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Problems

2,237 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

2,237 results

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TitleSolutionAcceptDifficultyTopics
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
561. Array PartitionVideo
Solution82.2%Easy
Array, Counting Sort +2· 5 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
566. Reshape the MatrixVideo
Solution65.4%Easy
Array, Matrix +1· 5 companies
568. Maximum Vacation DaysVideoPremium
Solution46.7%Hard
Array, Dynamic Programming +1· 3 companies
573. Squirrel SimulationVideoPremium
Solution57.1%Medium
Array, Math· 1 company
575. Distribute CandiesVideo
Solution71.5%Easy
Array, Hash Table· 3 companies
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
587. Erect the FenceVideo
Solution53.4%Hard
Array, Geometry +1· 3 companies
594. Longest Harmonious SubsequenceVideo
Solution65.1%Easy
Array, Counting +3· 7 companies
598. Range Addition IIVideo
Solution59.1%Easy
Array, Math· 3 companies
599. Minimum Index Sum of Two ListsVideo
Solution60.8%Easy
Array, Hash Table +1· 4 companies
604. Design Compressed String IteratorVideoPremium
Solution40.5%Easy
Array, Design +2· 1 company
605. Can Place FlowersVideo
Solution28.8%Easy
Array, Greedy· 16 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
628. Maximum Product of Three NumbersVideo
Solution48.0%Easy
Array, Math +1· 15 companies
630. Course Schedule IIIVideo
Solution42.1%Hard
Array, Greedy +2· 4 companies
631. Design Excel Sum FormulaVideoPremium
–39.3%Hard
Array, Design +3· 9 companies
632. Smallest Range Covering Elements from K ListsVideo
Solution70.3%Hard
Array, Greedy +4· 10 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
643. Maximum Average Subarray IVideo
Solution49.2%Easy
Array, Sliding Window· 12 companies
644. Maximum Average Subarray IIVideoPremium
Solution37.7%Hard
Array, Binary Search +1· 1 company
645. Set MismatchVideo
Solution43.4%Easy
Array, Bit Manipulation +2· 7 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
656. Coin PathVideoPremium
Solution34.2%Hard
Array, Dynamic Programming· 1 company
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
661. Image SmootherVideo
Solution69.8%Easy
Array, Matrix· 6 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
674. Longest Continuous Increasing SubsequenceVideo
Solution52.5%Easy
Array· 5 companies
675. Cut Off Trees for Golf EventVideo
Solution36.8%Hard
Array, Breadth-First Search +2· 2 companies
679. 24 GameVideo
Solution59.4%Hard
Array, Backtracking +1· 7 companies
682. Baseball GameVideo
Solution80.8%Easy
Array, Simulation +1· 6 companies
683. K Empty SlotsVideoPremium
Solution38.0%Hard
Array, Binary Indexed Tree +6· 1 company
Showing 251–300 of 2,237