Palindrome Permutation String	Easy	12.5%
310	Minimum Height Trees Tree	Medium	12.5%
319	Bulb Switcher	Medium	12.5%
325	Maximum Size Subarray Sum Equals k Array	Medium	12.5%
341	Flatten Nested List Iterator	Medium	12.5%
342	Power of Four Math	Easy	12.5%
343	Integer Break Math	Medium	12.5%
384	Shuffle an Array Array	Medium	12.5%
400	Nth Digit Math	Medium	12.5%
414	Third Maximum Number Math	Easy	12.5%
420	Strong Password Checker	Hard	12.5%
421	Maximum XOR of Two Numbers in an Array ArrayMath	Medium	12.5%
433	Minimum Genetic Mutation	Medium	12.5%
456	132 Pattern	Medium	12.5%
462	Minimum Moves to Equal Array Elements II Array	Medium	12.5%
465	Optimal Account Balancing	Hard	12.5%
486	Predict the Winner	Medium	12.5%
515	Find Largest Value in Each Tree Row Tree	Medium	12.5%
535	Encode and Decode TinyURL	Medium	12.5%
557	Reverse Words in a String III String	Easy	12.5%
628	Maximum Product of Three Numbers Math	Easy	12.5%
633	Sum of Square Numbers Math	Medium	12.5%
648	Replace Words	Medium	12.5%
652	Find Duplicate Subtrees Tree	Medium	12.5%
661	Image Smoother	Easy	12.5%
718	Maximum Length of Repeated Subarray Array	Medium	12.5%
741	Cherry Pickup	Hard	12.5%
426	Convert Binary Search Tree to Sorted Doubly Linked List TreeLinked ListBinary Search	Medium	12.5%
778	Swim in Rising Water	Hard	12.5%
784	Letter Case Permutation	Medium	12.5%
790	Domino and Tromino Tiling	Medium	12.5%
791	Custom Sort String String	Medium	12.5%
819	Most Common Word	Easy	12.5%
828	Count Unique Characters of All Substrings of a Given String StringTree	Hard	12.5%
834	Sum of Distances in Tree Tree	Hard	12.5%
489	Robot Room Cleaner	Hard	12.5%
846	Hand of Straights	Medium	12.5%
857	Minimum Cost to Hire K Workers	Hard	12.5%
881	Boats to Save People	Medium	12.5%
894	All Possible Full Binary Trees Tree	Medium	12.5%
905	Sort Array By Parity Array	Easy	12.5%
918	Maximum Sum Circular Subarray Array	Medium	12.5%
921	Minimum Add to Make Parentheses Valid	Medium	12.5%
938	Range Sum of BST Tree	Easy	12.5%
947	Most Stones Removed with Same Row or Column	Medium	12.5%
949	Largest Time for Given Digits Math	Medium	12.5%
950	Reveal Cards In Increasing Order	Medium	12.5%
956	Tallest Billboard	Hard	12.5%
979	Distribute Coins in Binary Tree Tree	Medium	12.5%
993	Cousins in Binary Tree Tree	Easy	12.5%
997	Find the Town Judge	Easy	12.5%
1002	Find Common Characters	Easy	12.5%
1007	Minimum Domino Rotations For Equal Row	Medium	12.5%
1035	Uncrossed Lines	Medium	12.5%
1166	Design File System	Medium	12.5%
1070	Product Sales Analysis III	Medium	12.5%
1106	Parsing A Boolean Expression	Hard	12.5%
1361	Validate Binary Tree Nodes TreeLinked List	Medium	12.5%
1239	Maximum Length of a Concatenated String with Unique Characters String	Medium	12.5%
1254	Number of Closed Islands GraphMath	Medium	12.5%
1290	Convert Binary Number in a Linked List to Integer Linked ListMath	Easy	12.5%
1342	Number of Steps to Reduce a Number to Zero Math	Easy	12.5%
1372	Longest ZigZag Path in a Binary Tree Tree	Medium	12.5%
1376	Time Needed to Inform All Employees	Medium	12.5%
1404	Number of Steps to Reduce a Number in Binary Representation to One Math	Medium	12.5%
1472	Design Browser History	Medium	12.5%
1492	The kth Factor of n	Medium	12.5%
1557	Minimum Number of Vertices to Reach All Nodes Linked ListMath	Medium	12.5%
1545	Find Kth Bit in Nth Binary String String	Medium	12.5%
1584	Min Cost to Connect All Points	Medium	12.5%
1570	Dot Product of Two Sparse Vectors	Medium	12.5%
1636	Sort Array by Increasing Frequency Array	Easy	12.5%
1669	Merge In Between Linked Lists Linked List	Medium	12.5%
1679	Max Number of K-Sum Pairs Math	Medium	12.5%
1723	Find Minimum Time to Finish All Jobs	Hard	12.5%
1751	Maximum Number of Events That Can Be Attended II Math	Hard	12.5%
1762	Buildings With an Ocean View	Medium	12.5%
1884	Egg Drop With 2 Eggs and N Floors	Medium	12.5%
1942	The Number of the Smallest Unoccupied Chair Math	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%
2130	Maximum Twin Sum of a Linked List Linked List	Medium	12.5%
2220	Minimum Bit Flips to Convert Number Math	Easy	12.5%
2239	Find Closest Number to Zero Math	Easy	12.5%
2236	Root Equals Sum of Children	Easy	12.5%
2332	The Latest Time to Catch a Bus	Medium	12.5%
2352	Equal Row and Column Pairs	Medium	12.5%
2342	Max Sum of a Pair With Equal Sum of Digits Math	Medium	12.5%
2461	Maximum Sum of Distinct Subarrays With Length K Array	Medium	12.5%
2498	Frog Jump II	Medium	12.5%
2542	Maximum Subsequence Score String	Medium	12.5%
2616	Minimize the Maximum Difference of Pairs	Medium	12.5%
2745	Construct the Longest New String String	Medium	12.5%
2723	Add Two Promises	Easy	12.5%
2850	Minimum Moves to Spread Stones Over Grid	Medium	12.5%
2942	Find Words Containing Character	Easy	12.5%
2962	Count Subarrays Where Max Element Appears at Least K Times Array	Medium	12.5%
3110	Score of a String String	Easy	12.5%
3121	Count the Number of Special Characters II Math	Medium	12.5%
3197	Find the Minimum Area to Cover All Ones II	Hard	12.5%
1244	Design A Leaderboard	Medium	12.5%
3024	Type of Triangle	Easy	12.5%
745	Prefix and Suffix Search	Hard	12.5%
2976	Minimum Cost to Convert String I String	Medium	12.5%
3234	Count the Number of Substrings With Dominant Ones StringTreeMath	Medium	12.5%
259	3Sum Smaller	Medium	12.5%
1460	Make Two Arrays Equal by Reversing Subarrays Array	Easy	12.5%
3099	Harshad Number Math	Easy	12.5%
1865	Finding Pairs With a Certain Sum	Medium	12.5%
847	Shortest Path Visiting All Nodes Linked List	Hard	12.5%
885	Spiral Matrix III Array	Medium	12.5%
872	Leaf-Similar Trees Tree	Easy	12.5%
840	Magic Squares In Grid	Medium	12.5%
959	Regions Cut By Slashes	Medium	12.5%
915	Partition Array into Disjoint Intervals ArrayDP	Medium	12.5%
860	Lemonade Change	Easy	12.5%
624	Maximum Distance in Arrays Array	Medium	12.5%
887	Super Egg Drop	Hard	12.5%
1932	Merge BSTs to Create Single BST Tree	Hard	12.5%
1937	Maximum Number of Points with Cost Math	Medium	12.5%
3259	Maximum Energy Boost From Two Drinks	Medium	12.5%
664	Strange Printer	Hard	12.5%
1717	Maximum Score From Removing Substrings StringTree	Medium	12.5%
2645	Minimum Additions to Make Valid String String	Medium	12.5%
1514	Path with Maximum Probability	Medium	12.5%
2326	Spiral Matrix IV Array	Medium	12.5%
2807	Insert Greatest Common Divisors in Linked List Linked List	Medium	12.5%
243	Shortest Word Distance	Easy	12.5%
1654	Minimum Jumps to Reach Home	Medium	12.5%
483	Smallest Good Base	Hard	12.5%
941	Valid Mountain Array Array	Easy	12.5%
1608	Special Array With X Elements Greater Than or Equal X Array	Easy	12.5%
1688	Count of Matches in Tournament	Easy	12.5%
3043	Find the Length of the Longest Common Prefix DP	Medium	12.5%
814	Binary Tree Pruning Tree	Medium	12.5%
500	Keyboard Row	Easy	12.5%
1381	Design a Stack With Increment Operation Stack/Queue	Medium	12.5%
1614	Maximum Nesting Depth of the Parentheses	Easy	12.5%
1497	Check If Array Pairs Are Divisible by k Array	Medium	12.5%
459	Repeated Substring Pattern StringTree	Easy	12.5%
1331	Rank Transform of an Array Array	Easy	12.5%
1590	Make Sum Divisible by P	Medium	12.5%
2598	Smallest Missing Non-negative Integer After Operations Math	Medium	12.5%
2491	Divide Players Into Teams of Equal Skill	Medium	12.5%
825	Friends Of Appropriate Ages	Medium	12.5%
1963	Minimum Number of Swaps to Make the String Balanced StringMath	Medium	12.5%
744	Find Smallest Letter Greater Than Target	Easy	12.5%
2619	Array Prototype Last Array	Easy	12.5%
2390	Removing Stars From a String String	Medium	12.5%
2044	Count Number of Maximum Bitwise-OR Subsets Math	Medium	12.5%
1593	Split a String Into the Max Number of Unique Substrings StringTreeMath	Medium	12.5%
470	Implement Rand10() Using Rand7()	Medium	12.5%
2583	Kth Largest Sum in a Binary Tree TreeHeap	Medium	12.5%
429	N-ary Tree Level Order Traversal Tree	Medium	12.5%
1233	Remove Sub-Folders from the Filesystem	Medium	12.5%
1252	Cells with Odd Values in a Matrix Array	Easy	12.5%
2501	Longest Square Streak in an Array Array	Medium	12.5%
1804	Implement Trie II (Prefix Tree) Tree	Medium	12.5%
2463	Minimum Total Distance Traveled	Hard	12.5%
690	Employee Importance	Medium	12.5%
3011	Find if Array Can Be Sorted Array	Medium	12.5%
801	Minimum Swaps To Make Sequences Increasing	Hard	12.5%
3097	Shortest Subarray With OR at Least K II Array	Medium	12.5%
286	Walls and Gates	Medium	12.5%
2601	Prime Subtraction Operation Math	Medium	12.5%
3211	Generate Binary Strings Without Adjacent Zeros String	Medium	12.5%
1957	Delete Characters to Make Fancy String String	Easy	12.5%
719	Find K-th Smallest Pair Distance	Hard	12.5%
1652	Defuse the Bomb	Easy	12.5%
1072	Flip Columns For Maximum Number of Equal Rows Math	Medium	12.5%
1327	List the Products Ordered in a Period	Easy	12.5%
3243	Shortest Distance After Road Addition Queries I	Medium	12.5%
1179	Reformat Department Table	Easy	12.5%
2577	Minimum Time to Visit a Cell In a Grid	Hard	12.5%
1455	Check If a Word Occurs As a Prefix of Any Word in a Sentence	Easy	12.5%
1346	Check If N and Its Double Exist	Easy	12.5%
2165	Smallest Value of the Rearranged Number Math	Medium	12.5%
1667	Fix Names in a Table	Easy	12.5%
2337	Move Pieces to Obtain a String String	Medium	12.5%
2483	Minimum Penalty for a Shop	Medium	12.5%
2210	Count Hills and Valleys in an Array Array	Easy	12.5%
2061	Number of Spaces Cleaning Robot Cleaned Math	Medium	12.5%
3152	Special Array II Array	Medium	12.5%
682	Baseball Game	Easy	12.5%
2981	Find Longest Special Substring That Occurs Thrice I StringTree	Medium	12.5%
629	K Inverse Pairs Array Array	Hard	12.5%
291	Word Pattern II	Medium	12.5%
3264	Final Array State After K Multiplication Operations I Array	Easy	12.5%
1373	Maximum Sum BST in Binary Tree Tree	Hard	12.5%
1839	Longest Substring Of All Vowels in Order StringTree	Medium	12.5%
1229	Meeting Scheduler	Medium	12.5%
2824	Count Pairs Whose Sum is Less than Target	Easy	12.5%
689	Maximum Sum of 3 Non-Overlapping Subarrays Array	Hard	12.5%
481	Magical String String	Medium	12.5%
1657	Determine if Two Strings Are Close String	Medium	12.5%
453	Minimum Moves to Equal Array Elements Array	Medium	12.5%
2970	Count the Number of Incremovable Subarrays I ArrayMath	Easy	12.5%
1401	Circle and Rectangle Overlapping	Medium	12.5%
2559	Count Vowel Strings in Ranges String	Medium	12.5%
2270	Number of Ways to Split Array ArrayMath	Medium	12.5%
1930	Unique Length-3 Palindromic Subsequences String	Medium	12.5%
1408	String Matching in an Array ArrayString	Easy	12.5%
2185	Counting Words With a Given Prefix	Easy	12.5%
1400	Construct K Palindrome Strings String	Medium	12.5%
1926	Nearest Exit from Entrance in Maze	Medium	12.5%
1169	Invalid Transactions	Medium	12.5%
3420	Count Non-Decreasing Subarrays After K Operations Array	Hard	12.5%
2657	Find the Prefix Common Array of Two Arrays Array	Medium	12.5%
2429	Minimize XOR	Medium	12.5%
541	Reverse String II String	Easy	12.5%
1729	Find Followers Count	Easy	12.5%
627	Swap Sex of Employees	Easy	12.5%
1321	Restaurant Growth	Medium	12.5%
1462	Course Schedule IV	Medium	12.5%
2658	Maximum Number of Fish in a Grid Math	Medium	12.5%
1769	Minimum Number of Operations to Move All Balls to Each Box Math	Medium	12.5%
2493	Divide Nodes Into the Maximum Number of Groups Linked ListMath	Hard	12.5%
3151	Special Array I Array	Easy	12.5%
851	Loud and Rich	Medium	12.5%
583	Delete Operation for Two Strings String	Medium	12.5%
1790	Check if One String Swap Can Make Strings Equal String	Easy	12.5%
1034	Coloring A Border	Medium	12.5%
1726	Tuple with Same Product	Medium	12.5%
2109	Adding Spaces to a String String	Medium	12.5%
520	Detect Capital	Easy	12.5%
1075	Project Employees I	Easy	12.5%
1043	Partition Array for Maximum Sum ArrayDP	Medium	12.5%
1352	Product of the Last K Numbers Math	Medium	12.5%
1718	Construct the Lexicographically Largest Valid Sequence Graph	Medium	12.5%
3348	Smallest Divisible Digit Product II Math	Hard	12.5%
65	Valid Number Math	Hard	12.5%
946	Validate Stack Sequences Stack/Queue	Medium	12.5%
3462	Maximum Sum With at Most K Elements	Medium	12.5%
1524	Number of Sub-arrays With Odd Sum ArrayMath	Medium	12.5%
873	Length of Longest Fibonacci Subsequence StringDP	Medium	12.5%
532	K-diff Pairs in an Array Array	Medium	12.5%
889	Construct Binary Tree from Preorder and Postorder Traversal Tree	Medium	12.5%
1749	Maximum Absolute Sum of Any Subarray Array	Medium	12.5%
1028	Recover a Tree From Preorder Traversal Tree	Hard	12.5%
2579	Count Total Number of Colored Cells Math	Medium	12.5%
2523	Closest Prime Numbers in Range Math	Medium	12.5%
3208	Alternating Groups II	Medium	12.5%
1824	Minimum Sideway Jumps	Medium	12.5%
610	Triangle Judgement	Easy	12.5%
2134	Minimum Swaps to Group All 1's Together II	Medium	12.5%
2529	Maximum Count of Positive Integer and Negative Integer Math	Easy	12.5%
1886	Determine Whether Matrix Can Be Obtained By Rotation Array	Easy	12.5%
89	Gray Code	Medium	12.5%
3108	Minimum Cost Walk in Weighted Graph Graph	Hard	12.5%
2594	Minimum Time to Repair Cars	Medium	12.5%
2685	Count the Number of Complete Components Math	Medium	12.5%
845	Longest Mountain in Array Array	Medium	12.5%
2033	Minimum Operations to Make a Uni-Value Grid	Medium	12.5%
2780	Minimum Index of a Valid Split	Medium	12.5%
637	Average of Levels in Binary Tree Tree	Easy	12.5%
2874	Maximum Value of an Ordered Triplet II	Medium	12.5%
1907	Count Salary Categories	Medium	12.5%
1129	Shortest Path with Alternating Colors	Medium	12.5%
3217	Delete Nodes From Linked List Present in Array ArrayLinked List	Medium	12.5%
3396	Minimum Number of Operations to Make Elements in Array Distinct ArrayMath	Easy	12.5%
1049	Last Stone Weight II	Medium	12.5%
3375	Minimum Operations to Make Array Values Equal to K Array	Easy	12.5%
2843	Count Symmetric Integers Math	Easy	12.5%
2487	Remove Nodes From Linked List Linked List	Medium	12.5%
2537	Count the Number of Good Subarrays ArrayMath	Medium	12.5%
2481	Minimum Cuts to Divide a Circle	Easy	12.5%
2176	Count Equal and Divisible Pairs in an Array Array	Easy	12.5%
2563	Count the Number of Fair Pairs Math	Medium	12.5%
781	Rabbits in Forest	Medium	12.5%
2064	Minimized Maximum of Products Distributed to Any Store	Medium	12.5%
2462	Total Cost to Hire K Workers	Medium	12.5%
2338	Count the Number of Ideal Arrays ArrayMath	Hard	12.5%
983	Minimum Cost For Tickets	Medium	12.5%
2845	Count of Interesting Subarrays Array	Medium	12.5%
3517	Smallest Palindromic Rearrangement I	Medium	12.5%
2302	Count Subarrays With Score Less Than K Array	Hard	12.5%
636	Exclusive Time of Functions	Medium	12.5%
1295	Find Numbers with Even Number of Digits Math	Easy	12.5%
838	Push Dominoes	Medium	12.5%
201	Bitwise AND of Numbers Range Math	Medium	12.5%
1920	Build Array from Permutation Array	Easy	12.5%
1461	Check If a String Contains All Binary Codes of Size K String	Medium	12.5%
1903	Largest Odd Number in String StringMath	Easy	12.5%
617	Merge Two Binary Trees Tree	Easy	12.5%
2140	Solving Questions With Brainpower Math	Medium	12.5%
2336	Smallest Number in Infinite Set Math	Medium	12.5%
2094	Finding 3-Digit Even Numbers Math	Easy	12.5%
3392	Count Subarrays of Length Three With a Condition Array	Easy	12.5%
1664	Ways to Make a Fair Array Array	Medium	12.5%
1931	Painting a Grid With Three Different Colors	Hard	12.5%
3355	Zero Array Transformation I Array	Medium	12.5%
780	Reaching Points	Hard	12.5%
922	Sort Array By Parity II Array	Easy	12.5%
3362	Zero Array Transformation III Array	Medium	12.5%
2006	Count Number of Pairs With Absolute Difference K Math	Easy	12.5%
2131	Longest Palindrome by Concatenating Two Letter Words String	Medium	12.5%
2762	Continuous Subarrays Array	Medium	12.5%
2101	Detonate the Maximum Bombs	Medium	12.5%
434	Number of Segments in a String StringMath	Easy	12.5%
1217	Minimum Cost to Move Chips to The Same Position	Easy	12.5%
1976	Number of Ways to Arrive at Destination Math	Medium	12.5%
1219	Path with Maximum Gold	Medium	12.5%
1050	Actors and Directors Who Cooperated At Least Three Times	Easy	12.5%
3170	Lexicographically Minimum String After Removing Stars StringGraph	Medium	12.5%
2009	Minimum Number of Operations to Make Array Continuous ArrayMath	Hard	12.5%
874	Walking Robot Simulation	Medium	12.5%
3576	Transform Array to All Equal Elements Array	Medium	12.5%
1859	Sorting the Sentence	Easy	12.5%
2618	Check if Object Instance of Class	Medium	12.5%
3434	Maximum Frequency After Subarray Operation Array	Medium	12.5%
3423	Maximum Difference Between Adjacent Elements in a Circular Array Array	Easy	12.5%
933	Number of Recent Calls Math	Easy	12.5%
951	Flip Equivalent Binary Trees Tree	Medium	12.5%
1319	Number of Operations to Make Network Connected GraphMath	Medium	12.5%
2966	Divide Array Into Arrays With Max Difference Array	Medium	12.5%
1696	Jump Game VI	Medium	12.5%
2114	Maximum Number of Words Found in Sentences Math	Easy	12.5%
1721	Swapping Nodes in a Linked List Linked List	Medium	12.5%
2081	Sum of k-Mirror Numbers Math	Hard	12.5%
538	Convert BST to Greater Tree Tree	Medium	12.5%
958	Check Completeness of a Binary Tree Tree	Medium	12.5%
1094	Car Pooling	Medium	12.5%
1498	Number of Subsequences That Satisfy the Given Sum Condition StringMath	Medium	12.5%
1572	Matrix Diagonal Sum Array	Easy	12.5%
3333	Find the Original Typed String II String	Hard	12.5%
3304	Find the K-th Character in String Game I String	Easy	12.5%
381	Insert Delete GetRandom O(1) - Duplicates allowed	Hard	12.5%
3330	Find the Original Typed String I String	Easy	12.5%
1760	Minimum Limit of Balls in a Bag	Medium	12.5%
3440	Reschedule Meetings for Maximum Free Time II	Medium	12.5%
754	Reach a Number Math	Medium	12.5%
1529	Minimum Suffix Flips	Medium	12.5%
2266	Count Number of Texts Math	Medium	12.5%
1392	Longest Happy Prefix	Hard	12.5%
3201	Find the Maximum Length of Valid Subsequence I String	Medium	12.5%
3202	Find the Maximum Length of Valid Subsequence II String	Medium	12.5%
2163	Minimum Difference in Sums After Removal of Elements	Hard	12.5%
1948	Delete Duplicate Folders in System	Hard	12.5%
1695	Maximum Erasure Value	Medium	12.5%
2322	Minimum Score After Removals on a Tree Tree	Hard	12.5%
2448	Minimum Cost to Make Array Equal Array	Hard	12.5%
821	Shortest Distance to a Character	Easy	12.5%
1337	The K Weakest Rows in a Matrix Array	Easy	12.5%
3480	Maximize Subarrays After Removing One Conflicting Pair Array	Hard	12.5%
2433	Find The Original Array of Prefix Xor Array	Medium	12.5%
843	Guess the Word	Hard	12.5%
2411	Smallest Subarrays With Maximum Bitwise OR Array	Medium	12.5%
2570	Merge Two 2D Arrays by Summing Values Array	Easy	12.5%
2419	Longest Subarray With Maximum Bitwise AND Array	Medium	12.5%
2592	Maximize Greatness of an Array Array	Medium	12.5%
2106	Maximum Fruits Harvested After at Most K Steps	Hard	12.5%
3479	Fruits Into Baskets III	Medium	12.5%
1025	Divisor Game	Easy	12.5%
913	Cat and Mouse	Hard	12.5%
1402	Reducing Dishes	Hard	12.5%
2787	Ways to Express an Integer as Sum of Powers Math	Medium	12.5%
1385	Find the Distance Value Between Two Arrays Array	Easy	12.5%
1323	Maximum 69 Number Math	Easy	12.5%
1109	Corporate Flight Bookings	Medium	12.5%
1089	Duplicate Zeros	Easy	12.5%
353	Design Snake Game	Medium	12.5%
2348	Number of Zero-Filled Subarrays ArrayMath	Medium	12.5%
2328	Number of Increasing Paths in a Grid Math	Hard	12.5%
332	Reconstruct Itinerary	Hard	12.5%
1163	Last Substring in Lexicographical Order StringTreeGraph	Hard	12.5%
1247	Minimum Swaps to Make Strings Equal String	Medium	12.5%
1287	Element Appearing More Than 25% In Sorted Array Array	Easy	12.5%
3459	Length of Longest V-Shaped Diagonal Segment	Hard	12.5%
2364	Count Number of Bad Pairs Math	Medium	12.5%
3144	Minimum Substring Partition of Equal Character Frequency StringDPTree	Medium	12.5%
1162	As Far from Land as Possible	Medium	12.5%
3021	Alice and Bob Playing Flower Game	Medium	12.5%
561	Array Partition ArrayDP	Easy	12.5%
3665	Twisted Mirror Path Count	Medium	12.5%
697	Degree of an Array Array	Easy	12.5%
2626	Array Reduce Transformation Array	Easy	12.5%
2300	Successful Pairs of Spells and Potions	Medium	12.5%
924	Minimize Malware Spread	Hard	12.5%
917	Reverse Only Letters	Easy	12.5%
166	Fraction to Recurring Decimal	Medium	12.5%
192	Word Frequency	Medium	12.5%
1451	Rearrange Words in a Sentence	Medium	12.5%
2327	Number of People Aware of a Secret Math	Medium	12.5%
2785	Sort Vowels in a String String	Medium	12.5%
582	Kill Process	Medium	12.5%
1935	Maximum Number of Words You Can Type Math	Easy	12.5%
2353	Design a Food Rating System	Medium	12.5%
3408	Design Task Manager	Medium	12.5%
3484	Design Spreadsheet	Medium	12.5%
3508	Implement Router	Medium	12.5%
430	Flatten a Multilevel Doubly Linked List Linked List	Medium	12.5%
2000	Reverse Prefix of Word	Easy	12.5%
1995	Count Special Quadruplets	Easy	12.5%
3005	Count Elements With Maximum Frequency	Easy	12.5%
2551	Put Marbles in Bags	Hard	12.5%
1041	Robot Bounded In Circle	Medium	12.5%
546	Remove Boxes	Hard	12.5%
2022	Convert 1D Array Into 2D Array Array	Easy	12.5%
1039	Minimum Score Triangulation of Polygon	Medium	12.5%
2221	Find Triangular Sum of an Array Array	Medium	12.5%
1245	Tree Diameter Tree	Medium	12.5%
256	Paint House	Medium	12.5%
1832	Check if the Sentence Is Pangram	Easy	12.5%
2914	Minimum Number of Changes to Make Binary String Beautiful StringMath	Medium	12.5%
1341	Movie Rating	Medium	12.5%
3494	Find the Minimum Amount of Time to Brew Potions	Medium	12.5%
2320	Count Number of Ways to Place Houses Math	Medium	12.5%
1537	Get the Maximum Score	Hard	12.5%
313	Super Ugly Number Math	Medium	12.5%
991	Broken Calculator	Medium	12.5%
2273	Find Resultant Array After Removing Anagrams ArrayString	Easy	12.5%
3349	Adjacent Increasing Subarrays Detection I Array	Easy	12.5%
3195	Find the Minimum Area to Cover All Ones I	Medium	12.5%
600	Non-negative Integers without Consecutive Ones Math	Hard	12.5%
2316	Count Unreachable Pairs of Nodes in an Undirected Graph GraphLinked List	Medium	12.5%
1226	The Dining Philosophers	Medium	12.5%
2550	Count Collisions of Monkeys on a Polygon	Medium	12.5%
1095	Find in Mountain Array Array	Hard	12.5%
811	Subdomain Visit Count	Medium	12.5%
309	Best Time to Buy and Sell Stock with Cooldown	Medium	12.5%
3461	Check If Digits Are Equal in String After Operations I StringMath	Easy	12.5%
1845	Seat Reservation Manager	Medium	12.5%
2048	Next Greater Numerically Balanced Number Math	Medium	12.5%
1186	Maximum Subarray Sum with One Deletion Array	Medium	12.5%
3035	Maximum Palindromes After Operations String	Medium	12.5%
858	Mirror Reflection	Medium	12.5%
2370	Longest Ideal Subsequence String	Medium	12.5%
2908	Minimum Sum of Mountain Triplets I	Easy	12.5%
3354	Make Array Elements Equal to Zero Array	Easy	12.5%
773	Sliding Puzzle	Hard	12.5%
3370	Smallest Number With All Set Bits Math	Easy	12.5%
1297	Maximum Number of Occurrences of a Substring StringTreeMath	Medium	12.5%
3289	The Two Sneaky Numbers of Digitville Math	Easy	12.5%
307	Range Sum Query - Mutable	Medium	12.5%
2257	Count Unguarded Cells in the Grid	Medium	12.5%
3318	Find X-Sum of All K-Long Subarrays I Array	Easy	12.5%
3607	Power Grid Maintenance Math	Medium	12.5%
3446	Sort Matrix by Diagonals Array	Medium	12.5%
2062	Count Vowel Substrings of a String StringTree	Easy	12.5%
3593	Minimum Increments to Equalize Leaf Paths	Medium	12.5%
2164	Sort Even and Odd Indices Independently	Easy	12.5%
609	Find Duplicate File in System	Medium	12.5%
2880	Select Data	Easy	12.5%
902	Numbers At Most N Given Digit Set Math	Hard	12.5%
296	Best Meeting Point	Hard	12.5%
757	Set Intersection Size At Least Two	Hard	12.5%
1079	Letter Tile Possibilities	Medium	12.5%
1236	Web Crawler	Medium	12.5%
799	Champagne Tower	Medium	12.5%
1262	Greatest Sum Divisible by Three	Medium	12.5%
709	To Lower Case	Easy	12.5%
1015	Smallest Integer Divisible by K Math	Medium	12.5%
2466	Count Ways To Build Good Strings String	Medium	12.5%
2435	Paths in Matrix Whose Sum Is Divisible by K Array	Hard	12.5%
2872	Maximum Number of K-Divisible Components Math	Hard	12.5%
3512	Minimum Operations to Make Array Sum Divisible by K Array	Easy	12.5%
1325	Delete Leaves With a Given Value	Medium	12.5%
336	Palindrome Pairs String	Hard	12.5%
3432	Count Partitions with Even Sum Difference DP	Easy	12.5%
3306	Count of Substrings Containing Every Vowel and K Consonants II StringTree	Medium	12.5%
1309	Decrypt String from Alphabet to Integer Mapping StringMath	Easy	12.5%
3578	Count Partitions With Max-Min Difference at Most K DP	Medium	12.5%
1018	Binary Prefix Divisible By 5	Easy	12.5%
3433	Count Mentions Per User	Medium	12.5%
1250	Check If It Is a Good Array Array	Hard	12.5%
529	Minesweeper	Medium	12.5%
2110	Number of Smooth Descent Periods of a Stock Math	Medium	12.5%
2147	Number of Ways to Divide a Long Corridor Math	Hard	12.5%
1188	Design Bounded Blocking Queue Stack/Queue	Medium	12.5%
3652	Best Time to Buy and Sell Stock using Strategy	Medium	12.5%
1463	Cherry Pickup II	Hard	12.5%
1185	Day of the Week	Easy	12.5%
3075	Maximize Happiness of Selected Children	Medium	12.5%
2011	Final Value of Variable After Performing Operations	Easy	12.5%
3658	GCD of Odd and Even Sums	Easy	12.5%
3193	Count the Number of Inversions Math	Hard	12.5%
1966	Binary Searchable Numbers in an Unsorted Array ArrayBinary SearchMath	Medium	12.5%
2439	Minimize Maximum of Array Array	Medium	12.5%
1411	Number of Ways to Paint N × 3 Grid Math	Hard	12.5%
925	Long Pressed Name	Easy	12.5%
1390	Four Divisors	Medium	12.5%
2798	Number of Employees Who Met the Target Math	Easy	12.5%
1161	Maximum Level Sum of a Binary Tree Tree	Medium	12.5%
952	Largest Component Size by Common Factor	Hard	12.5%
1266	Minimum Time Visiting All Points	Easy	12.5%
3203	Find Minimum Diameter After Merging Two Trees Tree	Hard	12.5%
3803	Count Residue Prefixes	Easy	12.5%
1108	Defanging an IP Address	Easy	12.5%
321	Create Maximum Number Math	Hard	12.5%
3047	Find the Largest Area of Square Inside Two Rectangles	Medium	12.5%
1441	Build an Array With Stack Operations ArrayStack/Queue	Medium	12.5%
3314	Construct the Minimum Bitwise Array I Array	Easy	12.5%
3315	Construct the Minimum Bitwise Array II Array	Medium	12.5%
107	Binary Tree Level Order Traversal II Tree	Medium	12.5%
2726	Calculator with Method Chaining	Easy	12.5%
3006	Find Beautiful Indices in the Given Array I Array	Medium	12.5%
729	My Calendar I	Medium	12.5%
3510	Minimum Pair Removal to Sort Array II Array	Hard	12.5%
788	Rotated Digits Binary SearchMath	Medium	12.5%
1984	Minimum Difference Between Highest and Lowest of K Scores	Easy	12.5%
1552	Magnetic Force Between Two Balls	Medium	12.5%
3797	Count Routes to Climb a Rectangular Grid	Hard	12.5%
1624	Largest Substring Between Two Equal Characters StringTree	Easy	12.5%
1326	Minimum Number of Taps to Open to Water a Garden Math	Hard	12.5%
3650	Minimum Cost Path with Edge Reversals	Medium	12.5%
2643	Row With Maximum Ones	Easy	12.5%
490	The Maze	Medium	12.5%
759	Employee Free Time	Hard	12.5%
1776	Car Fleet II	Hard	12.5%
3010	Divide an Array Into Subarrays With Minimum Cost I Array	Easy	12.5%
262	Trips and Users	Hard	12.5%
2492	Minimum Score of a Path Between Two Cities	Medium	12.5%
3640	Trionic Array II Array	Hard	12.5%
2629	Function Composition	Easy	12.5%
3379	Transformed Array Array	Easy	12.5%
3814	Maximum Capacity Within Budget	Medium	12.5%
2197	Replace Non-Coprime Numbers in Array ArrayMath	Hard	12.5%
1189	Maximum Number of Balloons Math	Easy	12.5%
3090	Maximum Length Substring With Two Occurrences StringTree	Easy	12.5%
1348	Tweet Counts Per Frequency	Medium	12.5%
1037	Valid Boomerang	Easy	12.5%
824	Goat Latin	Easy	12.5%
2204	Distance to a Cycle in Undirected Graph GraphLinked List	Hard	12.5%
3714	Longest Balanced Substring II StringTree	Medium	12.5%
401	Binary Watch	Easy	12.5%
3613	Minimize Maximum Component Cost	Medium	12.5%
693	Binary Number with Alternating Bits Math	Easy	12.5%
1429	First Unique Number Math	Medium	12.5%
1137	N-th Tribonacci Number Math	Easy	12.5%
868	Binary Gap	Easy	12.5%
765	Couples Holding Hands	Hard	12.5%
2299	Strong Password Checker II	Easy	12.5%
1022	Sum of Root To Leaf Binary Numbers Math	Easy	12.5%
405	Convert a Number to Hexadecimal Math	Easy	12.5%
2974	Minimum Number Game Math	Easy	12.5%
2050	Parallel Courses III	Hard	12.5%
3666	Minimum Operations to Equalize Binary String String	Hard	12.5%
388	Longest Absolute File Path	Medium	12.5%
3366	Minimum Array Sum Array	Medium	12.5%
939	Minimum Area Rectangle	Medium	12.5%
3186	Maximum Total Damage With Spell Casting	Medium	12.5%
357	Count Numbers with Unique Digits Math	Medium	12.5%
594	Longest Harmonious Subsequence String	Easy	12.5%
1758	Minimum Changes To Make Alternating Binary String String	Easy	12.5%
832	Flipping an Image	Easy	12.5%
1888	Minimum Number of Flips to Make the Binary String Alternating StringMath	Medium	12.5%
1000	Minimum Cost to Merge Stones	Hard	12.5%
1195	Fizz Buzz Multithreaded	Medium	12.5%
2977	Minimum Cost to Convert String II String	Hard	12.5%
728	Self Dividing Numbers Math	Easy	12.5%
2622	Cache With Time Limit	Medium	12.5%
506	Relative Ranks	Easy	12.5%
747	Largest Number At Least Twice of Others Math	Easy	12.5%
3600	Maximize Spanning Tree Stability with Upgrades Tree	Hard	12.5%
1349	Maximum Students Taking Exam	Hard	12.5%
1727	Largest Submatrix With Rearrangements Array	Medium	12.5%
2831	Find the Longest Equal Subarray Array	Medium	12.5%
216	Combination Sum III	Medium	12.5%
159	Longest Substring with At Most Two Distinct Characters StringTree	Medium	12.5%
2151	Maximum Good People Based on Statements	Hard	12.5%
1594	Maximum Non Negative Product in a Matrix Array	Medium	12.5%
2906	Construct Product Matrix Array	Medium	12.5%
3546	Equal Sum Grid Partition I DP	Medium	12.5%
1710	Maximum Units on a Truck	Easy	12.5%
2946	Matrix Similarity After Cyclic Shifts Array	Easy	12.5%
3548	Equal Sum Grid Partition II DP	Hard	12.5%
427	Construct Quad Tree Tree	Medium	12.5%
2839	Check if Strings Can be Made Equal With Operations I String	Easy	12.5%
2840	Check if Strings Can be Made Equal With Operations II String	Medium	12.5%
3474	Lexicographically Smallest Generated String StringGraph	Hard	12.5%
1876	Substrings of Size Three with Distinct Characters StringTree	Easy	12.5%
2751	Robot Collisions	Hard	12.5%
3418	Maximum Amount of Money Robot Can Earn	Medium	12.5%
3661	Maximum Walls Destroyed by Robots	Hard	12.5%
526	Beautiful Arrangement	Medium	12.5%
655	Print Binary Tree Tree	Medium	12.5%
508	Most Frequent Subtree Sum Tree	Medium	12.5%
1111	Maximum Nesting Depth of Two Valid Parentheses Strings StringStack/Queue	Medium	12.5%
2215	Find the Difference of Two Arrays Array	Easy	12.5%
1320	Minimum Distance to Type a Word Using Two Fingers	Hard	12.5%
1052	Grumpy Bookstore Owner	Medium	12.5%
2515	Shortest Distance to Target String in a Circular Array ArrayString	Easy	12.5%
3741	Minimum Distance Between Three Equal Elements II	Medium	12.5%
1160	Find Words That Can Be Formed by Characters	Easy	12.5%
3761	Minimum Absolute Distance Between Mirror Pairs	Medium	12.5%
1855	Maximum Distance Between a Pair of Values	Medium	12.5%
2661	First Completely Painted Row or Column	Medium	12.5%
2615	Sum of Distances	Medium	12.5%
937	Reorder Data in Log Files	Medium	12.5%
1559	Detect Cycles in 2D Grid GraphLinked List	Medium	12.5%
3742	Maximum Path Score in a Grid	Medium	12.5%
1208	Get Equal Substrings Within Budget StringTree	Medium	12.5%
396	Rotate Function	Medium	12.5%
193	Valid Phone Numbers Math	Easy	12.5%
1979	Find Greatest Common Divisor of Array Array	Easy	12.5%
1928	Minimum Cost to Reach Destination in Time	Hard	12.5%
346	Moving Average from Data Stream	Easy	12.5%
2553	Separate the Digits in an Array ArrayMath	Easy	12.5%
2784	Check if Array is Good Array	Easy	12.5%
2879	Display the First Three Rows	Easy	12.5%
792	Number of Matching Subsequences StringMath	Medium	12.5%
2360	Longest Cycle in a Graph GraphLinked List	Hard	12.5%
454	4Sum II	Medium	12.5%
3300	Minimum Element After Replacement With Digit Sum Math	Easy	12.5%
377	Combination Sum IV	Medium	12.5%
1313	Decompress Run-Length Encoded List	Easy	12.5%
3161	Block Placement Queries	Hard	12.5%
3946	Maximum Number of Items From Sale I Math	Medium	12.5%
3753	Total Waviness of Numbers in Range II Math	Hard	12.5%
3509	Maximum Product of Subsequences With an Alternating Sum Equal to K String	Hard	12.5%
2087	Minimum Cost Homecoming of a Robot in a Grid	Medium	12.5%
2940	Find Building Where Alice and Bob Can Meet	Hard	12.5%
3691	Maximum Total Subarray Value II Array	Hard	12.5%
2080	Range Frequency Queries	Medium	12.5%
1796	Second Largest Digit in a String StringMath	Easy	12.5%
3612	Process String with Special Operations I String	Medium	12.5%
3668	Restore Finishing Order	Easy	12.5%
1036	Escape a Large Maze	Hard	12.5%
673	Number of Longest Increasing Subsequence StringMath	Medium	12.5%
2418	Sort the People	Easy	12.5%
390	Elimination Game	Medium	12.5%
1840	Maximum Building Height	Hard	12.5%
255	Verify Preorder Sequence in Binary Search Tree TreeBinary Search	Medium	12.5%
1833	Maximum Ice Cream Bars	Medium	12.5%
3699	Number of ZigZag Arrays I ArrayMath	Hard	12.5%
768	Max Chunks To Make Sorted II	Hard	12.5%
257	Binary Tree Paths Tree	Easy	12.5%
3739	Count Subarrays With Majority Element II Array	Hard	12.5%
2627	Debounce	Medium	12.5%
3020	Find the Maximum Number of Elements in Subset Math	Medium	12.5%
1846	Maximum Element After Decreasing and Rearranging	Medium	12.5%
1967	Number of Strings That Appear as Substrings in Word StringTreeMath	Easy	12.5%
1345	Jump Game IV	Hard	12.5%
2652	Sum Multiples	Easy	12.5%
1978	Employees Whose Manager Left the Company	Easy	12.5%
2812	Find the Safest Path in a Grid	Medium	12.5%
1312	Minimum Insertion Steps to Make a String Palindrome String	Hard	12.5%
2063	Vowels of All Substrings StringTree	Medium	12.5%
3969	Valid Subarrays With Matching Sum Digits I ArrayMath	Medium	12.5%
1288	Remove Covered Intervals	Medium	12.5%
2621	Sleep	Easy	12.5%
2760	Longest Even Odd Subarray With Threshold Array	Easy	12.5%
3233	Find the Count of Numbers Which Are Not Special Math	Medium	12.5%
1343	Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold ArrayMath	Medium	12.5%
726	Number of Atoms Math	Hard	12.5%
1697	Checking Existence of Edge Length Limited Paths	Hard	12.5%
3532	Path Existence Queries in a Graph I Graph	Medium	12.5%
2887	Fill Missing Data	Easy	12.5%
2016	Maximum Difference Between Increasing Elements	Easy	12.5%
978	Longest Turbulent Subarray Array	Medium	12.5%