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🔮 Download personal submissions on LeetCode, generate summary figures and a markdown file

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chr1sc2y/LeetCode_Archiver

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LeetCode Archiver

Build Status

Download personal submissions on LeetCode, generate summary figures and a markdown file.

Use

  • clone the project and enter the project root path

  • create a file config.json where you config the username and password

{
  "username": "xxxx",
  "password": "xxxx"
}
  • python3 main.py

Note

Programming languages currently supported

  • C++, C, C#, Rust, Golang
  • Java, Kotlin, Scala
  • Python3, Python, Ruby, JavaScript, PHP
  • Swift
  • MySQL

Feature

  • download personal submissions on LeetCode
  • generate summary figures and a markdown file

Implementation

  • Python3
  • Scrapy
  • requests
  • numpy
  • matplotlib

Thanks to

Demo

LeetCode Solutions

Last Updated: 2019-5-5 17:54:12

Downloaded by ZintrulCre/LeetCode_Archiver

# title submissions topics difficulty accepted rate likes dislikes
1038 Binary Search Tree to Greater Sum Tree Python3, C++ Binary Search Tree Medium 83.0% 16 4
1037 Valid Boomerang C++ Math Easy 34.4% 3 15
1035 Uncrossed Lines C++ Array Medium 48.9% 106 5
1034 Coloring A Border C++ Depth-first Search Medium 42.4% 33 82
1033 Moving Stones Until Consecutive Python3, C++ Brainteaser Easy 31.8% 15 170
1032 Stream of Characters C++ Trie Hard 39.6% 66 18
1031 Maximum Sum of Two Non-Overlapping Subarrays Python3, C++ Array Medium 55.5% 113 7
1030 Matrix Cells in Distance Order Python3, C++ Sort Easy 67.2% 49 22
1029 Two City Scheduling Python3, C++ Greedy Easy 53.2% 147 12
1028 Recover a Tree From Preorder Traversal C++ Tree, Depth-first Search Hard 72.7% 111 2
1027 Longest Arithmetic Sequence C++ Dynamic Programming Medium 45.2% 120 8
1026 Maximum Difference Between Node and Ancestor C++, Python3 Tree, Depth-first Search Medium 58.2% 93 7
1025 Divisor Game Python3, Python, Golang, JavaScript, C#, Java, C, C++ Math, Dynamic Programming Easy 61.7% 56 142
1024 Video Stitching C++, Python3 Dynamic Programming Medium 47.4% 120 15
1023 Camelcase Matching Python3, C++ String, Trie Medium 57.2% 44 43
1022 Sum of Root To Leaf Binary Numbers Python3, C++ Tree Easy 50.3% 62 47
1021 Remove Outermost Parentheses Python3, C++ Stack Easy 77.4% 81 102
1020 Number of Enclaves Python3, C++ Depth-first Search Medium 54.7% 74 10
1019 Next Greater Node In Linked List Python3, C++ Linked List, Stack Medium 56.2% 140 13
1018 Binary Prefix Divisible By 5 Python3, C++ Array Easy 46.0% 44 38
1017 Convert to Base -2 Python3, C++ Math Medium 55.5% 54 81
1015 Smallest Integer Divisible by K C++, Python, Python3 Math Medium 27.5% 46 138
1014 Best Sightseeing Pair C++, Python, Python3 Array Medium 48.0% 158 11
1013 Partition Array Into Three Parts With Equal Sum C++, Python3, Python Array Easy 54.8% 91 16
1011 Capacity To Ship Packages Within D Days C++, Python3 Array, Binary Search Medium 52.0% 203 9
1010 Pairs of Songs With Total Durations Divisible by 60 Python3, C++ Array Easy 45.0% 107 8
1009 Complement of Base 10 Integer Python3, C++ Math Easy 58.9% 43 12
1008 Construct Binary Search Tree from Preorder Traversal C++ Tree Medium 72.5% 168 8
1007 Minimum Domino Rotations For Equal Row C++ Array, Greedy Medium 46.9% 45 52
1006 Clumsy Factorial Python3, C++ Math Medium 54.0% 33 73
1005 Maximize Sum Of Array After K Negations C++ Greedy Easy 49.5% 85 14
1003 Check If Word Is Valid After Substitutions C++, Python3 String, Stack Medium 51.9% 62 112
1002 Find Common Characters C++, Python3 Array, Hash Table Easy 66.0% 199 29
1001 Grid Illumination C++ Hash Table Hard 34.2% 86 34
999 Available Captures for Rook C++ Array Easy 66.7% 67 147
998 Maximum Binary Tree II C++ Tree Medium 62.2% 61 133
997 Find the Town Judge C++ Graph Easy 48.7% 112 19
995 Minimum Number of K Consecutive Bit Flips C++ Greedy, Sliding Window Hard 49.4% 111 20
994 Rotting Oranges C++ Breadth-first Search Easy 46.4% 189 9
993 Cousins in Binary Tree C++ Tree, Breadth-first Search Easy 52.5% 138 8
991 Broken Calculator Python3, C++, Python, Java, C, Golang Math, Greedy Medium 39.7% 115 49
990 Satisfiability of Equality Equations C++, Python3 Union Find, Graph Medium 39.4% 169 3
989 Add to Array-Form of Integer Python3, C++ Array Easy 44.6% 97 17
988 Smallest String Starting From Leaf Python3, C++ Tree, Depth-first Search Medium 47.5% 118 17
987 Vertical Order Traversal of a Binary Tree C++ Hash Table, Tree Medium 32.5% 91 201
986 Interval List Intersections Python3, C++ Two Pointers Medium 62.4% 179 10
985 Sum of Even Numbers After Queries Golang, Python3, C++ Array Easy 64.7% 124 51
984 String Without AAA or BBB C++ Greedy Medium 33.1% 83 159
983 Minimum Cost For Tickets C++ Dynamic Programming Medium 57.2% 377 8
982 Triples with Bitwise AND Equal To Zero C++ Dynamic Programming Hard 53.6% 48 69
981 Time Based Key-Value Store C++ Hash Table, Binary Search Medium 50.6% 143 29
979 Distribute Coins in Binary Tree C++, Python3 Tree, Depth-first Search Medium 66.6% 422 10
978 Longest Turbulent Subarray Python3, C++ Array, Dynamic Programming, Sliding Window Medium 45.5% 77 37
977 Squares of a Sorted Array C++, Python3 Array, Two Pointers Easy 72.3% 235 34
976 Largest Perimeter Triangle Python3, C++ Math, Sort Easy 57.0% 138 21
974 Subarray Sums Divisible by K C++, Python3 Array, Hash Table Medium 43.9% 226 18
973 K Closest Points to Origin Python3, C++ Divide and Conquer, Heap, Sort Medium 63.0% 338 39
971 Flip Binary Tree To Match Preorder Traversal C++ Tree, Depth-first Search Medium 42.4% 107 50
970 Powerful Integers Python3, C++ Hash Table, Math Easy 39.5% 56 120
969 Pancake Sorting Python3, C++ Array, Sort Medium 62.1% 116 131
967 Numbers With Same Consecutive Differences Python3, C++ Dynamic Programming Medium 36.8% 76 25
966 Vowel Spellchecker Python3, C++ Hash Table, String Medium 41.1% 56 112
965 Univalued Binary Tree C++, Python3 Tree Easy 67.0% 154 28
962 Maximum Width Ramp C++ Array Medium 41.1% 228 9
961 N-Repeated Element in Size 2N Array C++ Hash Table Easy 72.6% 172 120
958 Check Completeness of a Binary Tree C++ Tree Medium 46.6% 185 5
957 Prison Cells After N Days C++ Hash Table Medium 38.0% 87 172
954 Array of Doubled Pairs C++ Array, Hash Table Medium 34.2% 102 20
953 Verifying an Alien Dictionary C++ Hash Table Easy 55.7% 147 57
951 Flip Equivalent Binary Trees C++ Tree Medium 65.2% 202 7
949 Largest Time for Given Digits C++ Math Easy 33.8% 61 174
947 Most Stones Removed with Same Row or Column C++ Depth-first Search, Union Find Medium 54.2% 367 100
944 Delete Columns to Make Sorted C++ Greedy Easy 69.3% 39 783
942 DI String Match Python3, C++ Math Easy 70.0% 370 130
941 Valid Mountain Array Python3, C++ Array Easy 35.1% 125 35
938 Range Sum of BST Python, Python3, C++ Tree, Recursion Easy 80.3% 273 36
933 Number of Recent Calls C++, Python3 Queue Easy 69.4% 117 524
931 Minimum Falling Path Sum C++ Dynamic Programming Medium 58.6% 233 27
929 Unique Email Addresses Python3, C++ String Easy 72.3% 428 119
926 Flip String to Monotone Increasing C++ Array Medium 49.1% 289 13
925 Long Pressed Name Python3, Golang, C++ Two Pointers, String Easy 44.4% 209 24
922 Sort Array By Parity II C++ Array, Sort Easy 66.9% 258 25
921 Minimum Add to Make Parentheses Valid Python, Python3, C++ Stack, Greedy Medium 69.9% 235 18
919 Complete Binary Tree Inserter C++ Tree Medium 55.2% 124 33
917 Reverse Only Letters C++ String Easy 56.0% 232 24
914 X of a Kind in a Deck of Cards Python3, C++ Array, Math Easy 34.2% 203 41
912 Sort an Array C++ None Medium 64.3% 30 35
911 Online Election C++ Binary Search Medium 46.2% 160 107
905 Sort Array By Parity C++, Python Array Easy 72.5% 428 49
904 Fruit Into Baskets C++ Two Pointers Medium 41.3% 402 617
900 RLE Iterator C++ Array Medium 49.8% 113 52
897 Increasing Order Search Tree C++ Tree, Depth-first Search Easy 64.0% 237 272
896 Monotonic Array Python3, C++ Array Easy 55.0% 250 23
894 All Possible Full Binary Trees C++ Tree, Recursion Medium 70.3% 379 33
892 Surface Area of 3D Shapes Golang, C++ Math, Geometry Easy 55.8% 139 174
890 Find and Replace Pattern C++ String Medium 70.8% 332 29
889 Construct Binary Tree from Preorder and Postorder Traversal C++ Tree Medium 59.5% 366 21
888 Fair Candy Swap C++ Array Easy 56.5% 271 67
886 Possible Bipartition C++ Depth-first Search Medium 40.5% 279 13
885 Spiral Matrix III C++ Math Medium 63.9% 86 132
884 Uncommon Words from Two Sentences C++ Hash Table Easy 60.7% 210 54
883 Projection Area of 3D Shapes C++ Math Easy 65.6% 134 467
881 Boats to Save People C++ Two Pointers, Greedy Medium 43.7% 231 23
880 Decoded String at Index C++ Stack Medium 23.0% 225 47
877 Stone Game C++ Math, Dynamic Programming, Minimax Medium 61.2% 274 502
876 Middle of the Linked List C++ Linked List Easy 63.7% 463 36
875 Koko Eating Bananas C++ Binary Search Medium 45.7% 279 30
873 Length of Longest Fibonacci Subsequence Python3, C++ Array, Dynamic Programming Medium 46.0% 352 15
872 Leaf-Similar Trees C++ Tree, Depth-first Search Easy 63.0% 361 21
870 Advantage Shuffle Python3, C++ Array, Greedy Medium 42.2% 237 18
869 Reordered Power of 2 C++ Math Medium 50.6% 117 57
868 Binary Gap C++ Math Easy 59.3% 113 284
867 Transpose Matrix Python3, C++ Array Easy 63.8% 185 204
865 Smallest Subtree with all the Deepest Nodes C++ Tree Medium 55.3% 331 88
863 All Nodes Distance K in Binary Tree C++ Tree, Depth-first Search, Breadth-first Search Medium 46.7% 674 14
861 Score After Flipping Matrix C++ Greedy Medium 69.1% 230 63
860 Lemonade Change C++ Greedy Easy 50.2% 268 49
859 Buddy Strings C++ String Easy 27.6% 273 159
856 Score of Parentheses C++ String, Stack Medium 55.8% 515 22
853 Car Fleet C++ Stack Medium 39.3% 222 134
852 Peak Index in a Mountain Array C++ Binary Search Easy 69.5% 264 626
849 Maximize Distance to Closest Person C++ Array Easy 40.8% 380 63
848 Shifting Letters C++ String Medium 40.3% 148 25
846 Hand of Straights C++ Ordered Map Medium 48.8% 266 39
844 Backspace String Compare C++ Two Pointers, Stack Easy 45.8% 591 42
841 Keys and Rooms C++ Depth-first Search, Graph Medium 60.1% 439 33
840 Magic Squares In Grid C++ Array Easy 35.5% 67 610
838 Push Dominoes C++ Two Pointers, Dynamic Programming Medium 43.5% 283 32
837 New 21 Game C++ Dynamic Programming Medium 31.2% 274 157
834 Sum of Distances in Tree C++ Tree, Depth-first Search Hard 39.2% 421 22
833 Find And Replace in String C++ String Medium 45.8% 149 209
832 Flipping an Image C++ Array Easy 72.3% 469 97
831 Masking Personal Information C++ String Medium 42.0% 42 186
830 Positions of Large Groups C++ Array Easy 47.6% 192 49
825 Friends Of Appropriate Ages C++ Array Medium 36.0% 158 323
824 Goat Latin C++ String Easy 57.4% 139 386
821 Shortest Distance to a Character Python3 None Easy 63.2% 554 49
819 Most Common Word C++ String Easy 42.1% 284 628
817 Linked List Components C++ Linked List Medium 54.5% 205 501
814 Binary Tree Pruning C++ Tree Medium 70.7% 515 13
813 Largest Sum of Averages C++ Dynamic Programming Medium 44.6% 499 16
811 Subdomain Visit Count C++ Hash Table Easy 65.0% 237 370
807 Max Increase to Keep City Skyline Golang, C++ None Medium 81.4% 489 116
806 Number of Lines To Write String Python3, C++, Python None Easy 62.9% 145 573
804 Unique Morse Code Words C++ String Easy 74.5% 408 330
802 Find Eventual Safe States C++ Depth-first Search, Graph Medium 43.3% 335 49
801 Minimum Swaps To Make Sequences Increasing C++ Dynamic Programming Medium 34.4% 481 28
795 Number of Subarrays with Bounded Maximum Python3, C++ Array Medium 43.0% 331 30
792 Number of Matching Subsequences Python3, C++ Array Medium 42.5% 439 34
788 Rotated Digits C++ String Easy 53.9% 189 649
787 Cheapest Flights Within K Stops C++ Dynamic Programming, Heap, Breadth-first Search Medium 34.6% 725 26
785 Is Graph Bipartite? C++ Depth-first Search, Breadth-first Search, Graph Medium 43.0% 601 74
784 Letter Case Permutation C++ Backtracking, Bit Manipulation Easy 56.2% 593 74
783 Minimum Distance Between BST Nodes C++ Tree, Recursion Easy 50.3% 341 80
775 Global and Local Inversions Python3, C++ Array, Math Medium 38.5% 197 113
771 Jewels and Stones C++, Python3 Hash Table Easy 83.0% 1379 257
769 Max Chunks To Make Sorted Python3, C++ Array Medium 51.5% 428 74
766 Toeplitz Matrix Python3, C++ Array Easy 61.6% 578 66
764 Largest Plus Sign C++ Dynamic Programming Medium 43.3% 258 59
763 Partition Labels Python3, C++ Two Pointers, Greedy Medium 69.9% 870 48
762 Prime Number of Set Bits in Binary Representation C++ Bit Manipulation Easy 58.8% 150 229
756 Pyramid Transition Matrix C++ Bit Manipulation, Depth-first Search Medium 51.1% 168 259
754 Reach a Number C++ Math Easy 32.2% 262 208
748 Shortest Completing Word C++ Hash Table Easy 53.9% 108 415
747 Largest Number At Least Twice of Others C++ Array Easy 40.4% 195 393
746 Min Cost Climbing Stairs C++ Array, Dynamic Programming Easy 46.9% 1018 228
744 Find Smallest Letter Greater Than Target C++ Binary Search Easy 43.9% 211 318
743 Network Delay Time C++ Heap, Depth-first Search, Breadth-first Search, Graph Medium 41.5% 570 161
740 Delete and Earn C++ Dynamic Programming Medium 45.6% 574 50
739 Daily Temperatures C++, Python3 Hash Table, Stack Medium 59.8% 1179 30
733 Flood Fill C++ Depth-first Search Easy 50.6% 406 94
731 My Calendar II Python3, C++ Ordered Map Medium 44.0% 331 56
729 My Calendar I C++ Array Medium 47.0% 344 27
728 Self Dividing Numbers C++, Python, Python3 Math Easy 69.8% 413 218
725 Split Linked List in Parts Python3, C++ Linked List Medium 48.8% 335 80
724 Find Pivot Index C++ Array Easy 41.0% 572 142
718 Maximum Length of Repeated Subarray C++ Array, Hash Table, Binary Search, Dynamic Programming Medium 45.7% 606 28
717 1-bit and 2-bit Characters C++ Array Easy 49.2% 247 630
714 Best Time to Buy and Sell Stock with Transaction Fee Python3, C++ Array, Dynamic Programming, Greedy Medium 50.2% 867 31
709 To Lower Case Python, C++ String Easy 76.7% 260 866
707 Design Linked List C++ Linked List, Design Easy 22.8% 288 163
704 Binary Search Python3, C++ Binary Search Easy 47.1% 226 28
703 Kth Largest Element in a Stream Python3, C++ Heap Easy 46.3% 279 122
701 Insert into a Binary Search Tree C++ Tree Medium 75.3% 304 36
700 Search in a Binary Search Tree C++ Tree Easy 67.7% 290 89
698 Partition to K Equal Sum Subsets C++ Dynamic Programming, Recursion Medium 42.0% 770 49
697 Degree of an Array Python3, C++ Array Easy 50.1% 474 409
696 Count Binary Substrings C++ String Easy 53.2% 601 108
695 Max Area of Island Python3, C++ Array, Depth-first Search Medium 56.9% 1060 61
693 Binary Number with Alternating Bits C++ Bit Manipulation Easy 57.8% 288 68
690 Employee Importance C++ Hash Table, Depth-first Search, Breadth-first Search Easy 53.9% 382 375
687 Longest Univalue Path C++ Tree, Recursion Easy 33.6% 939 214
684 Redundant Connection C++ Tree, Union Find, Graph Medium 51.4% 603 190
682 Baseball Game C++ Stack Easy 60.8% 302 764
680 Valid Palindrome II Python3 String Easy 34.1% 685 45
674 Longest Continuous Increasing Subsequence C++ Array Easy 44.2% 424 91
673 Number of Longest Increasing Subsequence C++ Dynamic Programming Medium 33.3% 762 55
671 Second Minimum Node In a Binary Tree C++ Tree Easy 43.5% 369 537
670 Maximum Swap Python3, C++ Array, Math Medium 39.5% 523 42
669 Trim a Binary Search Tree C++ Tree Easy 60.2% 1096 127
667 Beautiful Arrangement II Python3, C++ Array Medium 51.7% 212 512
665 Non-decreasing Array Python3, C++ Array Easy 19.5% 1010 209
662 Maximum Width of Binary Tree Python3, C++ Tree Medium 39.7% 602 95
661 Image Smoother C++ Array Easy 48.6% 177 773
657 Robot Return to Origin C++ String Easy 71.3% 685 550
654 Maximum Binary Tree C++ Tree Medium 75.8% 1047 126
653 Two Sum IV - Input is a BST C++ Tree Easy 52.3% 839 99
652 Find Duplicate Subtrees Python3, C++ Tree Medium 45.2% 728 150
650 2 Keys Keyboard Python3, C++ Dynamic Programming Medium 46.4% 648 43
649 Dota2 Senate C++ Greedy Medium 37.5% 193 151
648 Replace Words C++ Hash Table, Trie Medium 51.6% 423 104
647 Palindromic Substrings Python3, C++ String, Dynamic Programming Medium 56.7% 1306 70
646 Maximum Length of Pair Chain Python3, C++ Dynamic Programming Medium 48.5% 541 50
645 Set Mismatch Python3 Hash Table, Math Easy 40.5% 400 223
643 Maximum Average Subarray I C++ Array Easy 39.4% 442 82
638 Shopping Offers C++ Dynamic Programming, Depth-first Search Medium 48.4% 353 321
637 Average of Levels in Binary Tree C++ Tree Easy 58.5% 786 127
633 Sum of Square Numbers Python3 Math Easy 32.7% 321 217
628 Maximum Product of Three Numbers C++ Array, Math Easy 45.9% 643 253
627 Swap Salary MySQL None Easy 68.2% 291 223
623 Add One Row to Tree C++ Tree Medium 47.2% 271 97
621 Task Scheduler Python3, C++ Array, Greedy, Queue Medium 45.3% 1567 264
620 Not Boring Movies MySQL None Easy 61.9% 172 200
617 Merge Two Binary Trees C++ Tree Easy 69.9% 1753 125
611 Valid Triangle Number Python3, C++ Array Medium 44.9% 559 69
609 Find Duplicate File in System Python3, Python, C++ Hash Table, String Medium 54.8% 219 362
606 Construct String from Binary Tree C++ String, Tree Easy 51.4% 516 713
605 Can Place Flowers C++, Python3 Array Easy 30.8% 446 253
599 Minimum Index Sum of Two Lists Python3 Hash Table Easy 47.7% 340 140
596 Classes More Than 5 Students MySQL None Easy 35.4% 140 400
595 Big Countries MySQL None Easy 73.5% 354 492
594 Longest Harmonious Subsequence C++ Hash Table Easy 43.5% 393 54
590 N-ary Tree Postorder Traversal C++ Tree Easy 67.0% 263 37
589 N-ary Tree Preorder Traversal C++ Tree Easy 67.0% 206 32
581 Shortest Unsorted Continuous Subarray C++ Array Easy 29.9% 1376 66
576 Out of Boundary Paths C++ Dynamic Programming, Depth-first Search Medium 31.9% 279 107
575 Distribute Candies C++ Hash Table Easy 59.5% 277 645
572 Subtree of Another Tree C++ Tree Easy 41.6% 1150 43
566 Reshape the Matrix Python3, C++ Array Easy 58.7% 553 83
565 Array Nesting Python3, C++ Array Medium 52.3% 528 74
563 Binary Tree Tilt C++ Tree Easy 46.8% 311 703
561 Array Partition I C++ Array Easy 68.8% 547 1654
560 Subarray Sum Equals K Python3, C++ Array, Hash Table Medium 42.1% 1859 47
559 Maximum Depth of N-ary Tree C++ Tree, Depth-first Search, Breadth-first Search Easy 65.4% 330 19
557 Reverse Words in a String III C++ String Easy 63.8% 604 66
556 Next Greater Element III C++ String Medium 29.9% 343 109
551 Student Attendance Record I Golang, Python3, C++ String Easy 45.1% 142 583
547 Friend Circles C++ Depth-first Search, Union Find Medium 53.4% 974 73
543 Diameter of Binary Tree C++ Tree Easy 46.5% 1332 80
542 01 Matrix C++ Depth-first Search, Breadth-first Search Medium 35.4% 637 76
538 Convert BST to Greater Tree C++ Tree Easy 50.6% 1220 82
537 Complex Number Multiplication C++ Math, String Medium 65.4% 156 542
532 K-diff Pairs in an Array Python3, C++ Array, Two Pointers Easy 29.7% 352 767
529 Minesweeper C++ Depth-first Search, Breadth-first Search Medium 52.5% 288 301
528 Random Pick with Weight Python3 Binary Search, Random Medium 42.7% 235 400
526 Beautiful Arrangement Python3, C++ Backtracking Medium 54.4% 416 112
524 Longest Word in Dictionary through Deleting Python3, C++ Two Pointers, Sort Medium 45.5% 311 171
523 Continuous Subarray Sum C++ Math, Dynamic Programming Medium 24.2% 659 825
521 Longest Uncommon Subsequence I C++, Python3 String Easy 56.3% 203 3258
520 Detect Capital C++ String Easy 52.4% 301 193
516 Longest Palindromic Subsequence C++ Dynamic Programming Medium 46.3% 846 122
515 Find Largest Value in Each Tree Row C++ Tree, Depth-first Search, Breadth-first Search Medium 57.7% 470 43
513 Find Bottom Left Tree Value C++ Tree, Depth-first Search, Breadth-first Search Medium 58.3% 551 90
509 Fibonacci Number Python3, C++ Array Easy 66.8% 150 135
508 Most Frequent Subtree Sum C++ Hash Table, Tree Medium 54.3% 377 74
506 Relative Ranks Python, Python3, C++ None Easy 48.2% 186 357
503 Next Greater Element II C++, Python3 Stack Medium 50.9% 648 40
501 Find Mode in Binary Search Tree C++ Tree Easy 39.3% 540 205
500 Keyboard Row C++ Hash Table Easy 62.1% 387 483
496 Next Greater Element I C++ Stack Easy 59.3% 755 1238
495 Teemo Attacking C++ Array Medium 52.1% 237 491
494 Target Sum C++ Dynamic Programming, Depth-first Search Medium 45.1% 1304 64
492 Construct the Rectangle Python3, C++ None Easy 48.6% 126 199
485 Max Consecutive Ones Python3, C++ Array Easy 54.9% 352 305
476 Number Complement C++ Bit Manipulation Easy 62.3% 533 70
475 Heaters C++ Binary Search Easy 31.6% 473 498
474 Ones and Zeroes C++ Dynamic Programming Medium 39.6% 540 128
473 Matchsticks to Square C++ Depth-first Search Medium 35.9% 305 39
467 Unique Substrings in Wraparound String C++ Dynamic Programming Medium 33.8% 350 57
463 Island Perimeter C++ Hash Table Easy 60.7% 1024 80
461 Hamming Distance Python, C++ Bit Manipulation Easy 70.2% 1274 113
455 Assign Cookies Python3, C++ Greedy Easy 48.3% 302 65
452 Minimum Number of Arrows to Burst Balloons Python3, C++ Greedy Medium 46.2% 466 25
450 Delete Node in a BST C++ Tree Medium 39.8% 858 55
449 Serialize and Deserialize BST C++ Tree Medium 46.8% 578 45
448 Find All Numbers Disappeared in an Array Python3, C++, Python Array Easy 53.2% 1568 149
447 Number of Boomerangs C++ Hash Table Easy 49.7% 291 423
445 Add Two Numbers II Python3, C++ Linked List Medium 49.9% 700 90
442 Find All Duplicates in an Array Python3, C++ Array Medium 60.6% 1027 110
441 Arranging Coins C++ Math, Binary Search Easy 37.8% 190 444
438 Find All Anagrams in a String Python3, C++ Hash Table Easy 37.1% 1508 118
437 Path Sum III C++ Tree Easy 42.6% 1753 84
435 Non-overlapping Intervals Python3, C++ Greedy Medium 41.5% 458 19
430 Flatten a Multilevel Doubly Linked List C++ Linked List, Depth-first Search Medium 41.8% 307 51
429 N-ary Tree Level Order Traversal C++ Tree, Breadth-first Search Easy 59.1% 222 26
419 Battleships in a Board C++ None Medium 65.6% 411 326
416 Partition Equal Subset Sum C++ Dynamic Programming Medium 40.4% 1168 31
415 Add Strings Python3, C++, Python String Easy 43.5% 386 134
414 Third Maximum Number Python3, C++ Array Easy 28.9% 363 653
413 Arithmetic Slices Python3, C++ Math, Dynamic Programming Medium 55.7% 569 112
412 Fizz Buzz Python3 None Easy 59.4% 502 745
409 Longest Palindrome C++ Hash Table Easy 47.9% 488 52
404 Sum of Left Leaves C++ Tree Easy 49.0% 634 70
401 Binary Watch C++ Backtracking, Bit Manipulation Easy 45.3% 350 591
398 Random Pick Index Python3 Reservoir Sampling Medium 49.7% 251 451
394 Decode String Python3 Stack, Depth-first Search Medium 44.6% 1390 81
392 Is Subsequence C++ Binary Search, Dynamic Programming, Greedy Medium 46.6% 531 123
389 Find the Difference C++ Hash Table, Bit Manipulation Easy 52.9% 477 223
380 Insert Delete GetRandom O(1) Python3, C++ Array, Hash Table, Design Medium 42.6% 1036 81
378 Kth Smallest Element in a Sorted Matrix Python3, C++ Binary Search, Heap Medium 49.2% 1118 83
376 Wiggle Subsequence Python3, C++ Dynamic Programming, Greedy Medium 37.3% 508 43
374 Guess Number Higher or Lower C++ Binary Search Easy 39.2% 219 1109
371 Sum of Two Integers C++ Bit Manipulation Easy 51.0% 734 1261
368 Largest Divisible Subset C++ Math, Dynamic Programming Medium 34.7% 509 25
367 Valid Perfect Square C++ Math, Binary Search Easy 39.7% 434 100
357 Count Numbers with Unique Digits C++ Math, Dynamic Programming, Backtracking Medium 46.8% 224 591
350 Intersection of Two Arrays II C++ Hash Table, Two Pointers, Binary Search, Sort Easy 47.5% 662 238
349 Intersection of Two Arrays C++, Python3 Hash Table, Two Pointers, Binary Search, Sort Easy 54.2% 382 767
347 Top K Frequent Elements Python3, C++ Hash Table, Heap Medium 54.5% 1456 91
345 Reverse Vowels of a String Python3 Two Pointers, String Easy 41.3% 372 668
344 Reverse String C++ Two Pointers, String Easy 63.1% 725 470
343 Integer Break Python3, C++ Math, Dynamic Programming Medium 47.6% 542 159
338 Counting Bits C++ Dynamic Programming, Bit Manipulation Medium 64.5% 1291 99
337 House Robber III C++ Tree, Depth-first Search Medium 47.9% 1427 29
328 Odd Even Linked List C++ Linked List Medium 48.9% 702 218
326 Power of Three Python3, C++ Math Easy 41.6% 259 986
322 Coin Change C++ Dynamic Programming Medium 30.1% 1644 71
309 Best Time to Buy and Sell Stock with Cooldown C++ Dynamic Programming Medium 43.9% 1256 44
307 Range Sum Query - Mutable Python3, C++ Binary Indexed Tree, Segment Tree Medium 28.3% 664 57
306 Additive Number C++ Backtracking Medium 28.3% 195 286
304 Range Sum Query 2D - Immutable C++ Dynamic Programming Medium 32.0% 422 108
303 Range Sum Query - Immutable Python3, C++ Dynamic Programming Easy 37.6% 429 735
300 Longest Increasing Subsequence Python3, C++, Python Binary Search, Dynamic Programming Medium 40.6% 2393 56
289 Game of Life Python3, C++ Array Medium 44.9% 822 168
287 Find the Duplicate Number Python3, C++ Array, Two Pointers, Binary Search Medium 49.3% 2341 256
283 Move Zeroes Python3, C++, Python Array, Two Pointers Easy 54.1% 1943 72
279 Perfect Squares C++, Python3 Math, Dynamic Programming, Breadth-first Search Medium 41.7% 1374 113
278 First Bad Version C++ Binary Search Easy 29.7% 605 393
268 Missing Number C++ Array, Math, Bit Manipulation Easy 48.2% 855 1290
260 Single Number III Python3, C++ Bit Manipulation Medium 56.8% 809 72
258 Add Digits Python3, C++, Python Math Easy 53.9% 428 764
257 Binary Tree Paths Python3, C++ Tree, Depth-first Search Easy 45.7% 832 65
242 Valid Anagram Python3, C++ Hash Table, Sort Easy 51.9% 669 98
240 Search a 2D Matrix II Python3 Binary Search, Divide and Conquer Medium 40.7% 1425 41
238 Product of Array Except Self Python3, C++ Array Medium 54.7% 2144 175
237 Delete Node in a Linked List C++ Linked List Easy 53.1% 691 3274
235 Lowest Common Ancestor of a Binary Search Tree C++ Tree Easy 44.3% 973 78
234 Palindrome Linked List Python3, C++ Linked List, Two Pointers Easy 35.8% 1557 231
232 Implement Queue using Stacks C++ Stack, Design Easy 43.0% 513 106
231 Power of Two Python, Python3, C++ Math, Bit Manipulation Easy 41.9% 415 117
230 Kth Smallest Element in a BST C++ Binary Search, Tree Medium 51.1% 1084 39
228 Summary Ranges C++ Array Medium 35.7% 355 349
226 Invert Binary Tree C++ Tree Easy 57.9% 1631 26
225 Implement Stack using Queues C++ Stack, Design Easy 38.9% 310 409
222 Count Complete Tree Nodes C++ Binary Search, Tree Medium 32.9% 902 120
221 Maximal Square C++ Dynamic Programming Medium 32.8% 1191 31
219 Contains Duplicate II C++ Array, Hash Table Easy 35.1% 463 573
217 Contains Duplicate C++, Python3 Array, Hash Table Easy 51.6% 374 491
216 Combination Sum III Python3, C++ Array, Backtracking Medium 51.2% 559 29
215 Kth Largest Element in an Array Python3, C++ Divide and Conquer, Heap Medium 47.4% 1919 160
213 House Robber II Python3, C++ Dynamic Programming Medium 35.2% 827 26
211 Add and Search Word - Data structure design C++ Backtracking, Design, Trie Medium 30.0% 791 51
210 Course Schedule II C++ Depth-first Search, Breadth-first Search, Graph, Topological Sort Medium 34.5% 882 64
209 Minimum Size Subarray Sum C++, Python3 Array, Two Pointers, Binary Search Medium 34.7% 1052 65
208 Implement Trie (Prefix Tree) C++, Python3 Design, Trie Medium 38.0% 1526 31
207 Course Schedule C++ Depth-first Search, Breadth-first Search, Graph, Topological Sort Medium 37.5% 1662 78
206 Reverse Linked List Python3, C++ Linked List Easy 54.2% 2215 61
205 Isomorphic Strings Python3 Hash Table Easy 37.2% 708 199
204 Count Primes C++ Hash Table, Math Easy 28.8% 992 385
203 Remove Linked List Elements C++ Linked List Easy 35.7% 785 45
202 Happy Number Python3 Hash Table, Math Easy 45.0% 825 201
200 Number of Islands Python3, C++ Depth-first Search, Breadth-first Search, Union Find Medium 41.2% 2481 90
199 Binary Tree Right Side View C++ Tree, Depth-first Search, Breadth-first Search Medium 47.6% 987 43
198 House Robber Python3, C++ Dynamic Programming Easy 40.9% 2397 72
197 Rising Temperature MySQL None Easy 34.5% 223 94
196 Delete Duplicate Emails MySQL None Easy 32.2% 262 311
191 Number of 1 Bits C++ Bit Manipulation Easy 42.9% 411 368
189 Rotate Array C++ Array Easy 29.8% 1244 584
183 Customers Who Never Order MySQL None Easy 44.3% 219 27
182 Duplicate Emails MySQL None Easy 54.1% 267 16
181 Employees Earning More Than Their Managers MySQL None Easy 47.8% 334 36
175 Combine Two Tables MySQL None Easy 51.1% 633 89
173 Binary Search Tree Iterator C++ Stack, Tree, Design Medium 48.3% 1286 237
169 Majority Element Python3, C++ Array, Divide and Conquer, Bit Manipulation Easy 52.3% 1566 138
167 Two Sum II - Input array is sorted Python3, C++ Array, Two Pointers, Binary Search Easy 50.1% 854 360
160 Intersection of Two Linked Lists Python, C++ Linked List Easy 33.5% 2007 165
155 Min Stack Python3, C++ Stack, Design Easy 36.7% 1690 179
153 Find Minimum in Rotated Sorted Array C++, Python3 Array, Binary Search Medium 42.8% 923 154
145 Binary Tree Postorder Traversal Python3, C++ Stack, Tree Hard 48.1% 850 41
144 Binary Tree Preorder Traversal C++ Stack, Tree Medium 51.1% 734 38
143 Reorder List C++ Linked List Medium 30.5% 827 63
142 Linked List Cycle II C++ Linked List, Two Pointers Medium 31.8% 1346 98
141 Linked List Cycle C++, Python Linked List, Two Pointers Easy 36.6% 1475 157
139 Word Break C++ Dynamic Programming Medium 35.1% 2092 116
138 Copy List with Random Pointer C++, Python Hash Table, Linked List Medium 26.8% 1490 413
136 Single Number Python3, C++, Python Hash Table, Bit Manipulation Easy 59.8% 2320 88
131 Palindrome Partitioning Python3, C++ Backtracking Medium 40.5% 860 35
130 Surrounded Regions Python3, C++ Depth-first Search, Breadth-first Search, Union Find Medium 22.6% 719 417
129 Sum Root to Leaf Numbers Python3, C++ Tree, Depth-first Search Medium 42.2% 635 23
128 Longest Consecutive Sequence C++ Array, Union Find Hard 41.5% 1756 85
127 Word Ladder Python3, C++ Breadth-first Search Medium 23.8% 1353 785
125 Valid Palindrome Python3 Two Pointers, String Easy 30.9% 563 1643
122 Best Time to Buy and Sell Stock II Java, Python3, C++ Array, Greedy Easy 51.7% 946 1259
121 Best Time to Buy and Sell Stock Python3, C++ Array, Dynamic Programming Easy 47.0% 2494 118
120 Triangle C++ Array, Dynamic Programming Medium 39.1% 1059 114
119 Pascal's Triangle II C++ Array Easy 43.2% 454 160
118 Pascal's Triangle C++ Array Easy 45.6% 673 76
117 Populating Next Right Pointers in Each Node II C++ Tree, Depth-first Search Medium 34.1% 822 113
116 Populating Next Right Pointers in Each Node C++, C, Python Tree, Depth-first Search Medium 37.6% 962 80
114 Flatten Binary Tree to Linked List C++ Tree, Depth-first Search Medium 42.0% 1397 179
113 Path Sum II C++ Tree, Depth-first Search Medium 40.3% 846 32
112 Path Sum C++ Tree, Depth-first Search Easy 37.6% 885 289
111 Minimum Depth of Binary Tree C++ Tree, Depth-first Search, Breadth-first Search Easy 35.2% 688 368
110 Balanced Binary Tree C++ Tree, Depth-first Search Easy 40.8% 1175 101
109 Convert Sorted List to Binary Search Tree C++ Linked List, Depth-first Search Medium 40.5% 936 67
108 Convert Sorted Array to Binary Search Tree C++ Tree, Depth-first Search Easy 50.4% 1077 105
107 Binary Tree Level Order Traversal II C++ Tree, Breadth-first Search Easy 46.5% 704 131
106 Construct Binary Tree from Inorder and Postorder Traversal Python3, C++ Array, Tree, Depth-first Search Medium 38.9% 819 18
105 Construct Binary Tree from Preorder and Inorder Traversal C++ Array, Tree, Depth-first Search Medium 40.7% 1638 44
104 Maximum Depth of Binary Tree C++ Tree, Depth-first Search Easy 60.2% 1253 49
103 Binary Tree Zigzag Level Order Traversal C++ Stack, Tree, Breadth-first Search Medium 41.4% 911 58
102 Binary Tree Level Order Traversal C++ Tree, Breadth-first Search Medium 48.1% 1414 34
101 Symmetric Tree C++ Tree, Depth-first Search, Breadth-first Search Easy 43.3% 2130 45
100 Same Tree Python3, C++ Tree, Depth-first Search Easy 49.9% 1092 32
98 Validate Binary Search Tree C++, Python3 Tree, Depth-first Search Medium 25.6% 1837 276
96 Unique Binary Search Trees Python3, C++ Dynamic Programming, Tree Medium 45.9% 1623 64
95 Unique Binary Search Trees II C++ Dynamic Programming, Tree Medium 35.5% 1152 108
94 Binary Tree Inorder Traversal C++ Hash Table, Stack, Tree Medium 56.3% 1535 66
93 Restore IP Addresses Python3, C++ String, Backtracking Medium 31.3% 638 250
92 Reverse Linked List II C++ Linked List Medium 34.7% 1132 84
91 Decode Ways Python3 String, Dynamic Programming Medium 22.2% 1324 1530
90 Subsets II Python3, C++ Array, Backtracking Medium 42.2% 834 45
89 Gray Code C++ Backtracking Medium 45.5% 358 1131
88 Merge Sorted Array Python3, C++ Array, Two Pointers Easy 35.5% 1048 2689
86 Partition List C++ Linked List, Two Pointers Medium 37.0% 626 171
83 Remove Duplicates from Sorted List Python3, C++ Linked List Easy 42.4% 726 78
82 Remove Duplicates from Sorted List II C++ Linked List Medium 32.8% 783 70
79 Word Search Python3, C++ Array, Backtracking Medium 31.0% 1668 80
78 Subsets Python3, C++ Array, Backtracking, Bit Manipulation Medium 52.4% 1810 49
77 Combinations Python3, C++ Backtracking Medium 47.2% 742 41
75 Sort Colors Python3, C++ Array, Two Pointers, Sort Medium 42.0% 1554 148
74 Search a 2D Matrix Python3, C++ Array, Binary Search Medium 34.8% 789 96
73 Set Matrix Zeroes C++ Array Medium 39.6% 990 189
71 Simplify Path C++ String, Stack Medium 28.6% 408 1140
70 Climbing Stairs Python3, C++ Dynamic Programming Easy 44.0% 2074 77
69 Sqrt(x) C++ Math, Binary Search Easy 31.2% 724 1313
66 Plus One C++, Python3 Array Easy 41.1% 830 1481
64 Minimum Path Sum Python3, C++ Array, Dynamic Programming Medium 46.5% 1285 37
63 Unique Paths II C++ Array, Dynamic Programming Medium 33.4% 820 107
62 Unique Paths Python3, C++ Array, Dynamic Programming Medium 47.3% 1482 104
61 Rotate List C++ Linked List, Two Pointers Medium 27.0% 571 798
60 Permutation Sequence C++ Math, Backtracking Medium 32.9% 787 212
59 Spiral Matrix II Python3, C++ Array Medium 46.2% 420 79
58 Length of Last Word Python3, C++ String Easy 32.2% 355 1482
56 Merge Intervals C++, Python3 Array, Sort Medium 35.5% 1955 149
55 Jump Game C++, Python3 Array, Greedy Medium 31.8% 1815 190
54 Spiral Matrix Python3, C++ Array Medium 30.2% 1019 398
53 Maximum Subarray C++ Array, Divide and Conquer, Dynamic Programming Easy 43.4% 4105 140
52 N-Queens II C++ Backtracking Hard 51.6% 250 106
51 N-Queens C++ Backtracking Hard 38.8% 866 42
49 Group Anagrams C++ Hash Table, String Medium 46.3% 1549 108
48 Rotate Image C++ Array Medium 48.1% 1479 145
47 Permutations II Python3, C++ Backtracking Medium 40.2% 941 42
46 Permutations Python3, C++ Backtracking Medium 54.7% 1893 57
40 Combination Sum II Python3, C++ Array, Backtracking Medium 41.2% 795 42
39 Combination Sum Python3, C++ Array, Backtracking Medium 48.0% 1882 56
37 Sudoku Solver C++ Hash Table, Backtracking Hard 36.5% 819 56
36 Valid Sudoku C++ Hash Table Medium 42.7% 803 290
35 Search Insert Position C++ Array, Binary Search Easy 40.7% 1250 171
34 Find First and Last Position of Element in Sorted Array C++ Array, Binary Search Medium 33.4% 1492 83
33 Search in Rotated Sorted Array C++, Python3 Array, Binary Search Medium 32.8% 2293 304
31 Next Permutation Python3, C++ Array Medium 30.4% 1675 515
27 Remove Element C++ Array, Two Pointers Easy 44.3% 796 1713
26 Remove Duplicates from Sorted Array C++, Python3 Array, Two Pointers Easy 40.4% 1465 3139
25 Reverse Nodes in k-Group C++ Linked List Hard 36.1% 1106 242
24 Swap Nodes in Pairs Python3, C++ Linked List Medium 44.3% 1070 96
22 Generate Parentheses C++ String, Backtracking Medium 54.5% 2633 164
21 Merge Two Sorted Lists C++ Linked List Easy 46.9% 2149 304
20 Valid Parentheses C++ String, Stack Easy 36.4% 2819 139
19 Remove Nth Node From End of List Python3, C++ Linked List, Two Pointers Medium 34.2% 1714 128
18 4Sum Python3, C++ Array, Hash Table, Two Pointers Medium 30.3% 1004 203
17 Letter Combinations of a Phone Number Python3, C++ String, Backtracking Medium 41.3% 2076 286
16 3Sum Closest Python3, C++ Array, Two Pointers Medium 45.0% 1042 81
15 3Sum Python3, C++ Array, Two Pointers Medium 23.9% 3638 399
13 Roman to Integer C++ Math, String Easy 52.2% 1196 2571
11 Container With Most Water Python3, C++ Array, Two Pointers Medium 44.0% 3116 424
9 Palindrome Number Python3, C++ Math Easy 43.0% 1366 1276
5 Longest Palindromic Substring C++ String, Dynamic Programming Medium 27.1% 3466 338
2 Add Two Numbers C++ Linked List, Math Medium 31.0% 5030 1283
1 Two Sum Golang, Python3, C++ Array, Hash Table Easy 43.7% 10559 348

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