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Problems

1,212 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 1,212 results

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TitleSolutionAcceptDifficultyTopics
528. Random Pick with WeightVideo
Solution49.0%Medium
Array, Binary Search +3· 26 companies
529. MinesweeperVideo
Solution68.7%Medium
Array, Breadth-First Search +2· 9 companies
531. Lonely Pixel IVideoPremium
Solution62.3%Medium
Array, Hash Table +1· 1 company
532. K-diff Pairs in an ArrayVideo
Solution46.3%Medium
Array, Binary Search +3· 8 companies
533. Lonely Pixel IIVideoPremium
Solution48.7%Medium
Array, Hash Table +1· 1 company
539. Minimum Time DifferenceVideo
Solution62.7%Medium
Array, Math +2· 9 companies
540. Single Element in a Sorted ArrayVideo
Solution59.3%Medium
Array, Binary Search· 19 companies
542. 01 MatrixVideo
Solution54.7%Medium
Array, Breadth-First Search +2· 14 companies
553. Optimal DivisionVideo
Solution64.0%Medium
Array, Dynamic Programming +1· 1 company
554. Brick WallVideo
Solution56.1%Medium
Array, Hash Table· 5 companies
555. Split Concatenated StringsVideoPremium
Solution43.4%Medium
Array, Greedy +1· 1 company
560. Subarray Sum Equals KVideo
Solution48.2%Medium
Array, Hash Table +1· 47 companies
562. Longest Line of Consecutive One in MatrixVideoPremium
Solution50.5%Medium
Array, Dynamic Programming +1· 1 company
565. Array NestingVideo
Solution56.6%Medium
Array, Depth-First Search· 3 companies
573. Squirrel SimulationVideoPremium
Solution57.1%Medium
Array, Math· 1 company
581. Shortest Unsorted Continuous SubarrayVideo
Solution38.7%Medium
Array, Greedy +4· 9 companies
582. Kill ProcessVideoPremium
Solution70.4%Medium
Array, Breadth-First Search +3· 4 companies
609. Find Duplicate File in SystemVideo
Solution67.6%Medium
Array, Hash Table +1· 7 companies
611. Valid Triangle NumberVideo
Solution56.8%Medium
Array, Binary Search +3· 9 companies
616. Add Bold Tag in StringVideoPremium
Solution51.4%Medium
Array, Hash Table +3· 4 companies
621. Task SchedulerVideo
Solution64.0%Medium
Array, Counting +4· 24 companies
622. Design Circular QueueVideo
Solution55.4%Medium
Array, Design +2· 21 companies
624. Maximum Distance in ArraysVideo
Solution45.7%Medium
Array, Greedy· 5 companies
636. Exclusive Time of FunctionsVideo
Solution66.2%Medium
Array, Stack· 13 companies
638. Shopping OffersVideo
Solution52.9%Medium
Array, Backtracking +4· 6 companies
641. Design Circular DequeVideo
Solution65.2%Medium
Array, Design +2· 5 companies
646. Maximum Length of Pair ChainVideo
Solution62.2%Medium
Array, Dynamic Programming +2· 2 companies
648. Replace WordsVideo
Solution68.7%Medium
Array, Hash Table +2· 4 companies
654. Maximum Binary TreeVideo
Solution86.3%Medium
Array, Binary Tree +4· 3 companies
658. Find K Closest ElementsVideo
Solution50.1%Medium
Array, Binary Search +4· 18 companies
659. Split Array into Consecutive SubsequencesVideo
Solution52.7%Medium
Array, Greedy +2· 2 companies
665. Non-decreasing ArrayVideo
Solution25.5%Medium
Array· 6 companies
666. Path Sum IVVideoPremium
Solution62.5%Medium
Array, Binary Tree +3· 1 company
667. Beautiful Arrangement IIVideo
Solution61.1%Medium
Array, Math· 2 companies
673. Number of Longest Increasing SubsequenceVideo
Solution52.8%Medium
Array, Binary Indexed Tree +2· 6 companies
690. Employee ImportanceVideo
Solution69.4%Medium
Array, Breadth-First Search +3· 6 companies
695. Max Area of IslandVideo
Solution73.9%Medium
Array, Breadth-First Search +3· 20 companies
698. Partition to K Equal Sum SubsetsVideo
Solution38.6%Medium
Array, Backtracking +4· 8 companies
702. Search in a Sorted Array of Unknown SizeVideoPremium
Solution73.1%Medium
Array, Binary Search +1· 1 company
713. Subarray Product Less Than KVideo
Solution54.8%Medium
Array, Binary Search +2· 20 companies
714. Best Time to Buy and Sell Stock with Transaction FeeVideo
Solution72.4%Medium
Array, Dynamic Programming +1· 8 companies
718. Maximum Length of Repeated SubarrayVideo
Solution51.5%Medium
Array, Binary Search +4· 7 companies
720. Longest Word in DictionaryVideo
Solution55.2%Medium
Array, Hash Table +3· 3 companies
721. Accounts MergeVideo
Solution62.2%Medium
Array, Breadth-First Search +5· 17 companies
722. Remove CommentsVideo
Solution40.1%Medium
Array, String· 4 companies
723. Candy CrushVideoPremium
Solution77.6%Medium
Array, Matrix +2· 11 companies
729. My Calendar IVideo
Solution58.4%Medium
Array, Binary Search +3· 12 companies
731. My Calendar IIVideo
Solution63.3%Medium
Array, Binary Search +4· 3 companies
735. Asteroid CollisionVideo
Solution49.2%Medium
Array, Simulation +1· 32 companies
737. Sentence Similarity IIVideoPremium
Solution51.2%Medium
Array, Breadth-First Search +4· 4 companies
Showing 151–200 of 1,212