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187 problems

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Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 187 results

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TitleSolutionAcceptDifficultyTopics

33. Search in Rotated Sorted ArrayVideo

Solution45.5%Medium

Array, Binary Search· 53 companies

34. Find First and Last Position of Element in Sorted ArrayVideo

Solution49.7%Medium

Array, Binary Search· 29 companies

74. Search a 2D MatrixVideo

Solution54.4%Medium

Array, Binary Search +1· 19 companies

81. Search in Rotated Sorted Array IIVideo

Solution40.4%Medium

Array, Binary Search· 10 companies

153. Find Minimum in Rotated Sorted ArrayVideo

Solution55.3%Medium

Array, Binary Search· 18 companies

162. Find Peak ElementVideo

Solution46.8%Medium

Array, Binary Search· 30 companies

167. Two Sum II - Input Array Is SortedVideo

Solution65.5%Medium

Array, Binary Search +1· 16 companies

209. Minimum Size Subarray SumVideo

Solution53.1%Medium

Array, Binary Search +2· 18 companies

222. Count Complete Tree NodesVideo

Solution72.6%Medium

Binary Search, Binary Tree +2· 7 companies

240. Search a 2D Matrix IIVideo

Solution58.2%Medium

Array, Binary Search +2· 16 companies

259. 3Sum SmallerVideoPremium

Solution51.4%Medium

Array, Binary Search +2· 7 companies

275. H-Index IIVideo

Solution40.0%Medium

Array, Binary Search· 1 company

287. Find the Duplicate NumberVideo

Solution64.7%Medium

Array, Binary Search +2· 22 companies

300. Longest Increasing SubsequenceVideo

Solution59.8%Medium

Array, Binary Search +1· 30 companies

362. Design Hit CounterVideoPremium

Solution69.6%Medium

Array, Binary Search +3· 25 companies

378. Kth Smallest Element in a Sorted MatrixVideo

Solution65.1%Medium

Array, Binary Search +3· 10 companies

400. Nth DigitVideo

Solution38.8%Medium

Binary Search, Math· 8 companies

436. Find Right IntervalVideo

Solution56.7%Medium

Array, Binary Search +1· 4 companies

456. 132 PatternVideo

Solution35.2%Medium

Array, Binary Search +3· 8 companies

475. HeatersVideo

Solution42.3%Medium

Array, Binary Search +2· 12 companies

497. Random Point in Non-overlapping RectanglesVideo

Solution40.8%Medium

Array, Binary Search +5· 2 companies

528. Random Pick with WeightVideo

Solution49.0%Medium

Array, Binary Search +3· 26 companies

532. K-diff Pairs in an ArrayVideo

Solution46.3%Medium

Array, Binary Search +3· 8 companies

540. Single Element in a Sorted ArrayVideo

Solution59.3%Medium

Array, Binary Search· 19 companies

611. Valid Triangle NumberVideo

Solution56.8%Medium

Array, Binary Search +3· 9 companies

633. Sum of Square NumbersVideo

Solution37.0%Medium

Binary Search, Math +1· 6 companies

658. Find K Closest ElementsVideo

Solution50.1%Medium

Array, Binary Search +4· 18 companies

702. Search in a Sorted Array of Unknown SizeVideoPremium

Solution73.1%Medium

Array, Binary Search +1· 1 company

713. Subarray Product Less Than KVideo

Solution54.8%Medium

Array, Binary Search +2· 20 companies

718. Maximum Length of Repeated SubarrayVideo

Solution51.5%Medium

Array, Binary Search +4· 7 companies

729. My Calendar IVideo

Solution58.4%Medium

Array, Binary Search +3· 12 companies

731. My Calendar IIVideo

Solution63.3%Medium

Array, Binary Search +4· 3 companies

754. Reach a NumberVideo

Solution45.5%Medium

Binary Search, Math· 8 companies

786. K-th Smallest Prime FractionVideo

Solution69.0%Medium

Array, Binary Search +3· 1 company

792. Number of Matching SubsequencesVideo

Solution50.8%Medium

Array, Binary Search +5· 9 companies

825. Friends Of Appropriate AgesVideo

Solution49.9%Medium

Array, Binary Search +2· 3 companies

826. Most Profit Assigning WorkVideo

Solution56.4%Medium

Array, Binary Search +3· 5 companies

852. Peak Index in a Mountain ArrayVideo

Solution66.9%Medium

Array, Binary Search· 10 companies

875. Koko Eating BananasVideo

Solution50.4%Medium

Array, Binary Search· 47 companies

911. Online ElectionVideo

Solution52.8%Medium

Array, Binary Search +2· 3 companies

981. Time Based Key-Value StoreVideo

Solution49.8%Medium

Binary Search, Design +2· 34 companies

1004. Max Consecutive Ones IIIVideo

Solution68.6%Medium

Array, Binary Search +2· 20 companies

1011. Capacity To Ship Packages Within D DaysVideo

Solution74.8%Medium

Array, Binary Search· 20 companies

1027. Longest Arithmetic SubsequenceVideo

Solution49.9%Medium

Array, Binary Search +2· 6 companies

1055. Shortest Way to Form StringVideoPremium

Solution61.6%Medium

Binary Search, Greedy +2· 3 companies

1060. Missing Element in Sorted ArrayVideoPremium

Solution59.7%Medium

Array, Binary Search· 4 companies

1062. Longest Repeating SubstringVideoPremium

Solution63.4%Medium

Binary Search, Dynamic Programming +4· 4 companies

1102. Path With Maximum Minimum ValueVideoPremium

Solution54.6%Medium

Array, Binary Search +5· 3 companies

1146. Snapshot ArrayVideo

Solution36.8%Medium

Array, Binary Search +2· 20 companies

1170. Compare Strings by Frequency of the Smallest CharacterVideo

Solution63.3%Medium

Array, Binary Search +3· 1 company

Showing 1–50 of 187