LeetCode 练习记录。
数据库为 MySQL 5.7。Markdown 文件命名对应 leetcode 中的序号及标题。
| # | Title | Difficulty |
|---|---|---|
| 175 | Combine Two Tables | Easy |
| 176 | Second Highest Salary | Easy |
| 177 | Nth Highest Salary | Medium |
| 178 | Rank Scores | Medium |
| 180 | Consecutive Numbers | Medium |
| 181 | Employees Earning More Than Their Managers | Easy |
| 182 | Duplicate Emails | Easy |
| 183 | Customers Who Never Order | Easy |
| 184 | Department Highest Salary | Medium |
| 185 | Department Top Three Salaries | Hard |
| 196 | Delete Duplicate Emails | Easy |
| 197 | Rising Temperature | Easy |
| 262 | Trips and Users | Hard |
| 595 | Big Countries | Easy |
| 596 | Classes More Than 5 Students | Easy |
| 601 | Human Traffic of Stadium | Hard |
| 620 | Not Boring Movies | Easy |
| 626 | Exchange Seats | Medium |
| 627 | Swap Salary | Easy |
| 1179 | Reformat Department Table | Easy |
JDK 版本为 21.0.3。Python 版本为 3.8.10。Go 版本为 1.22.3。
| # | Title | Solution | Difficulty |
|---|---|---|---|
| 1 | Two Sum | Java | Easy |
| 2 | Add Two Numbers | Java | Medium |
| 3 | Longest Substring Without Repeating Characters | Go, Java | Medium |
| 5 | Longest Palindromic Substring | Go, Java | Medium |
| 6 | Zigzag Conversion | Java | Medium |
| 7 | Reverse Integer | Java | Easy |
| 8 | String to Integer (atoi) | Java | Medium |
| 9 | Palindrome Number | Java | Easy |
| 11 | Container With Most Water | Java | Medium |
| 12 | Integer to Roman | Go, Java | Medium |
| 13 | Roman to Integer | Java | Easy |
| 14 | Longest Common Prefix | Java | Easy |
| 15 | 3Sum | Java | Medium |
| 16 | 3Sum Closest | Java | Medium |
| 17 | Letter Combinations of a Phone Number | Java | Medium |
| 18 | 4Sum | Java | Medium |
| 19 | Remove Nth Node From End of List | Java | Medium |
| 20 | Valid Parentheses | Java | Easy |
| 21 | Merge Two Sorted Lists | Java | Easy |
| 22 | Generate Parentheses | Java | Medium |
| 24 | Swap Nodes in Pairs | Java | Medium |
| 26 | Remove Duplicates from Sorted Array | Java | Easy |
| 27 | Remove Element | Java | Easy |
| 28 | Implement strStr() | Java | Easy |
| 29 | Divide Two Integers | Java | Medium |
| 31 | Next Permutation | Java | Medium |
| 33 | Search in Rotated Sorted Array | Java | Medium |
| 34 | Find First and Last Position of Element in Sorted Array | Java | Medium |
| 35 | Search Insert Position | Java | Easy |
| 36 | Valid Sudoku | Java | Medium |
| 39 | Combination Sum | Java | Medium |
| 40 | Combination Sum II | Java | Medium |
| 43 | Multiply Strings | Java | Medium |
| 45 | Jump Game II | Go, Java | Medium |
| 46 | Permutations | Java | Medium |
| 47 | Permutations II | Java | Medium |
| 48 | Rotate Image | Java | Medium |
| 49 | Group Anagrams | Java | Medium |
| 50 | Pow(x, n) | Go, Java | Medium |
| 53 | Maximum Subarray | Java | Easy |
| 54 | Spiral Matrix | Java | Medium |
| 55 | Jump Game | Java | Medium |
| 56 | Merge Intervals | Java | Medium |
| 57 | Insert Interval | Java | Medium |
| 58 | Length of Last Word | Java | Easy |
| 59 | Spiral Matrix II | Java | Medium |
| 61 | Rotate List | Go, Java | Medium |
| 62 | Unique Paths | Java | Medium |
| 63 | Unique Paths II | Java | Medium |
| 64 | Minimum Path Sum | Java | Medium |
| 66 | Plus One | Java | Easy |
| 67 | Add Binary | Java | Easy |
| 69 | Sqrt(x) | Java | Easy |
| 70 | Climbing Stairs | Java | Easy |
| 71 | Simplify Path | Java | Medium |
| 73 | Set Matrix Zeroes | Java | Medium |
| 74 | Search a 2D Matrix | Java | Medium |
| 75 | Sort Colors | Java | Medium |
| 77 | Combinations | Java | Medium |
| 78 | Subsets | Java | Medium |
| 79 | Word Search | Java | Medium |
| 80 | Remove Duplicates from Sorted Array II | Java | Medium |
| 81 | Search in Rotated Sorted Array II | Java | Medium |
| 82 | Remove Duplicates from Sorted List II | Java | Medium |
| 83 | Remove Duplicates from Sorted List | Java | Easy |
| 86 | Partition List | Java | Medium |
| 88 | Merge Sorted Array | Java | Easy |
| 89 | Gray Code | Go, Java | Medium |
| 90 | Subsets II | Java | Medium |
| 91 | Decode Ways | Go, Java | Medium |
| 92 | Reverse Linked List II | Java | Medium |
| 93 | Restore IP Addresses | Java | Medium |
| 94 | Binary Tree Inorder Traversal | Java | Medium |
| 95 | Unique Binary Search Trees II | Java | Medium |
| 96 | Unique Binary Search Trees | Java | Medium |
| 98 | Validate Binary Search Tree | Go, Java | Medium |
| 100 | Same Tree | Java | Easy |
| 101 | Symmetric Tree | Java | Easy |
| 102 | Binary Tree Level Order Traversal | Java | Medium |
| 103 | Binary Tree Zigzag Level Order Traversal | Java | Medium |
| 104 | Maximum Depth of Binary Tree | Java | Easy |
| 105 | Construct Binary Tree from Preorder and Inorder Traversal | Go, Java | Medium |
| 106 | Construct Binary Tree from Inorder and Postorder Traversal | Java | Medium |
| 107 | Binary Tree Level Order Traversal II | Java | Easy |
| 108 | Convert Sorted Array to Binary Search Tree | Java | Easy |
| 109 | Convert Sorted List to Binary Search Tree | Java | Medium |
| 110 | Balanced Binary Tree | Java | Easy |
| 111 | Minimum Depth of Binary Tree | Java | Easy |
| 112 | Path Sum | Java | Easy |
| 113 | Path Sum II | Java | Medium |
| 114 | Flatten Binary Tree to Linked List | Java | Medium |
| 116 | Populating Next Right Pointers in Each Node | Java | Medium |
| 117 | Populating Next Right Pointers in Each Node II | Java | Medium |
| 118 | Pascal's Triangle | Java | Easy |
| 119 | Pascal's Triangle II | Java | Easy |
| 120 | Triangle | Java | Medium |
| 121 | Best Time to Buy and Sell Stock | Java | Easy |
| 122 | Best Time to Buy and Sell Stock II | Java | Easy |
| 128 | Longest Consecutive Sequence | Java | Medium |
| 129 | Sum Root to Leaf Numbers | Java | Medium |
| 130 | Surrounded Regions | Go, Java | Medium |
| 131 | Palindrome Partitioning | Java | Medium |
| 133 | Clone Graph | Java | Medium |
| 134 | Gas Station | Java | Medium |
| 136 | Single Number | Java | Easy |
| 137 | Single Number II | Java | Medium |
| 138 | Copy List with Random Pointer | Java | Medium |
| 139 | Word Break | Java | Medium |
| 141 | Linked List Cycle | Java | Easy |
| 142 | Linked List Cycle II | Java | Medium |
| 143 | Reorder List | Java | Medium |
| 144 | Binary Tree Preorder Traversal | Java | Medium |
| 145 | Binary Tree Postorder Traversal | Java | Medium |
| 146 | LRU Cache | Java | Medium |
| 147 | Insertion Sort List | Java | Medium |
| 148 | Sort List | Java | Medium |
| 150 | Evaluate Reverse Polish Notation | Java | Medium |
| 151 | Reverse Words in a String | Go, Java | Medium |
| 152 | Maximum Product Subarray | Go, Java | Medium |
| 153 | Find Minimum in Rotated Sorted Array | Java | Medium |
| 155 | Min Stack | Java | Easy |
| 160 | Intersection of Two Linked Lists | Java | Easy |
| 162 | Find Peak Element | Java | Medium |
| 164 | Maximum Gap | Go, Java | Medium |
| 165 | Compare Version Numbers | Go, Java | Medium |
| 166 | Fraction to Recurring Decimal | Go, Java | Medium |
| 167 | Two Sum II - Input array is sorted | Java | Easy |
| 168 | Excel Sheet Column Title | Java | Easy |
| 169 | Majority Element | Java | Easy |
| 171 | Excel Sheet Column Number | Java | Easy |
| 172 | Factorial Trailing Zeroes | Java | Easy |
| 173 | Binary Search Tree Iterator | Java | Medium |
| 179 | Largest Number | Go, Java | Medium |
| 187 | Repeated DNA Sequences | Java | Medium |
| 189 | Rotate Array | Java | Easy |
| 190 | Reverse Bits | Java | Easy |
| 191 | Number of 1 Bits | Java | Easy |
| 198 | House Robber | Java | Easy |
| 199 | Binary Tree Right Side View | Java | Medium |
| 200 | Number of Islands | Java | Medium |
| 201 | Bitwise AND of Numbers Range | Java | Medium |
| 202 | Happy Number | Java | Easy |
| 203 | Remove Linked List Elements | Java | Easy |
| 204 | Count Primes | Java | Easy |
| 205 | Isomorphic Strings | Java | Easy |
| 206 | Reverse Linked List | Java | Easy |
| 207 | Course Schedule | Go, Java | Medium |
| 208 | Implement Trie (Prefix Tree) | Java | Medium |
| 209 | Minimum Size Subarray Sum | Java | Medium |
| 210 | Course Schedule II | Java | Medium |
| 211 | Design Add and Search Words Data Structure | Java | Medium |
| 213 | House Robber II | Java | Medium |
| 215 | Kth Largest Element in an Array | Java | Medium |
| 216 | Combination Sum III | Java | Medium |
| 217 | Contains Duplicate | Java | Easy |
| 219 | Contains Duplicate II | Java | Easy |
| 221 | Maximal Square | Java | Medium |
| 222 | Count Complete Tree Nodes | Java | Medium |
| 223 | Rectangle Area | Go, Java | Medium |
| 225 | Implement Stack using Queues | Java | Easy |
| 226 | Invert Binary Tree | Java | Easy |
| 227 | Basic Calculator II | Java, Python | Medium |
| 229 | Majority Element II | Java | Medium |
| 230 | Kth Smallest Element in a BST | Java | Medium |
| 231 | Power of Two | Java | Easy |
| 232 | Implement Queue using Stacks | Java | Easy |
| 234 | Palindrome Linked List | Java | Easy |
| 235 | Lowest Common Ancestor of a Binary Search Tree | Java | Easy |
| 236 | Lowest Common Ancestor of a Binary Tree | Java | Medium |
| 237 | Delete Node in a Linked List | Java | Easy |
| 238 | Product of Array Except Self | Java | Medium |
| 240 | Search a 2D Matrix II | Java | Medium |
| 241 | Different Ways to Add Parentheses | Go, Java | Medium |
| 242 | Valid Anagram | Java | Easy |
| 257 | Binary Tree Paths | Java | Easy |
| 258 | Add Digits | Java | Easy |
| 260 | Single Number III | Java | Medium |
| 263 | Ugly Number | Java | Easy |
| 264 | Ugly Number II | Java | Medium |
| 268 | Missing Number | Java | Easy |
| 274 | H-Index | Go, Java | Medium |
| 275 | H-Index II | Go, Java | Medium |
| 278 | First Bad Version | Java | Easy |
| 279 | Perfect Squares | Java | Medium |
| 283 | Move Zeroes | Java | Easy |
| 284 | Peeking Iterator | Java | Medium |
| 287 | Find the Duplicate Number | Java | Medium |
| 289 | Game of Life | Java | Medium |
| 290 | Word Pattern | Java | Easy |
| 292 | Nim Game | Java | Easy |
| 299 | Bulls and Cows | Java | Easy |
| 300 | Longest Increasing Subsequence | Java | Medium |
| 303 | Range Sum Query - Immutable | Java | Easy |
| 304 | Range Sum Query 2D - Immutable | Java | Medium |
| 306 | Additive Number | Java | Medium |
| 307 | Range Sum Query - Mutable | Java | Medium |
| 309 | Best Time to Buy and Sell Stock with Cooldown | Java | Medium |
| 310 | Minimum Height Trees | Java | Medium |
| 316 | Remove Duplicate Letters | Java | Medium |
| 318 | Maximum Product of Word Lengths | Java | Medium |
| 322 | Coin Change | Java | Medium |
| 324 | Wiggle Sort II | Go, Java | Medium |
| 326 | Power of Three | Java | Easy |
| 328 | Odd Even Linked List | Java | Medium |
| 331 | Verify Preorder Serialization of a Binary Tree | Java | Medium |
| 332 | Reconstruct Itinerary | Java | Medium |
| 334 | Increasing Triplet Subsequence | Java | Medium |
| 337 | House Robber III | Java | Medium |
| 338 | Counting Bits | Java | Medium |
| 341 | Flatten Nested List Iterator | Java | Medium |
| 342 | Power of Four | Java | Easy |
| 343 | Integer Break | Java | Medium |
| 344 | Reverse String | Java | Easy |
| 345 | Reverse Vowels of a String | Java | Easy |
| 347 | Top K Frequent Elements | Java | Medium |
| 349 | Intersection of Two Arrays | Java | Easy |
| 350 | Intersection of Two Arrays II | Java | Easy |
| 355 | Design Twitter | Java | Medium |
| 357 | Count Numbers with Unique Digits | Go, Java | Medium |
| 365 | Water and Jug Problem | Go, Java | Medium |
| 367 | Valid Perfect Square | Java | Easy |
| 368 | Largest Divisible Subset | Go, Java | Medium |
| 371 | Sum of Two Integers | Java | Easy |
| 373 | Find K Pairs with Smallest Sums | Java | Medium |
| 374 | Guess Number Higher or Lower | Java | Easy |
| 375 | Guess Number Higher or Lower II | Go, Java | Medium |
| 376 | Wiggle Subsequence | Java | Medium |
| 377 | Combination Sum IV | Java | Medium |
| 378 | Kth Smallest Element in a Sorted Matrix | Java | Medium |
| 380 | Insert Delete GetRandom O(1) | Java | Medium |
| 382 | Linked List Random Node | Java | Medium |
| 383 | Ransom Note | Java | Easy |
| 384 | Shuffle an Array | Java | Medium |
| 385 | Mini Parser | Go, Java | Medium |
| 386 | Lexicographical Numbers | Java | Medium |
| 387 | First Unique Character in a String | Java | Easy |
| 388 | Longest Absolute File Path | Go, Java | Medium |
| 389 | Find the Difference | Java | Easy |
| 392 | Is Subsequence | Java | Easy |
| 393 | UTF-8 Validation | Go, Java | Medium |
| 394 | Decode String | Java | Medium |
| 395 | Longest Substring with At Least K Repeating Characters | Java | Medium |
| 396 | Rotate Function | Go, Java | Medium |
| 397 | Integer Replacement | Go, Java | Medium |
| 398 | Random Pick Index | Go, Java | Medium |
| 402 | Remove K Digits | Go, Java | Medium |
| 404 | Sum of Left Leaves | Java | Easy |
| 405 | Convert a Number to Hexadecimal | Java | Easy |
| 406 | Queue Reconstruction by Height | Java | Easy |
| 409 | Longest Palindrome | Java | Easy |
| 412 | Fizz Buzz | Java | Easy |
| 413 | Arithmetic Slices | Java | Medium |
| 414 | Third Maximum Number | Java | Easy |
| 415 | Add Strings | Java | Easy |
| 416 | Partition Equal Subset Sum | Java | Medium |
| 417 | Pacific Atlantic Water Flow | Java | Medium |
| 419 | Battleships in a Board | Java | Medium |
| 421 | Maximum XOR of Two Numbers in an Array | Java | Medium |
| 423 | Reconstruct Original Digits from English | Go, Java | Medium |
| 424 | Minimum Cost to Make Arrays Identical | Go, Java | Medium |
| 424 | Longest Repeating Character Replacement | Java | Medium |
| 429 | N-ary Tree Level Order Traversal | Java | Easy |
| 430 | Flatten a Multilevel Doubly Linked List | Java | Medium |
| 433 | Minimum Genetic Mutation | Java | Medium |
| 434 | Number of Segments in a String | Java | Easy |
| 435 | Non-overlapping Intervals | Java | Medium |
| 436 | Find Right Interval | Java | Medium |
| 437 | Path Sum III | Java | Easy |
| 438 | Find All Anagrams in a String | Java | Easy |
| 441 | Arranging Coins | Java | Easy |
| 442 | Find All Duplicates in an Array | Java | Medium |
| 443 | String Compression | Java | Easy |
| 445 | Add Two Numbers II | Java | Medium |
| 448 | Find All Numbers Disappeared in an Array | Java | Easy |
| 449 | Serialize and Deserialize BST | Java | Medium |
| 450 | Delete Node in a BST | Java | Medium |
| 451 | Sort Characters By Frequency | Java | Medium |
| 452 | Minimum Number of Arrows to Burst Balloons | Java | Medium |
| 453 | Minimum Moves to Equal Array Elements | Java | Easy |
| 454 | 4Sum II | Java | Medium |
| 455 | Assign Cookies | Java | Easy |
| 456 | 132 Pattern | Go, Java | Medium |
| 457 | Circular Array Loop | Go, Java | Medium |
| 459 | Repeated Substring Pattern | Java | Easy |
| 462 | Minimum Moves to Equal Array Elements II | Java | Medium |
| 463 | Island Perimeter | Java | Easy |
| 464 | Can I Win | Java | Medium |
| 467 | Unique Substrings in Wraparound String | Go, Java | Medium |
| 468 | Validate IP Address | Go, Java | Medium |
| 470 | Implement Rand10() Using Rand7() | Java | Medium |
| 473 | Matchsticks to Square | Java | Medium |
| 474 | Ones and Zeroes | Java | Medium |
| 475 | Heaters | Go, Java | Medium |
| 476 | Number Complement | Java | Easy |
| 477 | Total Hamming Distance | Java | Medium |
| 478 | Generate Random Point in a Circle | Go, Java | Medium |
| 481 | Magical String | Go, Java | Medium |
| 482 | License Key Formatting | Java | Easy |
| 485 | Max Consecutive Ones | Java | Easy |
| 486 | Predict the Winner | Java | Medium |
| 491 | Increasing Subsequences | Java | Medium |
| 492 | Construct the Rectangle | Java | Easy |
| 494 | Target Sum | Java | Medium |
| 496 | Next Greater Element I | Java | Easy |
| 497 | Random Point in Non-overlapping Rectangles | Go, Java | Medium |
| 498 | Diagonal Traverse | Java | Medium |
| 500 | Keyboard Row | Java | Easy |
| 501 | Find Mode in Binary Search Tree | Java | Easy |
| 503 | Next Greater Element II | Java | Medium |
| 504 | Base 7 | Java | Easy |
| 506 | Relative Ranks | Java | Easy |
| 507 | Perfect Number | Java | Easy |
| 508 | Most Frequent Subtree Sum | Java | Medium |
| 509 | Fibonacci Number | Java | Easy |
| 513 | Find Bottom Left Tree Value | Java | Medium |
| 515 | Find Largest Value in Each Tree Row | Java | Medium |
| 516 | Longest Palindromic Subsequence | Java | Medium |
| 518 | Coin Change 2 | Java | Medium |
| 519 | Random Flip Matrix | Java | Medium |
| 520 | Detect Capital | Java | Easy |
| 521 | Longest Uncommon Subsequence I | Java | Easy |
| 522 | Longest Uncommon Subsequence II | Go, Java | Medium |
| 523 | Continuous Subarray Sum | Go, Java | Medium |
| 524 | Longest Word in Dictionary through Deleting | Java | Medium |
| 525 | Contiguous Array | Java | Medium |
| 526 | Beautiful Arrangement | Java | Medium |
| 528 | Random Pick with Weight | Go, Java | Medium |
| 530 | Minimum Absolute Difference in BST | Java | Easy |
| 532 | K-diff Pairs in an Array | Java | Easy |
| 535 | Encode and Decode TinyURL | Go, Java | Medium |
| 537 | Complex Number Multiplication | Go, Java | Medium |
| 538 | Convert BST to Greater Tree | Java | Easy |
| 539 | Minimum Time Difference | Java | Medium |
| 540 | Single Element in a Sorted Array | Java | Medium |
| 541 | Reverse String II | Java | Easy |
| 542 | 01 Matrix | Go, Java | Medium |
| 543 | Diameter of Binary Tree | Java | Easy |
| 547 | Friend Circles | Java | Medium |
| 551 | Student Attendance Record I | Java | Easy |
| 553 | Optimal Division | Go, Java | Medium |
| 554 | Brick Wall | Java | Medium |
| 556 | Next Greater Element III | Go, Java | Medium |
| 557 | Reverse Words in a String III | Java | Easy |
| 558 | Logical OR of Two Binary Grids Represented as Quad-Trees | Java | Medium |
| 559 | Maximum Depth of N-ary Tree | Java | Easy |
| 560 | Subarray Sum Equals K | Java | Medium |
| 561 | Array Partition I | Java | Easy |
| 563 | Binary Tree Tilt | Java | Easy |
| 565 | Array Nesting | Java | Medium |
| 566 | Reshape the Matrix | Java | Easy |
| 567 | Permutation in String | Java | Medium |
| 572 | Subtree of Another Tree | Java | Easy |
| 575 | Distribute Candies | Java | Easy |
| 576 | Out of Boundary Paths | Java | Medium |
| 581 | Shortest Unsorted Continuous Subarray | Java | Easy |
| 583 | Delete Operation for Two Strings | Java | Medium |
| 589 | N-ary Tree Preorder Traversal | Java | Easy |
| 590 | N-ary Tree Postorder Traversal | Java | Easy |
| 593 | Valid Square | Go, Java | Medium |
| 594 | Longest Harmonious Subsequence | Java | Easy |
| 598 | Range Addition II | Java | Easy |
| 599 | Minimum Index Sum of Two Lists | Java | Easy |
| 605 | Can Place Flowers | Java | Easy |
| 606 | Construct String from Binary Tree | Java | Easy |
| 609 | Find Duplicate File in System | Go, Java | Medium |
| 611 | Valid Triangle Number | Java | Medium |
| 617 | Merge Two Binary Trees | Java | Easy |
| 621 | Task Scheduler | Java | Medium |
| 622 | Design Circular Queue | Java | Medium |
| 623 | Add One Row to Tree | Java | Medium |
| 628 | Maximum Product of Three Numbers | Java | Easy |
| 633 | Sum of Square Numbers | Java | Easy |
| 636 | Exclusive Time of Functions | Go, Java | Medium |
| 637 | Average of Levels in Binary Tree | Java | Easy |
| 638 | Shopping Offers | Java | Medium |
| 640 | Solve the Equation | Go, Java | Medium |
| 641 | Design Circular Deque | Java | Medium |
| 643 | Maximum Average Subarray I | Java | Easy |
| 645 | Set Mismatch | Java | Easy |
| 646 | Maximum Length of Pair Chain | Java | Medium |
| 647 | Palindromic Substrings | Java | Medium |
| 648 | Replace Words | Java | Medium |
| 649 | Dota2 Senate | Java | Medium |
| 650 | 2 Keys Keyboard | Java | Medium |
| 652 | Find Duplicate Subtrees | Java | Medium |
| 653 | Two Sum IV - Input is a BST | Java | Easy |
| 654 | Maximum Binary Tree | Java | Medium |
| 657 | Robot Return to Origin | Java | Easy |
| 658 | Find K Closest Elements | Java | Medium |
| 659 | Split Array into Consecutive Subsequences | Java | Medium |
| 661 | Image Smoother | Java | Easy |
| 662 | Maximum Width of Binary Tree | Java | Medium |
| 665 | Non-decreasing Array | Java | Easy |
| 667 | Beautiful Arrangement II | Go, Java | Medium |
| 669 | Trim a Binary Search Tree | Java | Easy |
| 670 | Maximum Swap | Java | Easy |
| 671 | Second Minimum Node In a Binary Tree | Java | Easy |
| 672 | Bulb Switcher II | Go, Java | Medium |
| 673 | Number of Longest Increasing Subsequence | Go, Java | Medium |
| 674 | Longest Continuous Increasing Subsequence | Java | Easy |
| 676 | Implement Magic Dictionary | Java | Medium |
| 677 | Map Sum Pairs | Java | Medium |
| 678 | Valid Parenthesis String | Go, Java | Medium |
| 680 | Valid Palindrome II | Java | Easy |
| 682 | Baseball Game | Java | Easy |
| 684 | Redundant Connection | Java | Medium |
| 686 | Repeated String Match | Java | Easy |
| 687 | Longest Univalue Path | Java | Easy |
| 688 | Knight Probability in Chessboard | Java | Medium |
| 690 | Employee Importance | Java | Easy |
| 692 | Top K Frequent Words | Java | Medium |
| 693 | Binary Number with Alternating Bits | Java | Easy |
| 695 | Max Area of Island | Java | Medium |
| 696 | Count Binary Substrings | Java | Easy |
| 697 | Degree of an Array | Java | Easy |
| 698 | Partition to K Equal Sum Subsets | Java | Medium |
| 700 | Search in a Binary Search Tree | Java | Easy |
| 701 | Insert into a Binary Search Tree | Java | Medium |
| 703 | Kth Largest Element in a Stream | Java | Easy |
| 705 | Design HashSet | Java | Easy |
| 706 | Design HashMap | Java | Easy |
| 707 | Design Linked List | Java | Medium |
| 709 | To Lower Case | Java, Python | Easy |
| 712 | Minimum ASCII Delete Sum for Two Strings | Java | Medium |
| 713 | Subarray Product Less Than K | Java | Medium |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | Java | Medium |
| 717 | 1-bit and 2-bit Characters | Java | Easy |
| 718 | Maximum Length of Repeated Subarray | Java | Medium |
| 720 | Longest Word in Dictionary | Go, Java | Medium |
| 721 | Accounts Merge | Java | Medium |
| 722 | Remove Comments | Go, Java | Medium |
| 724 | Find Pivot Index | Java | Easy |
| 725 | Split Linked List in Parts | Java | Medium |
| 728 | Self Dividing Numbers | Java | Easy |
| 729 | My Calendar I | Java | Medium |
| 731 | My Calendar II | Java | Medium |
| 733 | Flood Fill | Java | Easy |
| 735 | Asteroid Collision | Java | Medium |
| 738 | Monotone Increasing Digits | Java | Medium |
| 739 | Daily Temperatures | Java | Medium |
| 740 | Delete and Earn | Java | Medium |
| 743 | Network Delay Time | Java | Medium |
| 744 | Find Smallest Letter Greater Than Target | Java | Easy |
| 746 | Min Cost Climbing Stairs | Java | Easy |
| 747 | Largest Number At Least Twice of Others | Java | Easy |
| 748 | Shortest Completing Word | Java | Easy |
| 752 | Open the Lock | Java | Medium |
| 754 | Reach a Number | Java | Easy |
| 762 | Prime Number of Set Bits in Binary Representation | Java | Easy |
| 763 | Partition Labels | Java | Medium |
| 764 | Largest Plus Sign | Java | Medium |
| 766 | Toeplitz Matrix | Java | Easy |
| 767 | Reorganize String | Java | Medium |
| 769 | Max Chunks To Make Sorted | Java | Medium |
| 771 | Jewels and Stones | Java, Python | Easy |
| 775 | Global and Local Inversions | Java | Medium |
| 777 | Swap Adjacent in LR String | Go, Java | Medium |
| 779 | K-th Symbol in Grammar | Go, Java | Medium |
| 781 | Rabbits in Forest | Java | Medium |
| 783 | Minimum Distance Between BST Nodes | Java | Easy |
| 784 | Letter Case Permutation | Java | Easy |
| 785 | Is Graph Bipartite | Java | Medium |
| 787 | Cheapest Flights Within K Stops | Java | Medium |
| 788 | Rotated Digits | Java | Easy |
| 789 | Escape The Ghosts | Java | Medium |
| 791 | Custom Sort String | Java | Medium |
| 792 | Number of Matching Subsequences | Java | Medium |
| 794 | Valid Tic-Tac-Toe State | Go, Java | Medium |
| 795 | Number of Subarrays with Bounded Maximum | Java | Medium |
| 796 | Rotate String | Java | Easy |
| 797 | All Paths From Source to Target | Java | Medium |
| 799 | Champagne Tower | Go, Java | Medium |
| 801 | Minimum Swaps To Make Sequences Increasing | Java | Medium |
| 802 | Find Eventual Safe States | Java | Medium |
| 804 | Unique Morse Code Words | Java | Easy |
| 806 | Number of Lines To Write String | Java | Easy |
| 807 | Max Increase to Keep City Skyline | Java | Medium |
| 809 | Expressive Words | Go, Java | Medium |
| 811 | Subdomain Visit Count | Java | Easy |
| 812 | Largest Triangle Area | Java | Easy |
| 813 | Largest Sum of Averages | Java | Medium |
| 814 | Binary Tree Pruning | Java | Medium |
| 817 | Linked List Components | Go, Java | Medium |
| 819 | Most Common Word | Java | Easy |
| 820 | Short Encoding of Words | Java | Medium |
| 821 | Shortest Distance to a Character | Java | Easy |
| 822 | Card Flipping Game | Go, Java | Medium |
| 823 | Binary Trees With Factors | Java | Medium |
| 824 | Goat Latin | Java | Easy |
| 825 | Friends Of Appropriate Ages | Go, Java | Medium |
| 826 | Most Profit Assigning Work | Java | Medium |
| 830 | Positions of Large Groups | Java | Easy |
| 831 | Masking Personal Information | Go, Java | Medium |
| 832 | Flipping an Image | Java | Easy |
| 833 | Find And Replace in String | Java | Medium |
| 835 | Image Overlap | Go, Java | Medium |
| 836 | Rectangle Overlap | Java | Easy |
| 838 | Push Dominoes | Java | Medium |
| 841 | Keys and Rooms | Java | Medium |
| 842 | Split Array into Fibonacci Sequence | Java | Medium |
| 844 | Backspace String Compare | Java | Easy |
| 845 | Longest Mountain in Array | Java | Medium |
| 846 | Hand of Straights | Java | Medium |
| 848 | Shifting Letters | Java | Easy |
| 849 | Maximize Distance to Closest Person | Java | Easy |
| 851 | Loud and Rich | Go, Java | Medium |
| 852 | Peak Index in a Mountain Array | Java | Easy |
| 853 | Car Fleet | Java | Medium |
| 855 | Exam Room | Java | Medium |
| 856 | Score of Parentheses | Java | Medium |
| 858 | Mirror Reflection | Go, Java | Medium |
| 859 | Buddy Strings | Java | Easy |
| 860 | Lemonade Change | Java | Easy |
| 861 | Score After Flipping Matrix | Java | Medium |
| 863 | All Nodes Distance K in Binary Tree | Java | Medium |
| 865 | Smallest Subtree with all the Deepest Nodes | Java | Medium |
| 866 | Prime Palindrome | Go, Java | Medium |
| 867 | Transpose Matrix | Java | Easy |
| 868 | Binary Gap | Java | Easy |
| 869 | Reordered Power of 2 | Java | Medium |
| 870 | Advantage Shuffle | Java | Medium |
| 872 | Leaf-Similar Trees | Java | Easy |
| 873 | Length of Longest Fibonacci Subsequence | Java | Medium |
| 874 | Walking Robot Simulation | Go, Java | Medium |
| 875 | Koko Eating Bananas | Java | Medium |
| 876 | Middle of the Linked List | Java | Easy |
| 877 | Stone Game | Java | Medium |
| 880 | Decoded String at Index | Go, Java | Medium |
| 881 | Boats to Save People | Java | Medium |
| 883 | Projection Area of 3D Shapes | Java | Easy |
| 884 | Uncommon Words from Two Sentences | Java | Easy |
| 886 | Possible Bipartition | Java | Easy |
| 888 | Fair Candy Swap | Java | Easy |
| 889 | Construct Binary Tree from Preorder and Postorder Traversal | Java | Medium |
| 890 | Find and Replace Pattern | Java | Medium |
| 893 | Groups of Special-Equivalent Strings | Java | Easy |
| 894 | All Possible Full Binary Trees | Java | Medium |
| 896 | Monotonic Array | Java | Easy |
| 897 | Increasing Order Search Tree | Java | Easy |
| 898 | Bitwise ORs of Subarrays | Go, Java | Medium |
| 900 | RLE Iterator | Java | Medium |
| 901 | Online Stock Span | Java | Medium |
| 904 | Fruit Into Baskets | Go, Java | Medium |
| 905 | Sort Array By Parity | Java | Easy |
| 907 | Sum of Subarray Minimums | Go, Java | Medium |
| 908 | Smallest Range I | Java | Easy |
| 910 | Smallest Range II | Go, Java | Medium |
| 911 | Online Election | Java | Medium |
| 912 | Sort an Array | Java | Medium |
| 914 | X of a Kind in a Deck of Cards | Java | Easy |
| 915 | Partition Array into Disjoint Intervals | Java | Medium |
| 916 | Word Subsets | Java | Medium |
| 917 | Reverse Only Letters | Java | Easy |
| 918 | Maximum Sum Circular Subarray | Go, Java | Medium |
| 919 | Complete Binary Tree Inserter | Go, Java | Medium |
| 921 | Minimum Add to Make Parentheses Valid | Java | Medium |
| 922 | Sort Array By Parity II | Java | Easy |
| 923 | 3Sum With Multiplicity | Java | Medium |
| 925 | Long Pressed Name | Java | Easy |
| 926 | Flip String to Monotone Increasing | Java | Medium |
| 929 | Unique Email Addresses | Java | Easy |
| 930 | Binary Subarrays With Sum | Java | Medium |
| 931 | Minimum Falling Path Sum | Java | Medium |
| 933 | Number of Recent Calls | Java | Easy |
| 934 | Shortest Bridge | Java | Medium |
| 935 | Knight Dialer | Java | Medium |
| 937 | Reorder Data in Log Files | Java | Easy |
| 938 | Range Sum of BST | Java, Python | Easy |
| 939 | Minimum Area Rectangle | Java | Medium |
| 941 | Valid Mountain Array | Java | Easy |
| 942 | DI String Match | Java | Easy |
| 944 | Delete Columns to Make Sorted | Java | Easy |
| 945 | Minimum Increment to Make Array Unique | Java | Medium |
| 946 | Validate Stack Sequences | Java | Medium |
| 947 | Most Stones Removed with Same Row or Column | Java | Medium |
| 948 | Bag of Tokens | Java | Medium |
| 949 | Largest Time for Given Digits | Java | Easy |
| 950 | Reveal Cards In Increasing Order | Java | Medium |
| 951 | Flip Equivalent Binary Trees | Java | Medium |
| 953 | Verifying an Alien Dictionary | Java | Easy |
| 954 | Array of Doubled Pairs | Go, Java | Medium |
| 955 | Delete Columns to Make Sorted II | Java | Medium |
| 957 | Prison Cells After N Days | Go, Java | Medium |
| 958 | Check Completeness of a Binary Tree | Java | Medium |
| 961 | N-Repeated Element in Size 2N Array | Java | Easy |
| 962 | Maximum Width Ramp | Java | Medium |
| 965 | Univalued Binary Tree | Java | Easy |
| 966 | Vowel Spellchecker | Java | Medium |
| 967 | Numbers With Same Consecutive Differences | Java | Medium |
| 970 | Powerful Integers | Java | Easy |
| 971 | Flip Binary Tree To Match Preorder Traversal | Java | Medium |
| 973 | K Closest Points to Origin | Java | Medium |
| 974 | Subarray Sums Divisible by K | Java | Medium |
| 976 | Largest Perimeter Triangle | Java | Easy |
| 977 | Squares of a Sorted Array | Java | Easy |
| 978 | Longest Turbulent Subarray | Java | Medium |
| 979 | Distribute Coins in Binary Tree | Java | Medium |
| 981 | Time Based Key-Value Store | Java | Medium |
| 983 | Minimum Cost For Tickets | Java | Medium |
| 984 | String Without AAA or BBB | Go, Java | Medium |
| 985 | Sum of Even Numbers After Queries | Java | Easy |
| 986 | Interval List Intersections | Java | Medium |
| 988 | Smallest String Starting From Leaf | Java | Medium |
| 989 | Add to Array-Form of Integer | Java | Easy |
| 990 | Satisfiability of Equality Equations | Java | Medium |
| 991 | Broken Calculator | Java | Medium |
| 993 | Cousins in Binary Tree | Java | Easy |
| 994 | Rotting Oranges | Java | Easy |
| 997 | Find the Town Judge | Java | Easy |
| 998 | Maximum Binary Tree II | Go, Java | Medium |
| 999 | Available Captures for Rook | Java | Easy |
| 1002 | Find Common Characters | Java | Easy |
| 1003 | Check If Word Is Valid After Substitutions | Go, Java | Medium |
| 1004 | Max Consecutive Ones III | Java | Medium |
| 1005 | Maximize Sum Of Array After K Negations | Java | Easy |
| 1007 | Minimum Domino Rotations For Equal Row | Java | Medium |
| 1008 | Construct Binary Search Tree from Preorder Traversal | Java | Medium |
| 1009 | Complement of Base 10 Integer | Java | Easy |
| 1010 | Pairs of Songs With Total Durations Divisible by 60 | Java | Easy |
| 1011 | Capacity To Ship Packages Within D Days | Java | Medium |
| 1013 | Partition Array Into Three Parts With Equal Sum | Java | Easy |
| 1014 | Best Sightseeing Pair | Java | Medium |
| 1015 | Smallest Integer Divisible by K | Go, Java | Medium |
| 1016 | Binary String With Substrings Representing 1 To N | Java | Medium |
| 1017 | Convert to Base -2 | Java | Medium |
| 1018 | Binary Prefix Divisible By 5 | Java | Easy |
| 1019 | Next Greater Node In Linked List | Java | Medium |
| 1020 | Number of Enclaves | Java | Medium |
| 1021 | Remove Outermost Parentheses | Java | Easy |
| 1022 | Sum of Root To Leaf Binary Numbers | Java | Easy |
| 1023 | Camelcase Matching | Java | Medium |
| 1024 | Video Stitching | Java | Medium |
| 1025 | Divisor Game | Java | Easy |
| 1026 | Maximum Difference Between Node and Ancestor | Java | Medium |
| 1027 | Longest Arithmetic Subsequence | Java | Medium |
| 1029 | Two City Scheduling | Java | Easy |
| 1030 | Matrix Cells in Distance Order | Java | Easy |
| 1031 | Maximum Sum of Two Non-Overlapping Subarrays | Java | Medium |
| 1033 | Moving Stones Until Consecutive | Java | Easy |
| 1034 | Coloring A Border | Go, Java | Medium |
| 1035 | Uncrossed Lines | Java | Medium |
| 1037 | Valid Boomerang | Java | Easy |
| 1038 | Binary Search Tree to Greater Sum Tree | Java | Medium |
| 1039 | Minimum Score Triangulation of Polygon | Go, Java | Medium |
| 1041 | Robot Bounded In Circle | Java | Easy |
| 1042 | Flower Planting With No Adjacent | Java | Easy |
| 1043 | Partition Array for Maximum Sum | Java | Medium |
| 1046 | Last Stone Weight | Java | Easy |
| 1047 | Remove All Adjacent Duplicates In String | Java | Easy |
| 1048 | Longest String Chain | Java | Medium |
| 1049 | Last Stone Weight II | Java | Medium |
| 1051 | Height Checker | Java | Easy |
| 1052 | Grumpy Bookstore Owner | Java | Medium |
| 1053 | Previous Permutation With One Swap | Java | Medium |
| 1054 | Distant Barcodes | Java | Medium |
| 1061 | Lexicographically Smallest Equivalent String | Go, Java | Medium |
| 1071 | Greatest Common Divisor of Strings | Java | Easy |
| 1072 | Flip Columns For Maximum Number of Equal Rows | Java | Medium |
| 1078 | Occurrences After Bigram | Java | Easy |
| 1079 | Letter Tile Possibilities | Java | Medium |
| 1080 | Insufficient Nodes in Root to Leaf Paths | Go, Java | Medium |
| 1081 | Smallest Subsequence of Distinct Characters | Java | Medium |
| 1089 | Duplicate Zeros | Java | Easy |
| 1090 | Largest Values From Labels | Java | Medium |
| 1091 | Shortest Path in Binary Matrix | Go, Java | Medium |
| 1093 | Statistics from a Large Sample | Go, Java | Medium |
| 1094 | Car Pooling | Java | Medium |
| 1103 | Distribute Candies to People | Java | Easy |
| 1104 | Path In Zigzag Labelled Binary Tree | Java | Easy |
| 1105 | Filling Bookcase Shelves | Java | Medium |
| 1108 | Defanging an IP Address | Java, Python | Easy |
| 1109 | Corporate Flight Bookings | Java | Medium |
| 1110 | Delete Nodes And Return Forest | Java | Medium |
| 1111 | Maximum Nesting Depth of Two Valid Parentheses Strings | Java | Medium |
| 1122 | Relative Sort Array | Java | Easy |
| 1123 | Lowest Common Ancestor of Deepest Leaves | Java | Medium |
| 1124 | Longest Well-Performing Interval | Go, Java | Medium |
| 1128 | Number of Equivalent Domino Pairs | Java | Easy |
| 1129 | Shortest Path with Alternating Colors | Go, Java | Medium |
| 1130 | Minimum Cost Tree From Leaf Values | Java | Medium |
| 1131 | Maximum of Absolute Value Expression | Java | Medium |
| 1137 | N-th Tribonacci Number | Java | Easy |
| 1138 | Alphabet Board Path | Java | Medium |
| 1139 | Largest 1-Bordered Square | Java | Medium |
| 1140 | Stone Game II | Java | Medium |
| 1143 | Longest Common Subsequence | Java | Medium |
| 1144 | Decrease Elements To Make Array Zigzag | Java | Medium |
| 1145 | Binary Tree Coloring Game | Java | Medium |
| 1146 | Snapshot Array | Java | Medium |
| 1154 | Day of the Year | Java | Easy |
| 1155 | Number of Dice Rolls With Target Sum | Java | Medium |
| 1156 | Swap For Longest Repeated Character Substring | Java | Medium |
| 1160 | Find Words That Can Be Formed by Characters | Java | Easy |
| 1161 | Maximum Level Sum of a Binary Tree | Java | Medium |
| 1162 | As Far from Land as Possible | Go, Java | Medium |
| 1170 | Compare Strings by Frequency of the Smallest Character | Java | Easy |
| 1171 | Remove Zero Sum Consecutive Nodes from Linked List | Java | Medium |
| 1177 | Can Make Palindrome from Substring | Go, Java | Medium |
| 1184 | Distance Between Bus Stops | Java | Easy |
| 1185 | Day of the Week | Java | Easy |
| 1186 | Maximum Subarray Sum with One Deletion | Java | Medium |
| 1189 | Maximum Number of Balloons | Java | Easy |
| 1190 | Reverse Substrings Between Each Pair of Parentheses | Java | Medium |
| 1191 | K-Concatenation Maximum Sum | Go, Java | Medium |
| 1200 | Minimum Absolute Difference | Java | Easy |
| 1201 | Ugly Number III | Go, Java | Medium |
| 1202 | Smallest String With Swaps | Java | Medium |
| 1207 | Unique Number of Occurrences | Java | Easy |
| 1208 | Get Equal Substrings Within Budget | Java | Medium |
| 1209 | Remove All Adjacent Duplicates in String II | Java | Medium |
| 1217 | Play with Chips | Java | Easy |
| 1218 | Longest Arithmetic Subsequence of Given Difference | Java | Medium |
| 1219 | Path with Maximum Gold | Java | Medium |
| 1221 | Split a String in Balanced Strings | Java, Python | Easy |
| 1222 | Queens That Can Attack the King | Java | Medium |
| 1232 | Check If It Is a Straight Line | Java | Easy |
| 1233 | Remove Sub-Folders from the Filesystem | Java | Medium |
| 1234 | Replace the Substring for Balanced String | Java | Medium |
| 1239 | Maximum Length of a Concatenated String with Unique Characters | Java | Medium |
| 1247 | Minimum Swaps to Make Strings Equal | Java | Medium |
| 1248 | Count Number of Nice Subarrays | Java | Medium |
| 1249 | Minimum Remove to Make Valid Parentheses | Java | Medium |
| 1253 | Reconstruct a 2-Row Binary Matrix | Java | Medium |
| 1254 | Number of Closed Islands | Java | Medium |
| 1260 | Shift 2D Grid | Java | Easy |
| 1261 | Find Elements in a Contaminated Binary Tree | Java | Medium |
| 1262 | Greatest Sum Divisible by Three | Java | Medium |
| 1266 | Minimum Time Visiting All Points | Java | Easy |
| 1267 | Count Servers that Communicate | Java | Medium |
| 1268 | Search Suggestions System | Java | Medium |
| 1275 | Find Winner on a Tic Tac Toe Game | Java | Easy |
| 1276 | Number of Burgers with No Waste of Ingredients | Java | Medium |
| 1277 | Count Square Submatrices with All Ones | Java | Medium |
| 1281 | Subtract the Product and Sum of Digits of an Integer | Java | Easy |
| 1282 | Group the People Given the Group Size They Belong To | Java | Medium |
| 1283 | Find the Smallest Divisor Given a Threshold | Java | Medium |
| 1286 | Iterator for Combination | Java | Medium |
| 1287 | Element Appearing More Than 25% In Sorted Array | Java | Easy |
| 1288 | Remove Covered Intervals | Java | Medium |
| 1290 | Convert Binary Number in a Linked List to Integer | Java | Easy |
| 1291 | Sequential Digits | Java | Medium |
| 1292 | Maximum Side Length of a Square with Sum Less than or Equal to Threshold | Java | Medium |
| 1295 | Find Numbers with Even Number of Digits | Java | Easy |
| 1296 | Divide Array in Sets of K Consecutive Numbers | Java | Medium |
| 1297 | Maximum Number of Occurrences of a Substring | Java | Medium |
| 1299 | Replace Elements with Greatest Element on Right Side | Java | Easy |
| 1300 | Sum of Mutated Array Closest to Target | Java | Medium |
| 1302 | Deepest Leaves Sum | Java | Medium |
| 1304 | Find N Unique Integers Sum up to Zero | Java | Easy |
| 1305 | All Elements in Two Binary Search Trees | Java | Medium |
| 1306 | Jump Game III | Java | Medium |
| 1309 | Decrypt String from Alphabet to Integer Mapping | Java | Easy |
| 1310 | XOR Queries of a Subarray | Java | Medium |
| 1311 | Get Watched Videos by Your Friends | Go, Java | Medium |
| 1313 | Decompress Run-Length Encoded List | Java | Easy |
| 1314 | Matrix Block Sum | Java | Medium |
| 1315 | Sum of Nodes with Even-Valued Grandparent | Java | Medium |
| 1317 | Convert Integer to the Sum of Two No-Zero Integers | Java | Easy |
| 1318 | Minimum Flips to Make a OR b Equal to c | Java | Medium |
| 1319 | Number of Operations to Make Network Connected | Java | Medium |
| 1323 | Maximum 69 Number | Java | Easy |
| 1324 | Print Words Vertically | Java | Medium |
| 1325 | Delete Leaves With a Given Value | Java | Medium |
| 1328 | Break a Palindrome | Java | Medium |
| 1329 | Sort the Matrix Diagonally | Java | Medium |
| 1331 | Rank Transform of an Array | Java | Easy |
| 1332 | Remove Palindromic Subsequences | Java | Easy |
| 1333 | Filter Restaurants by Vegan-Friendly, Price and Distance | Java | Medium |
| 1334 | Find the City With the Smallest Number of Neighbors at a Threshold Distance | Java | Medium |
| 1337 | The K Weakest Rows in a Matrix | Java | Easy |
| 1338 | Reduce Array Size to The Half | Java | Medium |
| 1339 | Maximum Product of Splitted Binary Tree | Java | Medium |
| 1342 | Number of Steps to Reduce a Number to Zero | Java | Easy |
| 1343 | Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold | Java | Medium |
| 1344 | Angle Between Hands of a Clock | Java | Medium |
| 1346 | Check If N and Its Double Exist | Java | Easy |
| 1347 | Minimum Number of Steps to Make Two Strings Anagram | Java | Medium |
| 1348 | Tweet Counts Per Frequency | Java | Medium |
| 1351 | Count Negative Numbers in a Sorted Matrix | Java | Easy |
| 1352 | Product of the Last K Numbers | Java | Medium |
| 1353 | Maximum Number of Events That Can Be Attended | Go, Java | Medium |
| 1356 | Sort Integers by The Number of 1 Bits | Java | Easy |
| 1357 | Apply Discount Every n Orders | Go, Java | Medium |
| 1358 | Number of Substrings Containing All Three Characters | Java | Medium |
| 1360 | Number of Days Between Two Dates | Java | Easy |
| 1361 | Validate Binary Tree Nodes | Go, Java | Medium |
| 1362 | Closest Divisors | Java | Medium |
| 1365 | How Many Numbers Are Smaller Than the Current Number | Java | Easy |
| 1366 | Rank Teams by Votes | Java | Medium |
| 1367 | Linked List in Binary Tree | Java | Medium |
| 1370 | Increasing Decreasing String | Java | Easy |
| 1371 | Find the Longest Substring Containing Vowels in Even Counts | Java | Medium |
| 1372 | Longest ZigZag Path in a Binary Tree | Java | Medium |
| 1374 | Generate a String With Characters That Have Odd Counts | Java | Easy |
| 1375 | Bulb Switcher III | Java | Medium |
| 1376 | Time Needed to Inform All Employees | Java | Medium |
| 1379 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | Java | Medium |
| 1380 | Lucky Numbers in a Matrix | Java | Easy |
| 1381 | Design a Stack With Increment Operation | Java | Medium |
| 1382 | Balance a Binary Search Tree | Java | Medium |
| 1385 | Find the Distance Value Between Two Arrays | Java | Easy |
| 1386 | Cinema Seat Allocation | Java | Medium |
| 1387 | Sort Integers by The Power Value | Java | Medium |
| 1389 | Create Target Array in the Given Order | Java | Easy |
| 1390 | Four Divisors | Go, Java | Medium |
| 1391 | Check if There is a Valid Path in a Grid | Java | Medium |
| 1394 | Find Lucky Integer in an Array | Java | Easy |
| 1395 | Count Number of Teams | Java | Medium |
| 1396 | Design Underground System | Java | Medium |
| 1399 | Count Largest Group | Java | Easy |
| 1400 | Construct K Palindrome Strings | Java | Medium |
| 1401 | Circle and Rectangle Overlapping | Java | Medium |
| 1403 | Minimum Subsequence in Non-Increasing Order | Java | Easy |
| 1404 | Number of Steps to Reduce a Number in Binary Representation to One | Java | Medium |
| 1405 | Longest Happy String | Java | Medium |
| 1408 | String Matching in an Array | Java | Easy |
| 1409 | Queries on a Permutation With Key | Java | Medium |
| 1410 | HTML Entity Parser | Go, Java | Medium |
| 1413 | Minimum Value to Get Positive Step by Step Sum | Java | Easy |
| 1414 | Find the Minimum Number of Fibonacci Numbers Whose Sum Is K | Java | Medium |
| 1415 | The k-th Lexicographical String of All Happy Strings of Length n | Java | Medium |
| 1417 | Reformat The String | Java | Easy |
| 1418 | Display Table of Food Orders in a Restaurant | Go, Java | Medium |
| 1419 | Minimum Number of Frogs Croaking | Java | Medium |
| 1422 | Maximum Score After Splitting a String | Java | Easy |
| 1423 | Maximum Points You Can Obtain from Cards | Java | Medium |
| 1424 | Diagonal Traverse II | Java | Medium |
| 1431 | Kids With the Greatest Number of Candies | Java | Easy |
| 1432 | Max Difference You Can Get From Changing an Integer | Go, Java | Medium |
| 1433 | Check If a String Can Break Another String | Java | Medium |
| 1436 | Destination City | Java | Easy |
| 1437 | Check If All 1's Are at Least Length K Places Away | Java | Medium |
| 1438 | Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Java | Medium |
| 1441 | Build an Array With Stack Operations | Java | Easy |
| 1442 | Count Triplets That Can Form Two Arrays of Equal XOR | Java | Medium |
| 1443 | Minimum Time to Collect All Apples in a Tree | Java | Medium |
| 1446 | Consecutive Characters | Java | Easy |
| 1447 | Simplified Fractions | Java | Medium |
| 1448 | Count Good Nodes in Binary Tree | Java | Medium |
| 1450 | Number of Students Doing Homework at a Given Time | Java | Easy |
| 1451 | Rearrange Words in a Sentence | Java | Medium |
| 1452 | People Whose List of Favorite Companies Is Not a Subset of Another List | Java | Medium |
| 1455 | Check If a Word Occurs As a Prefix of Any Word in a Sentence | Java | Easy |
| 1456 | Maximum Number of Vowels in a Substring of Given Length | Java | Medium |
| 1457 | Pseudo-Palindromic Paths in a Binary Tree | Java | Medium |
| 1460 | Make Two Arrays Equal by Reversing Sub-arrays | Java | Easy |
| 1461 | Check If a String Contains All Binary Codes of Size K | Java | Medium |
| 1464 | Maximum Product of Two Elements in an Array | Java | Easy |
| 1466 | Reorder Routes to Make All Paths Lead to the City Zero | Java | Medium |
| 1470 | Shuffle the Array | Java | Easy |
| 1471 | The k Strongest Values in an Array | Java | Medium |
| 1472 | Design Browser History | Java | Medium |
| 1475 | Final Prices With a Special Discount in a Shop | Java | Easy |
| 1476 | Subrectangle Queries | Go, Java | Medium |
| 1477 | Find Two Non-overlapping Sub-arrays Each With Target Sum | Java | Medium |
| 1480 | Running Sum of 1d Array | Java | Easy |
| 1481 | Least Number of Unique Integers after K Removals | Java | Medium |
| 1482 | Minimum Number of Days to Make m Bouquets | Java | Medium |
| 1486 | XOR Operation in an Array | Java | Easy |
| 1487 | Making File Names Unique | Go, Java | Medium |
| 1488 | Avoid Flood in The City | Java | Medium |
| 1491 | Average Salary Excluding the Minimum and Maximum Salary | Java | Easy |
| 1492 | The kth Factor of n | Java | Medium |
| 1493 | Longest Subarray of 1's After Deleting One Element | Java | Medium |
| 1496 | Path Crossing | Java | Easy |
| 1497 | Check If Array Pairs Are Divisible by k | Java | Medium |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | Java | Medium |
| 1502 | Can Make Arithmetic Progression From Sequence | Java | Easy |
| 1504 | Count Submatrices With All Ones | Java | Medium |
| 1507 | Reformat Date | Java | Easy |
| 1509 | Minimum Difference Between Largest and Smallest Value in Three Moves | Java | Medium |
| 1512 | Number of Good Pairs | Java | Easy |
| 1513 | Number of Substrings With Only 1s | Java | Medium |
| 1514 | Path with Maximum Probability | Java | Medium |
| 1518 | Water Bottles | Java | Easy |
| 1519 | Number of Nodes in the Sub-Tree With the Same Label | Go, Java | Medium |
| 1523 | Count Odd Numbers in an Interval Range | Java | Easy |
| 1524 | Number of Sub-arrays With Odd Sum | Java | Medium |
| 1525 | Number of Good Ways to Split a String | Java | Medium |
| 1528 | Shuffle String | Go | Easy |
| 1529 | Bulb Switcher IV | Java | Medium |
| 1530 | Number of Good Leaf Nodes Pairs | Java | Medium |
| 1535 | Find the Winner of an Array Game | Java | Medium |
| 1536 | Minimum Swaps to Arrange a Binary Grid | Java | Medium |
| 1540 | Can Convert String in K Moves | Go, Java | Medium |
| 1541 | Minimum Insertions to Balance a Parentheses String | Java | Medium |
| 1545 | Find Kth Bit in Nth Binary String | Java | Medium |
| 1546 | Maximum Number of Non-Overlapping Subarrays With Sum Equals Target | Java | Medium |
| 1551 | Minimum Operations to Make Array Equal | Java | Medium |
| 1552 | Magnetic Force Between Two Balls | Java | Medium |
| 1557 | Minimum Number of Vertices to Reach All Nodes | Java | Medium |
| 1558 | Minimum Numbers of Function Calls to Make Target Array | Java | Medium |
| 1559 | Detect Cycles in 2D Grid | Java | Medium |
| 1561 | Maximum Number of Coins You Can Get | Java | Medium |
| 1562 | Find Latest Group of Size M | Go, Java | Medium |
| 1567 | Maximum Length of Subarray With Positive Product | Java | Medium |
| 1573 | Number of Ways to Split a String | Go, Java | Medium |
| 1574 | Shortest Subarray to be Removed to Make Array Sorted | Java | Medium |
| 1577 | Number of Ways Where Square of Number Is Equal to Product of Two Numbers | Java | Medium |
| 1578 | Minimum Deletion Cost to Avoid Repeating Letters | Java | Medium |
| 1583 | Count Unhappy Friends | Go, Java | Medium |
| 1589 | Maximum Sum Obtained of Any Permutation | Java | Medium |
| 1590 | Make Sum Divisible by P | Go, Java | Medium |
| 1593 | Split a String Into the Max Number of Unique Substrings | Java | Medium |
| 1594 | Maximum Non Negative Product in a Matrix | Go, Java | Medium |
| 1600 | Throne Inheritance | Go, Java | Medium |
| 1603 | Design Parking System | Go | Easy |
| 1604 | Alert Using Same Key-Card Three or More Times in a One Hour Period | Go, Java | Medium |
| 1605 | Find Valid Matrix Given Row and Column Sums | Java | Medium |
| 1609 | Even Odd Tree | Java | Medium |
| 1615 | Maximal Network Rank | Go, Java | Medium |
| 1616 | Split Two Strings to Make Palindrome | Java | Medium |
| 1620 | Coordinate With Maximum Network Quality | Go, Java | Medium |
| 1626 | Best Team With No Conflicts | Java | Medium |
| 1630 | Arithmetic Subarrays | Java | Medium |
| 1631 | Path With Minimum Effort | Java | Medium |
| 1637 | Widest Vertical Area Between Two Points Containing No Points | Go, Java | Medium |
| 1641 | Count Sorted Vowel Strings | Java | Medium |
| 1642 | Furthest Building You Can Reach | Go, Java | Medium |
| 1647 | Minimum Deletions to Make Character Frequencies Unique | Java | Medium |
| 1653 | Minimum Deletions to Make String Balanced | Java | Medium |
| 1657 | Determine if Two Strings Are Close | Java | Medium |
| 1658 | Minimum Operations to Reduce X to Zero | Go, Java | Medium |
| 1663 | Smallest String With A Given Numeric Value | Java | Medium |
| 1664 | Ways to Make a Fair Array | Java | Medium |
| 1669 | Merge In Between Linked Lists | Java | Medium |
| 1670 | Design Front Middle Back Queue | Java | Medium |
| 1672 | Richest Customer Wealth | Go | Easy |
| 1673 | Find the Most Competitive Subsequence | Java | Medium |
| 1674 | Minimum Moves to Make Array Complementary | Go, Java | Medium |
| 1678 | Goal Parser Interpretation | Go | Easy |
| 1679 | Max Number of K-Sum Pairs | Java | Medium |
| 1680 | Concatenation of Consecutive Binary Numbers | Java | Medium |
| 1685 | Sum of Absolute Differences in a Sorted Array | Java | Medium |
| 1686 | Stone Game VI | Java | Medium |
| 1689 | Partitioning Into Minimum Number Of Deci-Binary Numbers | Go, Java | Medium |
| 1690 | Stone Game VII | Java | Medium |
| 1695 | Maximum Erasure Value | Java | Medium |
| 1696 | Jump Game VI | Go, Java | Medium |
| 1701 | Average Waiting Time | Java | Medium |
| 1702 | Maximum Binary String After Change | Go, Java | Medium |
| 1705 | Maximum Number of Eaten Apples | Java | Medium |
| 1706 | Where Will the Ball Fall | Go, Java | Medium |
| 1711 | Count Good Meals | Go, Java | Medium |
| 1712 | Ways to Split Array Into Three Subarrays | Go, Java | Medium |
| 1717 | Maximum Score From Removing Substrings | Java | Medium |
| 1718 | Construct the Lexicographically Largest Valid Sequence | Java | Medium |
| 1720 | Decode XORed Array | Go | Easy |
| 1721 | Swapping Nodes in a Linked List | Java | Medium |
| 1726 | Tuple with Same Product | Java | Medium |
| 1727 | Largest Submatrix With Rearrangements | Go, Java | Medium |
| 1733 | Minimum Number of People to Teach | Go, Java | Medium |
| 1734 | Decode XORed Permutation | Java | Medium |
| 1737 | Change Minimum Characters to Satisfy One of Three Conditions | Go, Java | Medium |
| 1738 | Find Kth Largest XOR Coordinate Value | Java | Medium |
| 1743 | Restore the Array From Adjacent Pairs | Java | Medium |
| 1744 | Can You Eat Your Favorite Candy on Your Favorite Day | Go, Java | Medium |
| 1749 | Maximum Absolute Sum of Any Subarray | Java | Medium |
| 1750 | Minimum Length of String After Deleting Similar Ends | Java | Medium |
| 1753 | Maximum Score From Removing Stones | Java | Medium |
| 1754 | Largest Merge Of Two Strings | Java | Medium |
| 1759 | Count Number of Homogenous Substrings | Java | Medium |
| 1760 | Minimum Limit of Balls in a Bag | Java | Medium |
| 1764 | Form Array by Concatenating Subarrays of Another Array | Java | Medium |
| 1765 | Map of Highest Peak | Java | Medium |
| 1769 | Minimum Number of Operations to Move All Balls to Each Box | Java | Medium |
| 1773 | Count Items Matching a Rule | Go | Easy |
| 1774 | Closest Dessert Cost | Java | Medium |
| 1775 | Equal Sum Arrays With Minimum Number of Operations | Java | Medium |
| 1780 | Check if Number is a Sum of Powers of Three | Java | Medium |
| 1781 | Sum of Beauty of All Substrings | Java | Medium |
| 1785 | Minimum Elements to Add to Form a Given Sum | Go, Java | Medium |
| 1792 | Maximum Average Pass Ratio | Java | Medium |
| 1797 | Design Authentication Manager | Java | Medium |
| 1798 | Maximum Number of Consecutive Values You Can Make | Java | Medium |
| 1801 | Number of Orders in the Backlog | Java | Medium |
| 1802 | Maximum Value at a Given Index in a Bounded Array | Go, Java | Medium |
| 1806 | Minimum Number of Operations to Reinitialize a Permutation | Go, Java | Medium |
| 1807 | Evaluate the Bracket Pairs of a String | Java | Medium |
| 1813 | Sentence Similarity III | Go, Java | Medium |
| 1814 | Count Nice Pairs in an Array | Go, Java | Medium |
| 1817 | Finding the Users Active Minutes | Java | Medium |
| 1818 | Minimum Absolute Sum Difference | Java | Medium |
| 1823 | Find the Winner of the Circular Game | Java | Medium |
| 1824 | Minimum Sideway Jumps | Java | Medium |
| 1828 | Queries on Number of Points Inside a Circle | Go, Java | Medium |
| 1829 | Maximum XOR for Each Query | Go, Java | Medium |
| 1833 | Maximum Ice Cream Bars | Java | Medium |
| 1834 | Single-Threaded CPU | Go, Java | Medium |
| 1838 | Frequency of the Most Frequent Element | Java | Medium |
| 1839 | Longest Substring Of All Vowels in Order | Java | Medium |
| 1845 | Seat Reservation Manager | Go, Java | Medium |
| 1846 | Maximum Element After Decreasing and Rearranging | Java | Medium |
| 1849 | Splitting a String Into Descending Consecutive Values | Go, Java | Medium |
| 1855 | Maximum Distance Between a Pair of Values | Java | Medium |
| 1856 | Maximum Subarray Min-Product | Java | Medium |
| 1859 | Sorting the Sentence | Go | Easy |
| 1860 | Incremental Memory Leak | Java | Medium |
| 1861 | Rotating the Box | Java | Medium |
| 1864 | Minimum Number of Swaps to Make the Binary String Alternating | Go, Java | Medium |
| 1865 | Finding Pairs With a Certain Sum | Java | Medium |
| 1871 | Jump Game VII | Go, Java | Medium |
| 1877 | Minimize Maximum Pair Sum in Array | Java | Medium |
| 1881 | Maximum Value after Insertion | Java | Medium |
| 1882 | Process Tasks Using Servers | Java | Medium |
| 1884 | Egg Drop With 2 Eggs and N Floors | Java | Medium |
| 1887 | Reduction Operations to Make the Array Elements Equal | Java | Medium |
| 1888 | Minimum Number of Flips to Make the Binary String Alternating | Go, Java | Medium |
| 1894 | Find the Student that Will Replace the Chalk | Go, Java | Medium |
| 1898 | Maximum Number of Removable Characters | Go, Java | Medium |
| 1899 | Merge Triplets to Form Target Triplet | Java | Medium |
| 1901 | Find a Peak Element II | Java | Medium |
| 1904 | The Number of Full Rounds You Have Played | Go, Java | Medium |
| 1905 | Count Sub Islands | Go, Java | Medium |
| 1906 | Minimum Absolute Difference Queries | Go, Java | Medium |
| 1910 | Remove All Occurrences of a Substring | Go, Java | Medium |
| 1911 | Maximum Alternating Subsequence Sum | Java | Medium |
| 1915 | Number of Wonderful Substrings | Go, Java | Medium |
| 1920 | Build Array from Permutation | Go | Easy |
| 1921 | Eliminate Maximum Number of Monsters | Go, Java | Medium |
| 1922 | Count Good Numbers | Go, Java | Medium |
| 1926 | Nearest Exit from Entrance in Maze | Go, Java | Medium |
| 1927 | Sum Game | Java | Medium |
| 1929 | Concatenation of Array | Go | Easy |
| 1930 | Unique Length-3 Palindromic Subsequences | Java | Medium |
| 1936 | Add Minimum Number of Rungs | Go, Java | Medium |
| 1937 | Maximum Number of Points with Cost | Java | Medium |
| 1942 | The Number of the Smallest Unoccupied Chair | Go, Java | Medium |
| 1943 | Describe the Painting | Go, Java | Medium |
| 1946 | Largest Number After Mutating Substring | Go, Java | Medium |
| 1953 | Maximum Number of Weeks for Which You Can Work | Go, Java | Medium |
| 1959 | Minimum Total Space Wasted With K Resizing Operations | Java | Medium |
| 1962 | Remove Stones to Minimize the Total | Java | Medium |
| 1963 | Minimum Number of Swaps to Make the String Balanced | Java | Medium |
| 1968 | Array With Elements Not Equal to Average of Neighbors | Java | Medium |
| 1975 | Maximum Matrix Sum | Go, Java | Medium |
| 1976 | Number of Ways to Arrive at Destination | Java | Medium |
| 1980 | Find Unique Binary String | Java | Medium |
| 1981 | Minimize the Difference Between Target and Chosen Elements | Go, Java | Medium |
| 1985 | Find the Kth Largest Integer in the Array | Go, Java | Medium |
| 1986 | Minimum Number of Work Sessions to Finish the Tasks | Java | Medium |
| 1992 | Find All Groups of Farmland | Go, Java | Medium |
| 1993 | Operations on Tree | Go, Java | Medium |
| 1996 | The Number of Weak Characters in the Game | Go, Java | Medium |
| 1997 | First Day Where You Have Been in All the Rooms | Go, Java | Medium |
| 2001 | Number of Pairs of Interchangeable Rectangles | Go, Java | Medium |
| 2002 | Maximum Product of the Length of Two Palindromic Subsequences | Java | Medium |
| 2007 | Find Original Array From Doubled Array | Go, Java | Medium |
| 2008 | Maximum Earnings From Taxi | Go, Java | Medium |
| 2011 | Final Value of Variable After Performing Operations | Go | Easy |
| 2012 | Sum of Beauty in the Array | Java | Medium |
| 2013 | Detect Squares | Go, Java | Medium |
| 2017 | Grid Game | Go, Java | Medium |
| 2018 | Check if Word Can Be Placed In Crossword | Go, Java | Medium |
| 2023 | Number of Pairs of Strings With Concatenation Equal to Target | Go, Java | Medium |
| 2024 | Maximize the Confusion of an Exam | Java | Medium |
| 2028 | Find Missing Observations | Go, Java | Medium |
| 2029 | Stone Game IX | Go, Java | Medium |
| 2033 | Minimum Operations to Make a Uni-Value Grid | Java | Medium |
| 2034 | Stock Price Fluctuation | Java | Medium |
| 2038 | Remove Colored Pieces if Both Neighbors are the Same Color | Java | Medium |
| 2039 | The Time When the Network Becomes Idle | Java | Medium |
| 2043 | Simple Bank System | Go, Java | Medium |
| 2044 | Count Number of Maximum Bitwise-OR Subsets | Go, Java | Medium |
| 2048 | Next Greater Numerically Balanced Number | Go, Java | Medium |
| 2049 | Count Nodes With the Highest Score | Java | Medium |
| 2054 | Two Best Non-Overlapping Events | Java | Medium |
| 2055 | Plates Between Candles | Java | Medium |
| 2058 | Find the Minimum and Maximum Number of Nodes Between Critical Points | Go, Java | Medium |
| 2059 | Minimum Operations to Convert Number | Java | Medium |
| 2063 | Vowels of All Substrings | Go, Java | Medium |
| 2064 | Minimized Maximum of Products Distributed to Any Store | Go, Java | Medium |
| 2069 | Walking Robot Simulation II | Go, Java | Medium |
| 2070 | Most Beautiful Item for Each Query | Java | Medium |
| 2074 | Reverse Nodes in Even Length Groups | Go, Java | Medium |
| 2075 | Decode the Slanted Ciphertext | Java | Medium |
| 2079 | Watering Plants | Go, Java | Medium |
| 2080 | Range Frequency Queries | Go, Java | Medium |
| 2086 | Minimum Number of Buckets Required to Collect Rainwater from Houses | Go, Java | Medium |
| 2087 | Minimum Cost Homecoming of a Robot in a Grid | Java | Medium |
| 2090 | K Radius Subarray Averages | Go, Java | Medium |
| 2091 | Removing Minimum and Maximum From Array | Go, Java | Medium |
| 2095 | Delete the Middle Node of a Linked List | Go, Java | Medium |
| 2096 | Step-By-Step Directions From a Binary Tree Node to Another | Java | Medium |
| 2100 | Find Good Days to Rob the Bank | Java | Medium |
| 2101 | Detonate the Maximum Bombs | Go, Java | Medium |
| 2104 | Sum of Subarray Ranges | Go, Java | Medium |
| 2105 | Watering Plants II | Go, Java | Medium |
| 2109 | Adding Spaces to a String | Go, Java | Medium |
| 2110 | Number of Smooth Descent Periods of a Stock | Go, Java | Medium |
| 2114 | Maximum Number of Words Found in Sentences | Go | Easy |
| 2115 | Find All Possible Recipes from Given Supplies | Go, Java | Medium |
| 2116 | Check if a Parentheses String Can Be Valid | Go, Java | Medium |
| 2120 | Execution of All Suffix Instructions Staying in a Grid | Go, Java | Medium |
| 2121 | Intervals Between Identical Elements | Go, Java | Medium |
| 2125 | Number of Laser Beams in a Bank | Go, Java | Medium |
| 2126 | Destroying Asteroids | Java | Medium |
| 2130 | Maximum Twin Sum of a Linked List | Go, Java | Medium |
| 2131 | Longest Palindrome by Concatenating Two Letter Words | Go, Java | Medium |
| 2134 | Minimum Swaps to Group All 1's Together II | Go, Java | Medium |
| 2135 | Count Words Obtained After Adding a Letter | Go, Java | Medium |
| 2139 | Minimum Moves to Reach Target Score | Java | Medium |
| 2140 | Solving Questions With Brainpower | Go, Java | Medium |
| 2145 | Count the Hidden Sequences | Go, Java | Medium |
| 2146 | K Highest Ranked Items Within a Price Range | Go, Java | Medium |
| 2149 | Rearrange Array Elements by Sign | Go, Java | Medium |
| 2150 | Find All Lonely Numbers in the Array | Go, Java | Medium |
| 2155 | All Divisions With the Highest Score of a Binary Array | Go, Java | Medium |
| 2160 | Minimum Sum of Four Digit Number After Splitting Digits | Go | Easy |
| 2161 | Partition Array According to Given Pivot | Go, Java | Medium |
| 2162 | Minimum Cost to Set Cooking Time | Go, Java | Medium |
| 2165 | Smallest Value of the Rearranged Number | Go, Java | Medium |
| 2166 | Design Bitset | Go, Java | Medium |
| 2170 | Minimum Operations to Make the Array Alternating | Go, Java | Medium |
| 2171 | Removing Minimum Number of Magic Beans | Go, Java | Medium |
| 2177 | Find Three Consecutive Integers That Sum to a Given Number | Go, Java | Medium |
| 2178 | Maximum Split of Positive Even Integers | Go, Java | Medium |
| 2181 | Merge Nodes in Between Zeros | Go, Java | Medium |
| 2182 | Construct String With Repeat Limit | Go, Java | Medium |
| 2186 | Minimum Number of Steps to Make Two Strings Anagram II | Go, Java | Medium |
| 2187 | Minimum Time to Complete Trips | Go, Java | Medium |
| 2191 | Sort the Jumbled Numbers | Go, Java | Medium |
| 2192 | All Ancestors of a Node in a Directed Acyclic Graph | Java | Medium |
| 2194 | Cells in a Range on an Excel Sheet | Go | Easy |
| 2195 | Append K Integers With Minimal Sum | Go, Java | Medium |
| 2196 | Create Binary Tree From Descriptions | Go, Java | Medium |
| 2202 | Maximize the Topmost Element After K Moves | Go, Java | Medium |
| 2207 | Maximize Number of Subsequences in a String | Go, Java | Medium |
| 2208 | Minimum Operations to Halve Array Sum | Go, Java | Medium |
| 2211 | Count Collisions on a Road | Go, Java | Medium |
| 2212 | Maximum Points in an Archery Competition | Go, Java | Medium |
| 2216 | Minimum Deletions to Make Array Beautiful | Go, Java | Medium |
| 2217 | Find Palindrome With Fixed Length | Go, Java | Medium |
| 2221 | Find Triangular Sum of an Array | Go, Java | Medium |
| 2222 | Number of Ways to Select Buildings | Go, Java | Medium |
| 2225 | Find Players With Zero or One Losses | Go, Java | Medium |
| 2226 | Maximum Candies Allocated to K Children | Go, Java | Medium |
| 2232 | Minimize Result by Adding Parentheses to Expression | Go, Java | Medium |
| 2233 | Maximum Product After K Increments | Go, Java | Medium |
| 2235 | Add Two Integers | Go | Easy |
| 2236 | Root Equals Sum of Children | Go | Easy |
| 2240 | Number of Ways to Buy Pens and Pencils | Go, Java | Medium |
| 2241 | Design an ATM Machine | Go, Java | Medium |
| 2244 | Minimum Rounds to Complete All Tasks | Go, Java | Medium |
| 2249 | Count Lattice Points Inside a Circle | Go, Java | Medium |
| 2250 | Count Number of Rectangles Containing Each Point | Go, Java | Medium |
| 2256 | Minimum Average Difference | Go, Java | Medium |
| 2257 | Count Unguarded Cells in the Grid | Go, Java | Medium |
| 2260 | Minimum Consecutive Cards to Pick Up | Go, Java | Medium |
| 2261 | K Divisible Elements Subarrays | Go, Java | Medium |
| 2265 | Count Nodes Equal to Average of Subtree | Go, Java | Medium |
| 2270 | Number of Ways to Split Array | Go, Java | Medium |
| 2271 | Maximum White Tiles Covered by a Carpet | Go, Java | Medium |
| 2274 | Maximum Consecutive Floors Without Special Floors | Go, Java | Medium |
| 2275 | Largest Combination With Bitwise AND Greater Than Zero | Go, Java | Medium |
| 2279 | Maximum Bags With Full Capacity of Rocks | Go, Java | Medium |
| 2280 | Minimum Lines to Represent a Line Chart | Go, Java | Medium |
| 2284 | Sender With Largest Word Count | Go, Java | Medium |
| 2285 | Maximum Total Importance of Roads | Go, Java | Medium |
| 2288 | Apply Discount to Prices | Go, Java | Medium |
| 2289 | Steps to Make Array Non-decreasing | Java | Medium |
| 2294 | Partition Array Such That Maximum Difference Is K | Go, Java | Medium |
| 2295 | Replace Elements in an Array | Go, Java | Medium |
| 2300 | Successful Pairs of Spells and Potions | Go, Java | Medium |
| 2304 | Minimum Path Cost in a Grid | Go, Java | Medium |
| 2305 | Fair Distribution of Cookies | Go, Java | Medium |
| 2310 | Sum of Numbers With Units Digit K | Go, Java | Medium |
| 2311 | Longest Binary Subsequence Less Than or Equal to K | Go, Java | Medium |
| 2316 | Count Unreachable Pairs of Nodes in an Undirected Graph | Go, Java | Medium |
| 2317 | Maximum XOR After Operations | Go, Java | Medium |
| 2326 | Spiral Matrix IV | Go, Java | Medium |
| 2332 | The Latest Time to Catch a Bus | Go, Java | Medium |
| 2333 | Minimum Sum of Squared Difference | Java | Medium |
| 2336 | Smallest Number in Infinite Set | Java | Medium |
| 2337 | Move Pieces to Obtain a String | Go, Java | Medium |
| 2342 | Max Sum of a Pair With Equal Sum of Digits | Go, Java | Medium |
| 2343 | Query Kth Smallest Trimmed Number | Go, Java | Medium |
| 2348 | Number of Zero-Filled Subarrays | Go, Java | Medium |
| 2349 | Design a Number Container System | Go, Java | Medium |
| 2352 | Equal Row and Column Pairs | Go, Java | Medium |
| 2353 | Design a Food Rating System | Go, Java | Medium |
| 2358 | Maximum Number of Groups Entering a Competition | Go, Java | Medium |
| 2359 | Find Closest Node to Given Two Nodes | Go, Java | Medium |
| 2364 | Count Number of Bad Pairs | Go, Java | Medium |
| 2365 | Task Scheduler II | Go, Java | Medium |
| 2368 | Reachable Nodes With Restrictions | Go, Java | Medium |
| 2369 | Check if There is a Valid Partition For The Array | Go, Java | Medium |
| 2370 | Longest Ideal Subsequence | Go, Java | Medium |
| 2374 | Node With Highest Edge Score | Go, Java | Medium |
| 2375 | Construct Smallest Number From DI String | Go, Java | Medium |
| 2380 | Time Needed to Rearrange a Binary String | Go, Java | Medium |
| 2381 | Shifting Letters II | Go, Java | Medium |
| 2384 | Largest Palindromic Number | Go, Java | Medium |
| 2385 | Amount of Time for Binary Tree to Be Infected | Go, Java | Medium |
| 2390 | Removing Stars From a String | Go, Java | Medium |
| 2391 | Minimum Amount of Time to Collect Garbage | Go, Java | Medium |
| 2396 | Strictly Palindromic Number | Go, Java | Medium |
| 2400 | Number of Ways to Reach a Position After Exactly k Steps | Go, Java | Medium |
| 2401 | Longest Nice Subarray | Go, Java | Medium |
| 2405 | Optimal Partition of String | Go, Java | Medium |
| 2406 | Divide Intervals Into Minimum Number of Groups | Go, Java | Medium |
| 2410 | Maximum Matching of Players With Trainers | Go, Java | Medium |
| 2411 | Smallest Subarrays With Maximum Bitwise OR | Go, Java | Medium |
| 2414 | Length of the Longest Alphabetical Continuous Substring | Go, Java | Medium |
| 2415 | Reverse Odd Levels of Binary Tree | Go, Java | Medium |
| 2419 | Longest Subarray With Maximum Bitwise AND | Go, Java | Medium |
| 2420 | Find All Good Indices | Go, Java | Medium |
| 2424 | Longest Uploaded Prefix | Go, Java | Medium |
| 2425 | Bitwise XOR of All Pairings | Go, Java | Medium |
| 2428 | Maximum Sum of an Hourglass | Go, Java | Medium |
| 2429 | Minimize XOR | Go, Java | Medium |
| 2433 | Find The Original Array of Prefix Xor | Go, Java | Medium |
| 2434 | Using a Robot to Print the Lexicographically Smallest String | Go, Java | Medium |
| 2439 | Minimize Maximum of Array | Go, Java | Medium |
| 2442 | Count Number of Distinct Integers After Reverse Operations | Go, Java | Medium |
| 2443 | Sum of Number and Its Reverse | Go, Java | Medium |
| 2452 | Words Within Two Edits of Dictionary | Go, Java | Medium |
| 2453 | Destroy Sequential Targets | Go, Java | Medium |
| 2456 | Most Popular Video Creator | Go, Java | Medium |
| 2457 | Minimum Addition to Make Integer Beautiful | Go, Java | Medium |
| 2461 | Maximum Sum of Distinct Subarrays With Length K | Go, Java | Medium |
| 2462 | Total Cost to Hire K Workers | Go, Java | Medium |
| 2466 | Count Ways To Build Good Strings | Go, Java | Medium |
| 2471 | Minimum Number of Operations to Sort a Binary Tree by Level | Go, Java | Medium |
| 2476 | Closest Nodes Queries in a Binary Search Tree | Go, Java | Medium |
| 2477 | Minimum Fuel Cost to Report to the Capital | Go, Java | Medium |
| 2482 | Difference Between Ones and Zeros in Row and Column | Go, Java | Medium |
| 2483 | Minimum Penalty for a Shop | Go, Java | Medium |
| 2486 | Append Characters to String to Make Subsequence | Go, Java | Medium |
| 2487 | Remove Nodes From Linked List | Go, Java | Medium |
| 2491 | Divide Players Into Teams of Equal Skill | Go, Java | Medium |
| 2492 | Minimum Score of a Path Between Two Cities | Java | Medium |
| 2497 | Maximum Star Sum of a Graph | Go, Java | Medium |
| 2498 | Frog Jump II | Go, Java | Medium |
| 2502 | Design Memory Allocator | Go, Java | Medium |
| 2507 | Smallest Value After Replacing With Sum of Prime Factors | Go, Java | Medium |
| 2512 | Reward Top K Students | Go, Java | Medium |
| 2517 | Maximum Tastiness of Candy Basket | Go, Java | Medium |
| 2521 | Distinct Prime Factors of Product of Array | Go, Java | Medium |
| 2522 | Partition String Into Substrings With Values at Most K | Go, Java | Medium |
| 2526 | Find Consecutive Integers from a Data Stream | Go, Java | Medium |
| 2527 | Find Xor-Beauty of Array | Go, Java | Medium |
| 2530 | Maximal Score After Applying K Operations | Go, Java | Medium |
| 2531 | Make Number of Distinct Characters Equal | Go, Java | Medium |
| 2537 | Count the Number of Good Subarrays | Go, Java | Medium |
| 2541 | Minimum Operations to Make Array Equal II | Go, Java | Medium |
| 2542 | Maximum Subsequence Score | Go, Java | Medium |
| 2545 | Sort the Students by Their Kth Score | Go, Java | Medium |
| 2546 | Apply Bitwise Operations to Make Strings Equal | Go, Java | Medium |
| 2550 | Count Collisions of Monkeys on a Polygon | Go, Java | Medium |
| 2554 | Maximum Number of Integers to Choose From a Range I | Go, Java | Medium |
| 2555 | Maximize Win From Two Segments | Go, Java | Medium |
| 2556 | Disconnect Path in a Binary Matrix by at Most One Flip | Go, Java | Medium |
| 2559 | Count Vowel Strings in Ranges | Go, Java | Medium |
| 2560 | House Robber IV | Go, Java | Medium |
| 2563 | Count the Number of Fair Pairs | Go, Java | Medium |
| 2567 | Minimum Score by Changing Two Elements | Go, Java | Medium |
| 2568 | Minimum Impossible OR | Go, Java | Medium |
| 2571 | Minimum Operations to Reduce an Integer to 0 | Go, Java | Medium |
| 2575 | Find the Divisibility Array of a String | Go, Java | Medium |
| 2576 | Find the Maximum Number of Marked Indices | Go, Java | Medium |
| 2579 | Count Total Number of Colored Cells | Go, Java | Medium |
| 2580 | Count Ways to Group Overlapping Ranges | Go, Java | Medium |
| 2583 | Kth Largest Sum in a Binary Tree | Go, Java | Medium |
| 2587 | Rearrange Array to Maximize Prefix Score | Go, Java | Medium |
| 2588 | Count the Number of Beautiful Subarrays | Go, Java | Medium |
| 2592 | Maximize Greatness of an Array | Go, Java | Medium |
| 2593 | Find Score of an Array After Marking All Elements | Go, Java | Medium |
| 2594 | Minimum Time to Repair Cars | Go, Java | Medium |
| 2596 | Check Knight Tour Configuration | Go, Java | Medium |
| 2597 | The Number of Beautiful Subsets | Go, Java | Medium |
| 2598 | Smallest Missing Non-negative Integer After Operations | Go, Java | Medium |
| 2602 | Minimum Operations to Make All Array Elements Equal | Go, Java | Medium |
| 2606 | Find the Substring With Maximum Cost | Go, Java | Medium |
| 2607 | Make K-Subarray Sums Equal | Go, Java | Medium |
| 2610 | Convert an Array Into a 2D Array With Conditions | Go, Java | Medium |
| 2611 | Mice and Cheese | Go, Java | Medium |
| 2615 | Sum of Distances | Go, Java | Medium |
| 2616 | Minimize the Maximum Difference of Pairs | Go, Java | Medium |
| 2640 | Find the Score of All Prefixes of an Array | Go, Java | Medium |
| 2641 | Cousins in Binary Tree II | Go, Java | Medium |
| 2645 | Minimum Additions to Make Valid String | Go, Java | Medium |
| 2653 | Sliding Subarray Beauty | Go, Java | Medium |
| 2654 | Minimum Number of Operations to Make All Array Elements Equal to 1 | Go, Java | Medium |
| 2657 | Find the Prefix Common Array of Two Arrays | Go, Java | Medium |
| 2658 | Maximum Number of Fish in a Grid | Go, Java | Medium |
| 2661 | First Completely Painted Row or Column | Go, Java | Medium |
| 2662 | Minimum Cost of a Path With Special Roads | Go, Java | Medium |
| 2671 | Frequency Tracker | Go, Java | Medium |
| 2672 | Number of Adjacent Elements With the Same Color | Go, Java | Medium |
| 2673 | Make Costs of Paths Equal in a Binary Tree | Go, Java | Medium |
| 2679 | Sum in a Matrix | Go, Java | Medium |
| 2680 | Maximum OR | Go, Java | Medium |
| 2683 | Neighboring Bitwise XOR | Go, Java | Medium |
| 2684 | Maximum Number of Moves in a Grid | Go, Java | Medium |
| 2685 | Count the Number of Complete Components | Go, Java | Medium |
| 2698 | Find the Punishment Number of an Integer | Go, Java | Medium |
| 2707 | Extra Characters in a String | Go, Java | Medium |
| 2708 | Maximum Strength of a Group | Go, Java | Medium |
| 2711 | Difference of Number of Distinct Values on Diagonals | Go, Java | Medium |
| 2712 | Minimum Cost to Make All Characters Equal | Go, Java | Medium |
| 2718 | Sum of Matrix After Queries | Go, Java | Medium |
| 2731 | Movement of Robots | Go, Java | Medium |
| 2734 | Lexicographically Smallest String After Substring Operation | Go, Java | Medium |
| 2740 | Find the Value of the Partition | Go, Java | Medium |
| 2745 | Construct the Longest New String | Go, Java | Medium |
| 2747 | Count Zero Request Servers | Go, Java | Medium |
| 2749 | Minimum Operations to Make the Integer Zero | Go, Java | Medium |
| 2750 | Ways to Split Array Into Good Subarrays | Go, Java | Medium |
| 2761 | Prime Pairs With Target Sum | Go, Java | Medium |
| 2762 | Continuous Subarrays | Go, Java | Medium |
| 2766 | Relocate Marbles | Go, Java | Medium |
| 2768 | Number of Black Blocks | Go, Java | Medium |
| 2772 | Apply Operations to Make All Array Elements Equal to Zero | Go, Java | Medium |
| 2779 | Maximum Beauty of an Array After Applying Operation | Go, Java | Medium |
| 2780 | Minimum Index of a Valid Split | Go, Java | Medium |
| 2785 | Sort Vowels in a String | Go, Java | Medium |
| 2786 | Visit Array Positions to Maximize Score | Go, Java | Medium |
| 2787 | Ways to Express an Integer as Sum of Powers | Go, Java | Medium |
| 2789 | Largest Element in an Array after Merge Operations | Go, Java | Medium |
| 2799 | Count Complete Subarrays in an Array | Go, Java | Medium |
| 2807 | Insert Greatest Common Divisors in Linked List | Go, Java | Medium |
| 2808 | Minimum Seconds to Equalize a Circular Array | Go, Java | Medium |
| 2811 | Check if it is Possible to Split Array | Go, Java | Medium |
| 2816 | Double a Number Represented as a Linked List | Java | Medium |
| 2817 | Minimum Absolute Difference Between Elements With Constraint | Go, Java | Medium |
| 2825 | Make String a Subsequence Using Cyclic Increments | Go, Java | Medium |
| 2826 | Sorting Three Groups | Go, Java | Medium |
| 2829 | Determine the Minimum Sum of a k-avoiding Array | Go, Java | Medium |
| 2830 | Maximize the Profit as the Salesman | Go, Java | Medium |
| 2831 | Find the Longest Equal Subarray | Go, Java | Medium |
| 2834 | Find the Minimum Possible Sum of a Beautiful Array | Go, Java | Medium |
| 2840 | Check if Strings Can be Made Equal With Operations II | Go, Java | Medium |
| 2841 | Maximum Sum of Almost Unique Subarray | Go, Java | Medium |
| 2844 | Minimum Operations to Make a Special Number | Go, Java | Medium |
| 2845 | Count of Interesting Subarrays | Go, Java | Medium |
| 2849 | Determine if a Cell Is Reachable at a Given Time | Go, Java | Medium |
| 2850 | Minimum Moves to Spread Stones Over Grid | Go, Java | Medium |
| 2856 | Minimum Array Length After Pair Removals | Go, Java | Medium |
| 2857 | Count Pairs of Points With Distance k | Go, Java | Medium |
| 2860 | Happy Students | Go, Java | Medium |
| 2861 | Maximum Number of Alloys | Go, Java | Medium |
| 2870 | Minimum Number of Operations to Make Array Empty | Go, Java | Medium |
| 2871 | Split Array Into Maximum Number of Subarrays | Go, Java | Medium |
| 2874 | Maximum Value of an Ordered Triplet II | Go, Java | Medium |
| 2875 | Minimum Size Subarray in Infinite Array | Go, Java | Medium |
| 2895 | Minimum Processing Time | Go, Java | Medium |
| 2900 | Longest Unequal Adjacent Groups Subsequence I | Go, Java | Medium |
| 2904 | Shortest and Lexicographically Smallest Beautiful String | Go, Java | Medium |
| 2905 | Find Indices With Index and Value Difference II | Go, Java | Medium |
| 2906 | Construct Product Matrix | Go, Java | Medium |
| 2909 | Minimum Sum of Mountain Triplets II | Go, Java | Medium |
| 2910 | Minimum Number of Groups to Create a Valid Assignment | Go, Java | Medium |
| 2914 | Minimum Number of Changes to Make Binary String Beautiful | Go, Java | Medium |
| 2915 | Length of the Longest Subsequence That Sums to Target | Go, Java | Medium |
| 2918 | Minimum Equal Sum of Two Arrays After Replacing Zeros | Go, Java | Medium |
| 2924 | Find Champion II | Go, Java | Medium |
| 2925 | Maximum Score After Applying Operations on a Tree | Go, Java | Medium |
| 2929 | Distribute Candies Among Children II | Go, Java | Medium |
| 2930 | Number of Strings Which Can Be Rearranged to Contain Substring | Go, Java | Medium |
| 2933 | High-Access Employees | Go, Java | Medium |
| 2934 | Minimum Operations to Maximize Last Elements in Arrays | Go, Java | Medium |
| 2938 | Separate Black and White Balls | Go, Java | Medium |
| 2944 | Minimum Number of Coins for Fruits | Go, Java | Medium |
| 2948 | Make Lexicographically Smallest Array by Swapping Elements | Go, Java | Medium |
| 2952 | Minimum Number of Coins to be Added | Go, Java | Medium |
| 2957 | Remove Adjacent Almost-Equal Characters | Go, Java | Medium |
| 2958 | Length of Longest Subarray With at Most K Frequency | Go, Java | Medium |
| 2961 | Double Modular Exponentiation | Go, Java | Medium |
| 2962 | Count Subarrays Where Max Element Appears at Least K Times | Go, Java | Medium |
| 2966 | Divide Array Into Arrays With Max Difference | Go, Java | Medium |
| 2971 | Find Polygon With the Largest Perimeter | Go, Java | Medium |
| 2975 | Maximum Square Area by Removing Fences From a Field | Go, Java | Medium |
| 2981 | Find Longest Special Substring That Occurs Thrice I | Go, Java | Medium |
| 2982 | Find Longest Special Substring That Occurs Thrice II | Go, Java | Medium |
| 2998 | Minimum Number of Operations to Make X and Y Equal | Go, Java | Medium |
| 3001 | Minimum Moves to Capture The Queen | Go, Java | Medium |
| 3002 | Maximum Size of a Set After Removals | Go, Java | Medium |
| 3011 | Find if Array Can Be Sorted | Go, Java | Medium |
| 3012 | Minimize Length of Array Using Operations | Go, Java | Medium |
| 3016 | Minimum Number of Pushes to Type Word II | Go, Java | Medium |
| 3020 | Find the Maximum Number of Elements in Subset | Go, Java | Medium |
| 3021 | Alice and Bob Playing Flower Game | Go, Java | Medium |
| 3025 | Find the Number of Ways to Place People I | Go, Java | Medium |
| 3026 | Maximum Good Subarray Sum | Go, Java | Medium |
| 3027 | Find the Number of Ways to Place People II | Go, Java | Hard |
| 3029 | Minimum Time to Revert Word to Initial State I | Go, Java | Medium |
| 3030 | Find the Grid of Region Average | Go, Java | Medium |
| 3031 | Minimum Time to Revert Word to Initial State II | Go, Java | Hard |
| 3035 | Maximum Palindromes After Operations | Go, Java | Medium |
| 3039 | Apply Operations to Make String Empty | Go, Java | Medium |
| 3043 | Find the Length of the Longest Common Prefix | Go, Java | Medium |
| 3044 | Most Frequent Prime | Go, Java | Medium |
| 3047 | Find the Largest Area of Square Inside Two Rectangles | Go, Java | Medium |
| 3067 | Count Pairs of Connectable Servers in a Weighted Tree Network | Go, Java | Medium |
| 3070 | Count Submatrices with Top-Left Element and Sum Less Than k | Go, Java | Medium |
| 3071 | Minimum Operations to Write the Letter Y on a Grid | Go, Java | Medium |
| 3076 | Shortest Uncommon Substring in an Array | Go, Java | Medium |
| 3080 | Mark Elements on Array by Performing Queries | Go, Java | Medium |
| 3084 | Count Substrings Starting and Ending with Given Character | Go, Java | Medium |
| 3085 | Minimum Deletions to Make String K-Special | Go, Java | Medium |
| 3091 | Apply Operations to Make Sum of Array Greater Than or Equal to k | Go, Java | Medium |
| 3092 | Most Frequent IDs | Go, Java | Medium |
| 3096 | Minimum Levels to Gain More Points | Go, Java | Medium |
| 3100 | Water Bottles II | Go, Java | Medium |
| 3101 | Count Alternating Subarrays | Go, Java | Medium |
| 3106 | Lexicographically Smallest String After Operations With Constraint | Go, Java | Medium |
| 3107 | Minimum Operations to Make Median of Array Equal to K | Go, Java | Medium |
| 3111 | Minimum Rectangles to Cover Points | Go, Java | Medium |
| 3112 | Minimum Time to Visit Disappearing Nodes | Go, Java | Medium |
| 3115 | Maximum Prime Difference | Go, Java | Medium |
| 3121 | Count the Number of Special Characters II | Go, Java | Medium |
| 3122 | Minimum Number of Operations to Satisfy Conditions | Go, Java | Medium |
| 3128 | Right Triangles | Go, Java | Medium |
| 3132 | Find the Integer Added to Array II | Go, Java | Medium |
| 3138 | Minimum Length of Anagram Concatenation | Go, Java | Medium |
| 3143 | Maximum Points Inside the Square | Go, Java | Medium |
| 3147 | Taking Maximum Energy From the Mystic Dungeon | Go, Java | Medium |
| 3148 | Maximum Difference Score in a Grid | Go, Java | Medium |
| 3153 | Sum of Digit Differences of All Pairs | Go, Java | Medium |
| 3160 | Find the Number of Distinct Colors Among the Balls | Go, Java | Medium |
| 3164 | Find the Number of Good Pairs II | Go, Java | Medium |
| 3169 | Count Days Without Meetings | Go, Java | Medium |
| 3170 | Lexicographically Minimum String After Removing Stars | Go, Java | Medium |
| 3175 | Find The First Player to win K Games in a Row | Go, Java | Medium |
| 3180 | Maximum Total Reward Using Operations I | Go, Java | Medium |
| 3181 | Maximum Total Reward Using Operations II | Go, Java | Hard |
| 3185 | Count Pairs That Form a Complete Day II | Go, Java | Medium |
| 3201 | Find the Maximum Length of Valid Subsequence I | Go, Java | Medium |
| 3202 | Find the Maximum Length of Valid Subsequence II | Go, Java | Medium |
| 3207 | Maximum Points After Enemy Battles | Go, Java | Medium |
| 3208 | Alternating Groups II | Go, Java | Medium |
| 3233 | Find the Count of Numbers Which Are Not Special | Go, Java | Medium |
| 3255 | Find the Power of K-Size Subarrays II | Go, Java | Medium |
| 3265 | Count Almost Equal Pairs I | Go, Java | Medium |
| 3281 | Maximize Score of Numbers in Ranges | Go, Java | Medium |
| 3282 | Reach End of Array With Max Score | Go, Java | Medium |
| 3286 | Find a Safe Walk Through a Grid | Go, Java | Medium |
| 3290 | Maximum Multiplication Score | Go, Java | Medium |
| 3296 | Minimum Number of Seconds to Make Mountain Height Zero | Go, Java | Medium |
| 3297 | Count Substrings That Can Be Rearranged to Contain a String I | Go, Java | Medium |
| 3298 | Count Substrings That Can Be Rearranged to Contain a String II | Go, Java | Hard |
| 3301 | Maximize the Total Height of Unique Towers | Go, Java | Medium |
| 3305 | Count of Substrings Containing Every Vowel and K Consonants I | Go, Java | Medium |
| 3306 | Count of Substrings Containing Every Vowel and K Consonants II | Go, Java | Medium |
| 3326 | Minimum Division Operations to Make Array Non Decreasing | Go, Java | Medium |
| 3334 | Find the Maximum Factor Score of Array | Go, Java | Medium |
| 3341 | Find Minimum Time to Reach Last Room I | Go, Java | Medium |
| 3342 | Find Minimum Time to Reach Last Room II | Go, Java | Medium |
| 3346 | Maximum Frequency of an Element After Performing Operations I | Go, Java | Medium |
| 3347 | Maximum Frequency of an Element After Performing Operations II | Go, Java | Hard |
| 3350 | Adjacent Increasing Subarrays Detection II | Go, Java | Medium |
| 3355 | Zero Array Transformation I | Go, Java | Medium |
| 3371 | Identify the Largest Outlier in an Array | Go, Java | Medium |
| 3376 | Minimum Time to Break Locks I | Go, Java | Medium |
| 3377 | Digit Operations to Make Two Integers Equal | Go, Java | Medium |
| 3381 | Maximum Subarray Sum With Length Divisible by K | Go, Java | Medium |
| 3388 | Count Beautiful Splits in an Array | Go, Java | Medium |
| 3394 | Check if Grid can be Cut into Sections | Go, Java | Medium |
| 3397 | Maximum Number of Distinct Elements After Operations | Go, Java | Medium |
| 3404 | Count Special Subsequences | Java | Medium |
| 3408 | Design Task Manager | Go, Java | Medium |
| 3412 | Find Mirror Score of a String | Go, Java | Medium |
| 3413 | Maximum Coins From K Consecutive Bags | Go, Java | Medium |
| 3433 | Count Mentions Per User | Go, Java | Medium |
| 3439 | Reschedule Meetings for Maximum Free Time I | Go, Java | Medium |
| 3440 | Reschedule Meetings for Maximum Free Time II | Go, Java | Medium |
| 3443 | Maximum Manhattan Distance After K Changes | Go, Java | Medium |
| 3447 | Assign Elements to Groups with Constraints | Go, Java | Medium |
| 3457 | Eat Pizzas! | Go, Java | Medium |
| 3478 | Choose K Elements With Maximum Sum | Go, Java | Medium |
| 3488 | Closest Equal Element Queries | Go, Java | Medium |
| 3489 | Zero Array Transformation IV | Go, Java | Medium |
| 3499 | Maximize Active Section with Trade I | Go, Java | Medium |
| 3508 | Implement Router | Go, Java | Medium |
| 3513 | Number of Unique XOR Triplets I | Go, Java | Medium |
| 3514 | Number of Unique XOR Triplets II | Go, Java | Medium |
| 3542 | Minimum Operations to Convert All Elements to Zero | Go, Java | Medium |
| 3543 | Maximum Weighted K-Edge Path | Go, Java | Medium |
| 3552 | Grid Teleportation Traversal | Go, Java | Medium |
| 3557 | Find Maximum Number of Non Intersecting Substrings | Go, Java | Medium |
| 3588 | Find Maximum Area of a Triangle | Go, Java | Medium |
| 3660 | Jump Game IX | Go, Java | Medium |
| 3760 | Maximum Substrings With Distinct Start | Go, Java | Medium |