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Problems

132 problems

Has videoPremium onlyReset
DesignArray2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 132 results

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TitleSolutionAcceptDifficultyTopics
2034. Stock Price Fluctuation Video
Solution49.1%Medium
Data Stream, Design +3· 6 companies
2043. Simple Bank SystemVideo
Solution69.7%Medium
Array, Design +2· 20 companies
2069. Walking Robot Simulation IIVideo
Solution43.2%Medium
Design, Simulation· 2 companies
2080. Range Frequency QueriesVideo
Solution44.3%Medium
Array, Binary Search +3· 2 companies
2102. Sequentially Ordinal Rank TrackerVideo
Solution61.5%Hard
Data Stream, Design +2· 1 company
2166. Design BitsetVideo
Solution32.7%Medium
Array, Design +2
2227. Encrypt and Decrypt StringsVideo
Solution38.8%Hard
Array, Design +3· 3 companies
2241. Design an ATM MachineVideo
Solution46.6%Medium
Array, Design +1· 2 companies
2254. Design Video Sharing PlatformVideoPremium
–64.1%Hard
Design, Hash Table +2· 1 company
2276. Count Integers in IntervalsVideo
Solution36.1%Hard
Design, Ordered Set +1· 4 companies
2286. Booking Concert Tickets in GroupsVideo
Solution20.1%Hard
Binary Indexed Tree, Binary Search +2· 1 company
2296. Design a Text EditorVideo
Solution52.1%Hard
Design, Doubly-Linked List +4· 10 companies
2336. Smallest Number in Infinite SetVideo
Solution70.6%Medium
Design, Hash Table +2· 6 companies
2349. Design a Number Container SystemVideo
Solution57.1%Medium
Design, Hash Table +2· 1 company
2353. Design a Food Rating SystemVideo
Solution52.9%Medium
Design, Hash Table +2· 4 companies
2408. Design SQLVideoPremium
Solution63.9%Medium
Array, Design +2· 2 companies
2424. Longest Uploaded PrefixVideo
Solution55.5%Medium
Binary Indexed Tree, Binary Search +5· 1 company
2502. Design Memory AllocatorVideo
Solution51.0%Medium
Array, Design +2· 18 companies
2526. Find Consecutive Integers from a Data StreamVideo
Solution51.5%Medium
Counting, Data Stream +3· 1 company
2590. Design a Todo ListVideoPremium
Solution59.8%Medium
Array, Design +3· 1 company
2642. Design Graph With Shortest Path CalculatorVideo
Solution65.6%Hard
Design, Graph +2· 2 companies
2671. Frequency TrackerVideo
Solution31.6%Medium
Design, Hash Table
3242. Design Neighbor Sum ServiceVideo
Solution76.4%Easy
Array, Design +3
3391. Design a 3D Binary Matrix with Efficient Layer TrackingVideoPremium
Solution66.1%Medium
Array, Design +4· 1 company
3408. Design Task ManagerVideo
Solution49.1%Medium
Design, Hash Table +2· 5 companies
3484. Design SpreadsheetVideo
Solution73.5%Medium
Array, Design +3· 7 companies
3508. Implement RouterVideo
Solution39.1%Medium
Array, Binary Search +4· 4 companies
3709. Design Exam Scores TrackerVideo
Solution44.0%Medium
Array, Binary Search +2· 1 company
3815. Design Auction SystemVideo
Solution41.9%Medium
Design, Hash Table +2· 1 company
3822. Design Order Management SystemVideoPremium
Solution79.0%Medium
Design, Hash Table· 1 company
3829. Design Ride Sharing SystemVideo
Solution62.6%Medium
Data Stream, Design +2· 1 company
3885. Design Event ManagerVideo
Solution50.3%Medium
Array, Design +3· 1 company
Showing 101–132 of 132