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58 problems

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DatabaseArray578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 58 results

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TitleSolutionAcceptDifficultyTopics
185. Department Top Three SalariesVideo
Solution62.1%Hard
Database· 11 companies
262. Trips and UsersVideo
Solution39.4%Hard
Database· 5 companies
569. Median Employee SalaryVideoPremium
Solution65.9%Hard
Database· 2 companies
571. Find Median Given Frequency of NumbersVideoPremium
Solution42.4%Hard
Database· 1 company
579. Find Cumulative Salary of an EmployeeVideoPremium
Solution49.6%Hard
Database· 1 company
601. Human Traffic of StadiumVideo
Solution52.4%Hard
Database· 6 companies
615. Average Salary: Departments VS CompanyVideoPremium
Solution56.2%Hard
Database
618. Students Report By GeographyVideoPremium
Solution63.5%Hard
Database
1097. Game Play Analysis VVideoPremium
Solution50.8%Hard
Database· 1 company
1127. User Purchase PlatformVideoPremium
Solution46.2%Hard
Database· 1 company
1159. Market Analysis IIVideoPremium
Solution57.4%Hard
Database· 1 company
1194. Tournament WinnersVideoPremium
Solution50.2%Hard
Database· 1 company
1225. Report Contiguous DatesVideoPremium
Solution56.9%Hard
Database· 2 companies
1336. Number of Transactions per VisitVideoPremium
Solution47.7%Hard
Database· 2 companies
1369. Get the Second Most Recent ActivityVideoPremium
Solution67.5%Hard
Database· 1 company
1384. Total Sales Amount by YearVideoPremium
Solution61.0%Hard
Database
1412. Find the Quiet Students in All ExamsVideoPremium
Solution58.0%Hard
Database
1479. Sales by Day of the WeekVideoPremium
Solution76.1%Hard
Database· 1 company
1635. Hopper Company Queries IVideoPremium
Solution47.7%Hard
Database· 1 company
1645. Hopper Company Queries IIVideoPremium
Solution39.9%Hard
Database· 1 company
1651. Hopper Company Queries IIIVideoPremium
Solution65.6%Hard
Database· 1 company
1767. Find the Subtasks That Did Not ExecuteVideoPremium
Solution78.0%Hard
Database· 1 company
1892. Page Recommendations IIVideoPremium
Solution46.0%Hard
Database· 1 company
1917. Leetcodify Friends RecommendationsVideoPremium
Solution29.0%Hard
Database· 1 company
1919. Leetcodify Similar FriendsVideoPremium
Solution43.5%Hard
Database· 1 company
1972. First and Last Call On the Same DayVideoPremium
Solution50.7%Hard
Database· 1 company
2004. The Number of Seniors and Juniors to Join the CompanyVideoPremium
Solution46.6%Hard
Database
2010. The Number of Seniors and Juniors to Join the Company IIVideoPremium
Solution66.2%Hard
Database
2118. Build the EquationVideoPremium
Solution57.3%Hard
Database
2153. The Number of Passengers in Each Bus IIVideoPremium
Solution40.6%Hard
Database
2173. Longest Winning StreakVideoPremium
Solution54.7%Hard
Database· 1 company
2199. Finding the Topic of Each PostVideoPremium
Solution50.6%Hard
Database· 1 company
2252. Dynamic Pivoting of a TablePremium
Solution57.8%Hard
Database
2253. Dynamic Unpivoting of a TablePremium
Solution69.8%Hard
Database
2362. Generate the InvoiceVideoPremium
Solution76.4%Hard
Database
2474. Customers With Strictly Increasing PurchasesVideoPremium
Solution50.5%Hard
Database· 1 company
2494. Merge Overlapping Events in the Same HallVideoPremium
Solution38.3%Hard
Database
2701. Consecutive Transactions with Increasing AmountsVideoPremium
Solution35.4%Hard
Database
2720. Popularity PercentageVideoPremium
Solution53.5%Hard
Database
2752. Customers with Maximum Number of Transactions on Consecutive DaysVideoPremium
Solution42.5%Hard
Database
2991. Top Three Wineries VideoPremium
Solution54.0%Hard
Database· 1 company
2994. Friday Purchases II VideoPremium
Solution73.8%Hard
Database
2995. Viewers Turned StreamersVideoPremium
Solution43.4%Hard
Database· 2 companies
3052. Maximize ItemsVideoPremium
Solution74.4%Hard
Database· 1 company
3057. Employees Project AllocationVideoPremium
Solution68.4%Hard
Database
3060. User Activities within Time BoundsVideoPremium
Solution42.3%Hard
Database
3061. Calculate Trapping Rain WaterVideoPremium
Solution82.0%Hard
Database
3103. Find Trending Hashtags II VideoPremium
Solution66.2%Hard
Database
3156. Employee Task Duration and Concurrent TasksPremium
Solution39.9%Hard
Database
3188. Find Top Scoring Students IIVideoPremium
Solution40.1%Hard
Database
Showing 1–50 of 58