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Problems

4,005 problems

Has videoPremium onlyReset
Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 4,005 results

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TitleSolutionAcceptDifficultyTopics
899. Orderly QueueVideo
Solution67.4%Hard
Math, Sorting +1· 2 companies
900. RLE IteratorVideo
Solution59.6%Medium
Array, Counting +2· 2 companies
901. Online Stock SpanVideo
Solution69.5%Medium
Data Stream, Design +2· 7 companies
902. Numbers At Most N Given Digit SetVideo
Solution45.9%Hard
Array, Binary Search +3· 4 companies
903. Valid Permutations for DI SequenceVideo
Solution56.9%Hard
Dynamic Programming, Prefix Sum +1
904. Fruit Into BasketsVideo
Solution52.5%Medium
Array, Hash Table +1· 11 companies
905. Sort Array By ParityVideo
Solution76.2%Easy
Array, Sorting +1· 8 companies
906. Super PalindromesVideo
Solution40.5%Hard
Enumeration, Math· 1 company
907. Sum of Subarray MinimumsVideo
Solution39.0%Medium
Array, Dynamic Programming +2· 13 companies
908. Smallest Range IVideo
Solution74.0%Easy
Array, Math· 3 companies
909. Snakes and LaddersVideo
Solution48.0%Medium
Array, Breadth-First Search +1· 12 companies
910. Smallest Range IIVideo
Solution38.4%Medium
Array, Greedy +2· 3 companies
911. Online ElectionVideo
Solution52.8%Medium
Array, Binary Search +2· 3 companies
912. Sort an ArrayVideo
Solution55.9%Medium
Array, Bucket Sort +6· 12 companies
913. Cat and MouseVideo
Solution36.2%Hard
Dynamic Programming, Game Theory +4· 3 companies
914. X of a Kind in a Deck of CardsVideo
Solution30.4%Easy
Array, Counting +3· 2 companies
915. Partition Array into Disjoint IntervalsVideo
Solution49.4%Medium
Array· 2 companies
916. Word SubsetsVideo
Solution55.9%Medium
Array, Hash Table +1· 6 companies
917. Reverse Only LettersVideo
Solution68.9%Easy
String, Two Pointers· 5 companies
918. Maximum Sum Circular SubarrayVideo
Solution51.5%Medium
Array, Divide and Conquer +3· 12 companies
919. Complete Binary Tree InserterVideo
Solution65.0%Medium
Binary Tree, Breadth-First Search +2· 3 companies
920. Number of Music PlaylistsVideo
Solution60.3%Hard
Combinatorics, Dynamic Programming +1· 2 companies
921. Minimum Add to Make Parentheses ValidVideo
Solution74.7%Medium
Greedy, Stack +1· 7 companies
922. Sort Array By Parity IIVideo
Solution71.4%Easy
Array, Sorting +1· 6 companies
923. 3Sum With MultiplicityVideo
Solution46.2%Medium
Array, Counting +3· 4 companies
924. Minimize Malware SpreadVideo
Solution43.6%Hard
Array, Breadth-First Search +4· 10 companies
925. Long Pressed NameVideo
Solution32.8%Easy
String, Two Pointers· 7 companies
926. Flip String to Monotone IncreasingVideo
Solution61.5%Medium
Dynamic Programming, String· 5 companies
927. Three Equal PartsVideo
Solution41.9%Hard
Array, Math· 2 companies
928. Minimize Malware Spread IIVideo
Solution46.2%Hard
Array, Breadth-First Search +4· 2 companies
929. Unique Email AddressesVideo
Solution67.9%Easy
Array, Hash Table +1· 5 companies
930. Binary Subarrays With SumVideo
Solution69.7%Medium
Array, Hash Table +2· 7 companies
931. Minimum Falling Path SumVideo
Solution60.8%Medium
Array, Dynamic Programming +1· 8 companies
932. Beautiful ArrayVideo
Solution70.7%Medium
Array, Divide and Conquer +1· 4 companies
933. Number of Recent CallsVideo
Solution78.9%Easy
Data Stream, Design +1· 9 companies
934. Shortest BridgeVideo
Solution59.9%Medium
Array, Breadth-First Search +2· 16 companies
935. Knight DialerVideo
Solution61.8%Medium
Dynamic Programming· 6 companies
936. Stamping The SequenceVideo
Solution62.2%Hard
Greedy, Queue +2· 1 company
937. Reorder Data in Log FilesVideo
Solution56.6%Medium
Array, Sorting +1· 4 companies
938. Range Sum of BSTVideo
Solution87.7%Easy
Binary Search Tree, Binary Tree +2· 6 companies
939. Minimum Area RectangleVideo
Solution55.4%Medium
Array, Geometry +3· 8 companies
940. Distinct Subsequences IIVideo
Solution56.7%Hard
Dynamic Programming, String· 2 companies
941. Valid Mountain ArrayVideo
Solution35.7%Easy
Array· 7 companies
942. DI String MatchVideo
Solution81.0%Easy
Array, Greedy +2· 3 companies
943. Find the Shortest SuperstringVideo
Solution45.8%Hard
Array, Bit Manipulation +3· 2 companies
944. Delete Columns to Make SortedVideo
Solution78.1%Easy
Array, String· 4 companies
945. Minimum Increment to Make Array UniqueVideo
Solution60.7%Medium
Array, Counting +2· 7 companies
946. Validate Stack SequencesVideo
Solution70.8%Medium
Array, Simulation +1· 6 companies
947. Most Stones Removed with Same Row or ColumnVideo
Solution63.4%Medium
Depth-First Search, Graph +2· 10 companies
948. Bag of TokensVideo
Solution59.5%Medium
Array, Greedy +2· 4 companies
Showing 901–950 of 4,005