Skip to content

For employers Sign in

Make and follow sheets.Sign in

Problems

10 problems

Has video Premium only Reset

Data Stream Array1,212 Hash Table473 String437 Math331 Greedy330 Dynamic Programming327 Sorting302 Depth-First Search208 Binary Search189 Breadth-First Search166 Matrix163 Tree158 Prefix Sum155 Two Pointers150 Database137 All topics

Medium · 10 results

Sign in to see which of these you have solved.Sign in

TitleSolutionAcceptDifficultyTopics

362. Design Hit CounterVideoPremium

Solution69.6%Medium

Array, Binary Search +3· 25 companies

901. Online Stock SpanVideo

Solution69.5%Medium

Data Stream, Design +2· 7 companies

1352. Product of the Last K NumbersVideo

Solution62.9%Medium

Array, Data Stream +3· 11 companies

1429. First Unique NumberVideoPremium

Solution57.8%Medium

Array, Data Stream +3· 5 companies

1472. Design Browser HistoryVideo

Solution78.3%Medium

Array, Data Stream +4· 13 companies

1500. Design a File Sharing SystemVideoPremium

Solution41.7%Medium

Data Stream, Design +3· 1 company

1670. Design Front Middle Back QueueVideo

Solution59.1%Medium

Array, Data Stream +3· 3 companies

2034. Stock Price Fluctuation Video

Solution49.1%Medium

Data Stream, Design +3· 6 companies

2526. Find Consecutive Integers from a Data StreamVideo

Solution51.5%Medium

Counting, Data Stream +3· 1 company

3829. Design Ride Sharing SystemVideo

Solution62.6%Medium

Data Stream, Design +2· 1 company

Showing 1–10 of 10