1 Two Sum
easy August 8, 2023
2 Add Two Numbers
medium August 7, 2023
3 Longest Substring Without Repeating Characters
medium August 8, 2023
4 Median of Two Sorted Arrays
hard August 8, 2023
5 Longest Palindromic Substring
medium August 7, 2023
6 Zigzag Conversion
medium August 16, 2023
7 Reverse Integer
medium August 8, 2023
8 String to Integer (atoi)
medium August 8, 2023
9 Palindrome Number
easy August 8, 2023
10 Regular Expression Matching
hard August 19, 2023
11 Container With Most Water
medium August 8, 2023
12 Integer to Roman
medium August 8, 2023
13 Roman to Integer
easy August 7, 2023
14 Longest Common Prefix
easy August 8, 2023
15 3Sum
medium August 8, 2023
16 3Sum Closest
medium August 15, 2023
17 Letter Combinations of a Phone Number
medium August 8, 2023
18 4Sum
medium August 18, 2023
19 Remove Nth Node From End of List
medium August 10, 2023
20 Valid Parentheses
easy August 8, 2023
21 Merge Two Sorted Lists
easy August 7, 2023
22 Generate Parentheses
medium August 8, 2023
23 Merge k Sorted Lists
hard August 10, 2023
24 Swap Nodes in Pairs
medium August 15, 2023
25 Reverse Nodes in k-Group
hard August 25, 2023
26 Remove Duplicates from Sorted Array
easy August 8, 2023
27 Remove Element
easy August 8, 2023
28 Find the Index of the First Occurrence in a String
easy August 7, 2023
29 Divide Two Integers
medium August 28, 2023
30 Substring with Concatenation of All Words
hard August 31, 2023
31 Next Permutation
medium August 8, 2023
32 Longest Valid Parentheses
hard August 18, 2023
33 Search in Rotated Sorted Array
medium August 7, 2023
34 Find First and Last Position of Element in Sorted Array
medium August 7, 2023
35 Search Insert Position
easy August 7, 2023
36 Valid Sudoku
medium August 8, 2023
37 Sudoku Solver
hard August 31, 2023
38 Count and Say
medium August 16, 2023
39 Combination Sum
medium August 8, 2023
40 Combination Sum II
medium August 8, 2023
41 First Missing Positive
hard August 8, 2023
42 Trapping Rain Water
hard August 27, 2023
43 Multiply Strings
medium August 7, 2023
44 Wildcard Matching
hard August 31, 2023
45 Jump Game II
medium August 8, 2023
46 Permutations
medium August 8, 2023
47 Permutations II
medium August 8, 2023
48 Rotate Image
medium August 8, 2023
49 Group Anagrams
medium August 8, 2023
50 Pow(x, n)
medium August 7, 2023
51 N-Queens
hard August 9, 2023
52 N-Queens II
hard August 9, 2023
53 Maximum Subarray
medium August 17, 2023
54 Spiral Matrix
medium August 7, 2023
55 Jump Game
medium August 8, 2023
56 Merge Intervals
medium August 17, 2023
57 Insert Interval
medium August 28, 2023
58 Length of Last Word
easy August 7, 2023
59 Spiral Matrix II
medium August 8, 2023
60 Permutation Sequence
hard August 9, 2023
61 Rotate List
medium August 10, 2023
62 Unique Paths
medium August 7, 2023
63 Unique Paths II
medium August 7, 2023
64 Minimum Path Sum
medium August 7, 2023
65 Valid Number
hard September 1, 2023
66 Plus One
easy August 7, 2023
67 Add Binary
easy August 7, 2023
68 Text Justification
hard August 9, 2023
69 Sqrt(x)
easy August 7, 2023
70 Climbing Stairs
easy August 7, 2023
71 Simplify Path
medium August 29, 2023
72 Edit Distance
medium August 21, 2023
73 Set Matrix Zeroes
medium August 7, 2023
74 Search a 2D Matrix
medium August 7, 2023
75 Sort Colors
medium August 8, 2023
76 Minimum Window Substring
hard August 9, 2023
77 Combinations
medium August 8, 2023
78 Subsets
medium August 17, 2023
79 Word Search
medium September 1, 2023
80 Remove Duplicates from Sorted Array II
medium August 18, 2023
81 Search in Rotated Sorted Array II
medium September 1, 2023
82 Remove Duplicates from Sorted List II
medium August 31, 2023
83 Remove Duplicates from Sorted List
easy August 8, 2023
84 Largest Rectangle in Histogram
hard August 27, 2023
85 Maximal Rectangle
hard September 1, 2023
86 Partition List
medium August 17, 2023
87 Scramble String
hard September 1, 2023
88 Merge Sorted Array
easy August 8, 2023
89 Gray Code
medium August 17, 2023
90 Subsets II
medium August 17, 2023
91 Decode Ways
medium August 8, 2023
92 Reverse Linked List II
medium August 18, 2023
93 Restore IP Addresses
medium August 18, 2023
94 Binary Tree Inorder Traversal
easy August 8, 2023
95 Unique Binary Search Trees II
medium August 8, 2023
96 Unique Binary Search Trees
medium August 8, 2023
97 Interleaving String
medium September 1, 2023
98 Validate Binary Search Tree
medium August 17, 2023
99 Recover Binary Search Tree
medium September 1, 2023
100 Same Tree
easy August 8, 2023
101 Symmetric Tree
easy August 30, 2023
102 Binary Tree Level Order Traversal
medium August 31, 2023
103 Binary Tree Zigzag Level Order Traversal
medium August 31, 2023
104 Maximum Depth of Binary Tree
easy August 8, 2023
105 Construct Binary Tree from Preorder and Inorder Traversal
medium August 31, 2023
106 Construct Binary Tree from Inorder and Postorder Traversal
medium August 31, 2023
107 Binary Tree Level Order Traversal II
medium August 31, 2023
108 Convert Sorted Array to Binary Search Tree
easy August 21, 2023
109 Convert Sorted List to Binary Search Tree
medium August 31, 2023
110 Balanced Binary Tree
easy August 31, 2023
111 Minimum Depth of Binary Tree
easy August 31, 2023
112 Path Sum
easy August 15, 2023
113 Path Sum II
medium August 15, 2023
114 Flatten Binary Tree to Linked List
medium August 15, 2023
115 Distinct Subsequences
hard August 30, 2023
116 Populating Next Right Pointers in Each Node
medium August 15, 2023
117 Populating Next Right Pointers in Each Node II
medium August 31, 2023
118 Pascal's Triangle
easy August 31, 2023
119 Pascal's Triangle II
easy August 31, 2023
120 Triangle
medium August 7, 2023
121 Best Time to Buy and Sell Stock
easy August 8, 2023
122 Best Time to Buy and Sell Stock II
medium August 21, 2023
123 Best Time to Buy and Sell Stock III
hard August 21, 2023
124 Binary Tree Maximum Path Sum
hard August 30, 2023
125 Valid Palindrome
easy August 9, 2023
126 Word Ladder II
hard September 1, 2023
127 Word Ladder
hard September 1, 2023
128 Longest Consecutive Sequence
medium August 31, 2023
129 Sum Root to Leaf Numbers
medium August 15, 2023
130 Surrounded Regions
medium September 3, 2023
131 Palindrome Partitioning
medium August 15, 2023
132 Palindrome Partitioning II
hard October 7, 2023
133 Clone Graph
medium August 19, 2023
134 Gas Station
medium August 8, 2023
135 Candy
hard August 9, 2023
136 Single Number
easy August 8, 2023
137 Single Number II
medium August 15, 2023
138 Copy List with Random Pointer
medium August 31, 2023
139 Word Break
medium August 7, 2023
140 Word Break II
hard August 9, 2023
141 Linked List Cycle
easy August 8, 2023
142 Linked List Cycle II
medium August 19, 2023
143 Reorder List
medium August 19, 2023
144 Binary Tree Preorder Traversal
easy September 1, 2023
145 Binary Tree Postorder Traversal
easy September 1, 2023
146 LRU Cache
medium September 2, 2023
147 Insertion Sort List
medium August 16, 2023
148 Sort List
medium August 16, 2023
149 Max Points on a Line
hard August 18, 2023
150 Evaluate Reverse Polish Notation
medium August 31, 2023
151 Reverse Words in a String
medium August 9, 2023
152 Maximum Product Subarray
medium September 4, 2023
153 Find Minimum in Rotated Sorted Array
medium August 7, 2023
154 Find Minimum in Rotated Sorted Array II
hard August 7, 2023
155 Min Stack
medium August 31, 2023
160 Intersection of Two Linked Lists
easy August 20, 2023
162 Find Peak Element
medium August 15, 2023
164 Maximum Gap
medium August 8, 2023
165 Compare Version Numbers
medium August 15, 2023
166 Fraction to Recurring Decimal
medium September 7, 2023
167 Two Sum II - Input Array Is Sorted
medium August 21, 2023
168 Excel Sheet Column Title
easy September 5, 2023
169 Majority Element
easy August 8, 2023
171 Excel Sheet Column Number
easy September 5, 2023
172 Factorial Trailing Zeroes
medium August 15, 2023
173 Binary Search Tree Iterator
medium September 1, 2023
174 Dungeon Game
hard September 6, 2023
179 Largest Number
medium August 17, 2023
187 Repeated DNA Sequences
medium August 9, 2023
188 Best Time to Buy and Sell Stock IV
hard August 29, 2023
189 Rotate Array
medium August 8, 2023
190 Reverse Bits
easy August 8, 2023
191 Number of 1 Bits
easy August 9, 2023
192 Word Frequency
medium September 6, 2023
193 Valid Phone Numbers
easy September 6, 2023
194 Transpose File
medium September 6, 2023
195 Tenth Line
easy August 17, 2023
198 House Robber
medium August 7, 2023
199 Binary Tree Right Side View
medium September 1, 2023
200 Number of Islands
medium September 3, 2023
201 Bitwise AND of Numbers Range
medium August 15, 2023
202 Happy Number
easy August 9, 2023
203 Remove Linked List Elements
easy September 6, 2023
204 Count Primes
medium August 15, 2023
205 Isomorphic Strings
easy August 18, 2023
206 Reverse Linked List
easy August 7, 2023
207 Course Schedule
medium September 4, 2023
208 Implement Trie (Prefix Tree)
medium August 10, 2023
209 Minimum Size Subarray Sum
medium August 31, 2023
210 Course Schedule II
medium September 4, 2023
211 Design Add and Search Words Data Structure
medium September 4, 2023
212 Word Search II
hard October 2, 2023
213 House Robber II
medium September 4, 2023
214 Shortest Palindrome
hard August 10, 2023
215 Kth Largest Element in an Array
medium August 8, 2023
216 Combination Sum III
medium August 14, 2023
217 Contains Duplicate
easy August 9, 2023
218 The Skyline Problem
hard September 6, 2023
219 Contains Duplicate II
easy August 9, 2023
220 Contains Duplicate III
hard August 9, 2023
221 Maximal Square
medium August 7, 2023
222 Count Complete Tree Nodes
easy September 1, 2023
223 Rectangle Area
medium September 7, 2023
224 Basic Calculator
hard September 9, 2023
225 Implement Stack using Queues
easy August 28, 2023
226 Invert Binary Tree
easy August 8, 2023
227 Basic Calculator II
medium September 8, 2023
228 Summary Ranges
easy August 31, 2023
229 Majority Element II
medium August 14, 2023
230 Kth Smallest Element in a BST
medium September 1, 2023
231 Power of Two
easy August 12, 2023
232 Implement Queue using Stacks
easy August 12, 2023
233 Number of Digit One
hard August 17, 2023
234 Palindrome Linked List
easy August 8, 2023
235 Lowest Common Ancestor of a Binary Search Tree
medium September 1, 2023
236 Lowest Common Ancestor of a Binary Tree
medium August 22, 2023
237 Delete Node in a Linked List
medium September 4, 2023
238 Product of Array Except Self
medium August 8, 2023
239 Sliding Window Maximum
hard August 9, 2023
240 Search a 2D Matrix II
medium September 7, 2023
241 Different Ways to Add Parentheses
medium September 8, 2023
242 Valid Anagram
easy August 7, 2023
257 Binary Tree Paths
easy August 22, 2023
258 Add Digits
easy August 12, 2023
260 Single Number III
medium September 4, 2023
263 Ugly Number
easy August 19, 2023
264 Ugly Number II
medium August 19, 2023
268 Missing Number
easy August 12, 2023
273 Integer to English Words
hard October 5, 2023
274 H-Index
medium August 31, 2023
275 H-Index II
medium August 7, 2023
278 First Bad Version
easy August 7, 2023
279 Perfect Squares
medium August 7, 2023
282 Expression Add Operators
hard March 24, 2024
283 Move Zeroes
easy August 7, 2023
284 Peeking Iterator
medium September 8, 2023
287 Find the Duplicate Number
medium August 8, 2023
289 Game of Life
medium August 22, 2023
290 Word Pattern
easy August 9, 2023
292 Nim Game
easy September 4, 2023
295 Find Median from Data Stream
hard August 17, 2023
297 Serialize and Deserialize Binary Tree
hard December 13, 2023
299 Bulls and Cows
medium September 8, 2023
300 Longest Increasing Subsequence
medium August 7, 2023
301 Remove Invalid Parentheses
hard March 28, 2024
303 Range Sum Query - Immutable
easy August 20, 2023
304 Range Sum Query 2D - Immutable
medium September 18, 2023
306 Additive Number
medium September 5, 2023
307 Range Sum Query - Mutable
medium September 5, 2023
309 Best Time to Buy and Sell Stock with Cooldown
medium August 29, 2023
310 Minimum Height Trees
medium September 11, 2023
312 Burst Balloons
hard September 15, 2023
313 Super Ugly Number
medium August 19, 2023
315 Count of Smaller Numbers After Self
hard August 17, 2023
316 Remove Duplicate Letters
medium September 9, 2023
318 Maximum Product of Word Lengths
medium September 7, 2023
319 Bulb Switcher
medium September 10, 2023
322 Coin Change
medium August 8, 2023
324 Wiggle Sort II
medium September 19, 2023
326 Power of Three
easy August 12, 2023
327 Count of Range Sum
hard September 29, 2023
328 Odd Even Linked List
medium September 12, 2023
329 Longest Increasing Path in a Matrix
hard September 17, 2023
330 Patching Array
hard March 26, 2024
331 Verify Preorder Serialization of a Binary Tree
medium October 12, 2023
332 Reconstruct Itinerary
hard September 17, 2023
334 Increasing Triplet Subsequence
medium September 11, 2023
335 Self Crossing
hard March 26, 2024
336 Palindrome Pairs
hard May 7, 2024
337 House Robber III
medium August 30, 2023
338 Counting Bits
easy August 12, 2023
341 Flatten Nested List Iterator
medium September 1, 2023
342 Power of Four
easy August 13, 2023
343 Integer Break
medium August 20, 2023
344 Reverse String
easy August 13, 2023
345 Reverse Vowels of a String
easy August 13, 2023
347 Top K Frequent Elements
medium August 8, 2023
349 Intersection of Two Arrays
easy August 13, 2023
350 Intersection of Two Arrays II
easy August 13, 2023
352 Data Stream as Disjoint Intervals
hard August 9, 2023
354 Russian Doll Envelopes
hard September 16, 2023
355 Design Twitter
medium September 11, 2023
357 Count Numbers with Unique Digits
medium September 7, 2023
363 Max Sum of Rectangle No Larger Than K
hard March 26, 2024
365 Water and Jug Problem
medium September 8, 2023
368 Largest Divisible Subset
medium September 11, 2023
371 Sum of Two Integers
medium September 2, 2023
372 Super Pow
medium August 20, 2023
373 Find K Pairs with Smallest Sums
medium August 14, 2023
374 Guess Number Higher or Lower
easy August 7, 2023
375 Guess Number Higher or Lower II
medium September 8, 2023
376 Wiggle Subsequence
medium September 8, 2023
377 Combination Sum IV
medium August 8, 2023
378 Kth Smallest Element in a Sorted Matrix
medium September 5, 2023
380 Insert Delete GetRandom O(1)
medium August 31, 2023
382 Linked List Random Node
medium September 11, 2023
383 Ransom Note
easy August 9, 2023
384 Shuffle an Array
medium August 18, 2023
385 Mini Parser
medium December 18, 2023
386 Lexicographical Numbers
medium September 19, 2023
387 First Unique Character in a String
easy August 13, 2023
388 Longest Absolute File Path
medium September 19, 2023
389 Find the Difference
easy August 7, 2023
390 Elimination Game
medium September 19, 2023
391 Perfect Rectangle
hard March 27, 2024
392 Is Subsequence
easy August 9, 2023
393 UTF-8 Validation
medium October 6, 2023
394 Decode String
medium September 7, 2023
395 Longest Substring with At Least K Repeating Characters
medium November 22, 2023
396 Rotate Function
medium October 3, 2023
397 Integer Replacement
medium August 22, 2023
398 Random Pick Index
medium September 11, 2023
399 Evaluate Division
medium September 13, 2023
400 Nth Digit
medium October 12, 2023
401 Binary Watch
easy September 8, 2023
402 Remove K Digits
medium August 15, 2023
403 Frog Jump
hard August 27, 2023
404 Sum of Left Leaves
easy September 1, 2023
405 Convert a Number to Hexadecimal
easy August 20, 2023
406 Queue Reconstruction by Height
medium September 19, 2023
407 Trapping Rain Water II
hard March 27, 2024
409 Longest Palindrome
easy August 15, 2023
410 Split Array Largest Sum
hard September 19, 2023
412 Fizz Buzz
easy August 13, 2023
413 Arithmetic Slices
medium August 22, 2023
414 Third Maximum Number
easy August 13, 2023
415 Add Strings
easy September 7, 2023
416 Partition Equal Subset Sum
medium September 4, 2023
417 Pacific Atlantic Water Flow
medium October 5, 2023
419 Battleships in a Board
medium December 19, 2023
421 Maximum XOR of Two Numbers in an Array
medium March 27, 2024
423 Reconstruct Original Digits from English
medium October 8, 2023
424 Longest Repeating Character Replacement
medium January 12, 2024
427 Construct Quad Tree
medium August 31, 2023
429 N-ary Tree Level Order Traversal
medium September 1, 2023
430 Flatten a Multilevel Doubly Linked List
medium August 15, 2023
432 All O`one Data Structure
hard November 23, 2023
435 Non-overlapping Intervals
medium September 13, 2023
436 Find Right Interval
medium August 7, 2023
437 Path Sum III
medium September 4, 2023
438 Find All Anagrams in a String
medium August 8, 2023
440 K-th Smallest in Lexicographical Order
hard June 11, 2024
441 Arranging Coins
easy August 7, 2023
442 Find All Duplicates in an Array
medium October 5, 2023
443 String Compression
medium September 12, 2023
445 Add Two Numbers II
medium August 7, 2023
446 Arithmetic Slices II - Subsequence
hard January 7, 2024
447 Number of Boomerangs
medium October 12, 2023
448 Find All Numbers Disappeared in an Array
easy August 13, 2023
449 Serialize and Deserialize BST
medium December 13, 2023
450 Delete Node in a BST
medium September 4, 2023
451 Sort Characters By Frequency
medium August 15, 2023
452 Minimum Number of Arrows to Burst Balloons
medium August 31, 2023
453 Minimum Moves to Equal Array Elements
medium August 21, 2023
454 4Sum II
medium August 19, 2023
455 Assign Cookies
easy August 14, 2023
456 132 Pattern
medium August 17, 2023
457 Circular Array Loop
medium October 5, 2023
458 Poor Pigs
hard December 6, 2023
459 Repeated Substring Pattern
easy August 7, 2023
460 LFU Cache
hard February 27, 2024
461 Hamming Distance
easy August 19, 2023
462 Minimum Moves to Equal Array Elements II
medium January 6, 2024
463 Island Perimeter
easy September 7, 2023
464 Can I Win
medium September 29, 2023
467 Unique Substrings in Wraparound String
medium March 25, 2024
468 Validate IP Address
medium January 6, 2024
470 Implement Rand10() Using Rand7()
medium August 14, 2023
472 Concatenated Words
hard September 19, 2023
473 Matchsticks to Square
medium August 17, 2023
474 Ones and Zeroes
medium August 8, 2023
475 Heaters
medium October 22, 2023
476 Number Complement
easy August 16, 2023
477 Total Hamming Distance
medium August 19, 2023
478 Generate Random Point in a Circle
medium September 23, 2023
479 Largest Palindrome Product
hard March 27, 2024
480 Sliding Window Median
hard February 26, 2024
481 Magical String
medium March 25, 2024
482 License Key Formatting
easy August 21, 2023
483 Smallest Good Base
hard September 30, 2023
485 Max Consecutive Ones
easy August 13, 2023
486 Predict the Winner
medium October 4, 2023
488 Zuma Game
hard May 28, 2024
491 Non-decreasing Subsequences
medium September 19, 2023
492 Construct the Rectangle
easy August 23, 2023
493 Reverse Pairs
hard November 22, 2023
494 Target Sum
medium August 16, 2023
495 Teemo Attacking
easy August 23, 2023
496 Next Greater Element I
easy August 16, 2023
497 Random Point in Non-overlapping Rectangles
medium September 23, 2023
498 Diagonal Traverse
medium August 16, 2023
500 Keyboard Row
easy August 14, 2023
501 Find Mode in Binary Search Tree
easy September 1, 2023
502 IPO
hard August 9, 2023
503 Next Greater Element II
medium August 14, 2023
504 Base 7
easy August 13, 2023
506 Relative Ranks
easy September 5, 2023
507 Perfect Number
easy August 13, 2023
508 Most Frequent Subtree Sum
medium September 1, 2023
509 Fibonacci Number
easy August 7, 2023
513 Find Bottom Left Tree Value
medium September 1, 2023
514 Freedom Trail
hard March 29, 2024
515 Find Largest Value in Each Tree Row
medium August 21, 2023
516 Longest Palindromic Subsequence
medium August 29, 2023
517 Super Washing Machines
hard September 23, 2023
518 Coin Change II
medium August 8, 2023
519 Random Flip Matrix
medium September 23, 2023
520 Detect Capital
easy September 9, 2023
521 Longest Uncommon Subsequence I
easy September 13, 2023
522 Longest Uncommon Subsequence II
medium December 1, 2023
523 Continuous Subarray Sum
medium March 27, 2024
524 Longest Word in Dictionary through Deleting
medium October 13, 2023
525 Contiguous Array
medium August 22, 2023
526 Beautiful Arrangement
medium August 8, 2023
528 Random Pick with Weight
medium August 7, 2023
529 Minesweeper
medium October 13, 2023
530 Minimum Absolute Difference in BST
easy August 31, 2023
532 K-diff Pairs in an Array
medium November 24, 2023
535 Encode and Decode TinyURL
medium August 21, 2023
537 Complex Number Multiplication
medium March 22, 2024
538 Convert BST to Greater Tree
medium September 1, 2023
539 Minimum Time Difference
medium August 15, 2023
540 Single Element in a Sorted Array
medium August 7, 2023
541 Reverse String II
easy September 7, 2023
542 01 Matrix
medium August 17, 2023
543 Diameter of Binary Tree
easy September 1, 2023
547 Number of Provinces
medium September 13, 2023
551 Student Attendance Record I
easy August 22, 2023
552 Student Attendance Record II
hard June 24, 2024
553 Optimal Division
medium October 7, 2023
554 Brick Wall
medium October 5, 2023
556 Next Greater Element III
medium August 14, 2023
557 Reverse Words in a String III
easy September 13, 2023
558 Logical OR of Two Binary Grids Represented as Quad-Trees
medium March 28, 2024
559 Maximum Depth of N-ary Tree
easy September 1, 2023
560 Subarray Sum Equals K
medium September 4, 2023
561 Array Partition
easy September 5, 2023
563 Binary Tree Tilt
easy September 2, 2023
564 Find the Closest Palindrome
hard December 21, 2023
565 Array Nesting
medium October 5, 2023
566 Reshape the Matrix
easy September 19, 2023
567 Permutation in String
medium August 22, 2023
572 Subtree of Another Tree
easy September 4, 2023
575 Distribute Candies
easy August 14, 2023
576 Out of Boundary Paths
medium January 29, 2024
581 Shortest Unsorted Continuous Subarray
medium September 23, 2023
583 Delete Operation for Two Strings
medium August 15, 2023
587 Erect the Fence
hard August 11, 2023
589 N-ary Tree Preorder Traversal
easy September 1, 2023
590 N-ary Tree Postorder Traversal
easy September 1, 2023
591 Tag Validator
hard July 10, 2024
592 Fraction Addition and Subtraction
medium March 28, 2024
593 Valid Square
medium October 7, 2023
594 Longest Harmonious Subsequence
easy September 19, 2023
598 Range Addition II
easy October 3, 2023
599 Minimum Index Sum of Two Lists
easy October 1, 2023
600 Non-negative Integers without Consecutive Ones
hard May 29, 2024
605 Can Place Flowers
easy August 22, 2023
606 Construct String from Binary Tree
medium September 4, 2023
609 Find Duplicate File in System
medium December 12, 2023
611 Valid Triangle Number
medium August 7, 2023
617 Merge Two Binary Trees
easy September 4, 2023
621 Task Scheduler
medium September 20, 2023
622 Design Circular Queue
medium August 14, 2023
623 Add One Row to Tree
medium September 4, 2023
628 Maximum Product of Three Numbers
easy September 5, 2023
630 Course Schedule III
hard November 28, 2023
632 Smallest Range Covering Elements from K Lists
hard September 23, 2023
633 Sum of Square Numbers
medium August 15, 2023
636 Exclusive Time of Functions
medium September 20, 2023
637 Average of Levels in Binary Tree
easy September 1, 2023
638 Shopping Offers
medium May 21, 2024
639 Decode Ways II
hard July 2, 2024
640 Solve the Equation
medium May 9, 2024
641 Design Circular Deque
medium October 19, 2023
643 Maximum Average Subarray I
easy September 11, 2023
645 Set Mismatch
easy August 15, 2023
646 Maximum Length of Pair Chain
medium August 26, 2023
647 Palindromic Substrings
medium October 5, 2023
648 Replace Words
medium August 15, 2023
649 Dota2 Senate
medium September 12, 2023
650 2 Keys Keyboard
medium August 15, 2023
652 Find Duplicate Subtrees
medium September 4, 2023
653 Two Sum IV - Input is a BST
easy October 3, 2023
654 Maximum Binary Tree
medium September 4, 2023
655 Print Binary Tree
medium September 4, 2023
657 Robot Return to Origin
easy August 7, 2023
658 Find K Closest Elements
medium August 7, 2023
659 Split Array into Consecutive Subsequences
medium September 23, 2023
661 Image Smoother
easy September 10, 2023
662 Maximum Width of Binary Tree
medium September 4, 2023
664 Strange Printer
hard February 22, 2024
665 Non-decreasing Array
medium October 17, 2023
667 Beautiful Arrangement II
medium May 20, 2024
669 Trim a Binary Search Tree
medium September 4, 2023
670 Maximum Swap
medium August 15, 2023
671 Second Minimum Node In a Binary Tree
easy September 4, 2023
672 Bulb Switcher II
medium October 22, 2023
673 Number of Longest Increasing Subsequence
medium August 29, 2023
674 Longest Continuous Increasing Subsequence
easy October 4, 2023
675 Cut Off Trees for Golf Event
hard October 16, 2023
676 Implement Magic Dictionary
medium September 20, 2023
677 Map Sum Pairs
medium September 20, 2023
678 Valid Parenthesis String
medium April 9, 2024
679 24 Game
hard September 10, 2023
680 Valid Palindrome II
easy September 23, 2023
682 Baseball Game
easy August 7, 2023
684 Redundant Connection
medium December 20, 2023
686 Repeated String Match
medium November 19, 2023
687 Longest Univalue Path
medium September 4, 2023
688 Knight Probability in Chessboard
medium December 29, 2023
689 Maximum Sum of 3 Non-Overlapping Subarrays
hard July 10, 2024
690 Employee Importance
medium September 9, 2023
691 Stickers to Spell Word
hard April 22, 2024
692 Top K Frequent Words
medium September 5, 2023
693 Binary Number with Alternating Bits
easy September 10, 2023
695 Max Area of Island
medium October 2, 2023
696 Count Binary Substrings
easy September 14, 2023
697 Degree of an Array
easy September 13, 2023
698 Partition to K Equal Sum Subsets
medium May 19, 2024
699 Falling Squares
hard September 29, 2023
700 Search in a Binary Search Tree
easy September 1, 2023
701 Insert into a Binary Search Tree
medium September 14, 2023
703 Kth Largest Element in a Stream
easy September 1, 2023
704 Binary Search
easy August 7, 2023
706 Design HashMap
easy October 4, 2023
707 Design Linked List
medium October 18, 2023
709 To Lower Case
easy August 7, 2023
710 Random Pick with Blacklist
hard September 20, 2023
712 Minimum ASCII Delete Sum for Two Strings
medium August 29, 2023
713 Subarray Product Less Than K
medium March 30, 2024
714 Best Time to Buy and Sell Stock with Transaction Fee
medium August 29, 2023
715 Range Module
hard April 22, 2024
717 1-bit and 2-bit Characters
easy August 15, 2023
718 Maximum Length of Repeated Subarray
medium November 24, 2023
720 Longest Word in Dictionary
medium September 5, 2023
721 Accounts Merge
medium October 5, 2023
722 Remove Comments
medium January 20, 2024
724 Find Pivot Index
easy September 12, 2023
725 Split Linked List in Parts
medium September 6, 2023
726 Number of Atoms
hard May 29, 2024
728 Self Dividing Numbers
easy September 14, 2023
729 My Calendar I
medium September 29, 2023
731 My Calendar II
medium November 23, 2023
732 My Calendar III
hard November 23, 2023
733 Flood Fill
easy October 4, 2023
735 Asteroid Collision
medium September 12, 2023
738 Monotone Increasing Digits
medium September 23, 2023
739 Daily Temperatures
medium August 10, 2023
740 Delete and Earn
medium August 29, 2023
743 Network Delay Time
medium September 23, 2023
744 Find Smallest Letter Greater Than Target
easy August 7, 2023
745 Prefix and Suffix Search
hard October 24, 2023
748 Shortest Completing Word
easy October 4, 2023
752 Open the Lock
medium October 7, 2023
753 Cracking the Safe
hard September 24, 2023
754 Reach a Number
medium September 21, 2023
756 Pyramid Transition Matrix
medium May 19, 2024
757 Set Intersection Size At Least Two
hard April 22, 2024
761 Special Binary String
hard January 19, 2024
762 Prime Number of Set Bits in Binary Representation
easy September 10, 2023
764 Largest Plus Sign
medium September 21, 2023
765 Couples Holding Hands
hard February 22, 2024
766 Toeplitz Matrix
easy October 1, 2023
767 Reorganize String
medium August 23, 2023
768 Max Chunks To Make Sorted II
hard May 28, 2024
769 Max Chunks To Make Sorted
medium September 23, 2023
773 Sliding Puzzle
hard October 20, 2023
775 Global and Local Inversions
medium May 8, 2024
777 Swap Adjacent in LR String
medium May 8, 2024
778 Swim in Rising Water
hard October 10, 2023
779 K-th Symbol in Grammar
medium October 26, 2023
781 Rabbits in Forest
medium October 24, 2023
783 Minimum Distance Between BST Nodes
easy October 6, 2023
784 Letter Case Permutation
medium August 24, 2023
785 Is Graph Bipartite?
medium October 5, 2023
786 K-th Smallest Prime Fraction
medium August 15, 2023
787 Cheapest Flights Within K Stops
medium October 6, 2023
788 Rotated Digits
medium October 6, 2023
789 Escape The Ghosts
medium October 24, 2023
790 Domino and Tromino Tiling
medium August 30, 2023
791 Custom Sort String
medium October 9, 2023
792 Number of Matching Subsequences
medium November 23, 2023
793 Preimage Size of Factorial Zeroes Function
hard November 27, 2023
794 Valid Tic-Tac-Toe State
medium October 9, 2023
795 Number of Subarrays with Bounded Maximum
medium July 5, 2024
796 Rotate String
easy October 6, 2023
799 Champagne Tower
medium October 25, 2023
804 Unique Morse Code Words
easy October 8, 2023
806 Number of Lines To Write String
easy October 8, 2023
807 Max Increase to Keep City Skyline
medium October 9, 2023
808 Soup Servings
medium May 18, 2024
810 Chalkboard XOR Game
hard July 5, 2024
811 Subdomain Visit Count
medium September 27, 2023
812 Largest Triangle Area
easy October 9, 2023
813 Largest Sum of Averages
medium October 9, 2023
815 Bus Routes
hard October 9, 2023
816 Ambiguous Coordinates
medium December 19, 2023
818 Race Car
hard March 1, 2024
819 Most Common Word
easy September 13, 2023
820 Short Encoding of Words
medium November 23, 2023
821 Shortest Distance to a Character
easy October 7, 2023
822 Card Flipping Game
medium October 24, 2023
824 Goat Latin
easy October 9, 2023
825 Friends Of Appropriate Ages
medium October 9, 2023
827 Making A Large Island
hard December 20, 2023
828 Count Unique Characters of All Substrings of a Given String
hard April 23, 2024
830 Positions of Large Groups
easy October 14, 2023
831 Masking Personal Information
medium January 6, 2024
832 Flipping an Image
easy October 15, 2023
833 Find And Replace in String
medium October 7, 2023
834 Sum of Distances in Tree
hard December 13, 2023
835 Image Overlap
medium March 8, 2024
836 Rectangle Overlap
easy October 22, 2023
839 Similar String Groups
hard October 16, 2023
840 Magic Squares In Grid
medium October 24, 2023
841 Keys and Rooms
medium September 13, 2023
842 Split Array into Fibonacci Sequence
medium October 13, 2023
843 Guess the Word
hard April 23, 2024
844 Backspace String Compare
easy October 9, 2023
845 Longest Mountain in Array
medium September 24, 2023
846 Hand of Straights
medium October 25, 2023
847 Shortest Path Visiting All Nodes
hard December 1, 2023
849 Maximize Distance to Closest Person
medium October 9, 2023
853 Car Fleet
medium October 25, 2023
855 Exam Room
medium October 26, 2023
857 Minimum Cost to Hire K Workers
hard November 20, 2023
859 Buddy Strings
easy October 11, 2023
860 Lemonade Change
easy August 7, 2023
861 Score After Flipping Matrix
medium October 24, 2023
864 Shortest Path to Get All Keys
hard October 16, 2023
865 Smallest Subtree with all the Deepest Nodes
medium September 2, 2023
866 Prime Palindrome
medium December 19, 2023
867 Transpose Matrix
easy October 22, 2023
868 Binary Gap
easy October 8, 2023
869 Reordered Power of 2
medium September 24, 2023
870 Advantage Shuffle
medium October 24, 2023
872 Leaf-Similar Trees
easy September 12, 2023
873 Length of Longest Fibonacci Subsequence
medium May 10, 2024
874 Walking Robot Simulation
medium January 6, 2024
875 Koko Eating Bananas
medium September 12, 2023
876 Middle of the Linked List
easy October 21, 2023
877 Stone Game
medium October 3, 2023
878 Nth Magical Number
hard November 27, 2023
879 Profitable Schemes
hard May 29, 2024
880 Decoded String at Index
medium September 28, 2023
881 Boats to Save People
medium November 3, 2023
883 Projection Area of 3D Shapes
easy October 23, 2023
884 Uncommon Words from Two Sentences
easy October 24, 2023
885 Spiral Matrix III
medium January 4, 2024
886 Possible Bipartition
medium January 6, 2024
888 Fair Candy Swap
easy October 25, 2023
889 Construct Binary Tree from Preorder and Postorder Traversal
medium March 22, 2024
890 Find and Replace Pattern
medium December 4, 2023
892 Surface Area of 3D Shapes
easy November 30, 2023
893 Groups of Special-Equivalent Strings
medium February 27, 2024
894 All Possible Full Binary Trees
medium December 13, 2023
896 Monotonic Array
easy August 7, 2023
897 Increasing Order Search Tree
easy November 1, 2023
898 Bitwise ORs of Subarrays
medium May 9, 2024
899 Orderly Queue
hard November 4, 2023
900 RLE Iterator
medium September 27, 2023
901 Online Stock Span
medium September 12, 2023
902 Numbers At Most N Given Digit Set
hard November 27, 2023
904 Fruit Into Baskets
medium October 24, 2023
905 Sort Array By Parity
easy August 18, 2023
906 Super Palindromes
hard September 28, 2023
907 Sum of Subarray Minimums
medium January 20, 2024
908 Smallest Range I
easy September 5, 2023
910 Smallest Range II
medium September 5, 2023
911 Online Election
medium November 23, 2023
912 Sort an Array
medium September 28, 2023
914 X of a Kind in a Deck of Cards
easy October 11, 2023
915 Partition Array into Disjoint Intervals
medium May 9, 2024
916 Word Subsets
medium August 17, 2023
917 Reverse Only Letters
easy October 25, 2023
919 Complete Binary Tree Inserter
medium December 13, 2023
920 Number of Music Playlists
hard February 28, 2024
921 Minimum Add to Make Parentheses Valid
medium December 21, 2023
922 Sort Array By Parity II
easy August 18, 2023
923 3Sum With Multiplicity
medium September 28, 2023
925 Long Pressed Name
easy October 11, 2023
927 Three Equal Parts
hard July 31, 2024
930 Binary Subarrays With Sum
medium January 7, 2024
931 Minimum Falling Path Sum
medium August 29, 2023
932 Beautiful Array
medium November 22, 2023
933 Number of Recent Calls
easy September 12, 2023
934 Shortest Bridge
medium October 2, 2023
935 Knight Dialer
medium November 27, 2023
937 Reorder Data in Log Files
medium May 28, 2024
938 Range Sum of BST
easy September 2, 2023
939 Minimum Area Rectangle
medium March 29, 2024
940 Distinct Subsequences II
hard June 4, 2024
941 Valid Mountain Array
easy October 7, 2023
942 DI String Match
easy November 29, 2023
944 Delete Columns to Make Sorted
easy December 19, 2023
945 Minimum Increment to Make Array Unique
medium September 27, 2023
946 Validate Stack Sequences
medium September 26, 2023
947 Most Stones Removed with Same Row or Column
medium May 9, 2024
948 Bag of Tokens
medium February 28, 2024
949 Largest Time for Given Digits
medium September 27, 2023
950 Reveal Cards In Increasing Order
medium November 23, 2023
951 Flip Equivalent Binary Trees
medium December 13, 2023
952 Largest Component Size by Common Factor
hard June 4, 2024
954 Array of Doubled Pairs
medium December 4, 2023
955 Delete Columns to Make Sorted II
medium October 26, 2023
956 Tallest Billboard
hard June 2, 2024
957 Prison Cells After N Days
medium October 26, 2023
959 Regions Cut By Slashes
medium December 4, 2023
960 Delete Columns to Make Sorted III
hard August 3, 2024
961 N-Repeated Element in Size 2N Array
easy December 4, 2023
962 Maximum Width Ramp
medium December 19, 2023
963 Minimum Area Rectangle II
medium May 10, 2024
965 Univalued Binary Tree
easy September 2, 2023
967 Numbers With Same Consecutive Differences
medium September 26, 2023
968 Binary Tree Cameras
hard January 19, 2024
970 Powerful Integers
medium October 7, 2023
972 Equal Rational Numbers
hard June 4, 2024
973 K Closest Points to Origin
medium September 28, 2023
975 Odd Even Jump
hard April 24, 2024
976 Largest Perimeter Triangle
easy August 7, 2023
980 Unique Paths III
hard September 22, 2023
982 Triples with Bitwise AND Equal To Zero
hard August 9, 2023
983 Minimum Cost For Tickets
medium August 8, 2023
984 String Without AAA or BBB
medium October 13, 2023
985 Sum of Even Numbers After Queries
medium September 23, 2023
986 Interval List Intersections
medium December 21, 2023
988 Smallest String Starting From Leaf
medium September 24, 2023
989 Add to Array-Form of Integer
easy October 27, 2023
990 Satisfiability of Equality Equations
medium October 16, 2023
991 Broken Calculator
medium November 28, 2023
992 Subarrays with K Different Integers
hard September 28, 2023
994 Rotting Oranges
medium August 8, 2023
995 Minimum Number of K Consecutive Bit Flips
hard August 9, 2023
997 Find the Town Judge
easy October 2, 2023
998 Maximum Binary Tree II
medium August 2, 2024
999 Available Captures for Rook
easy October 23, 2023
1001 Grid Illumination
hard June 4, 2024
1002 Find Common Characters
easy December 2, 2023
1003 Check If Word Is Valid After Substitutions
medium December 21, 2023
1004 Max Consecutive Ones III
medium September 11, 2023
1005 Maximize Sum Of Array After K Negations
easy November 27, 2023
1006 Clumsy Factorial
medium October 27, 2023
1007 Minimum Domino Rotations For Equal Row
medium May 30, 2024
1008 Construct Binary Search Tree from Preorder Traversal
medium December 20, 2023
1009 Complement of Base 10 Integer
easy August 14, 2023
1011 Capacity To Ship Packages Within D Days
medium November 2, 2023
1012 Numbers With Repeated Digits
hard May 30, 2024
1013 Partition Array Into Three Parts With Equal Sum
easy October 12, 2023
1015 Smallest Integer Divisible by K
medium October 14, 2023
1016 Binary String With Substrings Representing 1 To N
medium October 14, 2023
1017 Convert to Base -2
medium October 13, 2023
1018 Binary Prefix Divisible By 5
easy October 21, 2023
1019 Next Greater Node In Linked List
medium October 16, 2023
1020 Number of Enclaves
medium October 2, 2023
1021 Remove Outermost Parentheses
easy November 26, 2023
1022 Sum of Root To Leaf Binary Numbers
easy December 13, 2023
1023 Camelcase Matching
medium November 23, 2023
1024 Video Stitching
medium March 17, 2024
1027 Longest Arithmetic Subsequence
medium August 8, 2023
1030 Matrix Cells in Distance Order
easy December 19, 2023
1032 Stream of Characters
hard September 30, 2023
1033 Moving Stones Until Consecutive
medium October 3, 2023
1034 Coloring A Border
medium December 20, 2023
1035 Uncrossed Lines
medium August 30, 2023
1036 Escape a Large Maze
hard December 20, 2023
1037 Valid Boomerang
easy October 7, 2023
1038 Binary Search Tree to Greater Sum Tree
medium November 23, 2023
1040 Moving Stones Until Consecutive II
medium July 18, 2024
1041 Robot Bounded In Circle
medium August 7, 2023
1042 Flower Planting With No Adjacent
medium February 29, 2024
1043 Partition Array for Maximum Sum
medium January 4, 2024
1046 Last Stone Weight
easy October 26, 2023
1047 Remove All Adjacent Duplicates In String
easy August 9, 2023
1048 Longest String Chain
medium September 23, 2023
1049 Last Stone Weight II
medium May 10, 2024
1051 Height Checker
easy October 26, 2023
1053 Previous Permutation With One Swap
medium June 19, 2024
1061 Lexicographically Smallest Equivalent String
medium October 5, 2023
1071 Greatest Common Divisor of Strings
easy August 14, 2023
1072 Flip Columns For Maximum Number of Equal Rows
medium January 14, 2024
1073 Adding Two Negabinary Numbers
medium June 11, 2024
1074 Number of Submatrices That Sum to Target
hard May 6, 2024
1078 Occurrences After Bigram
easy November 5, 2023
1079 Letter Tile Possibilities
medium September 28, 2023
1081 Smallest Subsequence of Distinct Characters
medium February 29, 2024
1089 Duplicate Zeros
easy August 9, 2023
1091 Shortest Path in Binary Matrix
medium October 2, 2023
1092 Shortest Common Supersequence
hard May 4, 2024
1093 Statistics from a Large Sample
medium October 27, 2023
1094 Car Pooling
medium September 23, 2023
1095 Find in Mountain Array
hard July 13, 2024
1103 Distribute Candies to People
easy November 7, 2023
1104 Path In Zigzag Labelled Binary Tree
medium February 29, 2024
1105 Filling Bookcase Shelves
medium April 2, 2024
1106 Parsing A Boolean Expression
hard September 28, 2023
1108 Defanging an IP Address
easy October 27, 2023
1109 Corporate Flight Bookings
medium November 5, 2023
1111 Maximum Nesting Depth of Two Valid Parentheses Strings
medium March 21, 2024
1114 Print in Order
easy August 8, 2023
1115 Print FooBar Alternately
medium September 4, 2023
1116 Print Zero Even Odd
medium September 4, 2023
1117 Building H2O
medium June 11, 2024
1122 Relative Sort Array
easy November 7, 2023
1123 Lowest Common Ancestor of Deepest Leaves
medium October 31, 2023
1124 Longest Well-Performing Interval
medium April 2, 2024
1125 Smallest Sufficient Team
hard February 22, 2024
1128 Number of Equivalent Domino Pairs
easy December 10, 2023
1129 Shortest Path with Alternating Colors
medium October 2, 2023
1131 Maximum of Absolute Value Expression
medium April 2, 2024
1137 N-th Tribonacci Number
easy August 7, 2023
1138 Alphabet Board Path
medium November 7, 2023
1140 Stone Game II
medium July 19, 2024
1143 Longest Common Subsequence
medium August 18, 2023
1144 Decrease Elements To Make Array Zigzag
medium April 3, 2024
1145 Binary Tree Coloring Game
medium June 28, 2024
1146 Snapshot Array
medium August 7, 2023
1154 Day of the Year
easy November 2, 2023
1155 Number of Dice Rolls With Target Sum
medium December 26, 2023
1160 Find Words That Can Be Formed by Characters
easy November 7, 2023
1163 Last Substring in Lexicographical Order
hard May 8, 2024
1169 Invalid Transactions
medium December 12, 2023
1170 Compare Strings by Frequency of the Smallest Character
medium November 23, 2023
1171 Remove Zero Sum Consecutive Nodes from Linked List
medium November 23, 2023
1175 Prime Arrangements
easy September 26, 2023
1177 Can Make Palindrome from Substring
medium March 31, 2024
1178 Number of Valid Words for Each Puzzle
hard November 7, 2023
1184 Distance Between Bus Stops
easy December 12, 2023
1185 Day of the Week
easy November 2, 2023
1186 Maximum Subarray Sum with One Deletion
medium May 10, 2024
1189 Maximum Number of Balloons
easy October 28, 2023
1190 Reverse Substrings Between Each Pair of Parentheses
medium January 7, 2024
1192 Critical Connections in a Network
hard February 29, 2024
1195 Fizz Buzz Multithreaded
medium June 12, 2024
1200 Minimum Absolute Difference
easy December 19, 2023
1201 Ugly Number III
medium September 2, 2023
1202 Smallest String With Swaps
medium December 4, 2023
1203 Sort Items by Groups Respecting Dependencies
hard August 6, 2024
1207 Unique Number of Occurrences
easy September 12, 2023
1208 Get Equal Substrings Within Budget
medium January 8, 2024
1210 Minimum Moves to Reach Target with Rotations
hard March 14, 2024
1217 Minimum Cost to Move Chips to The Same Position
easy November 28, 2023
1218 Longest Arithmetic Subsequence of Given Difference
medium September 17, 2023
1219 Path with Maximum Gold
medium January 7, 2024
1220 Count Vowels Permutation
hard October 29, 2023
1221 Split a String in Balanced Strings
easy November 28, 2023
1222 Queens That Can Attack the King
medium November 1, 2023
1223 Dice Roll Simulation
hard April 3, 2024
1224 Maximum Equal Frequency
hard April 3, 2024
1227 Airplane Seat Assignment Probability
medium October 29, 2023
1232 Check If It Is a Straight Line
easy August 7, 2023
1233 Remove Sub-Folders from the Filesystem
medium March 9, 2024
1234 Replace the Substring for Balanced String
medium March 9, 2024
1235 Maximum Profit in Job Scheduling
hard January 7, 2024
1237 Find Positive Integer Solution for a Given Equation
medium November 24, 2023
1238 Circular Permutation in Binary Representation
medium December 28, 2023
1239 Maximum Length of a Concatenated String with Unique Characters
medium January 24, 2024
1240 Tiling a Rectangle with the Fewest Squares
hard May 7, 2024
1247 Minimum Swaps to Make Strings Equal
medium March 11, 2024
1248 Count Number of Nice Subarrays
medium December 7, 2023
1249 Minimum Remove to Make Valid Parentheses
medium April 1, 2024
1250 Check If It Is a Good Array
hard November 30, 2023
1252 Cells with Odd Values in a Matrix
easy December 19, 2023
1253 Reconstruct a 2-Row Binary Matrix
medium April 1, 2024
1254 Number of Closed Islands
medium October 14, 2023
1255 Maximum Score Words Formed by Letters
hard October 11, 2023
1260 Shift 2D Grid
easy December 21, 2023
1261 Find Elements in a Contaminated Binary Tree
medium October 31, 2023
1262 Greatest Sum Divisible by Three
medium August 14, 2023
1263 Minimum Moves to Move a Box to Their Target Location
hard July 10, 2024
1266 Minimum Time Visiting All Points
easy November 30, 2023
1267 Count Servers that Communicate
medium November 11, 2023
1268 Search Suggestions System
medium September 12, 2023
1269 Number of Ways to Stay in the Same Place After Some Steps
hard October 15, 2023
1275 Find Winner on a Tic Tac Toe Game
easy August 7, 2023
1276 Number of Burgers with No Waste of Ingredients
medium September 15, 2023
1277 Count Square Submatrices with All Ones
medium January 8, 2024
1281 Subtract the Product and Sum of Digits of an Integer
easy December 1, 2023
1282 Group the People Given the Group Size They Belong To
medium September 12, 2023
1283 Find the Smallest Divisor Given a Threshold
medium November 24, 2023
1284 Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
hard November 6, 2023
1286 Iterator for Combination
medium September 29, 2023
1287 Element Appearing More Than 25% In Sorted Array
easy December 11, 2023
1290 Convert Binary Number in a Linked List to Integer
easy December 19, 2023
1291 Sequential Digits
medium September 24, 2023
1295 Find Numbers with Even Number of Digits
easy October 20, 2023
1296 Divide Array in Sets of K Consecutive Numbers
medium December 6, 2023
1297 Maximum Number of Occurrences of a Substring
medium April 1, 2024
1299 Replace Elements with Greatest Element on Right Side
easy August 14, 2023
1300 Sum of Mutated Array Closest to Target
medium May 10, 2024
1302 Deepest Leaves Sum
medium October 19, 2023
1304 Find N Unique Integers Sum up to Zero
easy November 12, 2023
1305 All Elements in Two Binary Search Trees
medium October 31, 2023
1306 Jump Game III
medium October 2, 2023
1309 Decrypt String from Alphabet to Integer Mapping
easy December 21, 2023
1310 XOR Queries of a Subarray
medium January 9, 2024
1311 Get Watched Videos by Your Friends
medium May 11, 2024
1312 Minimum Insertion Steps to Make a String Palindrome
hard September 17, 2023
1313 Decompress Run-Length Encoded List
easy November 16, 2023
1314 Matrix Block Sum
medium March 7, 2024
1315 Sum of Nodes with Even-Valued Grandparent
medium October 29, 2023
1316 Distinct Echo Substrings
hard August 10, 2023
1317 Convert Integer to the Sum of Two No-Zero Integers
easy November 3, 2023
1318 Minimum Flips to Make a OR b Equal to c
medium September 11, 2023
1319 Number of Operations to Make Network Connected
medium May 3, 2024
1323 Maximum 69 Number
easy November 28, 2023
1324 Print Words Vertically
medium September 23, 2023
1325 Delete Leaves With a Given Value
medium October 29, 2023
1328 Break a Palindrome
medium January 9, 2024
1329 Sort the Matrix Diagonally
medium December 23, 2023
1331 Rank Transform of an Array
easy January 12, 2024
1332 Remove Palindromic Subsequences
easy January 12, 2024
1333 Filter Restaurants by Vegan-Friendly, Price and Distance
medium October 29, 2023
1334 Find the City With the Smallest Number of Neighbors at a Threshold Distance
medium March 5, 2024
1335 Minimum Difficulty of a Job Schedule
hard November 4, 2023
1337 The K Weakest Rows in a Matrix
easy September 18, 2023
1339 Maximum Product of Splitted Binary Tree
medium December 15, 2023
1342 Number of Steps to Reduce a Number to Zero
easy December 12, 2023
1343 Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold
medium January 9, 2024
1344 Angle Between Hands of a Clock
medium October 29, 2023
1345 Jump Game IV
hard November 6, 2023
1346 Check If N and Its Double Exist
easy October 11, 2023
1347 Minimum Number of Steps to Make Two Strings Anagram
medium September 28, 2023
1348 Tweet Counts Per Frequency
medium September 29, 2023
1349 Maximum Students Taking Exam
hard June 17, 2024
1351 Count Negative Numbers in a Sorted Matrix
easy August 7, 2023
1352 Product of the Last K Numbers
medium September 30, 2023
1356 Sort Integers by The Number of 1 Bits
easy October 30, 2023
1357 Apply Discount Every n Orders
medium November 9, 2023
1358 Number of Substrings Containing All Three Characters
medium December 7, 2023
1359 Count All Valid Pickup and Delivery Options
hard October 10, 2023
1360 Number of Days Between Two Dates
easy December 6, 2023
1361 Validate Binary Tree Nodes
medium October 17, 2023
1362 Closest Divisors
medium November 9, 2023
1363 Largest Multiple of Three
hard October 30, 2023
1366 Rank Teams by Votes
medium September 28, 2023
1367 Linked List in Binary Tree
medium November 9, 2023
1368 Minimum Cost to Make at Least One Valid Path in a Grid
hard December 8, 2023
1370 Increasing Decreasing String
easy January 9, 2024
1371 Find the Longest Substring Containing Vowels in Even Counts
medium December 7, 2023
1372 Longest ZigZag Path in a Binary Tree
medium September 12, 2023
1374 Generate a String With Characters That Have Odd Counts
easy January 2, 2024
1375 Number of Times Binary String Is Prefix-Aligned
medium January 5, 2024
1376 Time Needed to Inform All Employees
medium October 2, 2023
1379 Find a Corresponding Node of a Binary Tree in a Clone of That Tree
easy November 25, 2023
1380 Lucky Numbers in a Matrix
easy January 9, 2024
1381 Design a Stack With Increment Operation
medium October 19, 2023
1382 Balance a Binary Search Tree
medium November 22, 2023
1383 Maximum Performance of a Team
hard June 17, 2024
1385 Find the Distance Value Between Two Arrays
easy November 10, 2023
1387 Sort Integers by The Power Value
medium September 29, 2023
1389 Create Target Array in the Given Order
easy November 9, 2023
1390 Four Divisors
medium November 9, 2023
1391 Check if There is a Valid Path in a Grid
medium January 10, 2024
1392 Longest Happy Prefix
hard August 10, 2023
1394 Find Lucky Integer in an Array
easy November 9, 2023
1395 Count Number of Teams
medium November 9, 2023
1396 Design Underground System
medium October 19, 2023
1399 Count Largest Group
easy December 12, 2023
1400 Construct K Palindrome Strings
medium December 8, 2023
1401 Circle and Rectangle Overlapping
medium December 1, 2023
1402 Reducing Dishes
hard October 3, 2023
1403 Minimum Subsequence in Non-Increasing Order
easy January 10, 2024
1404 Number of Steps to Reduce a Number in Binary Representation to One
medium November 10, 2023
1405 Longest Happy String
medium November 30, 2023
1406 Stone Game III
hard October 3, 2023
1408 String Matching in an Array
easy November 10, 2023
1409 Queries on a Permutation With Key
medium January 10, 2024
1410 HTML Entity Parser
medium December 7, 2023
1411 Number of Ways to Paint N × 3 Grid
hard March 12, 2024
1413 Minimum Value to Get Positive Step by Step Sum
easy January 11, 2024
1414 Find the Minimum Number of Fibonacci Numbers Whose Sum Is K
medium November 10, 2023
1415 The k-th Lexicographical String of All Happy Strings of Length n
medium January 10, 2024
1417 Reformat The String
easy November 3, 2023
1418 Display Table of Food Orders in a Restaurant
medium November 1, 2023
1420 Build Array Where You Can Find The Maximum Exactly K Comparisons
hard June 13, 2024
1422 Maximum Score After Splitting a String
easy December 16, 2023
1423 Maximum Points You Can Obtain from Cards
medium November 13, 2023
1424 Diagonal Traverse II
medium November 22, 2023
1425 Constrained Subsequence Sum
hard November 28, 2023
1431 Kids With the Greatest Number of Candies
easy September 11, 2023
1432 Max Difference You Can Get From Changing an Integer
medium November 13, 2023
1433 Check If a String Can Break Another String
medium November 13, 2023
1436 Destination City
easy November 13, 2023
1437 Check If All 1's Are at Least Length K Places Away
easy December 16, 2023
1438 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
medium December 3, 2023
1442 Count Triplets That Can Form Two Arrays of Equal XOR
medium December 8, 2023
1443 Minimum Time to Collect All Apples in a Tree
medium December 6, 2023
1446 Consecutive Characters
easy November 13, 2023
1447 Simplified Fractions
medium November 13, 2023
1449 Form Largest Integer With Digits That Add up to Target
hard April 8, 2024
1450 Number of Students Doing Homework at a Given Time
easy November 13, 2023
1451 Rearrange Words in a Sentence
medium November 13, 2023
1452 People Whose List of Favorite Companies Is Not a Subset of Another List
medium November 13, 2023
1455 Check If a Word Occurs As a Prefix of Any Word in a Sentence
easy November 26, 2023
1456 Maximum Number of Vowels in a Substring of Given Length
medium September 12, 2023
1457 Pseudo-Palindromic Paths in a Binary Tree
medium December 15, 2023
1458 Max Dot Product of Two Subsequences
hard October 10, 2023
1460 Make Two Arrays Equal by Reversing Subarrays
easy January 11, 2024
1461 Check If a String Contains All Binary Codes of Size K
medium October 22, 2023
1462 Course Schedule IV
medium March 6, 2024
1463 Cherry Pickup II
hard October 3, 2023
1464 Maximum Product of Two Elements in an Array
easy November 17, 2023
1466 Reorder Routes to Make All Paths Lead to the City Zero
medium September 13, 2023
1470 Shuffle the Array
easy October 3, 2023
1471 The k Strongest Values in an Array
medium January 10, 2024
1476 Subrectangle Queries
medium October 12, 2023
1477 Find Two Non-overlapping Sub-arrays Each With Target Sum
medium May 3, 2024
1480 Running Sum of 1d Array
easy December 23, 2023
1481 Least Number of Unique Integers after K Removals
medium December 7, 2023
1482 Minimum Number of Days to Make m Bouquets
medium May 3, 2024
1483 Kth Ancestor of a Tree Node
hard November 13, 2023
1486 XOR Operation in an Array
easy December 30, 2023
1487 Making File Names Unique
medium April 8, 2024
1488 Avoid Flood in The City
medium May 3, 2024
1491 Average Salary Excluding the Minimum and Maximum Salary
easy August 7, 2023
1492 The kth Factor of n
medium September 7, 2023
1493 Longest Subarray of 1's After Deleting One Element
medium September 12, 2023
1496 Path Crossing
easy December 12, 2023
1497 Check If Array Pairs Are Divisible by k
medium March 6, 2024
1498 Number of Subsequences That Satisfy the Given Sum Condition
medium September 7, 2023
1502 Can Make Arithmetic Progression From Sequence
easy August 7, 2023
1503 Last Moment Before All Ants Fall Out of a Plank
medium November 3, 2023
1504 Count Submatrices With All Ones
medium July 20, 2024
1507 Reformat Date
easy January 11, 2024
1510 Stone Game IV
hard October 3, 2023
1513 Number of Substrings With Only 1s
medium May 2, 2024
1514 Path with Maximum Probability
medium December 3, 2023
1515 Best Position for a Service Centre
hard September 24, 2023
1518 Water Bottles
easy December 17, 2023
1519 Number of Nodes in the Sub-Tree With the Same Label
medium December 8, 2023
1521 Find a Value of a Mysterious Function Closest to Target
hard June 13, 2024
1523 Count Odd Numbers in an Interval Range
easy August 7, 2023
1524 Number of Sub-arrays With Odd Sum
medium May 3, 2024
1525 Number of Good Ways to Split a String
medium November 1, 2023
1528 Shuffle String
easy December 23, 2023
1529 Minimum Suffix Flips
medium January 4, 2024
1530 Number of Good Leaf Nodes Pairs
medium November 30, 2023
1534 Count Good Triplets
easy November 1, 2023
1535 Find the Winner of an Array Game
medium November 4, 2023
1539 Kth Missing Positive Number
easy August 7, 2023
1540 Can Convert String in K Moves
medium July 20, 2024
1544 Make The String Great
easy November 26, 2023
1545 Find Kth Bit in Nth Binary String
medium July 20, 2024
1546 Maximum Number of Non-Overlapping Subarrays With Sum Equals Target
medium May 3, 2024
1550 Three Consecutive Odds
easy November 14, 2023
1551 Minimum Operations to Make Array Equal
medium December 23, 2023
1552 Magnetic Force Between Two Balls
medium November 24, 2023
1553 Minimum Number of Days to Eat N Oranges
hard September 29, 2023
1556 Thousand Separator
easy November 3, 2023
1557 Minimum Number of Vertices to Reach All Nodes
medium October 2, 2023
1558 Minimum Numbers of Function Calls to Make Target Array
medium January 12, 2024
1559 Detect Cycles in 2D Grid
medium January 22, 2024
1560 Most Visited Sector in a Circular Track
easy December 16, 2023
1562 Find Latest Group of Size M
medium May 3, 2024
1566 Detect Pattern of Length M Repeated K or More Times
easy October 14, 2023
1567 Maximum Length of Subarray With Positive Product
medium May 3, 2024
1572 Matrix Diagonal Sum
easy August 7, 2023
1573 Number of Ways to Split a String
medium January 22, 2024
1574 Shortest Subarray to be Removed to Make Array Sorted
medium March 6, 2024
1575 Count All Possible Routes
hard January 18, 2024
1576 Replace All ?'s to Avoid Consecutive Repeating Characters
easy December 6, 2023
1577 Number of Ways Where Square of Number Is Equal to Product of Two Numbers
medium December 8, 2023
1578 Minimum Time to Make Rope Colorful
medium November 3, 2023
1582 Special Positions in a Binary Matrix
easy December 13, 2023
1583 Count Unhappy Friends
medium August 2, 2024
1588 Sum of All Odd Length Subarrays
easy December 24, 2023
1589 Maximum Sum Obtained of Any Permutation
medium March 1, 2024
1590 Make Sum Divisible by P
medium March 6, 2024
1592 Rearrange Spaces Between Words
easy December 5, 2023
1593 Split a String Into the Max Number of Unique Substrings
medium December 8, 2023
1594 Maximum Non Negative Product in a Matrix
medium May 17, 2024
1598 Crawler Log Folder
easy January 11, 2024
1600 Throne Inheritance
medium December 7, 2023
1601 Maximum Number of Achievable Transfer Requests
hard September 28, 2023
1603 Design Parking System
easy October 17, 2023
1604 Alert Using Same Key-Card Three or More Times in a One Hour Period
medium December 8, 2023
1605 Find Valid Matrix Given Row and Column Sums
medium November 28, 2023
1608 Special Array With X Elements Greater Than or Equal X
easy December 17, 2023
1609 Even Odd Tree
medium October 31, 2023
1611 Minimum One Bit Operations to Make Integers Zero
hard September 29, 2023
1614 Maximum Nesting Depth of the Parentheses
easy December 26, 2023
1615 Maximal Network Rank
medium August 18, 2023
1616 Split Two Strings to Make Palindrome
medium July 2, 2024
1619 Mean of Array After Removing Some Elements
easy February 23, 2024
1620 Coordinate With Maximum Network Quality
medium September 27, 2023
1621 Number of Sets of K Non-Overlapping Line Segments
medium May 23, 2024
1624 Largest Substring Between Two Equal Characters
easy December 31, 2023
1625 Lexicographically Smallest String After Applying Operations
medium December 20, 2023
1626 Best Team With No Conflicts
medium January 22, 2024
1629 Slowest Key
easy November 14, 2023
1630 Arithmetic Subarrays
medium November 14, 2023
1637 Widest Vertical Area Between Two Points Containing No Points
easy November 14, 2023
1638 Count Substrings That Differ by One Character
medium December 8, 2023
1640 Check Array Formation Through Concatenation
easy January 3, 2024
1641 Count Sorted Vowel Strings
medium December 22, 2023
1646 Get Maximum in Generated Array
easy December 12, 2023
1652 Defuse the Bomb
easy January 13, 2024
1654 Minimum Jumps to Reach Home
medium March 6, 2024
1656 Design an Ordered Stream
easy October 17, 2023
1657 Determine if Two Strings Are Close
medium September 12, 2023
1658 Minimum Operations to Reduce X to Zero
medium September 20, 2023
1662 Check If Two String Arrays are Equivalent
easy December 1, 2023
1663 Smallest String With A Given Numeric Value
medium November 14, 2023
1664 Ways to Make a Fair Array
medium January 18, 2024
1665 Minimum Initial Energy to Finish Tasks
hard January 18, 2024
1668 Maximum Repeating Substring
easy October 12, 2023
1669 Merge In Between Linked Lists
medium December 6, 2023
1670 Design Front Middle Back Queue
medium October 18, 2023
1672 Richest Customer Wealth
easy August 7, 2023
1673 Find the Most Competitive Subsequence
medium November 29, 2023
1675 Minimize Deviation in Array
hard November 17, 2023
1678 Goal Parser Interpretation
easy November 16, 2023
1679 Max Number of K-Sum Pairs
medium September 11, 2023
1680 Concatenation of Consecutive Binary Numbers
medium September 23, 2023
1684 Count the Number of Consistent Strings
easy November 14, 2023
1685 Sum of Absolute Differences in a Sorted Array
medium November 3, 2023
1686 Stone Game VI
medium November 21, 2023
1688 Count of Matches in Tournament
easy December 5, 2023
1689 Partitioning Into Minimum Number Of Deci-Binary Numbers
medium August 24, 2023
1690 Stone Game VII
medium May 23, 2024
1691 Maximum Height by Stacking Cuboids
hard January 18, 2024
1694 Reformat Phone Number
easy January 18, 2024
1695 Maximum Erasure Value
medium December 8, 2023
1696 Jump Game VI
medium November 23, 2023
1697 Checking Existence of Edge Length Limited Paths
hard May 3, 2024
1700 Number of Students Unable to Eat Lunch
easy September 13, 2023
1701 Average Waiting Time
medium November 3, 2023
1704 Determine if String Halves Are Alike
easy January 13, 2024
1705 Maximum Number of Eaten Apples
medium January 22, 2024
1706 Where Will the Ball Fall
medium March 22, 2024
1710 Maximum Units on a Truck
easy November 28, 2023
1711 Count Good Meals
medium December 12, 2023
1712 Ways to Split Array Into Three Subarrays
medium July 29, 2024
1716 Calculate Money in Leetcode Bank
easy December 6, 2023
1717 Maximum Score From Removing Substrings
medium May 24, 2024
1718 Construct the Lexicographically Largest Valid Sequence
medium July 23, 2024
1720 Decode XORed Array
easy November 25, 2023
1721 Swapping Nodes in a Linked List
medium October 20, 2023
1722 Minimize Hamming Distance After Swap Operations
medium July 22, 2024
1723 Find Minimum Time to Finish All Jobs
hard January 22, 2024
1725 Number Of Rectangles That Can Form The Largest Square
easy January 13, 2024
1726 Tuple with Same Product
medium December 8, 2023
1727 Largest Submatrix With Rearrangements
medium March 21, 2024
1732 Find the Highest Altitude
easy September 12, 2023
1734 Decode XORed Permutation
medium March 11, 2024
1736 Latest Time by Replacing Hidden Digits
easy October 12, 2023
1737 Change Minimum Characters to Satisfy One of Three Conditions
medium July 23, 2024
1738 Find Kth Largest XOR Coordinate Value
medium September 28, 2023
1744 Can You Eat Your Favorite Candy on Your Favorite Day?
medium May 24, 2024
1749 Maximum Absolute Sum of Any Subarray
medium January 19, 2024
1750 Minimum Length of String After Deleting Similar Ends
medium March 6, 2024
1751 Maximum Number of Events That Can Be Attended II
hard November 27, 2023
1752 Check if Array Is Sorted and Rotated
easy December 20, 2023
1753 Maximum Score From Removing Stones
medium November 17, 2023
1754 Largest Merge Of Two Strings
medium January 6, 2024
1758 Minimum Changes To Make Alternating Binary String
easy November 9, 2023
1759 Count Number of Homogenous Substrings
medium November 9, 2023
1760 Minimum Limit of Balls in a Bag
medium November 24, 2023
1763 Longest Nice Substring
easy January 19, 2024
1764 Form Array by Concatenating Subarrays of Another Array
medium May 13, 2024
1765 Map of Highest Peak
medium December 20, 2023
1768 Merge Strings Alternately
easy August 7, 2023
1769 Minimum Number of Operations to Move All Balls to Each Box
medium November 27, 2023
1770 Maximum Score from Performing Multiplication Operations
hard January 23, 2024
1773 Count Items Matching a Rule
easy December 23, 2023
1774 Closest Dessert Cost
medium May 23, 2024
1775 Equal Sum Arrays With Minimum Number of Operations
medium July 23, 2024
1776 Car Fleet II
hard July 31, 2024
1779 Find Nearest Point That Has the Same X or Y Coordinate
easy January 1, 2024
1780 Check if Number is a Sum of Powers of Three
medium January 1, 2024
1781 Sum of Beauty of All Substrings
medium December 12, 2023
1784 Check if Binary String Has at Most One Segment of Ones
easy October 12, 2023
1785 Minimum Elements to Add to Form a Given Sum
medium May 24, 2024
1790 Check if One String Swap Can Make Strings Equal
easy November 3, 2023
1791 Find Center of Star Graph
easy December 20, 2023
1792 Maximum Average Pass Ratio
medium November 21, 2023
1796 Second Largest Digit in a String
easy December 10, 2023
1797 Design Authentication Manager
medium October 18, 2023
1798 Maximum Number of Consecutive Values You Can Make
medium January 20, 2024
1799 Maximize Score After N Operations
hard November 4, 2023
1800 Maximum Ascending Subarray Sum
easy January 23, 2024
1801 Number of Orders in the Backlog
medium January 21, 2024
1805 Number of Different Integers in a String
easy October 11, 2023
1806 Minimum Number of Operations to Reinitialize a Permutation
medium March 21, 2024
1807 Evaluate the Bracket Pairs of a String
medium December 28, 2023
1812 Determine Color of a Chessboard Square
easy December 27, 2023
1813 Sentence Similarity III
medium January 23, 2024
1814 Count Nice Pairs in an Array
medium September 28, 2023
1816 Truncate Sentence
easy December 23, 2023
1822 Sign of the Product of an Array
easy August 7, 2023
1823 Find the Winner of the Circular Game
medium September 23, 2023
1824 Minimum Sideway Jumps
medium January 23, 2024
1825 Finding MK Average
hard September 30, 2023
1827 Minimum Operations to Make the Array Increasing
easy January 21, 2024
1828 Queries on Number of Points Inside a Circle
medium October 12, 2023
1829 Maximum XOR for Each Query
medium December 22, 2023
1832 Check if the Sentence Is Pangram
easy December 23, 2023
1833 Maximum Ice Cream Bars
medium December 22, 2023
1835 Find XOR Sum of All Pairs Bitwise AND
hard October 10, 2023
1837 Sum of Digits in Base K
easy January 23, 2024
1839 Longest Substring Of All Vowels in Order
medium January 24, 2024
1840 Maximum Building Height
hard August 1, 2024
1844 Replace All Digits with Characters
easy December 26, 2023
1845 Seat Reservation Manager
medium November 5, 2023
1846 Maximum Element After Decreasing and Rearranging
medium March 8, 2024
1848 Minimum Distance to the Target Element
easy January 3, 2024
1849 Splitting a String Into Descending Consecutive Values
medium March 3, 2024
1850 Minimum Adjacent Swaps to Reach the Kth Smallest Number
medium March 22, 2024
1851 Minimum Interval to Include Each Query
hard June 17, 2024
1855 Maximum Distance Between a Pair of Values
medium January 24, 2024
1857 Largest Color Value in a Directed Graph
hard June 5, 2024
1859 Sorting the Sentence
easy December 23, 2023
1860 Incremental Memory Leak
medium September 23, 2023
1861 Rotating the Box
medium April 4, 2024
1863 Sum of All Subset XOR Totals
easy January 2, 2024
1864 Minimum Number of Swaps to Make the Binary String Alternating
medium June 3, 2024
1865 Finding Pairs With a Certain Sum
medium December 12, 2023
1869 Longer Contiguous Segments of Ones than Zeros
easy January 24, 2024
1870 Minimum Speed to Arrive on Time
medium November 24, 2023
1876 Substrings of Size Three with Distinct Characters
easy December 31, 2023
1878 Get Biggest Three Rhombus Sums in a Grid
medium June 3, 2024
1879 Minimum XOR Sum of Two Arrays
hard August 1, 2024
1880 Check if Word Equals Summation of Two Words
easy January 25, 2024
1881 Maximum Value after Insertion
medium January 25, 2024
1882 Process Tasks Using Servers
medium January 25, 2024
1886 Determine Whether Matrix Can Be Obtained By Rotation
easy January 3, 2024
1887 Reduction Operations to Make the Array Elements Equal
medium November 19, 2023
1888 Minimum Number of Flips to Make the Binary String Alternating
medium May 6, 2024
1893 Check if All the Integers in a Range Are Covered
easy December 12, 2023
1897 Redistribute Characters to Make All Strings Equal
easy December 30, 2023
1898 Maximum Number of Removable Characters
medium June 19, 2024
1899 Merge Triplets to Form Target Triplet
medium January 5, 2024
1901 Find a Peak Element II
medium January 25, 2024
1903 Largest Odd Number in String
easy December 9, 2023
1904 The Number of Full Rounds You Have Played
medium January 25, 2024
1905 Count Sub Islands
medium March 7, 2024
1906 Minimum Absolute Difference Queries
medium June 5, 2024
1909 Remove One Element to Make the Array Strictly Increasing
easy October 11, 2023
1910 Remove All Occurrences of a Substring
medium December 22, 2023
1911 Maximum Alternating Subsequence Sum
medium February 5, 2024
1913 Maximum Product Difference Between Two Pairs
easy December 18, 2023
1914 Cyclically Rotating a Grid
medium April 8, 2024
1915 Number of Wonderful Substrings
medium June 5, 2024
1920 Build Array from Permutation
easy October 3, 2023
1921 Eliminate Maximum Number of Monsters
medium November 7, 2023
1922 Count Good Numbers
medium September 23, 2023
1926 Nearest Exit from Entrance in Maze
medium September 12, 2023
1929 Concatenation of Array
easy October 3, 2023
1930 Unique Length-3 Palindromic Subsequences
medium August 17, 2023
1931 Painting a Grid With Three Different Colors
hard June 6, 2024
1935 Maximum Number of Words You Can Type
easy January 20, 2024
1936 Add Minimum Number of Rungs
medium January 26, 2024
1937 Maximum Number of Points with Cost
medium June 7, 2024
1941 Check if All Characters Have Equal Number of Occurrences
easy January 26, 2024
1942 The Number of the Smallest Unoccupied Chair
medium November 20, 2023
1943 Describe the Painting
medium March 4, 2024
1944 Number of Visible People in a Queue
hard January 11, 2024
1945 Sum of Digits of String After Convert
easy February 5, 2024
1946 Largest Number After Mutating Substring
medium June 28, 2024
1947 Maximum Compatibility Score Sum
medium June 7, 2024
1953 Maximum Number of Weeks for Which You Can Work
medium January 26, 2024
1954 Minimum Garden Perimeter to Collect Enough Apples
medium November 19, 2023
1955 Count Number of Special Subsequences
hard June 7, 2024
1957 Delete Characters to Make Fancy String
easy December 14, 2023
1958 Check if Move is Legal
medium July 1, 2024
1959 Minimum Total Space Wasted With K Resizing Operations
medium July 19, 2024
1961 Check If String Is a Prefix of Array
easy November 18, 2023
1962 Remove Stones to Minimize the Total
medium November 17, 2023
1963 Minimum Number of Swaps to Make the String Balanced
medium January 29, 2024
1964 Find the Longest Valid Obstacle Course at Each Position
hard September 17, 2023
1967 Number of Strings That Appear as Substrings in Word
easy January 2, 2024
1968 Array With Elements Not Equal to Average of Neighbors
medium January 29, 2024
1969 Minimum Non-Zero Product of the Array Elements
medium November 21, 2023
1970 Last Day Where You Can Still Cross
hard January 21, 2024
1971 Find if Path Exists in Graph
easy December 20, 2023
1974 Minimum Time to Type Word Using Special Typewriter
easy January 26, 2024
1975 Maximum Matrix Sum
medium June 27, 2024
1976 Number of Ways to Arrive at Destination
medium May 17, 2024
1979 Find Greatest Common Divisor of Array
easy August 14, 2023
1980 Find Unique Binary String
medium October 31, 2023
1981 Minimize the Difference Between Target and Chosen Elements
medium June 27, 2024
1984 Minimum Difference Between Highest and Lowest of K Scores
easy December 20, 2023
1985 Find the Kth Largest Integer in the Array
medium September 28, 2023
1986 Minimum Number of Work Sessions to Finish the Tasks
medium July 12, 2024
1991 Find the Middle Index in Array
easy January 1, 2024
1992 Find All Groups of Farmland
medium December 28, 2023
1995 Count Special Quadruplets
easy January 27, 2024
1996 The Number of Weak Characters in the Game
medium January 29, 2024
1998 GCD Sort of an Array
hard June 10, 2024
2001 Number of Pairs of Interchangeable Rectangles
medium June 7, 2024
2002 Maximum Product of the Length of Two Palindromic Subsequences
medium July 2, 2024
2006 Count Number of Pairs With Absolute Difference K
easy December 25, 2023
2007 Find Original Array From Doubled Array
medium June 6, 2024
2008 Maximum Earnings From Taxi
medium February 25, 2024
2011 Final Value of Variable After Performing Operations
easy December 9, 2023
2012 Sum of Beauty in the Array
medium June 9, 2024
2013 Detect Squares
medium December 12, 2023
2014 Longest Subsequence Repeated k Times
hard June 27, 2024
2016 Maximum Difference Between Increasing Elements
easy November 15, 2023
2017 Grid Game
medium March 4, 2024
2018 Check if Word Can Be Placed In Crossword
medium September 28, 2023
2019 The Score of Students Solving Math Expression
hard June 27, 2024
2022 Convert 1D Array Into 2D Array
easy January 27, 2024
2023 Number of Pairs of Strings With Concatenation Equal to Target
medium November 15, 2023
2027 Minimum Moves to Convert String
easy November 15, 2023
2028 Find Missing Observations
medium June 9, 2024
2032 Two Out of Three
easy January 27, 2024
2033 Minimum Operations to Make a Uni-Value Grid
medium May 22, 2024
2034 Stock Price Fluctuation
medium September 26, 2023
2037 Minimum Number of Moves to Seat Everyone
easy November 15, 2023
2038 Remove Colored Pieces if Both Neighbors are the Same Color
medium October 2, 2023
2042 Check if Numbers Are Ascending in a Sentence
easy January 1, 2024
2043 Simple Bank System
medium January 14, 2024
2044 Count Number of Maximum Bitwise-OR Subsets
medium January 4, 2024
2045 Second Minimum Time to Reach Destination
hard July 14, 2024
2047 Number of Valid Words in a Sentence
easy October 11, 2023
2048 Next Greater Numerically Balanced Number
medium September 25, 2023
2049 Count Nodes With the Highest Score
medium June 6, 2024
2050 Parallel Courses III
hard October 18, 2023
2053 Kth Distinct String in an Array
easy January 27, 2024
2054 Two Best Non-Overlapping Events
medium November 21, 2023
2055 Plates Between Candles
medium January 6, 2024
2057 Smallest Index With Equal Value
easy January 27, 2024
2058 Find the Minimum and Maximum Number of Nodes Between Critical Points
medium June 27, 2024
2062 Count Vowel Substrings of a String
easy January 1, 2024
2063 Vowels of All Substrings
medium January 15, 2024
2064 Minimized Maximum of Products Distributed to Any Store
medium June 7, 2024
2065 Maximum Path Quality of a Graph
hard May 4, 2024
2068 Check Whether Two Strings are Almost Equivalent
easy January 29, 2024
2069 Walking Robot Simulation II
medium February 27, 2024
2070 Most Beautiful Item for Each Query
medium February 27, 2024
2073 Time Needed to Buy Tickets
easy September 13, 2023
2074 Reverse Nodes in Even Length Groups
medium January 14, 2024
2075 Decode the Slanted Ciphertext
medium May 26, 2024
2076 Process Restricted Friend Requests
hard July 15, 2024
2078 Two Furthest Houses With Different Colors
easy February 5, 2024
2079 Watering Plants
medium December 22, 2023
2080 Range Frequency Queries
medium November 27, 2023
2081 Sum of k-Mirror Numbers
hard September 28, 2023
2085 Count Common Words With One Occurrence
easy February 5, 2024
2086 Minimum Number of Food Buckets to Feed the Hamsters
medium January 6, 2024
2087 Minimum Cost Homecoming of a Robot in a Grid
medium February 5, 2024
2088 Count Fertile Pyramids in a Land
hard November 4, 2023
2089 Find Target Indices After Sorting Array
easy February 7, 2024
2090 K Radius Subarray Averages
medium May 26, 2024
2091 Removing Minimum and Maximum From Array
medium January 14, 2024
2092 Find All People With Secret
hard February 24, 2024
2094 Finding 3-Digit Even Numbers
easy February 7, 2024
2095 Delete the Middle Node of a Linked List
medium September 12, 2023
2096 Step-By-Step Directions From a Binary Tree Node to Another
medium February 7, 2024
2100 Find Good Days to Rob the Bank
medium February 6, 2024
2101 Detonate the Maximum Bombs
medium February 6, 2024
2102 Sequentially Ordinal Rank Tracker
hard September 30, 2023
2103 Rings and Rods
easy December 30, 2023
2104 Sum of Subarray Ranges
medium May 29, 2024
2105 Watering Plants II
medium January 6, 2024
2106 Maximum Fruits Harvested After at Most K Steps
hard February 6, 2024
2108 Find First Palindromic String in the Array
easy December 27, 2023
2109 Adding Spaces to a String
medium February 6, 2024
2110 Number of Smooth Descent Periods of a Stock
medium October 19, 2023
2111 Minimum Operations to Make the Array K-Increasing
hard July 15, 2024
2114 Maximum Number of Words Found in Sentences
easy December 23, 2023
2115 Find All Possible Recipes from Given Supplies
medium July 12, 2024
2116 Check if a Parentheses String Can Be Valid
medium July 15, 2024
2117 Abbreviating the Product of a Range
hard July 16, 2024
2119 A Number After a Double Reversal
easy December 27, 2023
2120 Execution of All Suffix Instructions Staying in a Grid
medium December 22, 2023
2121 Intervals Between Identical Elements
medium February 8, 2024
2122 Recover the Original Array
hard September 28, 2023
2124 Check if All A's Appears Before All B's
easy January 28, 2024
2125 Number of Laser Beams in a Bank
medium November 16, 2023
2129 Capitalize the Title
easy January 28, 2024
2130 Maximum Twin Sum of a Linked List
medium September 12, 2023
2131 Longest Palindrome by Concatenating Two Letter Words
medium February 7, 2024
2133 Check if Every Row and Column Contains All Numbers
easy December 14, 2023
2134 Minimum Swaps to Group All 1's Together II
medium April 7, 2024
2135 Count Words Obtained After Adding a Letter
medium March 1, 2024
2136 Earliest Possible Day of Full Bloom
hard August 9, 2023
2138 Divide a String Into Groups of Size k
easy January 28, 2024
2139 Minimum Moves to Reach Target Score
medium February 9, 2024
2140 Solving Questions With Brainpower
medium August 8, 2023
2141 Maximum Running Time of N Computers
hard July 12, 2024
2144 Minimum Cost of Buying Candies With Discount
easy January 28, 2024
2145 Count the Hidden Sequences
medium June 8, 2024
2146 K Highest Ranked Items Within a Price Range
medium July 20, 2024
2147 Number of Ways to Divide a Long Corridor
hard November 28, 2023
2148 Count Elements With Strictly Smaller and Greater Elements
easy August 14, 2023
2149 Rearrange Array Elements by Sign
medium October 20, 2023
2150 Find All Lonely Numbers in the Array
medium September 28, 2023
2151 Maximum Good People Based on Statements
hard June 8, 2024
2154 Keep Multiplying Found Values by Two
easy January 28, 2024
2155 All Divisions With the Highest Score of a Binary Array
medium February 7, 2024
2160 Minimum Sum of Four Digit Number After Splitting Digits
easy November 25, 2023
2161 Partition Array According to Given Pivot
medium December 22, 2023
2162 Minimum Cost to Set Cooking Time
medium July 1, 2024
2164 Sort Even and Odd Indices Independently
easy February 6, 2024
2165 Smallest Value of the Rearranged Number
medium February 10, 2024
2166 Design Bitset
medium October 17, 2023
2167 Minimum Time to Remove All Cars Containing Illegal Goods
hard March 4, 2024
2169 Count Operations to Obtain Zero
easy February 8, 2024
2170 Minimum Operations to Make the Array Alternating
medium July 16, 2024
2171 Removing Minimum Number of Magic Beans
medium February 8, 2024
2176 Count Equal and Divisible Pairs in an Array
easy February 8, 2024
2177 Find Three Consecutive Integers That Sum to a Given Number
medium December 28, 2023
2178 Maximum Split of Positive Even Integers
medium February 8, 2024
2180 Count Integers With Even Digit Sum
easy February 9, 2024
2181 Merge Nodes in Between Zeros
medium November 25, 2023
2182 Construct String With Repeat Limit
medium September 28, 2023
2185 Counting Words With a Given Prefix
easy February 9, 2024
2186 Minimum Number of Steps to Make Two Strings Anagram II
medium March 21, 2024
2187 Minimum Time to Complete Trips
medium May 30, 2024
2190 Most Frequent Number Following Key In an Array
easy February 9, 2024
2191 Sort the Jumbled Numbers
medium May 22, 2024
2192 All Ancestors of a Node in a Directed Acyclic Graph
medium December 20, 2023
2193 Minimum Number of Moves to Make Palindrome
hard July 12, 2024
2194 Cells in a Range on an Excel Sheet
easy February 9, 2024
2195 Append K Integers With Minimal Sum
medium June 9, 2024
2196 Create Binary Tree From Descriptions
medium December 15, 2023
2197 Replace Non-Coprime Numbers in Array
hard July 12, 2024
2200 Find All K-Distant Indices in an Array
easy February 10, 2024
2201 Count Artifacts That Can Be Extracted
medium March 12, 2024
2202 Maximize the Topmost Element After K Moves
medium July 2, 2024
2206 Divide Array Into Equal Pairs
easy February 10, 2024
2207 Maximize Number of Subsequences in a String
medium July 11, 2024
2208 Minimum Operations to Halve Array Sum
medium November 21, 2023
2209 Minimum White Tiles After Covering With Carpets
hard July 11, 2024
2210 Count Hills and Valleys in an Array
easy February 10, 2024
2211 Count Collisions on a Road
medium July 19, 2024
2212 Maximum Points in an Archery Competition
medium May 22, 2024
2215 Find the Difference of Two Arrays
easy September 12, 2023
2216 Minimum Deletions to Make Array Beautiful
medium July 11, 2024
2217 Find Palindrome With Fixed Length
medium June 10, 2024
2218 Maximum Value of K Coins From Piles
hard November 4, 2023
2220 Minimum Bit Flips to Convert Number
easy December 25, 2023
2221 Find Triangular Sum of an Array
medium December 22, 2023
2222 Number of Ways to Select Buildings
medium May 30, 2024
2224 Minimum Number of Operations to Convert Time
easy February 10, 2024
2225 Find Players With Zero or One Losses
medium September 28, 2023
2226 Maximum Candies Allocated to K Children
medium June 7, 2024
2231 Largest Number After Digit Swaps by Parity
easy November 20, 2023
2232 Minimize Result by Adding Parentheses to Expression
medium September 28, 2023
2233 Maximum Product After K Increments
medium May 30, 2024
2235 Add Two Integers
easy October 10, 2023
2236 Root Equals Sum of Children
easy October 31, 2023
2239 Find Closest Number to Zero
easy October 20, 2023
2240 Number of Ways to Buy Pens and Pencils
medium September 27, 2023
2241 Design an ATM Machine
medium October 19, 2023
2243 Calculate Digit Sum of a String
easy February 11, 2024
2244 Minimum Rounds to Complete All Tasks
medium September 28, 2023
2245 Maximum Trailing Zeros in a Cornered Path
medium May 31, 2024
2246 Longest Path With Different Adjacent Characters
hard June 7, 2024
2248 Intersection of Multiple Arrays
easy February 23, 2024
2249 Count Lattice Points Inside a Circle
medium September 27, 2023
2250 Count Number of Rectangles Containing Each Point
medium May 30, 2024
2251 Number of Flowers in Full Bloom
hard October 11, 2023
2255 Count Prefixes of a Given String
easy February 23, 2024
2256 Minimum Average Difference
medium May 30, 2024
2257 Count Unguarded Cells in the Grid
medium May 31, 2024
2259 Remove Digit From Number to Maximize Result
easy November 3, 2023
2260 Minimum Consecutive Cards to Pick Up
medium May 31, 2024
2261 K Divisible Elements Subarrays
medium September 27, 2023
2262 Total Appeal of A String
hard March 1, 2024
2264 Largest 3-Same-Digit Number in String
easy December 4, 2023
2265 Count Nodes Equal to Average of Subtree
medium November 1, 2023
2266 Count Number of Texts
medium May 31, 2024
2269 Find the K-Beauty of a Number
easy December 16, 2023
2270 Number of Ways to Split Array
medium February 2, 2024
2271 Maximum White Tiles Covered by a Carpet
medium May 31, 2024
2273 Find Resultant Array After Removing Anagrams
easy February 2, 2024
2274 Maximum Consecutive Floors Without Special Floors
medium February 2, 2024
2275 Largest Combination With Bitwise AND Greater Than Zero
medium February 3, 2024
2276 Count Integers in Intervals
hard July 12, 2024
2278 Percentage of Letter in String
easy February 2, 2024
2279 Maximum Bags With Full Capacity of Rocks
medium January 15, 2024
2280 Minimum Lines to Represent a Line Chart
medium June 12, 2024
2283 Check if Number Has Equal Digit Count and Digit Value
easy February 3, 2024
2284 Sender With Largest Word Count
medium September 28, 2023
2285 Maximum Total Importance of Roads
medium November 20, 2023
2287 Rearrange Characters to Make Target String
easy February 3, 2024
2288 Apply Discount to Prices
medium July 11, 2024
2290 Minimum Obstacle Removal to Reach Corner
hard June 10, 2024
2293 Min Max Game
easy February 3, 2024
2294 Partition Array Such That Maximum Difference Is K
medium January 4, 2024
2295 Replace Elements in an Array
medium December 29, 2023
2296 Design a Text Editor
hard June 11, 2024
2299 Strong Password Checker II
easy January 5, 2024
2300 Successful Pairs of Spells and Potions
medium August 7, 2023
2301 Match Substring After Replacement
hard July 11, 2024
2302 Count Subarrays With Score Less Than K
hard July 11, 2024
2303 Calculate Amount Paid in Taxes
easy February 23, 2024
2304 Minimum Path Cost in a Grid
medium March 8, 2024
2305 Fair Distribution of Cookies
medium January 13, 2024
2306 Naming a Company
hard September 27, 2023
2309 Greatest English Letter in Upper and Lower Case
easy August 14, 2023
2310 Sum of Numbers With Units Digit K
medium September 27, 2023
2311 Longest Binary Subsequence Less Than or Equal to K
medium February 3, 2024
2312 Selling Pieces of Wood
hard May 31, 2024
2315 Count Asterisks
easy December 26, 2023
2316 Count Unreachable Pairs of Nodes in an Undirected Graph
medium July 21, 2024
2317 Maximum XOR After Operations
medium January 3, 2024
2318 Number of Distinct Roll Sequences
hard July 12, 2024
2319 Check if Matrix Is X-Matrix
easy February 4, 2024
2320 Count Number of Ways to Place Houses
medium February 4, 2024
2321 Maximum Score Of Spliced Array
hard January 17, 2024
2325 Decode the Message
easy December 24, 2023
2326 Spiral Matrix IV
medium December 27, 2023
2327 Number of People Aware of a Secret
medium November 23, 2023
2328 Number of Increasing Paths in a Grid
hard February 12, 2024
2331 Evaluate Boolean Binary Tree
easy December 13, 2023
2332 The Latest Time to Catch a Bus
medium January 17, 2024
2333 Minimum Sum of Squared Difference
medium June 13, 2024
2335 Minimum Amount of Time to Fill Cups
easy November 20, 2023
2336 Smallest Number in Infinite Set
medium September 10, 2023
2337 Move Pieces to Obtain a String
medium January 17, 2024
2341 Maximum Number of Pairs in Array
easy January 17, 2024
2342 Max Sum of a Pair With Equal Sum of Digits
medium November 21, 2023
2343 Query Kth Smallest Trimmed Number
medium September 28, 2023
2344 Minimum Deletions to Make Array Divisible
hard February 17, 2024
2347 Best Poker Hand
easy February 4, 2024
2348 Number of Zero-Filled Subarrays
medium January 5, 2024
2349 Design a Number Container System
medium October 19, 2023
2350 Shortest Impossible Sequence of Rolls
hard November 15, 2023
2351 First Letter to Appear Twice
easy February 4, 2024
2352 Equal Row and Column Pairs
medium September 12, 2023
2353 Design a Food Rating System
medium October 19, 2023
2354 Number of Excellent Pairs
hard July 11, 2024
2357 Make Array Zero by Subtracting Equal Amounts
easy December 3, 2023
2358 Maximum Number of Groups Entering a Competition
medium January 17, 2024
2359 Find Closest Node to Given Two Nodes
medium July 1, 2024
2360 Longest Cycle in a Graph
hard June 3, 2024
2363 Merge Similar Items
easy December 11, 2023
2364 Count Number of Bad Pairs
medium February 4, 2024
2365 Task Scheduler II
medium April 6, 2024
2366 Minimum Replacements to Sort the Array
hard July 21, 2024
2367 Number of Arithmetic Triplets
easy December 24, 2023
2368 Reachable Nodes With Restrictions
medium December 15, 2023
2369 Check if There is a Valid Partition For The Array
medium February 17, 2024
2370 Longest Ideal Subsequence
medium February 17, 2024
2373 Largest Local Values in a Matrix
easy December 25, 2023
2374 Node With Highest Edge Score
medium December 11, 2023
2375 Construct Smallest Number From DI String
medium September 26, 2023
2376 Count Special Integers
hard July 11, 2024
2379 Minimum Recolors to Get K Consecutive Black Blocks
easy December 16, 2023
2380 Time Needed to Rearrange a Binary String
medium October 31, 2023
2381 Shifting Letters II
medium April 7, 2024
2383 Minimum Hours of Training to Win a Competition
easy October 12, 2023
2384 Largest Palindromic Number
medium February 17, 2024
2385 Amount of Time for Binary Tree to Be Infected
medium December 15, 2023
2389 Longest Subsequence With Limited Sum
easy February 12, 2024
2390 Removing Stars From a String
medium September 12, 2023
2391 Minimum Amount of Time to Collect Garbage
medium August 24, 2023
2392 Build a Matrix With Conditions
hard June 10, 2024
2395 Find Subarrays With Equal Sum
easy February 12, 2024
2396 Strictly Palindromic Number
medium October 3, 2023
2397 Maximum Rows Covered by Columns
medium June 13, 2024
2399 Check Distances Between Same Letters
easy February 12, 2024
2400 Number of Ways to Reach a Position After Exactly k Steps
medium February 12, 2024
2401 Longest Nice Subarray
medium April 9, 2024
2402 Meeting Rooms III
hard February 19, 2024
2404 Most Frequent Even Element
easy December 12, 2023
2405 Optimal Partition of String
medium September 7, 2023
2406 Divide Intervals Into Minimum Number of Groups
medium November 22, 2023
2409 Count Days Spent Together
easy December 6, 2023
2410 Maximum Matching of Players With Trainers
medium February 18, 2024
2411 Smallest Subarrays With Maximum Bitwise OR
medium April 7, 2024
2412 Minimum Money Required Before Transactions
hard July 11, 2024
2413 Smallest Even Multiple
easy December 10, 2023
2414 Length of the Longest Alphabetical Continuous Substring
medium December 29, 2023
2415 Reverse Odd Levels of Binary Tree
medium December 13, 2023
2416 Sum of Prefix Scores of Strings
hard September 28, 2023
2418 Sort the People
easy December 11, 2023
2419 Longest Subarray With Maximum Bitwise AND
medium April 9, 2024
2420 Find All Good Indices
medium February 18, 2024
2423 Remove Letter To Equalize Frequency
easy August 18, 2023
2424 Longest Uploaded Prefix
medium September 29, 2023
2425 Bitwise XOR of All Pairings
medium May 31, 2024
2427 Number of Common Factors
easy January 2, 2024
2428 Maximum Sum of an Hourglass
medium December 24, 2023
2429 Minimize XOR
medium June 13, 2024
2432 The Employee That Worked on the Longest Task
easy December 12, 2023
2433 Find The Original Array of Prefix Xor
medium October 30, 2023
2434 Using a Robot to Print the Lexicographically Smallest String
medium December 5, 2023
2435 Paths in Matrix Whose Sum Is Divisible by K
hard July 21, 2024
2437 Number of Valid Clock Times
easy October 14, 2023
2438 Range Product Queries of Powers
medium April 9, 2024
2439 Minimize Maximum of Array
medium April 9, 2024
2440 Create Components With Same Value
hard June 14, 2024
2441 Largest Positive Integer That Exists With Its Negative
easy December 11, 2023
2442 Count Number of Distinct Integers After Reverse Operations
medium December 11, 2023
2443 Sum of Number and Its Reverse
medium September 26, 2023
2444 Count Subarrays With Fixed Bounds
hard November 30, 2023
2446 Determine if Two Events Have Conflict
easy December 20, 2023
2447 Number of Subarrays With GCD Equal to K
medium April 9, 2024
2449 Minimum Number of Operations to Make Arrays Similar
hard July 13, 2024
2451 Odd String Difference
easy December 12, 2023
2452 Words Within Two Edits of Dictionary
medium April 9, 2024
2453 Destroy Sequential Targets
medium February 26, 2024
2454 Next Greater Element IV
hard May 31, 2024
2455 Average Value of Even Numbers That Are Divisible by Three
easy February 18, 2024
2456 Most Popular Video Creator
medium November 21, 2023
2457 Minimum Addition to Make Integer Beautiful
medium May 31, 2024
2460 Apply Operations to an Array
easy February 18, 2024
2461 Maximum Sum of Distinct Subarrays With Length K
medium May 31, 2024
2462 Total Cost to Hire K Workers
medium September 13, 2023
2465 Number of Distinct Averages
easy January 8, 2024
2466 Count Ways To Build Good Strings
medium August 8, 2023
2468 Split Message Based on Limit
hard June 1, 2024
2469 Convert the Temperature
easy October 11, 2023
2470 Number of Subarrays With LCM Equal to K
medium June 13, 2024
2471 Minimum Number of Operations to Sort a Binary Tree by Level
medium May 31, 2024
2472 Maximum Number of Non-overlapping Palindrome Substrings
hard June 1, 2024
2475 Number of Unequal Triplets in Array
easy February 23, 2024
2476 Closest Nodes Queries in a Binary Search Tree
medium October 31, 2023
2477 Minimum Fuel Cost to Report to the Capital
medium December 20, 2023
2481 Minimum Cuts to Divide a Circle
easy November 30, 2023
2482 Difference Between Ones and Zeros in Row and Column
medium December 15, 2023
2483 Minimum Penalty for a Shop
medium August 29, 2023
2485 Find the Pivot Integer
easy January 2, 2024
2486 Append Characters to String to Make Subsequence
medium February 18, 2024
2487 Remove Nodes From Linked List
medium September 23, 2023
2488 Count Subarrays With Median K
hard July 24, 2024
2490 Circular Sentence
easy February 23, 2024
2491 Divide Players Into Teams of Equal Skill
medium December 11, 2023
2492 Minimum Score of a Path Between Two Cities
medium December 20, 2023
2496 Maximum Value of a String in an Array
easy February 23, 2024
2497 Maximum Star Sum of a Graph
medium April 10, 2024
2498 Frog Jump II
medium February 27, 2024
2500 Delete Greatest Value in Each Row
easy November 21, 2023
2501 Longest Square Streak in an Array
medium April 10, 2024
2502 Design Memory Allocator
medium October 17, 2023
2503 Maximum Number of Points From Grid Queries
hard May 1, 2024
2506 Count Pairs Of Similar Strings
easy December 11, 2023
2507 Smallest Value After Replacing With Sum of Prime Factors
medium August 15, 2023
2509 Cycle Length Queries in a Tree
hard June 13, 2024
2511 Maximum Enemy Forts That Can Be Captured
easy October 12, 2023
2512 Reward Top K Students
medium November 21, 2023
2513 Minimize the Maximum of Two Arrays
medium May 1, 2024
2515 Shortest Distance to Target String in a Circular Array
easy December 6, 2023
2516 Take K of Each Character From Left and Right
medium December 5, 2023
2517 Maximum Tastiness of Candy Basket
medium January 14, 2024
2520 Count the Digits That Divide a Number
easy December 21, 2023
2521 Distinct Prime Factors of Product of Array
medium September 26, 2023
2522 Partition String Into Substrings With Values at Most K
medium April 10, 2024
2523 Closest Prime Numbers in Range
medium August 15, 2023
2525 Categorize Box According to Criteria
easy October 11, 2023
2526 Find Consecutive Integers from a Data Stream
medium September 28, 2023
2527 Find Xor-Beauty of Array
medium May 31, 2024
2528 Maximize the Minimum Powered City
hard June 25, 2024
2529 Maximum Count of Positive Integer and Negative Integer
easy November 24, 2023
2531 Make Number of Distinct Characters Equal
medium April 10, 2024
2535 Difference Between Element Sum and Digit Sum of an Array
easy August 15, 2023
2536 Increment Submatrices by One
medium July 1, 2024
2538 Difference Between Maximum and Minimum Price Sum
hard July 24, 2024
2542 Maximum Subsequence Score
medium September 13, 2023
2543 Check if Point Is Reachable
hard April 11, 2024
2544 Alternating Digit Sum
easy December 31, 2023
2545 Sort the Students by Their Kth Score
medium December 22, 2023
2546 Apply Bitwise Operations to Make Strings Equal
medium July 24, 2024
2547 Minimum Cost to Split an Array
hard April 11, 2024
2549 Count Distinct Numbers on Board
easy February 19, 2024
2550 Count Collisions of Monkeys on a Polygon
medium April 12, 2024
2551 Put Marbles in Bags
hard November 22, 2023
2553 Separate the Digits in an Array
easy December 21, 2023
2554 Maximum Number of Integers to Choose From a Range I
medium December 11, 2023
2555 Maximize Win From Two Segments
medium April 11, 2024
2558 Take Gifts From the Richest Pile
easy November 22, 2023
2559 Count Vowel Strings in Ranges
medium February 19, 2024
2560 House Robber IV
medium April 12, 2024
2562 Find the Array Concatenation Value
easy February 19, 2024
2566 Maximum Difference by Remapping a Digit
easy January 8, 2024
2567 Minimum Score by Changing Two Elements
medium April 12, 2024
2568 Minimum Impossible OR
medium April 12, 2024
2570 Merge Two 2D Arrays by Summing Values
easy February 20, 2024
2571 Minimum Operations to Reduce an Integer to 0
medium February 20, 2024
2572 Count the Number of Square-Free Subsets
medium May 2, 2024
2574 Left and Right Sum Differences
easy December 30, 2023
2575 Find the Divisibility Array of a String
medium May 2, 2024
2576 Find the Maximum Number of Marked Indices
medium July 25, 2024
2577 Minimum Time to Visit a Cell In a Grid
hard July 25, 2024
2578 Split With Minimum Sum
easy February 1, 2024
2579 Count Total Number of Colored Cells
medium February 1, 2024
2580 Count Ways to Group Overlapping Ranges
medium July 17, 2024
2582 Pass the Pillow
easy November 3, 2023
2583 Kth Largest Sum in a Binary Tree
medium December 15, 2023
2585 Number of Ways to Earn Points
hard May 4, 2024
2587 Rearrange Array to Maximize Prefix Score
medium July 16, 2024
2588 Count the Number of Beautiful Subarrays
medium June 16, 2024
2591 Distribute Money to Maximum Children
easy October 11, 2023
2592 Maximize Greatness of an Array
medium February 1, 2024
2593 Find Score of an Array After Marking All Elements
medium November 22, 2023
2594 Minimum Time to Repair Cars
medium February 20, 2024
2595 Number of Even and Odd Bits
easy February 1, 2024
2596 Check Knight Tour Configuration
medium December 20, 2023
2597 The Number of Beautiful Subsets
medium April 12, 2024
2598 Smallest Missing Non-negative Integer After Operations
medium April 12, 2024
2600 K Items With the Maximum Sum
easy February 20, 2024
2601 Prime Subtraction Operation
medium September 26, 2023
2602 Minimum Operations to Make All Array Elements Equal
medium February 20, 2024
2605 Form Smallest Number From Two Digit Arrays
easy November 3, 2023
2606 Find the Substring With Maximum Cost
medium February 21, 2024
2607 Make K-Subarray Sums Equal
medium July 17, 2024
2608 Shortest Cycle in a Graph
hard February 21, 2024
2609 Find the Longest Balanced Substring of a Binary String
easy December 10, 2023
2610 Convert an Array Into a 2D Array With Conditions
medium December 5, 2023
2611 Mice and Cheese
medium November 22, 2023
2614 Prime In Diagonal
easy October 11, 2023
2615 Sum of Distances
medium April 30, 2024
2616 Minimize the Maximum Difference of Pairs
medium December 1, 2023
2639 Find the Width of Columns of a Grid
easy February 11, 2024
2640 Find the Score of All Prefixes of an Array
medium December 22, 2023
2641 Cousins in Binary Tree II
medium November 8, 2023
2642 Design Graph With Shortest Path Calculator
hard November 11, 2023
2643 Row With Maximum Ones
easy February 21, 2024
2644 Find the Maximum Divisibility Score
easy December 6, 2023
2645 Minimum Additions to Make Valid String
medium April 14, 2024
2651 Calculate Delayed Arrival Time
easy February 21, 2024
2652 Sum Multiples
easy November 16, 2023
2653 Sliding Subarray Beauty
medium April 30, 2024
2654 Minimum Number of Operations to Make All Array Elements Equal to 1
medium April 30, 2024
2656 Maximum Sum With Exactly K Elements
easy December 26, 2023
2657 Find the Prefix Common Array of Two Arrays
medium August 14, 2023
2658 Maximum Number of Fish in a Grid
medium December 20, 2023
2659 Make Array Empty
hard April 15, 2024
2660 Determine the Winner of a Bowling Game
easy October 11, 2023
2661 First Completely Painted Row or Column
medium April 30, 2024
2662 Minimum Cost of a Path With Special Roads
medium June 18, 2024
2670 Find the Distinct Difference Array
easy February 22, 2024
2671 Frequency Tracker
medium December 5, 2023
2672 Number of Adjacent Elements With the Same Color
medium April 14, 2024
2678 Number of Senior Citizens
easy February 11, 2024
2679 Sum in a Matrix
medium November 22, 2023
2682 Find the Losers of the Circular Game
easy December 4, 2023
2683 Neighboring Bitwise XOR
medium February 21, 2024
2684 Maximum Number of Moves in a Grid
medium July 17, 2024
2685 Count the Number of Complete Components
medium May 2, 2024
2696 Minimum String Length After Removing Substrings
easy February 13, 2024
2697 Lexicographically Smallest Palindrome
easy February 13, 2024
2698 Find the Punishment Number of an Integer
medium February 13, 2024
2706 Buy Two Chocolates
easy December 20, 2023
2707 Extra Characters in a String
medium September 2, 2023
2708 Maximum Strength of a Group
medium February 14, 2024
2709 Greatest Common Divisor Traversal
hard June 24, 2024
2710 Remove Trailing Zeros From a String
easy February 13, 2024
2711 Difference of Number of Distinct Values on Diagonals
medium December 5, 2023
2712 Minimum Cost to Make All Characters Equal
medium February 13, 2024
2713 Maximum Strictly Increasing Cells in a Matrix
hard February 14, 2024
2716 Minimize String Length
easy December 11, 2023
2717 Semi-Ordered Permutation
easy February 14, 2024
2718 Sum of Matrix After Queries
medium June 24, 2024
2719 Count of Integers
hard April 29, 2024
2729 Check if The Number is Fascinating
easy November 3, 2023
2730 Find the Longest Semi-Repetitive Substring
medium April 29, 2024
2733 Neither Minimum nor Maximum
easy February 11, 2024
2734 Lexicographically Smallest String After Substring Operation
medium April 17, 2024
2735 Collecting Chocolates
medium September 27, 2023
2739 Total Distance Traveled
easy October 12, 2023
2740 Find the Value of the Partition
medium February 11, 2024
2741 Special Permutations
medium June 25, 2024
2742 Painting the Walls
hard April 18, 2024
2744 Find Maximum Number of String Pairs
easy December 11, 2023
2745 Construct the Longest New String
medium February 14, 2024
2746 Decremental String Concatenation
medium April 15, 2024
2747 Count Zero Request Servers
medium February 14, 2024
2748 Number of Beautiful Pairs
easy December 10, 2023
2749 Minimum Operations to Make the Integer Zero
medium April 17, 2024
2750 Ways to Split Array Into Good Subarrays
medium July 13, 2024
2760 Longest Even Odd Subarray With Threshold
easy October 11, 2023
2761 Prime Pairs With Target Sum
medium September 26, 2023
2762 Continuous Subarrays
medium July 13, 2024
2765 Longest Alternating Subarray
easy October 11, 2023
2766 Relocate Marbles
medium December 5, 2023
2767 Partition String Into Minimum Beautiful Substrings
medium April 29, 2024
2768 Number of Black Blocks
medium April 17, 2024
2769 Find the Maximum Achievable Number
easy December 9, 2023
2770 Maximum Number of Jumps to Reach the Last Index
medium April 28, 2024
2772 Apply Operations to Make All Array Elements Equal to Zero
medium February 15, 2024
2778 Sum of Squares of Special Elements
easy December 27, 2023
2779 Maximum Beauty of an Array After Applying Operation
medium July 13, 2024
2781 Length of the Longest Valid Substring
hard February 15, 2024
2785 Sort Vowels in a String
medium October 20, 2023
2786 Visit Array Positions to Maximize Score
medium April 15, 2024
2787 Ways to Express an Integer as Sum of Powers
medium April 18, 2024
2788 Split Strings by Separator
easy February 23, 2024
2789 Largest Element in an Array after Merge Operations
medium April 15, 2024
2798 Number of Employees Who Met the Target
easy December 10, 2023
2799 Count Complete Subarrays in an Array
medium February 15, 2024
2800 Shortest String That Contains Three Strings
medium September 27, 2023
2801 Count Stepping Numbers in Range
hard July 31, 2024
2806 Account Balance After Rounded Purchase
easy December 14, 2023
2807 Insert Greatest Common Divisors in Linked List
medium August 14, 2023
2810 Faulty Keyboard
easy December 25, 2023
2811 Check if it is Possible to Split Array
medium June 23, 2024
2812 Find the Safest Path in a Grid
medium May 12, 2024
2816 Double a Number Represented as a Linked List
medium January 6, 2024
2817 Minimum Absolute Difference Between Elements With Constraint
medium April 16, 2024
2824 Count Pairs Whose Sum is Less than Target
easy October 22, 2023
2825 Make String a Subsequence Using Cyclic Increments
medium April 16, 2024
2826 Sorting Three Groups
medium April 16, 2024
2828 Check if a String Is an Acronym of Words
easy December 23, 2023
2829 Determine the Minimum Sum of a k-avoiding Array
medium April 28, 2024
2833 Furthest Point From Origin
easy December 21, 2023
2839 Check if Strings Can be Made Equal With Operations I
easy December 20, 2023
2840 Check if Strings Can be Made Equal With Operations II
medium April 19, 2024
2841 Maximum Sum of Almost Unique Subarray
medium April 28, 2024
2843 Count Symmetric Integers
easy January 31, 2024
2844 Minimum Operations to Make a Special Number
medium September 28, 2023
2849 Determine if a Cell Is Reachable at a Given Time
medium November 8, 2023
2850 Minimum Moves to Spread Stones Over Grid
medium April 28, 2024
2855 Minimum Right Shifts to Sort the Array
easy January 8, 2024
2856 Minimum Array Length After Pair Removals
medium July 23, 2024
2857 Count Pairs of Points With Distance k
medium April 16, 2024
2859 Sum of Values at Indices With K Set Bits
easy November 16, 2023
2860 Happy Students
medium September 28, 2023
2861 Maximum Number of Alloys
medium June 17, 2024
2864 Maximum Odd Binary Number
easy November 2, 2023
2865 Beautiful Towers I
medium February 15, 2024
2869 Minimum Operations to Collect Elements
easy December 4, 2023
2870 Minimum Number of Operations to Make Array Empty
medium January 5, 2024
2871 Split Array Into Maximum Number of Subarrays
medium August 2, 2024
2873 Maximum Value of an Ordered Triplet I
easy December 5, 2023
2874 Maximum Value of an Ordered Triplet II
medium February 15, 2024
2875 Minimum Size Subarray in Infinite Array
medium May 27, 2024
2894 Divisible and Non-divisible Sums Difference
easy November 8, 2023
2895 Minimum Processing Time
medium November 8, 2023
2896 Apply Operations to Make Two Strings Equal
medium November 8, 2023
2897 Apply Operations on Array to Maximize Sum of Squares
hard July 9, 2024
2899 Last Visited Integers
easy January 16, 2024
2900 Longest Unequal Adjacent Groups Subsequence I
easy February 23, 2024
2903 Find Indices With Index and Value Difference I
easy February 16, 2024
2904 Shortest and Lexicographically Smallest Beautiful String
medium February 16, 2024
2905 Find Indices With Index and Value Difference II
medium April 21, 2024
2906 Construct Product Matrix
medium June 18, 2024
2908 Minimum Sum of Mountain Triplets I
easy January 31, 2024
2909 Minimum Sum of Mountain Triplets II
medium February 16, 2024
2910 Minimum Number of Groups to Create a Valid Assignment
medium July 3, 2024
2913 Subarrays Distinct Element Sum of Squares I
easy December 25, 2023
2914 Minimum Number of Changes to Make Binary String Beautiful
medium April 18, 2024
2915 Length of the Longest Subsequence That Sums to Target
medium May 15, 2024
2917 Find the K-or of an Array
easy February 16, 2024
2918 Minimum Equal Sum of Two Arrays After Replacing Zeros
medium February 16, 2024
2919 Minimum Increment Operations to Make Array Beautiful
medium April 20, 2024
2920 Maximum Points After Collecting Coins From All Nodes
hard June 21, 2024
2923 Find Champion I
easy January 16, 2024
2924 Find Champion II
medium January 15, 2024
2925 Maximum Score After Applying Operations on a Tree
medium June 21, 2024
2928 Distribute Candies Among Children I
easy December 31, 2023
2929 Distribute Candies Among Children II
medium June 23, 2024
2930 Number of Strings Which Can Be Rearranged to Contain Substring
medium March 24, 2024
2931 Maximum Spending After Buying Items
hard February 17, 2024
2932 Maximum Strong Pair XOR I
easy November 23, 2023
2933 High-Access Employees
medium December 11, 2023
2934 Minimum Operations to Maximize Last Elements in Arrays
medium June 21, 2024
2937 Make Three Strings Equal
easy December 5, 2023
2938 Separate Black and White Balls
medium January 31, 2024
2939 Maximum Xor Product
medium June 22, 2024
2940 Find Building Where Alice and Bob Can Meet
hard May 14, 2024
2942 Find Words Containing Character
easy December 9, 2023
2943 Maximize Area of Square Hole in Grid
medium June 22, 2024
2944 Minimum Number of Coins for Fruits
medium March 13, 2024
2946 Matrix Similarity After Cyclic Shifts
easy February 23, 2024
2947 Count Beautiful Substrings I
medium March 12, 2024
2948 Make Lexicographically Smallest Array by Swapping Elements
medium March 23, 2024
2951 Find the Peaks
easy January 30, 2024
2956 Find Common Elements Between Two Arrays
easy December 30, 2023
2957 Remove Adjacent Almost-Equal Characters
medium January 30, 2024
2958 Length of Longest Subarray With at Most K Frequency
medium March 31, 2024
2959 Number of Possible Sets of Closing Branches
hard June 23, 2024
2960 Count Tested Devices After Test Operations
easy January 30, 2024
2961 Double Modular Exponentiation
medium January 30, 2024
2962 Count Subarrays Where Max Element Appears at Least K Times
medium March 24, 2024
2965 Find Missing and Repeated Values
easy January 30, 2024
2966 Divide Array Into Arrays With Max Difference
medium February 2, 2024
2967 Minimum Cost to Make Array Equalindromic
medium July 3, 2024
2970 Count the Number of Incremovable Subarrays I
easy January 3, 2024
2971 Find Polygon With the Largest Perimeter
medium February 19, 2024
2975 Maximum Square Area by Removing Fences From a Field
medium June 23, 2024
2976 Minimum Cost to Convert String I
medium April 20, 2024
2980 Check if Bitwise OR Has Trailing Zeros
easy January 16, 2024
2981 Find Longest Special Substring That Occurs Thrice I
medium January 31, 2024
2982 Find Longest Special Substring That Occurs Thrice II
medium January 31, 2024
2996 Smallest Missing Integer Greater Than Sequential Prefix Sum
easy January 16, 2024
2997 Minimum Number of Operations to Make Array XOR Equal to K
medium February 22, 2024
2998 Minimum Number of Operations to Make X and Y Equal
medium March 20, 2024
3000 Maximum Area of Longest Diagonal Rectangle
easy March 14, 2024
3001 Minimum Moves to Capture The Queen
medium January 16, 2024
3002 Maximum Size of a Set After Removals
medium March 20, 2024
3005 Count Elements With Maximum Frequency
easy March 11, 2024
3010 Divide an Array Into Subarrays With Minimum Cost I
easy March 11, 2024
3011 Find if Array Can Be Sorted
medium March 15, 2024
3012 Minimize Length of Array Using Operations
medium April 20, 2024
3014 Minimum Number of Pushes to Type Word I
easy March 12, 2024
3015 Count the Number of Houses at a Certain Distance I
medium March 18, 2024
3016 Minimum Number of Pushes to Type Word II
medium March 18, 2024
3019 Number of Changing Keys
easy March 15, 2024
3024 Type of Triangle
easy March 16, 2024
3025 Find the Number of Ways to Place People I
medium March 19, 2024
3028 Ant on the Boundary
easy March 18, 2024
3030 Find the Grid of Region Average
medium March 20, 2024
3033 Modify the Matrix
easy March 19, 2024
3034 Number of Subarrays That Match a Pattern I
medium March 10, 2024
3035 Maximum Palindromes After Operations
medium March 20, 2024
3038 Maximum Number of Operations With the Same Score I
easy March 20, 2024
3039 Apply Operations to Make String Empty
medium March 16, 2024
3040 Maximum Number of Operations With the Same Score II
medium July 22, 2024
3041 Maximize Consecutive Elements in an Array After Modification
hard July 22, 2024
3042 Count Prefix and Suffix Pairs I
easy April 26, 2024
3045 Count Prefix and Suffix Pairs II
hard April 27, 2024
3046 Split the Array
easy May 18, 2024
3047 Find the Largest Area of Square Inside Two Rectangles
medium April 27, 2024
3048 Earliest Second to Mark Indices I
medium June 21, 2024
3065 Minimum Operations to Exceed Threshold Value I
easy March 18, 2024
3066 Minimum Operations to Exceed Threshold Value II
medium March 18, 2024
3067 Count Pairs of Connectable Servers in a Weighted Tree Network
medium July 9, 2024
3069 Distribute Elements Into Two Arrays I
easy May 1, 2024
3070 Count Submatrices with Top-Left Element and Sum Less Than k
medium May 1, 2024
3071 Minimum Operations to Write the Letter Y on a Grid
medium May 14, 2024
3074 Apple Redistribution into Boxes
easy May 1, 2024
3075 Maximize Happiness of Selected Children
medium May 14, 2024
3076 Shortest Uncommon Substring in an Array
medium May 5, 2024
3080 Mark Elements on Array by Performing Queries
medium May 2, 2024
3081 Replace Question Marks in String to Minimize Its Value
medium May 2, 2024
3083 Existence of a Substring in a String and Its Reverse
easy May 1, 2024
3084 Count Substrings Starting and Ending with Given Character
medium April 26, 2024
3090 Maximum Length Substring With Two Occurrences
easy May 25, 2024
3092 Most Frequent IDs
medium April 26, 2024
3095 Shortest Subarray With OR at Least K I
easy May 15, 2024
3096 Minimum Levels to Gain More Points
medium April 26, 2024
3097 Shortest Subarray With OR at Least K II
medium June 20, 2024
3099 Harshad Number
easy April 5, 2024
3100 Water Bottles II
medium April 26, 2024
3101 Count Alternating Subarrays
medium June 25, 2024
3105 Longest Strictly Increasing or Strictly Decreasing Subarray
easy April 13, 2024
3106 Lexicographically Smallest String After Operations With Constraint
medium April 25, 2024
3107 Minimum Operations to Make Median of Array Equal to K
medium April 26, 2024
3110 Score of a String
easy April 14, 2024
3111 Minimum Rectangles to Cover Points
medium April 25, 2024
3112 Minimum Time to Visit Disappearing Nodes
medium May 1, 2024
3114 Latest Time You Can Obtain After Replacing Characters
easy May 1, 2024
3115 Maximum Prime Difference
medium April 24, 2024
3122 Minimum Number of Operations to Satisfy Conditions
medium July 27, 2024
3127 Make a Square with the Same Color
easy May 1, 2024
3128 Right Triangles
medium May 1, 2024
3129 Find All Possible Stable Binary Arrays I
medium May 5, 2024
3131 Find the Integer Added to Array I
easy May 4, 2024
3132 Find the Integer Added to Array II
medium May 13, 2024
3133 Minimum Array End
medium May 13, 2024
3136 Valid Word
easy June 26, 2024
3137 Minimum Number of Operations to Make Word K-Periodic
medium June 30, 2024
3138 Minimum Length of Anagram Concatenation
medium July 6, 2024
3142 Check if Grid Satisfies Conditions
easy June 29, 2024
3143 Maximum Points Inside the Square
medium May 16, 2024
3144 Minimum Substring Partition of Equal Character Frequency
medium May 16, 2024
3146 Permutation Difference between Two Strings
easy July 8, 2024
3147 Taking Maximum Energy From the Mystic Dungeon
medium May 17, 2024
3148 Maximum Difference Score in a Grid
medium May 16, 2024
3151 Special Array I
easy May 25, 2024
3153 Sum of Digit Differences of All Pairs
medium May 29, 2024
3154 Find Number of Ways to Reach the K-th Stair
hard July 9, 2024
3158 Find the XOR of Numbers Which Appear Twice
easy July 26, 2024
3159 Find Occurrences of an Element in an Array
medium June 19, 2024
3160 Find the Number of Distinct Colors Among the Balls
medium June 20, 2024
3162 Find the Number of Good Pairs I
easy June 20, 2024
3164 Find the Number of Good Pairs II
medium June 20, 2024
3168 Minimum Number of Chairs in a Waiting Room
easy July 2, 2024
3169 Count Days Without Meetings
medium July 2, 2024
3170 Lexicographically Minimum String After Removing Stars
medium June 15, 2024
3171 Find Subarray With Bitwise OR Closest to K
hard June 20, 2024
3174 Clear Digits
easy July 4, 2024
3175 Find The First Player to win K Games in a Row
medium July 6, 2024
3178 Find the Child Who Has the Ball After K Seconds
easy July 13, 2024
3179 Find the N-th Value After K Seconds
medium July 5, 2024
3180 Maximum Total Reward Using Operations I
medium July 3, 2024
3184 Count Pairs That Form a Complete Day I
easy July 7, 2024
3185 Count Pairs That Form a Complete Day II
medium July 7, 2024
3186 Maximum Total Damage With Spell Casting
medium July 3, 2024
3191 Minimum Operations to Make Binary Array Elements Equal to One I
medium June 26, 2024
3192 Minimum Operations to Make Binary Array Elements Equal to One II
medium June 26, 2024
3194 Minimum Average of Smallest and Largest Elements
easy July 28, 2024
3195 Find the Minimum Area to Cover All Ones I
medium June 26, 2024
3196 Maximize Total Cost of Alternating Subarrays
medium July 22, 2024
3197 Find the Minimum Area to Cover All Ones II
hard June 26, 2024
3200 Maximum Height of a Triangle
easy July 7, 2024
3201 Find the Maximum Length of Valid Subsequence I
medium July 8, 2024
3202 Find the Maximum Length of Valid Subsequence II
medium July 18, 2024
3206 Alternating Groups I
easy July 8, 2024
3207 Maximum Points After Enemy Battles
medium July 8, 2024
3208 Alternating Groups II
medium July 9, 2024
3209 Number of Subarrays With AND Value of K
hard July 22, 2024
3210 Find the Encrypted String
easy July 9, 2024
3211 Generate Binary Strings Without Adjacent Zeros
medium July 8, 2024
3212 Count Submatrices With Equal Frequency of X and Y
medium July 9, 2024
3217 Delete Nodes From Linked List Present in Array
medium July 15, 2024
3219 Minimum Cost for Cutting Cake II
hard July 22, 2024
3222 Find the Winning Player in Coin Game
easy August 5, 2024
3223 Minimum Length of String After Operations
medium July 21, 2024
3226 Number of Bit Changes to Make Two Integers Equal
easy July 26, 2024
3227 Vowels Game in a String
medium July 22, 2024
3232 Find if Digit Game Can Be Won
easy July 30, 2024
3233 Find the Count of Numbers Which Are Not Special
medium July 28, 2024
3238 Find the Number of Winning Players
easy August 5, 2024