| 1140 |
Stone Game II |
C++ |
| 1139 |
Largest 1-Bordered Square |
C++ |
| 1138 |
Alphabet Board Path |
C++ |
| 1137 |
N-th Tribonacci Number |
C++ |
| 1136 |
Parallel Courses |
C++ |
| 1135 |
Connecting Cities With Minimum Cost |
C++ |
| 1134 |
Armstrong Number |
C++ |
| 1133 |
Largest Unique Number |
C++ |
| 1131 |
Maximum of Absolute Value Expression |
C++ |
| 1130 |
Minimum Cost Tree From Leaf Values |
C++ |
| 1129 |
Shortest Path with Alternating Colors |
C++ |
| 1128 |
Number of Equivalent Domino Pairs |
C++ |
| 1125 |
Smallest Sufficient Team |
C++ |
| 1124 |
Longest Well-Performing Interval |
C++ |
| 1123 |
Lowest Common Ancestor of Deepest Leaves |
C++ |
| 1122 |
Relative Sort Array |
C++ |
| 1121 |
Divide Array Into Increasing Sequences |
C++ |
| 1120 |
Maximum Average Subtree |
C++ |
| 1119 |
Remove Vowels from a String |
C++ |
| 1118 |
Number of Days in a Month |
C++ |
| 1111 |
Maximum Nesting Depth of Two Valid Parentheses Strings |
C++ |
| 1110 |
Delete Nodes And Return Forest |
C++ |
| 1109 |
Corporate Flight Bookings |
C++ |
| 1108 |
Defanging an IP Address |
C++ |
| 1106 |
Parsing A Boolean Expression |
C++ |
| 1105 |
Filling Bookcase Shelves |
C++ |
| 1104 |
Path In Zigzag Labelled Binary Tree |
C++ |
| 1103 |
Distribute Candies to People |
C++ |
| 1102 |
Path With Maximum Minimum Value |
C++ |
| 1101 |
The Earliest Moment When Everyone Become Friends |
C++ |
| 1100 |
Find K-Length Substrings With No Repeated Characters |
C++ |
| 1099 |
Two Sum Less Than K |
C++ |
| 1089 |
Duplicate Zeros |
C++ |
| 1087 |
Brace Expansion |
C++ |
| 1081 |
Smallest Subsequence of Distinct Characters |
C++ |
| 1080 |
Insufficient Nodes in Root to Leaf Paths |
C++ |
| 1079 |
Letter Tile Possibilities |
C++ |
| 1078 |
Occurrences After Bigram |
C++ |
| 1073 |
Adding Two Negabinary Numbers |
C++ |
| 1066 |
Campus Bikes II |
C++ |
| 1057 |
Campus Bikes |
C++ |
| 1054 |
Distant Barcodes |
C++ |
| 1053 |
Previous Permutation With One Swap |
C++ |
| 1052 |
Grumpy Bookstore Owner |
C++ |
| 1051 |
Height Checker |
C++ |
| 1040 |
Moving Stones Until Consecutive II |
C++ |
| 1039 |
Minimum Score Triangulation of Polygon |
C++ |
| 1038 |
Binary Search Tree to Greater Sum Tree |
C++ |
| 1037 |
Valid Boomerang |
C++ |
| 1036 |
Escape a Large Maze |
C++ |
| 1035 |
Uncrossed Lines |
C++ |
| 1034 |
Coloring A Border |
C++ |
| 1033 |
Moving Stones Until Consecutive |
C++ |
| 1032 |
Stream of Characters |
C++ |
| 1030 |
Matrix Cells in Distance Order |
C++ |
| 1029 |
Two City Scheduling |
C++ |
| 1027 |
Longest Arithmetic Sequence |
C++ |
| 1024 |
Video Stitching |
C++ |
| 1023 |
Camelcase Matching |
C++ |
| 1021 |
Remove Outermost Parentheses |
C++ |
| 1020 |
Number of Enclaves |
C++ |
| 973 |
K Closest Points to Origin |
C++ |
| 964 |
Least Operators to Express Number |
C++ |
| 943 |
Find the Shortest Superstring |
C++ |
| 939 |
Minimum Area Rectangle |
C++ |
| 938 |
Range Sum of BST |
C++ |
| 937 |
Reorder Log Files |
C++ |
| 919 |
Complete Binary Tree Inserter |
C++ |
| 917 |
Reverse Only Letters |
C++ |
| 889 |
Construct Binary Tree from Preorder and Postorder Traversal |
C++ |
| 864 |
Shortest Path to Get All Keys |
C++ |
| 859 |
Buddy Strings |
C++ |
| 857 |
Minimum Cost to Hire K Workers |
C++ |
| 858 |
Mirror Reflection |
C++ |
| 847 |
Shortest Path Visiting All Nodes |
C++ |
| 840 |
Magic Squares In Grid |
C++ |
| 830 |
Positions of Large Groups |
C++ |
| 825 |
Friends Of Appropriate Ages |
C++ |
| 824 |
Goat Latin |
C++ |
| 817 |
Linked List Components |
C++ |
| 816 |
Ambiguous Coordinates |
C++ |
| 815 |
Bus Routes |
C++ |
| 813 |
Largest Sum of Averages |
C++ |
| 812 |
Largest Triangle Area |
C++ |
| 809 |
Expressive Words |
C++ |
| 808 |
Soup Servings |
C++ |
| 805 |
Split Array With Same Average |
C++ |
| 802 |
Find Eventual Safe States |
C++ |
| 801 |
Minimum Swaps To Make Sequences Increasing |
C++ |
| 792 |
Number of Matching Subsequences |
C++ |
| 790 |
Domino and Tromino Tiling |
C++ |
| 787 |
Cheapest Flights Within K Stops |
C++ |
| 786 |
K-th Smallest Prime Fraction |
C++ |
| 785 |
Is Graph Bipartite? |
C++ |
| 784 |
Letter Case Permutation |
C++ |
| 780 |
Reaching Points |
C++ |
| 779 |
K-th Symbol in Grammar |
C++ |
| 778 |
Swim in Rising Water |
C++ |
| 777 |
Swap Adjacent in LR String |
C++ |
| 774 |
Minimize Max Distance to Gas Station |
C++ |
| 772 |
Basic Calculator III |
C++ |
| 771 |
Jewels and Stones |
C++ |
| 770 |
Basic Calculator IV |
C++ |
| 769 |
Max Chunks To Make Sorted |
C++ |
| 768 |
Max Chunks To Make Sorted II |
C++ |
| 767 |
Reorganize String |
C++ |
| 766 |
Toeplitz Matrix |
C++ |
| 765 |
Couples Holding Hands |
C++ |
| 764 |
Largest Plus Sign |
C++ |
| 763 |
Partition Labels |
C++ |
| 762 |
Prime Number of Set Bits in Binary Representation |
C++ |
| 760 |
Find Anagram Mappings |
C++ |
| 758 |
Bold Words in String |
C++ |
| 756 |
Pyramid Transition Matrix |
C++ |
| 753 |
Cracking the Safe |
C++ |
| 752 |
Open the Lock |
C++ |
| 750 |
Number Of Corner Rectangles |
C++ |
| 749 |
Contain Virus |
C++ |
| 748 |
Shortest Completing Word |
C++ |
| 747 |
Largest Number At Least Twice of Others |
C++ |
| 746 |
Min Cost Climbing Stairs |
C++ |
| 745 |
Prefix and Suffix Search |
C++ |
| 744 |
Find Smallest Letter Greater Than Target |
C++ |
| 743 |
Network Delay Time |
C++ |
| 740 |
Delete and Earn |
C++ |
| 739 |
Daily Temperatures |
C++ |
| 738 |
Monotone Increasing Digits |
C++ |
| 737 |
Sentence Similarity II |
C++ |
| 735 |
Asteroid Collision |
C++ |
| 734 |
Sentence Similarity |
C++ |
| 733 |
Flood Fill |
C++ |
| 732 |
My Calendar III |
C++ |
| 731 |
My Calendar II |
C++ |
| 729 |
My Calendar I |
C++ |
| 728 |
Self Dividing Numbers |
C++ |
| 727 |
Minimum Window Subsequence |
C++ |
| 726 |
Number of Atoms |
C++ |
| 725 |
Split Linked List in Parts |
C++ |
| 724 |
Find Pivot Index |
C++ |
| 722 |
Remove Comments |
C++ |
| 721 |
Accounts Merge |
C++ |
| 720 |
Longest Word in Dictionary |
C++ |
| 719 |
Find K-th Smallest Pair Distance |
C++ |
| 718 |
Maximum Length of Repeated Subarray |
C++ |
| 717 |
1-bit and 2-bit Characters |
C++ |
| 716 |
Max Stack |
C++ |
| 715 |
Range Module |
C++ |
| 714 |
Best Time to Buy and Sell Stock with Transaction Fee |
C++ |
| 713 |
Subarray Product Less Than K |
C++ |
| 712 |
Minimum ASCII Delete Sum for Two Strings |
C++ |
| 698 |
Partition to K Equal Sum Subsets |
C++ |
| 697 |
Degree of an Array |
C++ |
| 696 |
Count Binary Substrings |
C++ |
| 695 |
Max Area of Island |
C++ |
| 694 |
Number of Distinct Islands |
C++ |
| 693 |
Binary Number with Alternating Bits |
C++ |
| 692 |
Top K Frequent Words |
C++ |
| 690 |
Employee Importance |
C++ |
| 689 |
Maximum Sum of 3 Non-Overlapping Subarrays |
C++ |
| 688 |
Knight Probability in Chessboard |
C++ |
| 687 |
Longest Univalue Path |
C++ |
| 686 |
Repeated String Match |
C++ |
| 685 |
Redundant Connection II |
C++ |
| 684 |
Redundant Connection |
C++ |
| 682 |
Baseball Game |
C++, Java, Python |
| 681 |
Next Closest Time |
C++, Java, Python |
| 680 |
Valid Palindrome II |
C++, Java, Python |
| 679 |
24 Game |
C++ |
| 678 |
Valid Parenthesis String |
C++ |
| 677 |
Map Sum Pairs |
C++, Java, Python |
| 676 |
Implement Magic Dictionary |
C++, Java, Python |
| 675 |
Cut Off Trees for Golf Event |
C++ |
| 674 |
Longest Continuous Increasing Subsequence |
C++, Java, Python |
| 673 |
Number of Longest Increasing Subsequence |
C++ |
| 672 |
Bulb Switcher II |
C++, Java, Python |
| 671 |
Second Minimum Node In a Binary Tree |
C++, Java, Python |
| 670 |
Maximum Swap |
C++ |
| 669 |
Trim a Binary Search Tree |
C++, Java, Python |
| 667 |
Beautiful Arrangement II |
C++ |
| 666 |
Path Sum IV |
C++ |
| 665 |
Non-decreasing Array |
C++, Java, Python |
| 663 |
Equal Tree Partition |
C++ |
| 662 |
Maximum Width of Binary Tree |
C++ |
| 661 |
Image Smoother |
C++ |
| 660 |
Remove 9 |
C++ |
| 659 |
Split Array into Consecutive Subsequences |
C++ |
| 658 |
Find K Closest Elements |
C++ |
| 657 |
Judge Route Circle |
C++ |
| 655 |
Print Binary Tree |
C++ |
| 653 |
Two Sum IV - Input is a BST |
C++ |
| 652 |
Find Duplicate Subtrees |
C++ |
| 651 |
4 Keys Keyboard |
C++ |
| 650 |
2 Keys Keyboard |
C++ |
| 649 |
Dota2 Senate |
C++ |
| 648 |
Replace Words |
C++ |
| 647 |
Palindromic Substrings |
C++ |
| 646 |
Maximum Length of Pair Chain |
C++ |
| 645 |
Set Mismatch |
C++ |
| 644 |
Maximum Average Subarray II |
C++ |
| 643 |
Maximum Average Subarray I |
C++ |
| 642 |
Design Search Autocomplete System |
C++ |
| 640 |
Solve the Equation |
C++ |
| 639 |
Decode Ways II |
C++ |
| 638 |
Shopping Offers |
C++ |
| 637 |
Average of Levels in Binary Tree |
C++ |
| 636 |
Exclusive Time of Functions |
C++, Java, Python |
| 635 |
Design Log Storage System |
C++ |
| 634 |
Find the Derangement of An Array |
C++ |
| 633 |
Sum of Square Numbers |
C++ |
| 632 |
Smallest Range |
C++ |
| 630 |
Course Schedule III |
C++ |
| 628 |
Maximum Product of Three Numbers |
C++ |
| 625 |
Minimum Factorization |
C++ |
| 624 |
Maximum Distance in Arrays |
C++ |
| 623 |
Add One Row to Tree |
C++ |
| 617 |
Merge Two Binary Trees |
C++ |
| 616 |
Add Bold Tag in String |
C++ |
| 611 |
Valid Triangle Number |
C++ |
| 609 |
Find Duplicate File in System |
C++ |
| 606 |
Construct String from Binary Tree |
C++ |
| 605 |
Can Place Flowers |
C++ |
| 604 |
Design Compressed String Iterator |
C++ |
| 600 |
Non-negative Integers without Consecutive Ones |
C++ |
| 599 |
Minimum Index Sum of Two Lists |
C++ |
| 598 |
Range Addition II |
C++ |
| 594 |
Longest Harmonious Subsequence |
C++ |
| 593 |
Valid Square |
C++ |
| 592 |
Fraction Addition and Subtraction |
C++ |
| 591 |
Tag Validator |
C++ |
| 588 |
Design In-Memory File System |
C++ |
| 587 |
Erect the Fence |
C++ |
| 583 |
Delete Operation for Two Strings |
C++ |
| 582 |
Kill Process |
C++ |
| 581 |
Shortest Unsorted Continuous Subarray |
C++ |
| 576 |
Out of Boundary Paths |
C++ |
| 575 |
Distribute Candies |
C++ |
| 573 |
Squirrel Simulation |
C++ |
| 572 |
Subtree of Another Tree |
C++ |
| 568 |
Maximum Vacation Days |
C++ |
| 567 |
Permutation in String |
C++ |
| 566 |
Reshape the Matrix |
C++ |
| 565 |
Array Nesting |
C++ |
| 564 |
Find the Closest Palindrome |
C++ |
| 563 |
Binary Tree Tilt |
C++ |
| 562 |
Longest Line of Consecutive One in Matrix |
C++ |
| 561 |
Array Partition I |
C++ |
| 560 |
Subarray Sum Equals K |
C++ |
| 557 |
Reverse Words in a String III |
C++ |
| 556 |
Next Greater Element III |
C++ |
| 555 |
Split Concatenated Strings |
C++ |
| 554 |
Brick Wall |
C++ |
| 553 |
Optimal Division |
C++ |
| 552 |
Student Attendance Record II |
C++ |
| 551 |
Student Attendance Record I |
C++ |
| 549 |
Binary Tree Longest Consecutive Sequence II |
C++ |
| 548 |
Split Array with Equal Sum |
C++ |
| 547 |
Friend Circles |
C++ |
| 546 |
Remove Boxes |
C++ |
| 545 |
Boundary of Binary Tree |
C++ |
| 544 |
Output Contest Matches |
C++ |
| 543 |
Diameter of Binary Tree |
C++ |
| 542 |
01 Matrix |
C++ |
| 541 |
Reverse String II |
C++ |
| 540 |
Single Element in a Sorted Array |
C++ |
| 539 |
Minimum Time Difference |
C++ |
| 538 |
Convert BST to Greater Tree |
C++ |
| 537 |
Complex Number Multiplication |
C++ |
| 536 |
Construct Binary Tree from String |
C++ |
| 535 |
Encode and Decode TinyURL |
C++ |
| 533 |
Lonely Pixel II |
C++ |
| 532 |
K-diff Pairs in an Array |
C++ |
| 531 |
Lonely Pixel I |
C++ |
| 530 |
Minimum Absolute Difference in BST |
C++ |
| 529 |
Minesweeper |
C++ |
| 527 |
Word Abbreviation |
C++ |
| 526 |
Beautiful Arrangement |
C++ |
| 525 |
Contiguous Array |
C++ |
| 524 |
Longest Word in Dictionary through Deleting |
C++ |
| 523 |
Continuous Subarray Sum |
C++ |
| 522 |
Longest Uncommon Subsequence II |
C++ |
| 521 |
Longest Uncommon Subsequence I |
C++ |
| 520 |
Detect Capital |
C++ |
| 518 |
Coin Change 2 |
C++ |
| 517 |
Super Washing Machines |
C++ |
| 516 |
Longest Palindromic Subsequence |
C++ |
| 515 |
Find Largest Value in Each Tree Row |
C++ |
| 514 |
Freedom Trail |
C++ |
| 513 |
Find Bottom Left Tree Value |
C++ |
| 508 |
Most Frequent Subtree Sum |
C++ |
| 507 |
Perfect Number |
C++ |
| 506 |
Relative Ranks |
C++ |
| 505 |
The Maze II |
C++ |
| 504 |
Base 7 |
C++ |
| 503 |
Next Greater Element II |
C++ |
| 502 |
IPO |
C++ |
| 501 |
Find Mode in Binary Search Tree |
C++ |
| 500 |
Keyboard Row |
C++ |
| 499 |
The Maze III |
C++ |
| 498 |
Diagonal Traverse |
C++ |
| 496 |
Next Greater Element I |
C++ |
| 495 |
Teemo Attacking |
C++ |
| 494 |
Target Sum |
C++ |
| 493 |
Reverse Pairs |
C++ |
| 492 |
Construct the rectangle |
C++ |
| 491 |
Increasing Subsequences |
C++ |
| 490 |
The Maze |
C++ |
| 488 |
Zuma Game |
C++ |
| 487 |
Max Consecutive Ones II |
C++ |
| 486 |
Predict the Winner |
C++ |
| 485 |
Max Consecutive Ones |
C++ |
| 484 |
Find Permutation |
C++ |
| 483 |
Smallest Good Base |
C++ |
| 482 |
License Key Formatting |
C++ |
| 481 |
Magical String |
C++ |
| 480 |
Sliding Window Median |
C++ |
| 479 |
Largest Palindrome Product |
C++ |
| 477 |
Total Hamming Distance |
C++ |
| 476 |
Number Complement |
C++ |
| 475 |
Heaters |
C++ |
| 474 |
Ones and Zeroes |
C++ |
| 473 |
Matchsticks to Square |
C++ |
| 472 |
Concatenated Words |
C++ |
| 471 |
Encode String with Shortest Length |
C++ |
| 469 |
Convex Polygon |
C++ |
| 468 |
Validate IP Address |
C++ |
| 467 |
Unique Substrings in Wraparound String |
C++ |
| 466 |
Count The Repetitions |
C++ |
| 465 |
Optimal Account Balancing |
C++ |
| 464 |
Can I Win |
C++ |
| 463 |
Island Perimeter |
C++ |
| 462 |
Minimum Moves to Equal Array Elements II |
C++ |
| 461 |
Hamming Distance |
C++ |
| 460 |
LFU Cache |
C++ |
| 459 |
Repeated Substring Pattern |
C++ |
| 458 |
Poor Pigs |
C++ |
| 457 |
Circular Array Loop |
C++ |
| 456 |
132 Pattern |
C++ |
| 455 |
Assign Cookies |
C++ |
| 454 |
4Sum II |
C++ |
| 453 |
Minimum Moves to Equal Array Elements |
C++ |
| 452 |
Minimum Number of Arrows to Burst Balloons |
C++ |
| 451 |
Sort Characters By Frequency |
C++ |
| 450 |
Delete Node in a BST |
C++ |
| 449 |
Serialize and Deserialize BST |
C++ |
| 448 |
Find All Numbers Disappeared in an Array |
C++ |
| 447 |
Number of Boomerangs |
C++ |
| 446 |
Arithmetic Slices II - Subsequence |
C++ |
| 445 |
Add Two Numbers II |
C++ |
| 444 |
Sequence Reconstruction |
C++ |
| 443 |
String Compression |
C++ |
| 442 |
Find All Duplicates in an Array |
C++ |
| 441 |
Arranging Coins |
C++ |
| 440 |
K-th Smallest in Lexicographical Order |
C++ |
| 439 |
Ternary Expression Parser |
C++ |
| 438 |
Find All Anagrams in a String |
C++ |
| 437 |
Path Sum III |
C++ |
| 436 |
Find Right Interval |
C++ |
| 435 |
Non-overlapping Intervals |
C++ |
| 434 |
Number of Segments in a String |
C++ |
| 433 |
Minimum Genetic Mutation |
C++ |
| 432 |
All O`one Data Structure |
C++ |
| 425 |
Word Squares |
C++ |
| 424 |
Longest Repeating Character Replacement |
C++ |
| 423 |
Reconstruct Original Digits from English |
C++ |
| 422 |
Valid Word Square |
C++ |
| 421 |
Maximum XOR of Two Numbers in an Array |
C++, Java |
| 420 |
Strong Password Checker |
C++ |
| 419 |
Battleships in a Board |
C++ |
| 418 |
Sentence Screen Fitting |
C++ |
| 417 |
Pacific Atlantic Water Flow |
C++ |
| 416 |
Partition Equal Subset Sum |
C++ |
| 415 |
Add Strings |
C++ |
| 414 |
Third Maximum Number |
C++ |
| 413 |
Arithmetic Slices |
C++ |
| 412 |
Fizz Buzz |
C++ |
| 411 |
Minimum Unique Word Abbreviation |
C++ |
| 410 |
Split Array Largest Sum |
C++ |
| 409 |
Longest Palindrome |
C++ |
| 408 |
Valid Word Abbreviation |
C++ |
| 407 |
Trapping Rain Water II |
C++ |
| 406 |
Queue Reconstruction by Height |
C++ |
| 405 |
Convert a Number to Hexadecimal |
C++ |
| 404 |
Sum of Left Leaves |
C++ |
| 403 |
Frog Jump |
C++ |
| 402 |
Remove K Digits |
C++ |
| 401 |
Binary Watch |
C++ |
| 400 |
Nth Digit |
C++ |
| 399 |
Evaluate Division |
C++, Java |
| 398 |
Random Pick Index |
C++ |
| 397 |
Integer Replacement |
C++ |
| 396 |
Rotate Function |
C++ |
| 395 |
Longest Substring with At Least K Repeating Characters |
C++ |
| 394 |
Decode String |
C++ |
| 393 |
UTF-8 Validation |
C++ |
| 392 |
Is Subsequence |
C++ |
| 391 |
Perfect Rectangle |
C++ |
| 390 |
Elimination Game |
C++ |
| 389 |
Find the Difference |
C++ |
| 388 |
Longest Absolute File Path |
C++ |
| 387 |
First Unique Character in a String |
C++ |
| 386 |
Lexicographical Numbers |
C++ |
| 385 |
Mini Parser |
C++ |
| 384 |
Shuffle an Array |
C++ |
| 383 |
Ransom Note |
C++ |
| 382 |
Linked List Random Node |
C++ |
| 381 |
Insert Delete GetRandom O(1) - Duplicates allowed |
C++ |
| 380 |
Insert Delete GetRandom O(1) |
C++ |
| 379 |
Design Phone Directory |
C++ |
| 378 |
Kth Smallest Element in a Sorted Matrix |
C++ |
| 377 |
Combination Sum IV |
C++ |
| 376 |
Wiggle Subsequence |
C++ |
| 375 |
Guess Number Higher or Lower II |
C++ |
| 374 |
Guess Number Higher or Lower |
C++ |
| 373 |
Find K Pairs with Smallest Sums |
C++ |
| 372 |
Super Pow |
C++ |
| 371 |
Sum of Two Integers |
C++ |
| 370 |
Range Addition |
C++ |
| 369 |
Plus One Linked List |
C++ |
| 368 |
Largest Divisible Subset |
C++ |
| 367 |
Valid Perfect Square |
C++ |
| 366 |
Find Leaves of Binary Tree |
C++ |
| 365 |
Water and Jug Problem |
C++ |
| 364 |
Nested List Weight Sum II |
C++ |
| 363 |
Max Sum of Rectangle No Larger Than K |
C++ |
| 362 |
Design Hit Counter |
C++ |
| 361 |
Bomb Enemy |
C++ |
| 360 |
Sort Transformed Array |
C++ |
| 359 |
Logger Rate Limiter |
C++ |
| 358 |
Rearrange String k Distance Apart |
C++ |
| 357 |
Count Numbers with Unique Digits |
C++ |
| 356 |
Line Reflection |
C++ |
| 355 |
Design Twitter |
C++ |
| 354 |
Russian Doll Envelopes |
C++ |
| 353 |
Design Snake Game |
C++ |
| 352 |
Data Stream as Disjoint Intervals |
C++ |
| 351 |
Android Unlock Patterns |
C++ |
| 350 |
Intersection of Two Arrays II |
C++ |
| 349 |
Intersection of Two Arrays |
C++ |
| 348 |
Design Tic-Tac-Toe |
C++ |
| 347 |
Top K Frequent Elements |
C++ |
| 346 |
Moving Average from Data Stream |
C++ |
| 345 |
Reverse Vowels of a String |
C++ |
| 344 |
Reverse String |
C++ |
| 343 |
Integer Break |
C++ |
| 342 |
Power of Four |
C++ |
| 341 |
Flatten Nested List Iterator |
C++ |
| 340 |
Longest Substring with At Most K Distinct Characters |
C++ |
| 339 |
Nested List Weight Sum |
C++ |
| 337 |
House Robber III |
C++ |
| 336 |
Palindrome Pairs |
C++ |
| 335 |
Self Crossing |
C++ |
| 334 |
Increasing Triplet Subsequence |
C++ |
| 333 |
Largest BST Subtree |
C++ |
| 332 |
Reconstruct Itinerary |
C++ |
| 331 |
Verify Preorder Serialization of a Binary Tree |
C++ |
| 330 |
Patching Array |
C++ |
| 329 |
Longest Increasing Path in a Matrix |
C++ |
| 328 |
Odd Even Linked List |
C++ |
| 327 |
Count of Range Sum |
C++ |
| 325 |
Maximum Size Subarray Sum Equals k |
C++ |
| 324 |
Wiggle Sort II |
C++ |
| 323 |
Number of Connected Components in an Undirected Graph |
C++ |
| 322 |
Coin Change |
C++ |
| 321 |
Create Maximum Number |
C++ |
| 320 |
Generalized Abbreviation |
C++ |
| 319 |
Bulb Switcher |
C++ |
| 318 |
Maximum Product of Word Lengths |
C++ |
| 317 |
Shortest Distance from All Buildings |
C++ |
| 316 |
Remove Duplicate Letters |
C++ |
| 315 |
Count of Smaller Numbers After Self |
C++ |
| 314 |
Binary Tree Vertical Order Traversal |
C++ |
| 313 |
Super Ugly Number |
C++ |
| 312 |
Burst Balloons |
C++ |
| 311 |
Sparse Matrix Multiplication |
C++ |
| 310 |
Minimum Height Trees |
C++ |
| 309 |
Best Time to Buy and Sell Stock with Cooldown |
C++ |
| 308 |
Range Sum Query 2D - Mutable |
C++ |
| 307 |
Range Sum Query - Mutable |
C++ |
| 306 |
Additive Number |
C++ |
| 305 |
Number of Islands II |
C++ |
| 304 |
Range Sum Query 2D - Immutable |
C++ |
| 302 |
Smallest Rectangle Enclosing Black Pixels |
C++ |
| 301 |
Remove Invalid Parentheses |
C++ |
| 300 |
Longest Increasing Subsequence |
C++ |
| 299 |
Bulls and Cows |
C++ |
| 298 |
Binary Tree Longest Consecutive Sequence |
C++ |
| 297 |
Serialize and Deserialize Binary Tree |
C++ |
| 296 |
Best Meeting Point |
C++ |
| 295 |
Find Median from Data Stream |
C++ |
| 294 |
Flip Game II |
C++ |
| 293 |
Flip Game |
C++ |
| 292 |
Nim Game |
C++ |
| 291 |
Word Pattern II |
C++ |
| 290 |
Word Pattern |
C++ |
| 289 |
Game of Life |
C++ |
| 288 |
Unique Word Abbreviation |
C++ |
| 287 |
Find the Duplicate Number |
C++ |
| 286 |
Walls and Gates |
C++ |
| 285 |
Inorder Successor in BST |
C++ |
| 284 |
Peeking Iterator |
C++ |
| 283 |
Move Zeroes |
C++ |
| 282 |
Expression Add Operators |
C++ |
| 281 |
Zigzag Iterator |
C++ |
| 280 |
Wiggle Sort |
C++ |
| 279 |
Perfect Squares |
C++ |
| 278 |
First Bad Version |
C++ |
| 277 |
Find the Celebrity |
C++ |
| 276 |
Paint Fence |
C++ |
| 275 |
H-Index II |
C++ |
| 274 |
H-Index |
C++ |
| 273 |
Integer to English Words |
C++ |
| 272 |
Closest Binary Search Tree Value II |
C++ |
| 271 |
Encode and Decode Strings |
C++ |
| 270 |
Closest Binary Search Tree Value |
C++ |
| 269 |
Alien Dictionary |
C++ |
| 268 |
Missing Number |
C++ |
| 266 |
Palindrome Permutation |
C++ |
| 265 |
Paint House II |
C++ |
| 264 |
Ugly Number II |
C++ |
| 263 |
Ugly Number |
C++ |
| 260 |
Single Number III |
C++ |
| 259 |
3Sum Smaller |
C++ |
| 258 |
Add Digits |
C++ |
| 261 |
Graph Valid Tree |
C++ |
| 257 |
Binary Tree Paths |
C++ |
| 256 |
Paint House |
C++ |
| 255 |
Verify Preorder Sequence in Binary Search Tree |
C++ |
| 254 |
Factor Combinations |
C++ |
| 253 |
Meeting Rooms II |
C++ |
| 252 |
Meeting Rooms |
C++ |
| 251 |
Flatten 2D Vector |
C++ |
| 250 |
Count Univalue Subtrees |
C++ |
| 248 |
Strobogrammatic Number III |
C++ |
| 247 |
Strobogrammatic Number II |
C++ |
| 246 |
Strobogrammatic Number |
C++ |
| 245 |
Shortest Word Distance III |
C++ |
| 244 |
Shortest Word Distance II |
C++ |
| 243 |
Shortest Word Distance |
C++ |
| 242 |
Valid Anagram |
C++ |
| 241 |
Different Ways to Add Parentheses |
C++ |
| 240 |
Search a 2D Matrix II |
C++ |
| 239 |
Sliding Window Maximum |
C++ |
| 238 |
Product of Array Except Self |
C++ |
| 237 |
Delete Node in a Linked List |
C++ |
| 236 |
Lowest Common Ancestor of a Binary Tree |
C++ |
| 235 |
Lowest Common Ancestor of a Binary Search Tree |
C++ |
| 234 |
Palindrome Linked List |
C++ |
| 233 |
Number of Digit One |
C++ |
| 232 |
Implement Queue using Stacks |
C++ |
| 231 |
Power of Two |
C++ |
| 230 |
Kth Smallest Element in a BST |
C++ |
| 229 |
Majority Element II |
C++ |
| 228 |
Summary Ranges |
C++ |
| 227 |
Basic Calculator II |
C++ |
| 226 |
Invert Binary Tree |
C++ |
| 225 |
Implement Stack using Queues |
C++ |
| 224 |
Basic Calculator |
C++ |
| 223 |
Rectangle Area |
C++ |
| 222 |
Count Complete Tree Nodes |
C++ |
| 221 |
Maximal Square |
C++ |
| 220 |
Contains Duplicate III |
C++ |
| 219 |
Contains Duplicate II |
C++ |
| 218 |
The Skyline Problem |
C++ |
| 217 |
Contains Duplicate |
C++ |
| 216 |
Combination Sum III |
C++ |
| 215 |
Kth Largest Element in an Array |
C++ |
| 214 |
Shortest Palindrome |
C++ |
| 213 |
House Robber II |
C++ |
| 212 |
Word Search II |
C++ |
| 211 |
Add and Search Word - Data structure design |
C++ |
| 210 |
Course Schedule II |
C++ |
| 209 |
Minimum Size Subarray Sum |
C++ |
| 208 |
Implement Trie (Prefix Tree) |
C++ |
| 207 |
Course Schedule |
C++ |
| 206 |
Reverse Linked List |
C++ |
| 205 |
Isomorphic Strings |
C++ |
| 204 |
Count Primes |
C++ |
| 203 |
Remove Linked List Elements |
C++ |
| 202 |
Happy Number |
C++ |
| 201 |
Bitwise AND of Numbers Range |
C++ |
| 200 |
Number of Islands |
C++ |
| 199 |
Binary Tree Right Side View |
C++ |
| 198 |
House Robber |
C++ |
| 191 |
Number of 1 Bits |
C++ |
| 189 |
Rotate Array |
C++ |
| 188 |
Best Time to Buy and Sell Stock IV |
C++ |
| 187 |
Repeated DNA Sequences |
C++ |
| 179 |
Largest Number |
C++ |
| 174 |
Dungeon Game |
C++ |
| 173 |
Binary Search Tree Iterator |
C++ |
| 172 |
Factorial Trailing Zeroes |
C++ |
| 171 |
Excel Sheet Column Number |
C++ |
| 170 |
Two Sum III - Data structure design |
C++ |
| 169 |
Majority Element |
C++ |
| 168 |
Excel Sheet Column Title |
C++ |
| 167 |
Two Sum II - Input array is sorted |
C++ |
| 166 |
Fraction to Recurring Decimal |
C++ |
| 165 |
Compare Version Numbers |
C++ |
| 164 |
Maximum Gap |
C++ |
| 163 |
Missing Ranges |
C++ |
| 162 |
Find Peak Element |
C++ |
| 161 |
One Edit Distance |
C++ |
| 160 |
Intersection of Two Linked Lists |
C++ |
| 159 |
Longest Substring with At Most Two Distinct Characters |
C++ |
| 158 |
Read N Characters Given Read4 II - Call multiple times |
C++ |
| 157 |
Read N Characters Given Read4 |
C++ |
| 156 |
Binary Tree Upside Down |
C++ |
| 155 |
Min Stack |
C++ |
| 154 |
Find Minimum in Rotated Sorted Array II |
C++ |
| 153 |
Find Minimum in Rotated Sorted Array |
C++ |
| 152 |
Maximum Product Subarray |
C++ |
| 151 |
Reverse Words in a String |
C++ |
| 150 |
Evaluate Reverse Polish Notation |
C++ |
| 149 |
Max Points on a Line |
C++ |
| 148 |
Sort List |
C++ |
| 147 |
Insertion Sort List |
C++ |
| 146 |
LRU Cache |
C++ |
| 145 |
Binary Tree Postorder Traversal |
C++ |
| 144 |
Binary Tree Preorder Traversal |
C++ |
| 143 |
Reorder List |
C++ |
| 142 |
Linked List Cycle II |
C++ |
| 141 |
Linked List Cycle |
C++ |
| 140 |
Word Break II |
C++ |
| 139 |
Word Break |
C++ |
| 138 |
Copy List with Random Pointer |
C++ |
| 137 |
Single Number II |
C++ |
| 136 |
Single Number |
C++ |
| 135 |
Candy |
C++ |
| 134 |
Gas Station |
C++ |
| 133 |
Clone Graph |
C++ |
| 132 |
Palindrome Partitioning II |
C++ |
| 131 |
Palindrome Partitioning |
C++ |
| 130 |
Surrounded Regions |
C++ |
| 129 |
Sum Root to Leaf Numbers |
C++ |
| 128 |
Longest Consecutive Sequence |
C++ |
| 127 |
Word Ladder |
C++ |
| 126 |
Word Ladder II |
C++ |
| 125 |
Valid Palindrome |
C++ |
| 124 |
Binary Tree Maximum Path Sum |
C++ |
| 123 |
Best Time to Buy and Sell Stock III |
C++ |
| 122 |
Best Time to Buy and Sell Stock II |
C++ |
| 121 |
Best Time to Buy and Sell Stock |
C++ |
| 120 |
Triangle |
C++ |
| 119 |
Pascal's Triangle II |
C++ |
| 118 |
Pascal's Triangle |
C++ |
| 117 |
Populating Next Right Pointers in Each Node II |
C++ |
| 116 |
Populating Next Right Pointers in Each Node |
C++ |
| 115 |
Distinct Subsequences |
C++ |
| 114 |
Flatten Binary Tree to Linked List |
C++ |
| 113 |
Path Sum II |
C++ |
| 112 |
Path Sum |
C++ |
| 111 |
Minimum Depth of Binary Tree |
C++ |
| 110 |
Balanced Binary Tree |
C++ |
| 109 |
Convert Sorted List to Binary Search Tree |
C++ |
| 108 |
Convert Sorted Array to Binary Search Tree |
C++ |
| 107 |
Binary Tree Level Order Traversal II |
C++ |
| 106 |
Construct Binary Tree from Inorder and Postorder Traversal |
C++ |
| 105 |
Construct Binary Tree from Preorder and Inorder Traversal |
C++ |
| 104 |
Maximum Depth of Binary Tree |
C++ |
| 103 |
Binary Tree Zigzag Level Order Traversal |
C++ |
| 102 |
Binary Tree Level Order Traversal |
C++ |
| 101 |
Symmetric Tree |
C++ |
| 100 |
Same Tree |
C++ |
| 99 |
Recover Binary Search Tree |
C++ |
| 98 |
Validate Binary Search Tree |
C++ |
| 97 |
Interleaving String |
C++ |
| 96 |
Unique Binary Search Trees |
C++ |
| 95 |
Unique Binary Search Trees II |
C++ |
| 94 |
Binary Tree Inorder Traversal |
C++ |
| 93 |
Restore IP Addresses |
C++ |
| 92 |
Reverse Linked List II |
C++ |
| 91 |
Decode Ways |
C++ |
| 90 |
Subsets II |
C++ |
| 89 |
Gray Code |
C++ |
| 88 |
Merge Sorted Array |
C++ |
| 87 |
Scramble String |
C++ |
| 86 |
Partition List |
C++ |
| 85 |
Maximal Rectangle |
C++ |
| 84 |
Largest Rectangle in Histogram |
C++ |
| 83 |
Remove Duplicates from Sorted List |
C++ |
| 82 |
Remove Duplicates from Sorted List II |
C++ |
| 81 |
Search in Rotated Sorted Array II |
C++ |
| 80 |
Remove Duplicates from Sorted Array II |
C++ |
| 79 |
Word Search |
C++ |
| 78 |
Subsets |
C++ |
| 77 |
Combinations |
C++ |
| 76 |
Minimum Window Substring |
C++ |
| 75 |
Sort Colors |
C++ |
| 74 |
Search a 2D Matrix |
C++ |
| 73 |
Set Matrix Zeroes |
C++ |
| 72 |
Edit Distance |
C++ |
| 71 |
Simplify Path |
C++ |
| 70 |
Climbing Stairs |
C++ |
| 69 |
Sqrt(x) |
C++ |
| 68 |
Text Justification |
C++ |
| 67 |
Add Binary |
C++ |
| 66 |
Plus One |
C++ |
| 65 |
Valid Number |
C++ |
| 64 |
Minimum Path Sum |
C++ |
| 63 |
Unique Paths II |
C++ |
| 62 |
Unique Paths |
C++ |
| 61 |
Rotate List |
C++ |
| 60 |
Permutation Sequence |
C++ |
| 59 |
Spiral Matrix II |
C++ |
| 58 |
Length of Last Word |
C++ |
| 57 |
Insert Interval |
C++ |
| 56 |
Merge Intervals |
C++ |
| 55 |
Jump Game |
C++ |
| 54 |
Spiral Matrix |
C++ |
| 53 |
Maximum Subarray |
C++ |
| 52 |
N-Queens II |
C++ |
| 51 |
N-Queens |
C++ |
| 50 |
Pow(x, n) |
C++ |
| 49 |
Group Anagrams |
C++ |
| 48 |
Rotate Image |
C++ |
| 47 |
Permutations II |
C++ |
| 46 |
Permutations |
C++ |
| 45 |
Jump Game II |
C++ |
| 44 |
Wildcard Matching |
C++ |
| 43 |
Multiply Strings |
C++ |
| 42 |
Trapping Rain Water |
C++ |
| 41 |
First Missing Positive |
C++ |
| 40 |
Combination Sum II |
C++ |
| 39 |
Combination Sum |
C++ |
| 38 |
Count and Say |
C++ |
| 37 |
Sudoku Solver |
C++ |
| 36 |
Valid Sudoku |
C++ |
| 35 |
Search Insert Position |
C++ |
| 34 |
Search for a Range |
C++ |
| 33 |
Search in Rotated Sorted Array |
C++ |
| 32 |
Longest Valid Parentheses |
C++ |
| 31 |
Next Permutation |
C++ |
| 30 |
Substring with Concatenation of All Words |
C++ |
| 29 |
Divide Two Integers |
C++ |
| 28 |
Implement strStr() |
C++ |
| 27 |
Remove Element |
C++ |
| 26 |
Remove Duplicates from Sorted Array |
C++ |
| 25 |
Reverse Nodes in k-Group |
C++ |
| 24 |
Swap Nodes in Pairs |
C++ |
| 23 |
Merge k Sorted Lists |
C++ |
| 22 |
Generate Parentheses |
C++ |
| 21 |
Merge Two Sorted Lists |
C++ |
| 20 |
Valid Parentheses |
C++ |
| 19 |
Remove Nth Node From End of List |
C++ |
| 18 |
4Sum |
C++ |
| 17 |
Letter Combinations of a Phone Number |
C++ |
| 16 |
3Sum Closest |
C++ |
| 15 |
3Sum |
C++ |
| 14 |
Longest Common Prefix |
C++ |
| 13 |
Roman to Integer |
C++ |
| 12 |
Integer to Roman |
C++ |
| 11 |
Container With Most Water |
C++ |
| 10 |
Regular Expression Matching |
C++ |
| 9 |
Palindrome Number |
C++ |
| 8 |
String to Integer (atoi) |
C++ |
| 7 |
Reverse Integer |
C++ |
| 6 |
ZigZag Conversion |
C++ |
| 5 |
Longest Palindromic Substring |
C++, C, Java, C# |
| 4 |
Median of Two Sorted Arrays |
C++, C# |
| 3 |
Longest Substring Without Repeating Characters |
C++, C# |
| 2 |
Add Two Numbers |
C++, C# |
| 1 |
Two Sum |
C++, C# |