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Problems

113 problems

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Array447String249Hash Table190Math173Database113Sorting100Simulation93Counting70Two Pointers70Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · 113 results

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TitleSolutionAcceptDifficultyTopics
1484. Group Sold Products By The DateVideo
Solution78.5%Easy
Database· 3 companies
1495. Friendly Movies Streamed Last MonthVideoPremium
Solution49.0%Easy
Database· 1 company
1511. Customer Order FrequencyVideoPremium
Solution66.2%Easy
Database· 1 company
1517. Find Users With Valid E-MailsVideo
Solution35.2%Easy
Database· 4 companies
1527. Patients With a ConditionVideo
Solution39.5%Easy
Database· 3 companies
1543. Fix Product Name FormatVideoPremium
Solution59.1%Easy
Database
1565. Unique Orders and Customers Per MonthVideoPremium
Solution82.1%Easy
Database
1571. Warehouse ManagerVideoPremium
Solution87.5%Easy
Database· 1 company
1581. Customer Who Visited but Did Not Make Any TransactionsVideo
Solution68.9%Easy
Database· 7 companies
1587. Bank Account Summary IIVideo
Solution83.4%Easy
Database· 1 company
1607. Sellers With No SalesVideoPremium
Solution54.4%Easy
Database
1623. All Valid Triplets That Can Represent a CountryVideoPremium
Solution80.8%Easy
Database· 1 company
1633. Percentage of Users Attended a ContestVideo
Solution61.5%Easy
Database· 7 companies
1661. Average Time of Process per MachineVideo
Solution67.1%Easy
Database· 7 companies
1667. Fix Names in a TableVideo
Solution60.8%Easy
Database· 5 companies
1677. Product's Worth Over InvoicesVideoPremium
Solution38.2%Easy
Database
1683. Invalid TweetsVideo
Solution85.6%Easy
Database· 7 companies
1693. Daily Leads and PartnersVideo
Solution86.6%Easy
Database· 3 companies
1729. Find Followers CountVideo
Solution69.3%Easy
Database· 5 companies
1731. The Number of Employees Which Report to Each EmployeeVideo
Solution54.1%Easy
Database· 5 companies
1741. Find Total Time Spent by Each EmployeeVideo
Solution86.9%Easy
Database· 3 companies
1757. Recyclable and Low Fat ProductsVideo
Solution88.7%Easy
Database· 6 companies
1777. Product's Price for Each StoreVideoPremium
Solution82.3%Easy
Database· 2 companies
1789. Primary Department for Each EmployeeVideo
Solution75.8%Easy
Database· 5 companies
1795. Rearrange Products TableVideo
Solution85.4%Easy
Database· 3 companies
1809. Ad-Free SessionsVideoPremium
Solution58.6%Easy
Database· 1 company
1821. Find Customers With Positive Revenue this YearVideoPremium
Solution87.7%Easy
Database· 1 company
1853. Convert Date FormatVideoPremium
Solution84.6%Easy
Database
1873. Calculate Special BonusVideo
Solution57.5%Easy
Database· 1 company
1890. The Latest Login in 2020Video
Solution77.4%Easy
Database· 1 company
1939. Users That Actively Request Confirmation MessagesVideoPremium
Solution56.4%Easy
Database
1965. Employees With Missing InformationVideo
Solution73.7%Easy
Database
1978. Employees Whose Manager Left the CompanyVideo
Solution48.9%Easy
Database· 4 companies
2026. Low-Quality ProblemsVideoPremium
Solution83.8%Easy
Database
2072. The Winner UniversityVideoPremium
Solution75.4%Easy
Database· 1 company
2082. The Number of Rich CustomersVideoPremium
Solution77.3%Easy
Database· 1 company
2205. The Number of Users That Are Eligible for DiscountVideoPremium
Solution50.3%Easy
Database· 1 company
2230. The Users That Are Eligible for DiscountVideoPremium
Solution51.0%Easy
Database· 1 company
2329. Product Sales Analysis VVideoPremium
Solution70.9%Easy
Database· 1 company
2339. All the Matches of the LeagueVideoPremium
Solution88.0%Easy
Database· 1 company
2356. Number of Unique Subjects Taught by Each TeacherVideo
Solution89.1%Easy
Database· 4 companies
2377. Sort the Olympic TableVideoPremium
Solution79.1%Easy
Database
2480. Form a Chemical BondVideoPremium
Solution80.3%Easy
Database
2504. Concatenate the Name and the ProfessionVideoPremium
Solution80.6%Easy
Database
2668. Find Latest SalariesVideoPremium
Solution75.0%Easy
Database
2669. Count Artist Occurrences On Spotify Ranking ListVideoPremium
Solution74.2%Easy
Database
2687. Bikes Last Time Used VideoPremium
Solution80.6%Easy
Database
2837. Total Traveled DistanceVideoPremium
Solution76.7%Easy
Database
2853. Highest Salaries DifferenceVideoPremium
Solution73.5%Easy
Database
2985. Calculate Compressed MeanVideoPremium
Solution85.9%Easy
Database· 1 company
Showing 51–100 of 113