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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
175. Combine Two TablesVideo
Solution80.1%Easy
Database· 8 companies
181. Employees Earning More Than Their ManagersVideo
Solution74.0%Easy
Database· 10 companies
182. Duplicate EmailsVideo
Solution74.6%Easy
Database· 7 companies
183. Customers Who Never OrderVideo
Solution72.6%Easy
Database· 6 companies
196. Delete Duplicate EmailsVideo
Solution67.1%Easy
Database· 9 companies
197. Rising TemperatureVideo
Solution52.4%Easy
Database· 12 companies
511. Game Play Analysis IVideo
Solution76.8%Easy
Database· 6 companies
512. Game Play Analysis IIVideoPremium
Solution54.9%Easy
Database· 2 companies
577. Employee BonusVideo
Solution78.3%Easy
Database· 7 companies
584. Find Customer RefereeVideo
Solution73.7%Easy
Database· 7 companies
586. Customer Placing the Largest Number of OrdersVideo
Solution64.6%Easy
Database· 4 companies
595. Big CountriesVideo
Solution69.0%Easy
Database· 5 companies
596. Classes More Than 5 StudentsVideo
Solution58.4%Easy
Database
596. Classes With at Least 5 StudentsVideo
Solution65.2%Easy
Database· 3 companies
597. Friend Requests I: Overall Acceptance RateVideoPremium
Solution41.0%Easy
Database· 1 company
603. Consecutive Available SeatsVideoPremium
Solution64.9%Easy
Database
607. Sales PersonVideo
Solution66.6%Easy
Database· 4 companies
610. Triangle JudgementVideo
Solution75.4%Easy
Database· 5 companies
613. Shortest Distance in a LineVideoPremium
Solution80.0%Easy
Database
619. Biggest Single NumberVideo
Solution72.4%Easy
Database· 3 companies
620. Not Boring MoviesVideo
Solution75.3%Easy
Database· 5 companies
627. Swap SalaryVideo
Solution83.6%Easy
Database
627. Swap Sex of EmployeesVideo
Solution85.1%Easy
Database· 5 companies
1050. Actors and Directors Who Cooperated At Least Three TimesVideo
Solution71.6%Easy
Database· 3 companies
1068. Product Sales Analysis IVideo
Solution86.3%Easy
Database· 7 companies
1069. Product Sales Analysis IIVideoPremium
Solution82.7%Easy
Database· 1 company
1075. Project Employees IVideo
Solution67.5%Easy
Database· 6 companies
1076. Project Employees IIVideoPremium
Solution50.1%Easy
Database· 1 company
1082. Sales Analysis IVideoPremium
Solution74.6%Easy
Database· 1 company
1083. Sales Analysis IIVideoPremium
Solution49.8%Easy
Database· 1 company
1084. Sales Analysis IIIVideo
Solution48.6%Easy
Database· 3 companies
1113. Reported PostsVideoPremium
Solution65.0%Easy
Database· 1 company
1141. User Activity for the Past 30 Days IVideo
Solution51.9%Easy
Database· 6 companies
1142. User Activity for the Past 30 Days IIVideoPremium
Solution35.7%Easy
Database· 2 companies
1148. Article Views IVideo
Solution76.8%Easy
Database· 9 companies
1173. Immediate Food Delivery IVideoPremium
Solution80.9%Easy
Database· 1 company
1179. Reformat Department TableVideo
Solution76.9%Easy
Database· 4 companies
1211. Queries Quality and PercentageVideo
Solution55.4%Easy
Database· 5 companies
1241. Number of Comments per PostVideoPremium
Solution65.5%Easy
Database· 1 company
1251. Average Selling PriceVideo
Solution38.0%Easy
Database· 6 companies
1280. Students and ExaminationsVideo
Solution62.2%Easy
Database· 6 companies
1294. Weather Type in Each CountryVideoPremium
Solution66.8%Easy
Database· 1 company
1303. Find the Team SizeVideoPremium
Solution89.6%Easy
Database· 1 company
1322. Ads PerformanceVideoPremium
Solution58.4%Easy
Database· 1 company
1327. List the Products Ordered in a PeriodVideo
Solution72.3%Easy
Database· 2 companies
1350. Students With Invalid DepartmentsVideoPremium
Solution89.8%Easy
Database· 1 company
1378. Replace Employee ID With The Unique IdentifierVideo
Solution83.6%Easy
Database· 9 companies
1407. Top TravellersVideo
Solution58.0%Easy
Database· 2 companies
1421. NPV QueriesVideoPremium
Solution82.8%Easy
Database· 1 company
1435. Create a Session Bar ChartVideoPremium
Solution74.3%Easy
Database· 1 company
Showing 1–50 of 113