DSA Problems - Page 4

Hard · With video · 942 results

TitleSolutionAcceptDifficultyTopics

772. Basic Calculator IIIVideoPremium

Solution53.2%Hard

Math, Recursion +2· 16 companies

773. Sliding PuzzleVideo

Solution74.3%Hard

Array, Backtracking +4· 7 companies

774. Minimize Max Distance to Gas StationVideoPremium

Solution53.9%Hard

Array, Binary Search· 2 companies

778. Swim in Rising WaterVideo

Solution68.3%Hard

Array, Binary Search +5· 8 companies

780. Reaching PointsVideo

Solution34.9%Hard

Math· 14 companies

782. Transform to ChessboardVideo

Solution51.9%Hard

Array, Bit Manipulation +2· 2 companies

793. Preimage Size of Factorial Zeroes FunctionVideo

Solution48.0%Hard

Binary Search, Math· 1 company

798. Smallest Rotation with Highest ScoreVideo

Solution54.8%Hard

Array, Prefix Sum· 1 company

801. Minimum Swaps To Make Sequences IncreasingVideo

Solution42.0%Hard

Array, Dynamic Programming· 5 companies

803. Bricks Falling When HitVideo

Solution37.7%Hard

Array, Matrix +1· 3 companies

805. Split Array With Same AverageVideo

Solution27.5%Hard

Array, Bit Manipulation +3· 6 companies

810. Chalkboard XOR GameVideo

Solution67.3%Hard

Array, Bit Manipulation +3· 3 companies

815. Bus RoutesVideo

Solution47.3%Hard

Array, Breadth-First Search +1· 18 companies

818. Race CarVideo

Solution45.3%Hard

Dynamic Programming· 5 companies

827. Making A Large IslandVideo

Solution57.0%Hard

Array, Breadth-First Search +3· 16 companies

828. Count Unique Characters of All Substrings of a Given StringVideo

Solution54.1%Hard

Dynamic Programming, Hash Table +1· 3 companies

829. Consecutive Numbers SumVideo

Solution42.6%Hard

Enumeration, Math· 7 companies

834. Sum of Distances in TreeVideo

Solution65.8%Hard

Depth-First Search, Dynamic Programming +2· 5 companies

839. Similar String GroupsVideo

Solution56.7%Hard

Array, Breadth-First Search +4· 5 companies

843. Guess the WordVideo

Solution36.9%Hard

Array, Game Theory +3· 10 companies

847. Shortest Path Visiting All NodesVideo

Solution66.5%Hard

Bit Manipulation, Bitmask +3· 4 companies

850. Rectangle Area IIVideo

Solution56.7%Hard

Array, Line Sweep +2· 2 companies

854. K-Similar StringsVideo

Solution41.3%Hard

Breadth-First Search, String· 2 companies

857. Minimum Cost to Hire K WorkersVideo

Solution63.5%Hard

Array, Greedy +2· 3 companies

862. Shortest Subarray with Sum at Least KVideo

Solution33.3%Hard

Array, Binary Search +5· 7 companies

864. Shortest Path to Get All KeysVideo

Solution55.0%Hard

Array, Bit Manipulation +2· 7 companies

871. Minimum Number of Refueling StopsVideo

Solution41.8%Hard

Array, Dynamic Programming +2· 7 companies

878. Nth Magical NumberVideo

Solution37.1%Hard

Binary Search, Math· 3 companies

879. Profitable SchemesVideo

Solution48.7%Hard

Array, Dynamic Programming· 2 companies

882. Reachable Nodes In Subdivided GraphVideo

Solution52.5%Hard

Graph, Heap (Priority Queue) +1· 2 companies

887. Super Egg DropVideo

Solution30.6%Hard

Binary Search, Dynamic Programming +1· 5 companies

891. Sum of Subsequence WidthsVideo

Solution41.1%Hard

Array, Math +1

895. Maximum Frequency StackVideo

Solution67.1%Hard

Design, Hash Table +2· 12 companies

899. Orderly QueueVideo

Solution67.4%Hard

Math, Sorting +1· 2 companies

902. Numbers At Most N Given Digit SetVideo

Solution45.9%Hard

Array, Binary Search +3· 4 companies

903. Valid Permutations for DI SequenceVideo

Solution56.9%Hard

Dynamic Programming, Prefix Sum +1

906. Super PalindromesVideo

Solution40.5%Hard

Enumeration, Math· 1 company

913. Cat and MouseVideo

Solution36.2%Hard

Dynamic Programming, Game Theory +4· 3 companies

920. Number of Music PlaylistsVideo

Solution60.3%Hard

Combinatorics, Dynamic Programming +1· 2 companies

924. Minimize Malware SpreadVideo

Solution43.6%Hard

Array, Breadth-First Search +4· 10 companies

927. Three Equal PartsVideo

Solution41.9%Hard

Array, Math· 2 companies

928. Minimize Malware Spread IIVideo

Solution46.2%Hard

Array, Breadth-First Search +4· 2 companies

936. Stamping The SequenceVideo

Solution62.2%Hard

Greedy, Queue +2· 1 company

940. Distinct Subsequences IIVideo

Solution56.7%Hard

Dynamic Programming, String· 2 companies

943. Find the Shortest SuperstringVideo

Solution45.8%Hard

Array, Bit Manipulation +3· 2 companies

952. Largest Component Size by Common FactorVideo

Solution43.8%Hard

Array, Hash Table +3· 2 companies

956. Tallest BillboardVideo

Solution52.0%Hard

Array, Dynamic Programming· 6 companies

960. Delete Columns to Make Sorted IIIVideo

Solution72.7%Hard

Array, Dynamic Programming +1· 2 companies

964. Least Operators to Express NumberVideo

Solution48.3%Hard

Dynamic Programming, Math +1· 1 company

968. Binary Tree CamerasVideo

Solution48.3%Hard

Binary Tree, Depth-First Search +2· 14 companies

Showing 151–200 of 942