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Problems

137 problems

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

Medium · 137 results

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TitleSolutionAcceptDifficultyTopics
1549. The Most Recent Orders for Each ProductVideoPremium
Solution64.9%Medium
Database· 1 company
1555. Bank Account SummaryVideoPremium
Solution52.4%Medium
Database· 1 company
1596. The Most Frequently Ordered Products for Each CustomerVideoPremium
Solution77.7%Medium
Database· 1 company
1613. Find the Missing IDsVideoPremium
Solution73.0%Medium
Database· 1 company
1699. Number of Calls Between Two PersonsVideoPremium
Solution80.6%Medium
Database· 1 company
1709. Biggest Window Between VisitsVideoPremium
Solution69.6%Medium
Database
1715. Count Apples and OrangesVideoPremium
Solution75.6%Medium
Database
1747. Leetflex Banned AccountsVideoPremium
Solution61.6%Medium
Database· 1 company
1783. Grand Slam TitlesVideoPremium
Solution83.2%Medium
Database· 1 company
1811. Find Interview CandidatesVideoPremium
Solution60.8%Medium
Database· 1 company
1831. Maximum Transaction Each DayVideoPremium
Solution82.1%Medium
Database
1841. League StatisticsVideoPremium
Solution53.4%Medium
Database
1843. Suspicious Bank AccountsVideoPremium
Solution44.1%Medium
Database· 1 company
1867. Orders With Maximum Quantity Above AverageVideoPremium
Solution70.9%Medium
Database
1875. Group Employees of the Same SalaryVideoPremium
Solution65.2%Medium
Database· 1 company
1907. Count Salary CategoriesVideo
Solution65.7%Medium
Database· 5 companies
1934. Confirmation RateVideo
Solution63.0%Medium
Database· 5 companies
1949. Strong FriendshipVideoPremium
Solution54.6%Medium
Database· 2 companies
1951. All the Pairs With the Maximum Number of Common FollowersVideoPremium
Solution69.8%Medium
Database· 1 company
1988. Find Cutoff Score for Each SchoolVideoPremium
Solution66.8%Medium
Database
1990. Count the Number of ExperimentsVideoPremium
Solution49.1%Medium
Database· 1 company
2020. Number of Accounts That Did Not StreamVideoPremium
Solution72.0%Medium
Database· 1 company
2041. Accepted Candidates From the InterviewsVideoPremium
Solution78.5%Medium
Database
2051. The Category of Each Member in the StoreVideoPremium
Solution70.2%Medium
Database
2066. Account BalanceVideoPremium
Solution82.1%Medium
Database
2084. Drop Type 1 Orders for Customers With Type 0 OrdersVideoPremium
Solution86.9%Medium
Database
2112. The Airport With the Most TrafficVideoPremium
Solution71.9%Medium
Database
2142. The Number of Passengers in Each Bus IVideoPremium
Solution49.3%Medium
Database
2159. Order Two Columns IndependentlyVideoPremium
Solution62.0%Medium
Database· 1 company
2175. The Change in Global RankingsVideoPremium
Solution60.9%Medium
Database
2228. Users With Two Purchases Within Seven DaysVideoPremium
Solution47.2%Medium
Database· 1 company
2238. Number of Times a Driver Was a PassengerVideoPremium
Solution71.5%Medium
Database· 1 company
2292. Products With Three or More Orders in Two Consecutive YearsVideoPremium
Solution40.9%Medium
Database· 1 company
2298. Tasks Count in the WeekendVideoPremium
Solution81.7%Medium
Database
2308. Arrange Table by GenderVideoPremium
Solution71.2%Medium
Database
2314. The First Day of the Maximum Recorded Degree in Each CityVideoPremium
Solution73.7%Medium
Database
2324. Product Sales Analysis IVVideoPremium
Solution76.1%Medium
Database· 1 company
2346. Compute the Rank as a PercentageVideoPremium
Solution33.7%Medium
Database
2372. Calculate the Influence of Each SalespersonVideoPremium
Solution83.8%Medium
Database
2388. Change Null Values in a Table to the Previous ValueVideoPremium
Solution51.6%Medium
Database· 1 company
2394. Employees With DeductionsVideoPremium
Solution43.0%Medium
Database· 1 company
2686. Immediate Food Delivery IIIVideoPremium
Solution70.5%Medium
Database
2688. Find Active UsersVideoPremium
Solution45.2%Medium
Database
2738. Count Occurrences in TextVideoPremium
Solution54.2%Medium
Database
2783. Flight Occupancy and Waitlist AnalysisVideoPremium
Solution39.0%Medium
Database
2854. Rolling Average StepsVideoPremium
Solution69.1%Medium
Database
2893. Calculate Orders Within Each IntervalVideoPremium
Solution67.2%Medium
Database
2922. Market Analysis IIIVideoPremium
Solution42.3%Medium
Database
2978. Symmetric CoordinatesPremium
Solution40.8%Medium
Database· 1 company
2984. Find Peak Calling Hours for Each CityVideoPremium
Solution61.1%Medium
Database· 1 company
Showing 51–100 of 137