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Simulation Array301 Database212 Hash Table116 String116 Depth-First Search78 Math78 Dynamic Programming76 Sorting64 Tree63 Breadth-First Search53 Greedy52 Binary Search50 Binary Tree48 Two Pointers40 Matrix39 All topics

Premium · 17 results

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TitleSolutionAcceptDifficultyTopics

157. Read N Characters Given Read4VideoPremium

Solution42.5%Easy

Array, Interactive +1· 3 companies

158. Read N Characters Given read4 II - Call Multiple TimesVideoPremium

Solution43.2%Hard

Array, Interactive +1· 5 companies

348. Design Tic-Tac-ToeVideoPremium

Solution58.8%Medium

Array, Design +3· 13 companies

353. Design Snake GameVideoPremium

Solution40.0%Medium

Array, Design +3· 10 companies

544. Output Contest MatchesVideoPremium

Solution77.3%Medium

Recursion, Simulation +1· 1 company

723. Candy CrushVideoPremium

Solution77.6%Medium

Array, Matrix +2· 11 companies

755. Pour WaterVideoPremium

Solution49.1%Medium

Array, Simulation· 2 companies

1243. Array TransformationVideoPremium

Solution53.6%Easy

Array, Simulation· 1 company

2061. Number of Spaces Cleaning Robot CleanedVideoPremium

Solution64.3%Medium

Array, Matrix +1· 2 companies

2534. Time Taken to Cross the DoorVideoPremium

Solution50.1%Hard

Array, Queue +1· 3 companies

3237. Alt and Tab SimulationVideoPremium

Solution54.3%Medium

Array, Hash Table +1

3279. Maximum Total Area Occupied by PistonsVideoPremium

Solution41.3%Hard

Array, Counting +4

3400. Maximum Number of Matching Indices After Right ShiftsVideoPremium

Solution85.3%Medium

Array, Simulation +1

3581. Count Odd Letters from NumberVideoPremium

Solution85.1%Easy

Counting, Hash Table +2

3616. Number of Student ReplacementsVideoPremium

Solution85.1%Medium

Array, Simulation

3687. Library Late Fee CalculatorVideoPremium

Solution94.4%Easy

Array, Simulation

3792. Sum of Increasing Product BlocksPremium

Solution69.0%Medium

Math, Simulation

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