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Problems

703 problems

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Array274Database207String109Hash Table105Depth-First Search75Math70Dynamic Programming69Sorting61Tree60Breadth-First Search51Binary Tree47Greedy47Binary Search46Matrix38Two Pointers37All topics

With video · Premium · 703 results

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TitleSolutionAcceptDifficultyTopics
555. Split Concatenated StringsVideoPremium
Solution43.4%Medium
Array, Greedy +1· 1 company
562. Longest Line of Consecutive One in MatrixVideoPremium
Solution50.5%Medium
Array, Dynamic Programming +1· 1 company
568. Maximum Vacation DaysVideoPremium
Solution46.7%Hard
Array, Dynamic Programming +1· 3 companies
569. Median Employee SalaryVideoPremium
Solution65.9%Hard
Database· 2 companies
571. Find Median Given Frequency of NumbersVideoPremium
Solution42.4%Hard
Database· 1 company
573. Squirrel SimulationVideoPremium
Solution57.1%Medium
Array, Math· 1 company
574. Winning CandidateVideoPremium
Solution62.8%Medium
Database
578. Get Highest Answer Rate QuestionVideoPremium
Solution40.2%Medium
Database· 1 company
579. Find Cumulative Salary of an EmployeeVideoPremium
Solution49.6%Hard
Database· 1 company
580. Count Student Number in DepartmentsVideoPremium
Solution60.1%Medium
Database· 1 company
582. Kill ProcessVideoPremium
Solution70.4%Medium
Array, Breadth-First Search +3· 4 companies
588. Design In-Memory File SystemVideoPremium
Solution48.0%Hard
Design, Hash Table +3· 16 companies
597. Friend Requests I: Overall Acceptance RateVideoPremium
Solution41.0%Easy
Database· 1 company
603. Consecutive Available SeatsVideoPremium
Solution64.9%Easy
Database
604. Design Compressed String IteratorVideoPremium
Solution40.5%Easy
Array, Design +2· 1 company
612. Shortest Distance in a PlaneVideoPremium
Solution61.3%Medium
Database· 1 company
613. Shortest Distance in a LineVideoPremium
Solution80.0%Easy
Database
614. Second Degree FollowerVideoPremium
Solution41.0%Medium
Database
615. Average Salary: Departments VS CompanyVideoPremium
Solution56.2%Hard
Database
616. Add Bold Tag in StringVideoPremium
Solution51.4%Medium
Array, Hash Table +3· 4 companies
618. Students Report By GeographyVideoPremium
Solution63.5%Hard
Database
625. Minimum FactorizationVideoPremium
Solution34.2%Medium
Greedy, Math· 1 company
631. Design Excel Sum FormulaVideoPremium
–39.3%Hard
Array, Design +3· 9 companies
634. Find the Derangement of An ArrayVideoPremium
Solution41.9%Medium
Dynamic Programming, Math· 1 company
635. Design Log Storage SystemVideoPremium
Solution59.8%Medium
Design, Hash Table +2· 4 companies
642. Design Search Autocomplete SystemVideoPremium
Solution49.9%Hard
Data Stream, Depth-First Search +5· 12 companies
644. Maximum Average Subarray IIVideoPremium
Solution37.7%Hard
Array, Binary Search +1· 1 company
651. 4 Keys KeyboardVideoPremium
Solution56.5%Medium
Dynamic Programming, Math· 2 companies
656. Coin PathVideoPremium
Solution34.2%Hard
Array, Dynamic Programming· 1 company
660. Remove 9VideoPremium
–57.3%Hard
Math· 1 company
663. Equal Tree PartitionVideoPremium
Solution42.3%Medium
Binary Tree, Depth-First Search +1· 1 company
666. Path Sum IVVideoPremium
Solution62.5%Medium
Array, Binary Tree +3· 1 company
681. Next Closest TimeVideoPremium
Solution46.8%Medium
Backtracking, Enumeration +2· 1 company
683. K Empty SlotsVideoPremium
Solution38.0%Hard
Array, Binary Indexed Tree +6· 1 company
694. Number of Distinct IslandsVideoPremium
Solution62.8%Medium
Breadth-First Search, Depth-First Search +3· 12 companies
702. Search in a Sorted Array of Unknown SizeVideoPremium
Solution73.1%Medium
Array, Binary Search +1· 1 company
708. Insert into a Sorted Circular Linked ListVideoPremium
Solution38.5%Medium
Linked List· 4 companies
711. Number of Distinct Islands IIVideoPremium
Solution55.3%Hard
Breadth-First Search, Depth-First Search +3· 2 companies
716. Max StackVideoPremium
Solution45.9%Hard
Design, Doubly-Linked List +3· 10 companies
723. Candy CrushVideoPremium
Solution77.6%Medium
Array, Matrix +2· 11 companies
727. Minimum Window SubsequenceVideoPremium
Solution43.5%Hard
Dynamic Programming, Sliding Window +1· 5 companies
734. Sentence SimilarityVideoPremium
Solution44.5%Easy
Array, Hash Table +1· 1 company
737. Sentence Similarity IIVideoPremium
Solution51.2%Medium
Array, Breadth-First Search +4· 4 companies
742. Closest Leaf in a Binary TreeVideoPremium
Solution47.4%Medium
Binary Tree, Breadth-First Search +2· 3 companies
750. Number Of Corner RectanglesVideoPremium
Solution67.8%Medium
Array, Dynamic Programming +2· 1 company
751. IP to CIDRVideoPremium
–53.7%Medium
Bit Manipulation, String· 4 companies
755. Pour WaterVideoPremium
Solution49.1%Medium
Array, Simulation· 2 companies
758. Bold Words in StringVideoPremium
Solution53.2%Medium
Array, Hash Table +3· 1 company
759. Employee Free TimeVideoPremium
Solution72.9%Hard
Array, Heap (Priority Queue) +1· 12 companies
760. Find Anagram MappingsVideoPremium
Solution83.8%Easy
Array, Hash Table· 1 company
Showing 101–150 of 703