Leetcode Solved Problems

No.	Title	Accepted	Difficulty
1.	Two Sum	Yes	Easy
2.	Add Two Numbers	Yes	Medium
3.	Longest Substring Without Repeating Characters	Yes	Medium
4.	Median of Two Sorted Arrays	Yes	Hard
5.	Longest Palindromic Substring	Yes	Medium
6.	Zigzag Conversion	Yes	Medium
7.	Reverse Integer	Yes	Medium
8.	String to Integer (atoi)	Yes	Medium
9.	Palindrome Number	Yes	Easy
10.	Regular Expression Matching	Yes	Hard
11.	Container With Most Water	Yes	Medium
12.	Integer to Roman	Yes	Medium
13.	Roman to Integer	Yes	Easy
14.	Longest Common Prefix	Yes	Easy
15.	3Sum	Yes	Medium
16.	3Sum Closest	Yes	Medium
17.	Letter Combinations of a Phone Number	Yes	Medium
18.	4Sum	Yes	Medium
19.	Remove Nth Node From End of List	Yes	Medium
20.	Valid Parentheses	Yes	Easy
21.	Merge Two Sorted Lists	Yes	Easy
22.	Generate Parentheses	Yes	Medium
23.	Merge k Sorted Lists	Yes	Hard
24.	Swap Nodes in Pairs	Yes	Medium
25.	Reverse Nodes in k-Group	Yes	Hard
26.	Remove Duplicates from Sorted Array	Yes	Easy
27.	Remove Element	Yes	Easy
28.	Find the Index of the First Occurrence in a String	Yes	Medium
29.	Divide Two Integers	Yes	Medium
30.	Substring with Concatenation of All Words	Yes	Hard
31.	Next Permutation	Yes	Medium
32.	Longest Valid Parentheses	Yes	Hard
33.	Search in Rotated Sorted Array	Yes	Medium
34.	Find First and Last Position of Element in Sorted Array	Yes	Medium
36.	Valid Sudoku	Yes	Medium
37.	Sudoku Solver	Yes	Hard
38.	Count and Say	Yes	Medium
39.	Combination Sum	Yes	Medium
40.	Combination Sum II	Yes	Medium
41.	First Missing Positive	Yes	Hard
42.	Trapping Rain Water	Yes	Hard
43.	Multiply Strings	Yes	Medium
44.	Wildcard Matching	Yes	Hard
45.	Jump Game II	Yes	Medium
46.	Permutations	Yes	Medium
47.	Permutations II	Yes	Medium
48.	Rotate Image	Yes	Medium
49.	Group Anagrams	Yes	Medium
50.	Pow(x, n)	Yes	Medium
51.	N-Queens	Yes	Hard
52.	N-Queens II	Yes	Hard
53.	Maximum Subarray	Yes	Medium
54.	Spiral Matrix	Yes	Medium
55.	Jump Game	Yes	Medium
56.	Merge Intervals	Yes	Medium
57.	Insert Interval	Yes	Medium
59.	Spiral Matrix II	Yes	Medium
60.	Permutation Sequence	Yes	Hard
61.	Rotate List	Yes	Medium
62.	Unique Paths	Yes	Medium
63.	Unique Paths II	Yes	Medium
64.	Minimum Path Sum	Yes	Medium
68.	Text Justification	Yes	Hard
70.	Climbing Stairs	Yes	Easy
72.	Edit Distance	Yes	Hard
74.	Search a 2D Matrix	Yes	Medium
75.	Sort Colors	Yes	Medium
76.	Minimum Window Substring	Yes	Hard
77.	Combinations	Yes	Medium
78.	Subsets	Yes	Medium
79.	Word Search	Yes	Medium
81.	Search in Rotated Sorted Array II	Yes	Medium
82.	Remove Duplicates from Sorted List II	Yes	Medium
83.	Remove Duplicates from Sorted List	Yes	Easy
84.	Largest Rectangle in Histogram	Yes	Hard
85.	Maximal Rectangle	Yes	Hard
86.	Partition List	Yes	Medium
87.	Scramble String	Yes	Hard
90.	Subsets II	Yes	Medium
91.	Decode Ways	Yes	Medium
93.	Restore IP Addresses	Yes	Medium
92.	Reverse Linked List II	Yes	Medium
94.	Binary Tree Inorder Traversal	Yes	Easy
96.	Unique Binary Search Trees	Yes	Medium
97.	Interleaving String	Yes	Medium
98.	Validate Binary Search Tree	Yes	Medium
99.	Recover Binary Search Tree	Yes	Medium
100.	Same Tree	Yes	Easy
101.	Symmetric Tree	Yes	Easy
102.	Binary Tree Level Order Traversal	Yes	Medium
103.	Binary Tree Zigzag Level Order Traversal	Yes	Medium
104.	Maximum Depth of Binary Tree	Yes	Easy
105.	Construct Binary Tree from Preorder and Inorder Traversal	Yes	Medium
106.	Construct Binary Tree from Inorder and Postorder Traversal	Yes	Medium
107.	Binary Tree Level Order Traversal II	Yes	Medium
109.	Convert Sorted List to Binary Search Tree	Yes	Medium
110.	Balanced Binary Tree	Yes	Easy
111.	Minimum Depth of Binary Tree	Yes	Easy
112.	Path Sum	Yes	Easy
113.	Path Sum II	Yes	Medium
114.	Flatten Binary Tree To Linked List	Yes	Medium
115.	Distinct Subsequences	Yes	Hard
116.	Populating Next Right Pointers in Each Node	Yes	Medium
117.	Populating Next Right Pointers in Each Node II	Yes	Medium
118.	Pascal's Triangle	Yes	Easy
119.	Pascal's Triangle II	Yes	Easy
120.	Triangle	Yes	Medium
121.	Best Time to Buy and Sell Stock	Yes	Easy
122.	Best Time to Buy and Sell Stock II	Yes	Medium
123.	Best Time to Buy and Sell Stock III	Yes	Hard
124.	Binary Tree Maximum Path Sum	Yes	Hard
126.	Word Ladder II	Yes	Hard
127.	Word Ladder	Yes	Hard
129.	Sum Root to Leaf Numbers	Yes	Medium
130.	Surrounded Regions	Yes	Medium
131.	Palindrome Partitioning	Yes	Medium
134.	Gas Station	Yes	Medium
135.	Candy	Yes	Hard
136.	Single Number I	Yes	Easy
137.	Single Number II	Yes	Medium
138.	Copy List with Random Pointer	Yes	Medium
139.	Word Break	Yes	Medium
140.	Word Break II	Yes	Hard
141.	Linked List Cycle	Yes	Easy
141.	Linked List Cycle II	Yes	Medium
143.	Reorder List	Yes	Medium
144.	Binary Tree Preorder Traversal	Yes	Easy
145.	Binary Tree Postorder Traversal	Yes	Easy
146.	LRU Cache	Yes	Medium
147.	Insertion Sort List	Yes	Medium
148.	Sort List	Yes	Medium
149.	Max Points on a Line	Yes	Hard
150.	Evaluate Reverse Polish Notation	Yes	Medium
152.	Maximum Product Subarray	Yes	Medium
153.	Find Minimum in Rotated Sorted Array	Yes	Medium
160.	Intersection of Two Linked Lists	Yes	Easy
162.	Find Peak Element	Yes	Medium
168.	Excel Sheet Column Title	Yes	Easy
187.	Repeated DNA Sequences	Yes	Medium
188.	Best Time to Buy and Sell Stock IV	Yes	Hard
190.	Reverse Bits	Yes	Easy
191.	Number of 1 Bits	Yes	Easy
198.	House Robber	Yes	Medium
199.	Binary Tree Right Side View	Yes	Medium
200.	Number of Islands	Yes	Medium
202.	Happy Number	Yes	Easy
203.	Remove Linked List Elements	Yes	Easy
204.	Count Primes	Yes	Medium
206.	Reverse Linked List	Yes	Easy
207.	Course Schedule	Yes	Medium
208.	Implement Trie (Prefix Tree)	Yes	Medium
209.	Minimum Size Subarray Sum	Yes	Medium
210.	Course Schedule II	Yes	Medium
212.	Word Search II	Yes	Hard
213.	House Robber II	Yes	Medium
217.	Contains Duplicate	Yes	Easy
218.	The Skyline Problem	Yes	Hard
219.	Contains Duplicate II	Yes	Easy
220.	Contains Duplicate III	Yes	Hard
223.	Rectangle Area	Yes	Medium
224.	Basic Calculator	Yes	Hard
225.	Implement Stack using Queues	Yes	Easy
226.	Invert Binary Tree	Yes	Easy
228.	Summary Ranges	Yes	Easy
229.	Majority Element II	Yes	Medium
230.	Kth Smallest Element in a BST	Yes	Medium
231.	Power of Two	Yes	Easy
232.	Implement Queue using Stacks	Yes	Easy
234.	Palindrome Linked List	Yes	Easy
235.	Lowest Common Ancestor of a Binary Search Tree	Yes	Easy
236.	Lowest Common Ancestor of a Binary Tree	Yes	Medium
237.	Delete Node in a Linked List	Yes	Easy
239.	Sliding Window Maximum	Yes	Hard
240.	Search a 2D Matrix II	Yes	Medium
242.	Valid Anagram	Yes	Easy
257.	Binary Tree Paths	Yes	Easy
258.	Add Digits	Yes	Easy
260.	Single Number III	Yes	Medium
263.	Ugly Number	Yes	Easy
264.	Ugly Number II	Yes	Medium
279.	Perfect Squares	Yes	Medium
282.	Expression Add Operators	Yes	Hard
287.	Find the Duplicate Number	Yes	Medium
295.	Find Median from Data Stream	Yes	Hard
297.	Serialize and Deserialize Binary Tree	Yes	Hard
300.	Longest Increasing Subsequence	Yes	Medium
304.	Range Sum Query 2D - Immutable	Yes	Medium
307.	Range Sum Query - Mutable	Yes	Medium
309.	Best Time to Buy and Sell Stock with Cooldown	Yes	Medium
312.	Burst Balloons	Yes	Hard
315.	Count of Smaller Numbers After Self	Yes	Hard
316.	Remove Duplicate Letters	Yes	Medium
319.	Bulb Switcher	Yes	Medium
322.	Coin Change	Yes	Medium
326.	Power of Three	Yes	Easy
328.	Odd Even Linked List	Yes	Medium
330.	Patching Array	Yes	Hard
331.	Verify Preorder Serialization of a Binary Tree	Yes	Medium
332.	Reconstruct Itinerary	Yes	Hard
334.	Increasing Triplet Subsequence	Yes	Medium
336.	Palindrome Pairs	Yes	Hard
337.	House Robber III	Yes	Medium
338.	Counting Bits	Yes	Easy
342.	Power of Four	Yes	Easy
343.	Integer Break	Yes	Medium
345.	Reverse Vowels of a String	Yes	Easy
347.	Top K Frequent Elements	Yes	Medium
352.	Data Stream as Disjoint Intervals	Yes	Hard
354.	Russian Doll Envelopes	Yes	Hard
355.	Design Twitter	Yes	Medium
357.	Count Numbers with Unique Digits	Yes	Medium
363.	Max Sum of Rectangle No Larger Than K	Yes	Hard
368.	Largest Divisible Subset	Yes	Medium
371.	Sum of Two Integers	Yes	Medium
373.	Find K Pairs with Smallest Sums	Yes	Medium
377.	Combination Sum IV	Yes	Medium
378.	Kth Smallest Element in a Sorted Matrix	Yes	Medium
380.	Insert Delete GetRandom O(1)	Yes	Medium
382.	Linked List Random Node	Yes	Medium
383.	Ransom Note	Yes	Easy
384.	Shuffle an Array	Yes	Medium
389.	Find the Difference	Yes	Easy
392.	Is Subsequence	Yes	Easy
393.	UTF-8 Validation	Yes	Medium
394.	Decode String	Yes	Medium
399.	Evaluate Division	Yes	Medium
400.	Nth Digit	Yes	Medium
402.	Remove K Digits	Yes	Medium
403.	Frog Jump	Yes	Hard
405.	Convert a Number to Hexadecimal	Yes	Easy
406.	Queue Reconstruction by Height	Yes	Medium
407.	Trapping Rain Water II	Yes	Hard
410.	Split Array Largest Sum	Yes	Hard
413.	Arithmetic Slices	Yes	Medium
416.	Parition Equal Subset Sum	Yes	Medium
417.	Pacific Atlantic Water Flow	Yes	Medium
420.	Strong Password Checker	Yes	Hard
421.	Maximum XOR of Two Numbers in an Array	Yes	Medium
429.	N-ary Tree Level Order Traversal	Yes	Medium
433.	Minimum Genetic Mutation	Yes	Medium
435.	Non-overlapping Intervals	Yes	Medium
437.	Path Sum III	Yes	Medium
438.	Find All Anagrams in a String	Yes	Medium
443.	String Compression	Yes	Medium
445.	Add Two Numbers II	Yes	Medium
446.	Arithmetic Slices II - Subsequence	Yes	Medium
449.	Serialize and Deserialize BST	Yes	Medium
450.	Delete Node in a BST	Yes	Medium
452.	Minimum Number of Arrows to Burst Balloons	Yes	Medium
451.	Sort Characters By Frequency	Yes	Medium
459.	Repeated Substring Pattern	Yes	Easy
456.	132 Pattern	Yes	Medium
458.	Poor Pigs	Yes	Hard
460.	LFU Cache	Yes	Hard
461.	Hamming Distance	Yes	Easy
464.	Can I Win	Yes	Medium
472.	Concatenated Words	Yes	Hard
474.	Ones and Zeros	Yes	Medium
476.	Number Complement	Yes	Easy
477.	Total Hamming Distance	Yes	Medium
486.	Predict the Winner	Yes	Medium
491.	Non-decreasing Subsequences	Yes	Medium
493.	Reverse Pairs	Yes	Hard
496.	Next Greater Element I	Yes	Easy
503.	Next Greater Element II	Yes	Medium
502.	IPO	Yes	Hard
509.	Fibonacci Number	Yes	Easy
515.	Find Largest Value in Each Tree Row	Yes	Medium
518.	Coin Change 2	Yes	Medium
516.	Longest Palindromic Subsequence	Yes	Medium
521.	Longest Uncommon Subsequence I	Yes	Medium
522.	Longest Uncommon Subsequence II	Yes	Medium
523.	Continuous Subarray Sum	Yes	Medium
526.	Beautiful Arrangement	Yes	Medium
530.	Minimum Absolute Difference in BST	Yes	Easy
540.	Single Element in a Sorted Array	Yes	Medium
542.	01 Matrix	Yes	Medium
543.	Diameter of Binary Tree	Yes	Easy
547.	Number of Provinces	Yes	Medium
557.	Reverse Words in a String III	Yes	Easy
560.	Subarray Sum Equals K	Yes	Medium
563.	Binary Tree Tilt	Yes	Easy
567.	Permutation in String	Yes	Medium
572.	Subtree of Another Tree	Yes	Easy
583.	Delete Operation for Two Strings	Yes	Medium
587.	Erect the Fence	Yes	Hard
576.	Out of Boundary Paths	Yes	Medium
589.	N-ary Tree Preorder Traversal	Yes	Easy
589.	N-ary Tree Postorder Traversal	Yes	Easy
600.	Non-negative Integers without Consecutive Ones	Yes	Hard
605.	Can Place Flowers	Yes	Easy
606.	Construct String from Binary Tree	Yes	Easy
609.	Find Duplicate File in System	Yes	Medium
617.	Merge Two Binary Trees	Yes	Easy
621.	Task Scheduler	Yes	Medium
622.	Design Circular Queue	Yes	Medium
623.	Add One Row to Tree	Yes	Medium
629.	K Inverse Pairs Array	No	Hard
630.	Course Schedule III	Yes	Hard
637.	Average of Level in Binary Tree	Yes	Easy
639.	Decode Ways II	Yes	Hard
645.	Set Mismatch	Yes	Easy
646.	Maximum Length of Pair Chain	Yes	Medium
648.	Replace Words	Yes	Medium
649.	Dota2 Senate	Yes	Medium
664.	Strange Printer	Yes	Hard
669.	Trim a Binary Search Tree	Yes	Medium
653.	Two Sum IV - Input is a BST	Yes	Easy
658.	Find K Closest Elements	Yes	Medium
659.	Split Array into Consecutive Subsequences	Yes	Medium
662.	Maximum width of Binary Tree	Yes	Medium
668.	Beautiful Arrangement II	Yes	Medium
673.	Number of Longest Increasing Subsequence	Yes	Medium
678.	Valid Parenthesis String	Yes	Medium
684.	Redundant Connection	Yes	Medium
685.	Redundant Connection II	Yes	Hard
686.	Repeated String Match	Yes	Medium
687.	Longest Univalue Path	Yes	Medium
688.	Knight Probability in Chessboard	Yes	Medium
692.	Top K Frequent Words	Yes	Medium
693.	Binary Number with Alternating Bits	Yes	Easy
700.	Search in a Binary Search Tree	Yes	Easy
701.	Insert in a Binary Search Tree	Yes	Medium
704.	Binary Search	Yes	Easy
705.	Design HashSet	Yes	Easy
706.	Design HashMap	Yes	Easy
712.	Minimum ASCII Delete Sum for Two Strings	Yes	Medium
714.	Best Time to Buy and Sell Stock with Transaction Fee	Yes	Medium
718.	Maximum Length of Repeated Subarray	Yes	Medium
720.	Longest Word in Dictionary	Yes	Medium
725.	Split Linked List in Parts	Yes	Medium
728.	Self Dividing Numbers	Yes	Easy
729.	My Calender I	Yes	Medium
731.	My Calender II	Yes	Medium
732.	My Calender III	Yes	Hard
733.	Flood Fill	Yes	Easy
735.	Asteroid Collision	Yes	Medium
739.	Daily Temperatures	Yes	Medium
746.	Min Cost Climbing Stairs	Yes	Easy
749.	Delete and Earn	Yes	Medium
753.	Cracking the Safe	Yes	Hard
765.	Couples Holding Hands	Yes	Hard
766.	Toeplitz Matrix	Yes	Easy
767.	Reorganize String	Yes	Medium
778.	Swim in Rising Water	Yes	Hard
779.	K-th Symbol in Grammar	Yes	Medium
784.	Letter Case Permutation	Yes	Medium
785.	Is Graph Bipartite?	Yes	Medium
787.	Cheapest Flights Within K Stops	Yes	Medium
792.	Number of Matching Subsequences	Yes	Medium
796.	Rotate String	Yes	Easy
797.	All Paths From Source to Target	Yes	Medium
799.	Champangne Tower	Yes	Medium
802.	Find Eventual Safe States	Yes	Medium
804.	Unique Morse Code Words	Yes	Easy
808.	Soup Servings	Yes	Medium
810.	Chalkboard XOR Game	Yes	Hard
814.	Binary Tree Pruning	Yes	Medium
815.	Bus Routes	Yes	Hard
823.	Binary Trees With Factors	Yes	Medium
829.	Consecutive Numbers Sum	Yes	Hard
834.	Sum of Distances in Tree	Yes	Hard
835.	Image Overlap	Yes	Medium
837.	New 21 Game	Yes	Medium
838.	Push Dominoes	Yes	Medium
841.	Keys and Rooms	Yes	Medium
844.	Backspace String Compare	Yes	Easy
847.	Shortest Path Visiting All Nodes	Yes	Hard
851.	Loud and Rich	Yes	Medium
852.	Peak Index in a Mountain Array	Yes	Medium
857.	Minimum Cost to Hire K Workers	Yes	Hard
858.	Mirror Reflection	Yes	Medium
859.	Buddy Strings	Yes	Easy
861.	Score After Flipping Matrix	Yes	Medium
864.	Shortest Path to Get All Keys	Yes	Hard
863.	All Nodes Distance K in Binary Tree	Yes	Medium
865.	Smallest Subtree with all the Deepest Nodes	Yes	Medium
867.	Transpose Matrix	Yes	Easy
869.	Reordered Power of 2	Yes	Medium
871.	Minimum Number of Refueling Stops	Yes	Hard
872.	Leaf-Similar Trees	Yes	Easy
875.	Koko Eating Bananas	Yes	Medium
876.	Middle of the Linked List	Yes	Easy
877.	Stone Game	Yes	Medium
879.	Profitable Schemes	Yes	Hard
880.	Decoded String at Index	Yes	Medium
881.	Boats to Save People	Yes	Medium
886.	Possible Bipartition	Yes	Medium
889.	Construct Binary Tree from Preorder and Postorder Traversal	Yes	Medium
890.	Find and Replace Pattern	Yes	Medium
894.	All Possible Full Binary Trees	Yes	Medium
898.	Bitwise ORs of Subarrays	Yes	Medium
899.	Orderly Queue	Yes	Hard
901.	Online Stock Span	Yes	Medium
904.	Fruit Into Baskets	Yes	Medium
907.	Sum of Subarray Minimums	Yes	Medium
909.	Snakes and Ladders	Yes	Medium
912.	Sort an Array	Yes	Medium
914.	X of a Kind in a Deck of Cards	Yes	Easy
918.	Maximum Sum Circular Subarray	Yes	Medium
920.	Number of Music Playlists	Yes	Hard
926.	Flip String to Monotone Increasing	Yes	Medium
931.	Minimum Falling Path Sum	Yes	Medium
934.	Shortest Bridge	Yes	Medium
935.	Knight Dialer	Yes	Medium
936.	Stamping The Sequence	Yes	Hard
938.	Range Sum of BST	Yes	Medium
944.	Delete Columns to Make Sorted	Yes	Easy
946.	Validate Stack Sequences	Yes	Medium
947.	Most Stones Removed with Same Row or Column	Yes	Medium
948.	Bag of Tokens	Yes	Medium
953.	Verifying an Alien Dictionary	Yes	Easy
958.	Check Completeness of a Binary Tree	Yes	Medium
967.	Numbers With Same Consecutive Differences	Yes	Medium
968.	Binary Tree Cameras	Yes	Hard
974.	Subarray Sums Divisible by K	Yes	Medium
976.	Largest Perimeter Triangle	Yes	Easy
979.	Distribute Coins in Binary Tree	Yes	Medium
980.	Unique Paths III	Yes	Hard
981.	Time Based Key-Value Store	Yes	Medium
983.	Minimum Cost For Tickets	Yes	Medium
985.	Sum of Even Numbers After Queries	Yes	Medium
986.	Interval List Intersections	Yes	Medium
987.	Vertical Order Traversal of a Binary Tree	Yes	Hard
989.	Add to Array-Form of Integer	Yes	Easy
990.	Satisfiability of Equality Equations	Yes	Medium
993.	Cousins in Binary Tree	Yes	Easy
994.	Rotting Oranges	Yes	Medium
997.	Find the Town Judge	Yes	Medium
1001.	Grid Illumination	Yes	Hard
1004.	Max Consecutive Ones III	Yes	Medium
1008.	Construct Binary Search Tree from Preorder Traversal	Yes	Medium
1009.	Complement of Base 10 Integer	Yes	Easy
1011.	Capacity To Ship Packages Within D Days	Yes	Medium
1012.	Numbers With Repeated Digits	Yes	Hard
1014.	Best Sightseeing Pair	Yes	Medium
1020.	Number of Enclaves	Yes	Medium
1023.	Camelcase Matching	Yes	Medium
1025.	Divisor Game	Yes	Easy
1028.	Recover a Tree From Preorder Traversal	Yes	Medium
1026.	Maximum Difference Between Node and Ancestor	Yes	Medium
1027.	Longest Arithmetic Subsequence	Yes	Medium
1036.	Escape a Large Maze	Yes	Hard
1046.	Last Stone Weight	Yes	Easy
1047.	Remove All Adjacent Duplicates In String	Yes	Easy
1061.	Lexicographically Smallest Equivalent String	Yes	Medium
1074.	Number of Submatrices That Sum to Target	No	Hard
1091.	Shortest Path in Binary Matrix	Yes	Medium
1092.	Shortest Common Supersequence	Yes	Hard
1094.	Car Pooling	Yes	Medium
1095.	Find in Mountain Array	Yes	Hard
1123.	Lowest Common Ancestor of Deepest Leaves	Yes	Medium
1125.	Smallest Sufficient Team	Yes	Hard
1137.	N-th Tribonacci Number	Yes	Easy
1155.	Number of Dice Rolls With Target Sum	Yes	Medium
1143.	Longest Common Subsequence	Yes	Medium
1146.	Snapshot Array	Yes	Medium
1162.	As Far from Land as Possible	Yes	Medium
1171.	Remove Zero Sum Consecutive Nodes from Linked List	Yes	Medium
1187.	Make Array Strictly Increasing	Yes	Hard
1192.	Critical Connections in a Network	Yes	Hard
1201.	Ugly Number III	Yes	Medium
1203.	Sort Items by Groups Respecting Dependencies	Yes	Hard
1209.	Remove All Adjacent Duplicates In String II	Yes	Medium
1218.	Longest Arithmetic Subsequence of Given Difference	Yes	Medium
1220.	Count Vowels Permutation	Yes	Hard
1250.	Check If It Is a Good Array	Yes	Hard
1254.	Number of Closed Islands	Yes	Medium
1255.	Maximum Score Words Formed by Letters	Yes	Hard
1266.	Minimum Time Visiting all Nodes	Yes	Easy
1268.	Search Suggestions System	Yes	Medium
1269.	Number of Ways to Stay in the Same Place After Some Steps	Yes	Hard
1282.	Group the People Given the Group Size They Belong To	Yes	Medium
1284.	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix	Yes	Hard
1290.	Convert Binary Number in a Linked List to Integer	Yes	Easy
1293.	Shortest Path in a Grid with Obstacles Elimination	Yes	Hard
1305.	All Elements in Two Binary Search Trees	Yes	Medium
1306.	Jump Game III	Yes	Medium
1310.	XOR Queries of a Subarray	Yes	Medium
1312.	Minimum Insertion Steps to Make a String Palindrome	Yes	Hard
1314.	Matrix Block Sum	Yes	Medium
1318.	Minimum Flips to Make a OR b Equal to c	Yes	Medium
1319.	Number of Operations to Make Network Connected	Yes	Medium
1323.	Maximum 69 Number	Yes	Easy
1326.	Minimum Number of Taps to Open to Water a Garden	Yes	Hard
1328.	Break a Palindrome	Yes	Medium
1329.	Sort the Matrix Diagonally	Yes	Medium
1334.	Find the City With the Smallest Number of Neighbors at a Threshold Distance	Yes	Medium
1335.	Minimum Difficulty Of Job Schedule	Yes	Hard
1337.	The K Weakest Rows in a Matrix	Yes	Easy
1338.	Reduce Array Size to The Half	Yes	Medium
1339.	Maximum Product of Splitted Binary Tree	Yes	Medium
1342.	Number of Steps to Reduce a Number to Zero	Yes	Easy
1345.	Jump Game V	Yes	Hard
1346.	Jump Game IV	Yes	Hard
1353.	Maximum Number of Events That Can Be Attended	Yes	Medium
1356.	Sort Integers by The Number of 1 Bits	Yes	Easy
1358.	Number of Substrings Containing All Three Characters	Yes	Medium
1368.	Minimum Cost to Make at Least One Valid Path in a Grid	Yes	Hard
1372.	Longest ZigZag Path in a Binary Tree	Yes	Medium
1376.	Time Needed to Inform All Employees	Yes	Medium
1379.	Find a Corresponding Node of a Binary Tree in a Clone of That Tree	Yes	Easy
1383.	Maximum Performance of a Team	Yes	Hard
1392.	Longest Happy Prefix	Yes	Hard
1395.	Count Number of Teams	Yes	Medium
1396.	Design Underground System	Yes	Medium
1397.	Find All Good Strings	Yes	Hard
1402.	Reducing Dishes	Yes	Hard
1408.	String Matching in an Array	Yes	Easy
1406.	Stone Game III	Yes	Hard
1409.	Queries on Permuations with Key	Yes	Medium
1411.	Number of Ways to Paint N × 3 Grid	Yes	Hard
1416.	Restore The Array	Yes	Hard
1420.	Build Array Where You Can Find The Maximum Exactly K Comparisons	Yes	Hard
1425.	Constrained Subsequence Sum	Yes	Hard
1438.	Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit	Yes	Medium
1442.	Count Triplets That Can Form Two Arrays of Equal XOR	Yes	Medium
1443.	Minimum Time to Collect All Apples in a Tree	Yes	Medium
1444.	Number of Ways of Cutting a Pizza	Yes	Hard
1447.	Simplified Fractions	Yes	Medium
1448.	Count Good Nodes in Binary Tree	Yes	Medium
1455.	Check If a Word Occurs As a Prefix of Any Word in a Sentence	Yes	Easy
1456.	Maximum Number of Vowels in a Substring of Given Length	Yes	Medium
1457.	Pseudo-Palindromic Paths in a Binary Tree	Yes	Medium
1458.	Max Dot Product of Two Subsequences	Yes	Hard
1462.	Course Schedule IV	Yes	Medium
1463.	Cherry Pickup II	Yes	Hard
1466.	Reorder Routes to Make All Paths Lead to the City Zero	Yes	Medium
1475.	Final Prices With a Special Discount in a Shop	Yes	Easy
1486.	XOR Operation in an Array	Yes	Easy
1483.	Kth Ancestor of a Tree Node	Yes	Hard
1489.	Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree	Yes	Hard
1491.	Average Salary Excluding the Minimum and Maximum Salary	Yes	Easy
1493.	Longest Subarray of 1's After Deleting One Element	Yes	Meidum
1494.	Parallel Courses II	No	Hard
1498.	Number of Subsequences That Satisfy the Given Sum Condition	Yes	Medium
1502.	Can Make Arithmetic Progression From Sequence	Yes	Easy
1512.	Number of Good Pairs	Yes	Easy
1514.	Path with Maximum Probability	Yes	Medium
1519.	Number of Nodes in the Sub-Tree With the Same Label	Yes	Medium
1525.	Number of Good Ways to Split a String	Yes	Medium
1530.	Number of Good Leaf Nodes Pairs	Yes	Medium
1523.	Count Odd Numbers in an Interval Range	Yes	Medium
1531.	String Compression II	Yes	Hard
1535.	Find the Winner of an Array Game	Yes	Medium
1544.	Make The String Great	Yes	Easy
1547.	Minimum Cost to Cut a Stick	Yes	Hard
1552.	Magnetic Force Between Two Balls	Yes	Medium
1557.	Minimum Number of Vertices to Reach All Nodes	Yes	Medium
1561.	Maximum Number of Coins You Can Get	Yes	Medium
1567.	Maximum Length of Subarray With Positive Product	Yes	Medium
1569.	Number of Ways to Reorder Array to Get Same BST	Yes	Hard
1572.	Matrix Diagonal Sum	Yes	Easy
1575.	Count All Possible Routes	Yes	Hard
1578.	Minimum Time to Make Rope Colorful	Yes	Medium
1579.	Remove Max Number of Edges to Keep Graph Fully Traversable	Yes	Hard
1584.	Min Cost to Connect All Points	Yes	Medium
1588.	Sum of All Odd Length Subarrays	Yes	Easy
1603.	Design Parking System	Yes	Easy
1611.	Minimum One Bit Operations to Make Integers Zero	Yes	Hard
1615.	Maximal Network Rank	Yes	Medium
1617.	Count Subtrees With Max Distance Between Cities	Yes	Hard
1622.	Fancy Sequence	Yes	Hard
1626.	Best Team With No Conflicts	Yes	Medium
1627.	Graph Connectivity With Threshold	Yes	Hard
1631.	Path With Minimum Effort	Yes	Medium
1639.	Number of Ways to Form a Target String Given a Dictionary	Yes	Hard
1641.	Count Vowel Strings	Yes	Medium
1646.	Get Maximum in Generated Array	Yes	Easy
1647.	Minimum Deletions to Make Character Frequencies Unique	Yes	Medium
1649.	Create Sorted Array through Instructions	Yes	Hard
1657.	Determine if Two Strings Are Close	Yes	Medium
1658.	Minimum Operations to Reduce X to Zero	Yes	Medium
1668.	Maximum Repeating Substring	Yes	Easy
1669.	Merge In Between Linked Lists	Yes	Medium
1675.	Minimize Deviation in Array	Yes	Hard
1680.	Concatenation of Consecutive Binary Numbers	Yes	Medium
1684.	Count the Number of Consistent Strings	Yes	Easy
1685.	Sum of Absolute Differences in a Sorted Array	Yes	Medium
1696.	Jump Game VI	Yes	Medium
1704.	Determine if String Halves Are Alike	Yes	Easy
1706.	Where Will the Ball Fall	Yes	Medium
1710.	Maximum Units on a Truck	Yes	Easy
1711.	Count Good Meals	Yes	Medium
1712.	Ways to Split Array Into Three Subarrays	Yes	Medium
1713.	Ways to Split Array Into Three Subarrays	Yes	Hard
1716.	Calculate Money in Leetcode Bank	Yes	Easy
1717.	Maximum Score From Removing Substrings	Yes	Medium
1718.	Construct the Lexicographically Largest Valid Sequence	Yes	Medium
1719.	Number Of Ways To Reconstruct A Tree	Yes	Hard
1720.	Decode XORed Array	Yes	Easy
1721.	Swapping Nodes in a Linked List	Yes	Medium
1727.	Largest Submatrix With Rearrangements	Yes	Medium
1732.	Find the Highest Altitude	Yes	Easy
1735.	Count Ways to Make Array With Product	Yes	Hard
1743.	Restore the Array From Adjacent Pairs	Yes	Medium
1751.	Maximum Number of Events That Can Be Attended II	Yes	Hard
1755.	Closest Subseqeunce Sum	Yes	Hard
1759.	Count Number of Homogenous Substrings	Yes	Medium
1764.	Form Array by Concatenating Subarrays of Another Array	Yes	Medium
1768.	Merge Strings Alternately	Yes	Easy
1780.	Check if Number is a Sum of Powers of Three	Yes	Medium
1786.	Number of Restricted Paths From First to Last Node	Yes	Medium
1791.	Find Center of Star Graph	Yes	Easy
1793.	Maximum Score of a Good Subarray	Yes	Hard
1799.	Maximize Score After N Operations	Yes	Hard
1802.	Maximum Value at a Given Index in a Bounded Array	Yes	Medium
1814.	Count Nice Pairs in an Array	Yes	Medium
1819.	Number of Different Subsequences GCDs	Yes	Hard
1822.	Sign of the Product of an Array	Yes	Easy
1829.	Maximum XOR for Each Query	Yes	Medium
1832.	Check if the Sentence Is Pangram	Yes	Easy
1833.	Maximum Ice Cream Bars	Yes	Medium
1845.	Seat Reservation Manager	Yes	Medium
1846.	Maximum Element After Decreasing and Rearranging	Yes	Medium
1863.	Sum of All Subset XOR Totals	Yes	Easy
1870.	Minimum Speed to Arrive on Time	Yes	Medium
1871.	Jump Game VII	Yes	Medium
1879.	Minimum XOR Sum of Two Arrays	No	Hard
1886.	Determine Whether Matrix Can Be Obtained By Rotation	Yes	Easy
1887.	Reduction Operations to Make the Array Elements Equal	Yes	Medium
1905.	Count Sub Islands	Yes	Medium
1921.	Eliminate Maximum Number of Monsters	Yes	Medium
1926.	Nearest Exit from Entrance in Maze	Yes	Medium
1930.	Unique Length 3 Palindromic Subsequences	Yes	Medium
1931.	Painting a Grid With Three Different Colors	Yes	Hard
1932.	Merge BSTs to Create Single BST	Yes	Hard
1947.	Maximum Compatibility Score Sum	Yes	Medium
1948.	Delete Duplicate Folders in System	Yes	Hard
1962.	Remove Stones to Minimize the Total	Yes	Medium
1964.	Find the Longest Valid Obstacle Course at Each Position	Yes	Hard
1970.	Last Day Where You Can Still Cross	Yes	Hard
1971.	Find if Path Exists in Graph	Yes	Easy
1976.	Number of Ways to Arrive at Destination	Yes	Medium
1980.	Find Unique Binary String	Yes	Medium
1994.	The Number of Good Subsets	Yes	Hard
2001.	Number of Pairs of Interchangeable Rectangles	Yes	Medium
2007.	Find Original Array From Doubled Array	Yes	Medium
2009.	Minimum Number of Operations to Make Array Continuous	Yes	Hard
2024.	Maximize the Confusion of an Exam	Yes	Medium
2035.	Partition Array Into Two Arrays to Minimize Sum Difference	Yes	Hard
2038.	Remove Colored Pieces if Both Neighbors are the Same Color	Yes	Medium
2039.	The Time When the Network Becomes Idle	Yes	Medium
2044.	Count Number of Maximum Bitwise-OR Subsets	Yes	Medium
2045.	Second Minimum Time to Reach Destination	Yes	Hard
2054.	Two Best Non-Overlapping Events	Yes	Medium
2058.	Find the Minimum and Maximum Number of Nodes Between Critical Points	Yes	Medium
2063.	Vowels of All Substrings	Yes	Medium
2071.	Maximum Number of Tasks You Can Assign	Yes	Hard
2074.	Reverse Nodes in Even Length Groups	Yes	Medium
2090.	K Radius Subarray Averages	Yes	Medium
2095.	Delete the Middle Node of a Linked List	Yes	Medium
2097.	Valid Arrangement of Pairs	Yes	Hard
2147.	Number of Ways to Divide a Long Corridor	Yes	Hard
2197.	Replace Non-Coprime Numbers in Array	Yes	Hard
2100.	Find Good Days to Rob the Bank	Yes	Medium
2101.	Detonate the Maximum Bombs	Yes	Medium
2115.	Find All Possible Recipes from Given Supplies	Yes	Medium
2125.	Number of Laser Beams in a Bank	Yes	Medium
2130.	Maximum Twin Sum of a Linked List	Yes	Medium
2131.	Longest Palindrome by Concatenating Two Letter Words	Yes	Medium
2136.	Earliest Possible Day of Full Bloom	Yes	Hard
2140.	Solving Questions With Brainpower	Yes	Medium
2141.	Maximum Running Time of N Computers	Yes	Hard
2156.	Find Substring With Given Hash Value	Yes	Hard
2157.	Groups of Strings	Yes	Hard
2172.	Maximum AND Sum of Array	Yes	Hard
2169.	Count Operations to Obtain Zero	Yes	Easy
2170.	Minimum Operations to Make the Array Alternating	Yes	Medium
2171.	Removing Minimum Number of Magic Beans	Yes	Medium
2172.	Maximum AND Sum of Array	Yes	Hard
2179.	Count Good Triplets in an Array	Yes	Hard
2181.	Merge Nodes in Between Zeros	Yes	Medium
2185.	Counting Words With a Given Prefix	Yes	Easy
2186.	Minimum Number of Steps to Make Two Strings Anagram II	Yes	Medium
2187.	Minimum Time to Complete Trips	Yes	Medium
2188.	Minimum Time to Finish the Race	Yes	Hard
2192.	All Ancestors of a Node in a Directed Acyclic Graph	Yes	Medium
2193.	Minimum Number of Moves to Make Palindrome	Yes	Hard
2195.	Append K Integers With Minimal Sum	Yes	Medium
2200.	Minimum Bit Flips to Convert Number	Yes	Easy
2201.	Count Artifacts That Can Be Extracted	Yes	Medium
2202.	Maximize the Topmost Element After K Moves	Yes	Medium
2203.	Minimum Weighted Subgraph With the Required Paths	Yes	Hard
2206.	Divide Array Into Equal Pairs	Yes	Easy
2215.	Find the Difference of Two Arrays	Yes	Easy
2218.	Maximum Value of K Coins From Piles	Yes	Hard
2221.	Find Triangular Sum of an Array	Yes	Medium
2225.	Find Players With Zero or One Losses	Yes	Medium
2226.	Minimum Average Difference	Yes	Medium
2244.	Minimum Rounds to Complete All Tasks	Yes	Medium
2246.	Longest Path With Different Adjacent Characters	Yes	Hard
2250.	Count Number of Rectangles Containing Each Point	Yes	Medium
2251.	Number of Flowers in Full Bloom	Yes	Hard
2270.	Number of Ways to Split Array	Yes	Medium
2276.	Count Integers in Intervals	Yes	Hard
2279.	Maximum Bags With Full Capacity of Rocks	Yes	Medium
2280.	Minimum Lines to Represent a Line Chart	Yes	Medium
2285.	Maximum Total Importance of Roads	Yes	Medium
2289.	Steps to Make Array Non-decreasing	Yes	Medium
2290.	Minimum Obstacle Removal to Reach Corner	Yes	Hard
2296.	Design a Text Editor	Yes	Hard
2300.	Successful Pairs of Spells and Potions	Yes	Medium
2305.	Fair Distribution of Cookies	Yes	Medium
2306.	Naming a Company	Yes	Hard
2316.	Count Unreachable Pairs of Nodes in an Undirected Graph	Yes	Medium
2317.	Maximum XOR After Operations	Yes	Medium
2326.	Spiral Matrix IV	Yes	Medium
2328.	Number of Increasing Paths in a Grid	Yes	Hard
2336.	Smallest Number in Infinite Set	Yes	Medium
2341.	Maximum Number of Pairs in Array	Yes	Easy
2342.	Max Sum of a Pair With Equal Sum of Digits	Yes	Medium
2343.	Query Kth Smallest Trimmed Number	Yes	Medium
2344.	Minimum Deletions to Make Array Divisible	Yes	Hard
2348.	Number of Zero-Filled Subarrays	Yes	Medium
2351.	First Letter to Appear Twice	Yes	Easy
2352.	Equal Row and Column Pairs	Yes	Medium
2353.	Design a Food Rating System	Yes	Medium
2354.	Number of Excellent Pairs	Yes	Hard
2357.	Make Array Zero by Subtracting Equal Amounts	Yes	Easy
2359.	Find Closest Node to Given Two Nodes	Yes	Medium
2360.	Longest Cycle in a Graph	Yes	Hard
2363.	Merge Similar Items	Yes	Easy
2364.	Count Number of Bad Pairs	No	Medium
2365.	Task Scheduler II	Yes	Medium
2366.	Minimum Replacements to Sort the Array	Yes	Hard
2367.	Number of Arithmetic Triplets	Yes	Easy
2368.	Reachable Nodes With Restrictions	Yes	Medium
2369.	Check if There is a Valid Partition For The Array	Yes	Medium
2370.	Longest Ideal Subsequence	Yes	Medium
2375.	Construct Smallest Number From DI String	Yes	Medium
2376.	Count Special Integers	Yes	Hard
2379.	Minimum Recolors to Get K Consecutive Black Blocks	Yes	Easy
2380.	Time Needed to Rearrange a Binary String	Yes	Medium
2381.	Shifting Letters II	Yes	Medium
2382.	Maximum Segment Sum After Removals	Yes	Hard
2383.	Minimum Hours of Training to Win a Competition	Yes	Easy
2384.	Largest Palindromic Number	Yes	Medium
2385.	Amount of Time for Binary Tree to Be Infected	Yes	Medium
2389.	Longest Subsequence With Limited Sum	Yes	Easy
2390.	Removing Stars From a String	Yes	Medium
2391.	Minimum Amount of Time to Collect Garbage	Yes	Medium
2395.	find subarrays with equal sum	Yes	Easy
2396.	Strictly Palindromic Number	Yes	Medium
2397.	Maximum Rows Covered by Columns	Yes	Medium
2399.	Check Distances Between Same Letters	Yes	Easy
2400.	Number of Ways to Reach a Position After Exactly k Steps	Yes	Medium
2401.	Longest Nice Subarray	Yes	Medium
2404.	Most Frequent Even Element	Yes	Easy
2405.	Optimal Partition of String	Yes	Medium
2406.	Divide Intervals Into Minimum Number of Groups	Yes	Medium
2407.	Longest Increasing Subsequence II	Yes	Hard
2409.	Count Days Spent Together	Yes	Easy
2410.	Maximum Matching of Players With Trainers	Yes	Medium
2411.	Smallest Subarrays With Maximum Bitwise OR	Yes	Medium
2412.	Minimum Money Required Before Transactions	Yes	Hard
2413.	Smallest Even Multiple	Yes	Easy
2414.	Length of the Longest Alphabetical Continuous Substring	Yes	Medium
2415.	Reverse Odd Levels of Binary Tree	Yes	Medium
2416.	Sum of Prefix Scores of Strings	Yes	Hard
2418.	Sort the People	Yes	Easy
2420.	Find All Good Indices	Yes	Medium
2421.	Number of Good Paths	Yes	Hard
2423.	Remove Letter To Equalize Frequency	Yes	Easy
2424.	Longest Uploaded Prefix	Yes	Medium
2425.	Bitwise XOR of All Pairings	Yes	Medium
2426.	Number of Pairs Satisfying Inequality	Yes	Hard
2427.	Number of Common Factors	Yes	Easy
2428.	Maximum Sum of an Hourglass	Yes	Medium
2429.	Minimize XOR	Yes	Medium
2432.	The Employee That Worked on the Longest Task	Yes	Easy
2433.	Find The Original Array of Prefix Xor	Yes	Medium
2434.	Using a Robot to Print the Lexicographically Smallest String	Yes	Medium
2435.	Paths in Matrix Whose Sum Is Divisible by K	No	Hard
2437.	Number of Valid Clock Times	Yes	Easy
2438.	Range Product Queries of Powers	Yes	Medium
2440.	Create Components With Same Value	Yes	Hard
2441.	Largest Positive Integer That Exists With Its Negative	Yes	Easy
2442.	Count Number of Distinct Integers After Reverse Operations	Yes	Medium
2443.	Sum of Number and Its Reverse	Yes	Medium
2446.	Determine if Two Events Have Conflict	Yes	Easy
2447.	Number of Subarrays With GCD Equal to K	Yes	Medium
2448.	Minimum Cost to Make Array Equal	Yes	Hard
2451.	Odd String Difference	Yes	Easy
2452.	Words Within Two Edits of Dictionary	Yes	Medium
2453.	Destroy Sequential Targets	Yes	Medium
2455.	Average Value of Even Numbers That Are Divisible by Three	Yes	Easy
2456.	Most Popular Video Creator	Yes	Medium
2457.	Minimum Addition to Make Integer Beautiful	Yes	Medium
2458.	Height of Binary Tree After Subtree Removal Queries	Yes	Hard
2460.	Apply Operations to an Array	Yes	Easy
2461	Maximum Sum of Distinct Subarrays With Length K	Yes	Medium
2462	Total Cost to Hire K Workers	Yes	Medium
2463	Minimum Total Distance Traveled	Yes	Hard
2465	Number of Distinct Averages	Yes	Easy
2466	Count Ways To Build Good Strings	Yes	Medium
2467	Most Profitable Path in a Tree	Yes	Medium
2469	Convert the Temperature	Yes	Easy
2470	Number of Subarrays With LCM Equal to K	Yes	Medium
2471	Minimum Number of Operations to Sort a Binary Tree by Level	Yes	Medium
2475	Number of Unequal Triplets in Array	Yes	Easy
2476	Closest Nodes Queries in a Binary Search Tree	Yes	Medium
2477	Minimum Fuel Cost to Report to the Capital	Yes	Medium
2481	Minimum Cuts to Divide a Circle	Yes	Easy
2482	Difference Between Ones and Zeros in Row and Column	Yes	Medium
2483	Minimum Penalty for a Shop	Yes	Medium
2484	Count Palindromic Subsequences	Yes	Hard
2485	Find the Pivot Integer	Yes	Easy
2486	Append Characters to String to Make Subsequence	Yes	Medium
2487	Remove Nodes From Linked List	Yes	Medium
2488	Count Subarrays With Median K	Yes	Hard
2490	Circular Sentence	Yes	Easy
2491	Divide Players Into Teams of Equal Skill	Yes	Medium
2492	Minimum Score of a Path Between Two Cities	Yes	Medium
2493	Divide Nodes Into the Maximum Number of Groups	Yes	Hard
2496	Maximum Value of a String in an Array	Yes	Easy
2497	Maximum Star Sum of a Graph	Yes	Medium
2498	Frog Jump II	Yes	Medium
2499	Minimum Total Cost to Make Arrays Unequal	Yes	Hard
2500	Delete Greatest Value in Each Row	Yes	Easy
2501	Longest Square Streak in an Array	Yes	Medium
2502	Design Memory Allocator	Yes	Medium
2503	Maximum Number of Points From Grid Queries	Yes	Hard
2506	Count Pairs Of Similar Strings	Yes	Easy
2507	Smallest Value After Replacing With Sum of Prime Factors	Yes	Medium
2508	Add Edges to Make Degrees of All Nodes Even	Yes	Hard
2509	Cycle Length Queries in a Tree	Yes	Hard
2511	Maximum Enemy Forts That Can Be Captured	Yes	Easy
2512	Reward Top K Students	Yes	Medium
2513	Minimize the Maximum of Two Arrays	Yes	Medium
2514	Count Anagrams	Yes	Hard
2515	Shortest Distance to Target String in a Circular Array	Yes	Easy
2516	Take K of Each Character From Left and Right	Yes	Medium
2517	Maximum Tastiness of Candy Basket	Yes	Medium
2520	Count the Digits That Divide a Number	Yes	Easy
2521	Distinct Prime Factors of Product of Array	Yes	Medium
2522	Partition String Into Substrings With Values at Most K	Yes	Medium
2523	Closest Prime Numbers in Range	Yes	Medium
2525	Categorize Box According to Criteria	Yes	Easy
2526	Find Consecutive Integers from a Data Stream	Yes	Medium
2527	Find Xor-Beauty of Array	Yes	Medium
2528	Maximize the Minimum Powered City	Yes	Hard
2529	Maximum Count of Positive Integer and Negative Integer	Yes	Easy
2530	Maximal Score After Applying K Operations	Yes	Medium
2531	Make Number of Distinct Characters Equal	Yes	Medium
2532	Time to Cross a Bridge	Yes	Hard
2535	Difference Between Element Sum and Digit Sum of an Array	Yes	Easy
2536	Increment Submatrices by One	Yes	Medium
2537	Count the Number of Good Subarrays	Yes	Medium
2540	Minimum Common Value	Yes	Easy
2541	Minimum Operations to Make Array Equal II	Yes	Medium
2542	Maximum Subsequence Score	Yes	Medium
2543	Check if Point Is Reachable	Yes	Hard
2544	Alternating Digit Sum	Yes	Easy
2545	Sort the Students by Their Kth Score	Yes	Medium
2546	Apply Bitwise Operations to Make Strings Equal	Yes	Medium
2547	Minimum Cost to Split an Array	Yes	Hard
2549	Count Distinct Numbers on Board	Yes	Easy
2550	Count Collisions of Monkeys on a Polygon	Yes	Medium
2551	Put Marbles in Bags	Yes	Hard
2552	Count Increasing Quadruplets	Yes	Hard
2553	Separate the Digits in an Array	Yes	Easy
2554	Maximum Number of Integers to Choose From a Range I	Yes	Medium
2555	Maximize Win From Two Segments	Yes	Medium
2556	Disconnect Path in a Binary Matrix by at Most One Flip	Yes	Medium
2558	Take Gifts From the Richest Pile	Yes	Easy
2559	Count Vowel Strings in Ranges	Yes	Medium
2560	House Robber IV	Yes	Medium
2561	Rearranging Fruits	Yes	Hard
2562	Find the Array Concatenation Value	Yes	Easy
2563	Count the Number of Fair Pairs	Yes	Medium
2564	Substring XOR Queries	Yes	Medium
2565	Subsequence With the Minimum Score	Yes	Hard
2566	Maximum Difference by Remapping a Digit	Yes	Easy
2567	Minimum Score by Changing Two Elements	Yes	Medium
2568	Minimum Impossible OR	Yes	Medium
2570	Merge Two 2D Arrays by Summing Values	Yes	Easy
2571	Minimum Operations to Reduce an Integer to 0	Yes	Easy
2572	Count the Number of Square-Free Subsets	Yes	Medium
2574	Left and Right Sum Differences	Yes	Easy
2575	Find the Divisibility Array of a String	Yes	Medium
2576	Find the Maximum Number of Marked Indices	Yes	Medium
2577	Minimum Time to Visit a Cell In a Grid	Yes	Hard
2578	Split With Minimum Sum	Yes	Easy
2579	Count Total Number of Colored Cells	Yes	Medium
2580	Count Ways to Group Overlapping Ranges	Yes	Medium
2581	Count Number of Possible Root Nodes	Yes	Hard
2582	Pass the Pillow	Yes	Easy
2583	Kth Largest Sum in a Binary Tree	Yes	Medium
2584	Split the Array to Make Coprime Products	Yes	Hard
2585	Number of Ways to Earn Points	Yes	Hard
2586	Count the Number of Vowel Strings in Range	Yes	Easy
2587	Rearrange Array to Maximize Prefix Score	Yes	Medium
2588	Count the Number of Beautiful Subarrays	Yes	Medium
2589	Minimum Time to Complete All Tasks	Yes	Hard
2597	The Number of Beautiful Subsets	Yes	Medium
2598	Smallest Missing Non-negative Integer After Operations	Yes	Medium
2600	K Items With the Maximum Sum	Yes	Easy
2601	Prime Subtraction Operation	Yes	Medium
2602	Minimum Operations to Make All Array Elements Equal	Yes	Medium
2605	Form Smallest Number From Two Digit Arrays	Yes	Medium
2608	Shortest Cycle in a Graph	Yes	Hard
2609	Find the Longest Balanced Substring of a Binary String	Yes	Easy
2610	Convert an Array Into a 2D Array With Conditions	Yes	Medium
2611	Mice and Cheese	Yes	Medium
2614	Prime In Diagonal	Yes	Easy
2615	Sum of Distances	Yes	Medium
2617	Minimum Number of Visited Cells in a Grid	Yes	Hard
2643	Row With Maximum Ones	Yes	Easy
2641	Cousins in Binary Tree II	Yes	Medium
2644	Find the Maximum Divisibility Score	Yes	Easy
2645	Minimum Additions to Make Valid String	Yes	Medium
2646	Minimize the Total Price of the Trips	Yes	Hard
2651	Calculate Delayed Arrival Time	Yes	Easy
2652	Sum Multiples	Yes	Easy
2653	Sliding Subarray Beauty	Yes	Medium
2654	Minimum Number of Operations to Make All Array Elements Equal to 1	Yes	Medium
2656	Maximum Sum With Exactly K Elements	Yes	Easy
2657	Find the Prefix Common Array of Two Arrays	Yes	Medium
2658	Maximum Number of Fish in a Grid	Yes	Medium
2659	Make Array Empty	Yes	Hard
2660	Determine the Winner of a Bowling Game	Yes	Easy
2661	First Completely Painted Row or Column	Yes	Medium
2662	Minimum Cost of a Path With Special Roads	Yes	Medium
2663	Lexicographically Smallest Beautiful String	Yes	Hard
2670	Find the Distinct Difference Array	Yes	Easy
2671	Frequency Tracker	Yes	Medium
2672	Number of Adjacent Elements With the Same Color	Yes	Medium
2673	Make Costs of Paths Equal in a Binary Tree	Yes	Medium
2679	Sum in a Matrix	Yes	Medium
2681	Power of Heroes	Yes	Hard
2682	Find the Losers of the Circular Game	Yes	Easy
2683	Neighboring Bitwise XOR	Yes	Medium
2684	Maximum Number of Moves in a Grid	Yes	Medium
2685	Count the Number of Complete Components	Yes	Medium
2695	Minimum String Length After Removing Substrings	Yes	Easy
2696	Lexicographically Smallest Palindrome	Yes	Medium
2698	Find the Punishment Number of an Integer	Yes	Medium
2699	Modify Graph Edge Weights	Yes	Hard
2706	Buy Two Chocolates	Yes	Easy
2707	Extra Characters in a String	Yes	Medium
2708	Maximum Strength of a Group	Yes	Medium
2709	Greatest Common Divisor Traversal	Yes	Hard
2710	Remove Trailing Zeros From a String	Yes	Easy
2711	Difference of Number of Distinct Values on Diagonals	Yes	Medium
2712	Minimum Cost to Make All Characters Equal	Yes	Medium
2713	Maximum Strictly Increasing Cells in a Matrix	Yes	Hard
2716	Minimize String Length	Yes	Easy
2717	Semi-Ordered Permutation	Yes	Easy
2718	Sum of Matrix After Queries	Yes	Medium
2719	Count of Integers	Yes	Hard
2729	Check if The Number is Fascinating	Yes	Easy
2730	Find the Longest Semi-Repetitive Substring	Yes	Medium
2731	Movement of Robots	Yes	Medium
2732	Find a Good Subset of the Matrix	Yes	Hard
2733	Neither Minimum nor Maximum	Yes	Easy
2734	Lexicographically Smallest String After Substring Operation	Yes	Medium
2736	Maximum Sum Queries	Yes	Hard
2735	Collecting Chocolates	Yes	Medium
2739	Total Distance Traveled	Yes	Easy
2740	Find the Value of the Partition	Yes	Medium
2741	Special Permutations	Yes	Medium
2742	Painting the Walls	Yes	Hard
2747	Count Zero Request Servers	Yes	Medium
2748	Number of Beautiful Pairs	Yes	Easy
2749	Minimum Operations to Make the Integer Zero	Yes	Medium
2750	Ways to Split Array Into Good Subarrays	Yes	Medium
2751	Robot Collisions	Yes	Hard
2760	Longest Even Odd Subarray With Threshold	Yes	Easy
2761	Prime Pairs With Target Sum	Yes	Medium
2762	Continuous Subarrays	Yes	Medium
2763	Sum of Imbalance Numbers of All Subarrays	Yes	Hard
2765	Longest Alternating Subarray	Yes	Easy
2766	Relocate Marbles	Yes	Medium
2767	Partition String Into Minimum Beautiful Substrings	Yes	Medium
2769	Find the Maximum Achievable Number	Yes	Easy
2770	Maximum Number of Jumps to Reach the Last Index	Yes	Medium
2771	Longest Non-decreasing Subarray From Two Arrays	Yes	Medium
2772	Apply Operations to Make All Array Elements Equal to Zero	Yes	Medium
2768	Number of Black Blocks	Yes	Medium
2785	Sort Vowels in a String	Yes	Medium
2786	Visit Array Positions to Maximize Score	Yes	Medium
2778	Sum of Squares of Special Elements	Yes	Easy
2779	Maximum Beauty of an Array After Applying Operation	Yes	Medium
2780	Minimum Index of a Valid Split	Yes	Medium
2781	Length of the Longest Valid Substring	Yes	Hard
2784	Check if Array is Good	Yes	Easy
2785	Sort Vowels in a String	Yes	Medium
2786	Visit Array Positions to Maximize Score	Yes	Medium
2787	Ways to Express an Integer as Sum of Powers	Yes	Medium
2788	Split Strings by Separator	Yes	Easy
2789	Largest Element in an Array after Merge Operations	Yes	Medium
2790	Maximum Number of Groups With Increasing Length	Yes	Hard
2791	Count Paths That Can Form a Palindrome in a Tree	Yes	Hard
2798	Number of Employees Who Met the Target	Yes	Easy
2799	Count Complete Subarrays in an Array	Yes	Medium
2800	Shortest String That Contains Three Strings	Yes	Medium
2801	Count Stepping Numbers in Range	Yes	Hard
2806	Account Balance After Rounded Purchase	Yes	Easy
2807	Insert Greatest Common Divisors in Linked List	Yes	Medium
2808	Minimum Seconds to Equalize a Circular Array	Yes	Medium
2809	Minimum Time to Make Array Sum At Most x	Yes	Hard
2810	Faulty Keyboard	Yes	Easy
2811	Check if it is Possible to Split Array	Yes	Medium
2812	Find the Safest Path in a Grid	Yes	Medium
2813	Maximum Elegance of a K-Length Subsequence	Yes	Hard
2815	Max Pair Sum in an Array	Yes	Easy
2816	Double a Number Represented as a Linked List	Yes	Medium
2817	Minimum Absolute Difference Between Elements With Constraint	Yes	Medium
2818	Apply Operations to Maximize Score	Yes	Hard
2824	Count Pairs Whose Sum is Less than Target	Yes	Easy
2825	Make String a Subsequence Using Cyclic Increments	Yes	Medium
2826	Sorting Three Groups	Yes	Medium
2827	Number of Beautiful Integers in the Range	Yes	Medium
2828	Check if a String Is an Acronym of Words	Yes	Easy
2829	Determine the Minimum Sum of a k-avoiding Array	Yes	Medium
2830	Maximize the Profit as the Salesman	Yes	Medium
2831	Find the Longest Equal Subarray	Yes	Medium
2833	Furthest Point From Origin	Yes	Easy
2834	Find the Minimum Possible Sum of a Beautiful Array	Yes	Medium
2835	Minimum Operations to Form Subsequence With Target Sum	Yes	Hard
2836	Maximize Value of Function in a Ball Passing Game	Yes	Hard
2839	Check if Strings Can be Made Equal With Operations I	Yes	Easy
2840	Check if Strings Can be Made Equal With Operations II	Yes	Medium
2841	Maximum Sum of Almost Unique Subarray	Yes	Medium
2842	Count K-Subsequences of a String With Maximum Beauty	Yes	Hard
2843	Count Symmetric Integers	Yes	Easy
2844	Minimum Operations to Make a Special Number	Yes	Medium
2845	Count of Interesting Subarrays	Yes	Medium
2846	Minimum Edge Weight Equilibrium Queries in a Tree	Yes	Hard
2848	Points That Intersect With Cars	Yes	Easy
2849	Determine if a Cell Is Reachable at a Given Time	Yes	Medium
2850	Minimum Moves to Spread Stones Over Grid	Yes	Medium
2855	Minimum Right Shifts to Sort the Array	Yes	Easy
2856	Minimum Array Length After Pair Removals	Yes	Medium
2857	Count Pairs of Points With Distance k	Yes	Medium
2858	Minimum Edge Reversals So Every Node Is Reachable	Yes	Hard
2859	Sum of Values at Indices With K Set Bits	Yes	Easy
2860	Happy Students	Yes	Medium
2861	Maximum Number of Alloys	Yes	Medium
2862	Maximum Element-Sum of a Complete Subset of Indices	Yes	Hard
2864	Maximum Odd Binary Number	Yes	Easy
2865	Beautiful Towers I	Yes	Medium
2866	Beautiful Towers II	Yes	Medium
2867	Count Valid Paths in a Tree	Yes	Hard
2869	Minimum Operations to Collect Elements	Yes	Easy
2870	Minimum Number of Operations to Make Array Empty	Yes	Medium
2871	Split Array Into Maximum Number of Subarrays	Yes	Medium
2872	Maximum Number of K-Divisible Components	Yes	Hard
2873	Maximum Value of an Ordered Triplet I	Yes	Easy
2874	Maximum Value of an Ordered Triplet II	Yes	Medium
2875	Minimum Size Subarray in Infinite Array	Yes	Medium
2876	Count Visited Nodes in a Directed Graph	Yes	Hard
2894	Divisible and Non-divisible Sums Difference	Yes	Easy
2895	Minimum Processing Time	Yes	Medium
2896	Apply Operations to Make Two Strings Equal	Yes	Medium
2897	Apply Operations on Array to Maximize Sum of Squares	Yes	Hard
2899	Last Visited Integers	Yes	Easy
2900	Longest Unequal Adjacent Groups Subsequence I	Yes	Medium
2901	Longest Unequal Adjacent Groups Subsequence II	Yes	Medium
2902	Count of Sub-Multisets With Bounded Sum	Yes	Hard
2903	Find Indices With Index and Value Difference I	Yes	Easy
2904	Shortest and Lexicographically Smallest Beautiful String	Yes	Medium
2905	Find Indices With Index and Value Difference II	Yes	Medium
2906	Construct Product Matrix	Yes	Medium
2908	Minimum Sum of Mountain Triplets I	Yes	Easy
2909	Minimum Sum of Mountain Triplets II	Yes	Medium
2910	Minimum Number of Groups to Create a Valid Assignment	Yes	Medium
2911	Minimum Changes to Make K Semi-palindromes	Yes	Hard
2911	Minimum Changes to Make K Semi-palindromes	Yes	Hard
2916	Subarrays Distinct Element Sum of Squares II	Yes	Hard
2919	Minimum Increment Operations to Make Array Beautiful	Yes	Medium
2920	Maximum Points After Collecting Coins From All Nodes	Yes	Hard
2923	Find Champion I	Yes	Easy
2924	Find Champion II	Yes	Medium
2925	Maximum Score After Applying Operations on a Tree	Yes	Medium
2926	Maximum Balanced Subsequence Sum	Yes	Hard
2928	Distribute Candies Among Children I	Yes	Easy
2929	Distribute Candies Among Children II	Yes	Medium
2930	Number of Strings Which Can Be Rearranged to Contain Substring	Yes	Medium
2932	Maximum Strong Pair XOR I	Yes	Easy
2933	High-Access Employees	Yes	Medium
2934	Minimum Operations to Maximize Last Elements in Arrays	Yes	Medium
2935	Maximum Strong Pair XOR II	Yes	Hard
2938	Separate Black and White Balls	Yes	Medium
2940	Find Building Where Alice and Bob Can Meet	Yes	Hard
2942	Find Words Containing Character	Yes	Easy
2943	Maximize Area of Square Hole in Grid	Yes	Medium
2944	Minimum Number of Coins for Fruits	Yes	Medium
2945	Find Maximum Non-decreasing Array Length	Yes	Hard
2947	Count Beautiful Substrings I	Yes	Medium
2948	Make Lexicographically Smallest Array by Swapping Elements	Yes	Medium
2949	Count Beautiful Substrings II	Yes	Hard
2952	Minimum Number of Coins to be Added	Yes	Medium
2953	Count Complete Substrings	Yes	Medium
2954	Count the Number of Infection Sequences	Yes	Hard
2956	Find Common Elements Between Two Arrays	Yes	Easy
2957	Remove Adjacent Almost-Equal Characters	Yes	Medium
2958	Length of Longest Subarray With at Most K Frequency	Yes	Medium
2959	Number of Possible Sets of Closing Branches	Yes	Hard
2960	Count Tested Devices After Test Operations	Yes	Easy
2961	Double Modular Exponentiation	Yes	Medium
2962	Count Subarrays Where Max Element Appears at Least K Times	Yes	Medium
2963	Count the Number of Good Partitions	Yes	Hard
2965	Find Missing and Repeated Values	Yes	Easy
2965	Divide Array Into Arrays With Max Difference	Yes	Medium
2967	Minimum Cost to Make Array Equalindromic	Yes	Medium
2968	Apply Operations to Maximize Frequency Score	Yes	Hard
2974	Minimum Number Game	Yes	Easy
2975	Maximum Square Area by Removing Fences From a Field	Yes	Medium
2976	Minimum Cost to Convert String I	Yes	Medium
2977	Minimum Cost to Convert String II	Yes	Hard
3027	Find the Number of Ways to Place People II	Yes	Hard
3030	Find the Grid of Region Average	Yes	Medium
3093	Longest Common Suffix Queries	Yes	Hard
3132	Find Edges in Shortest Paths	Yes	Hard