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Problems

473 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 473 results

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TitleSolutionAcceptDifficultyTopics
2606. Find the Substring With Maximum CostVideo
Solution57.7%Medium
Array, Dynamic Programming +2· 2 companies
2610. Convert an Array Into a 2D Array With ConditionsVideo
Solution86.1%Medium
Array, Hash Table· 2 companies
2615. Sum of DistancesVideo
Solution50.2%Medium
Array, Hash Table +1· 5 companies
2641. Cousins in Binary Tree IIVideo
Solution75.8%Medium
Binary Tree, Breadth-First Search +3· 2 companies
2653. Sliding Subarray BeautyVideo
Solution37.8%Medium
Array, Hash Table +1· 1 company
2657. Find the Prefix Common Array of Two ArraysVideo
Solution88.3%Medium
Array, Bit Manipulation +1· 6 companies
2661. First Completely Painted Row or ColumnVideo
Solution63.9%Medium
Array, Hash Table +1· 5 companies
2671. Frequency TrackerVideo
Solution31.6%Medium
Design, Hash Table
2707. Extra Characters in a StringVideo
Solution57.4%Medium
Array, Dynamic Programming +3· 3 companies
2711. Difference of Number of Distinct Values on DiagonalsVideo
Solution67.8%Medium
Array, Hash Table +1
2718. Sum of Matrix After QueriesVideo
Solution32.5%Medium
Array, Hash Table
2743. Count Substrings Without Repeating CharacterVideoPremium
Solution75.9%Medium
Hash Table, Sliding Window +1· 1 company
2747. Count Zero Request ServersVideo
Solution36.9%Medium
Array, Hash Table +2· 4 companies
2766. Relocate MarblesVideo
Solution50.6%Medium
Array, Hash Table +2· 1 company
2767. Partition String Into Minimum Beautiful SubstringsVideo
Solution54.0%Medium
Backtracking, Dynamic Programming +2
2768. Number of Black BlocksVideo
Solution41.5%Medium
Array, Enumeration +1· 9 companies
2780. Minimum Index of a Valid SplitVideo
Solution75.5%Medium
Array, Hash Table +1· 3 companies
2799. Count Complete Subarrays in an ArrayVideo
Solution75.9%Medium
Array, Hash Table +1· 4 companies
2808. Minimum Seconds to Equalize a Circular ArrayVideo
Solution29.1%Medium
Array, Hash Table· 1 company
2830. Maximize the Profit as the SalesmanVideo
Solution38.7%Medium
Array, Binary Search +3· 1 company
2831. Find the Longest Equal SubarrayVideo
Solution38.4%Medium
Array, Binary Search +2· 3 companies
2840. Check if Strings Can be Made Equal With Operations IIVideo
Solution73.9%Medium
Hash Table, Sorting +1· 4 companies
2841. Maximum Sum of Almost Unique SubarrayVideo
Solution41.5%Medium
Array, Hash Table +1· 1 company
2845. Count of Interesting SubarraysVideo
Solution58.0%Medium
Array, Hash Table +1· 4 companies
2852. Sum of Remoteness of All CellsVideoPremium
Solution70.8%Medium
Array, Breadth-First Search +4· 1 company
2856. Minimum Array Length After Pair RemovalsVideo
Solution27.8%Medium
Array, Binary Search +4· 1 company
2857. Count Pairs of Points With Distance kVideo
Solution32.9%Medium
Array, Bit Manipulation +1· 1 company
2870. Minimum Number of Operations to Make Array EmptyVideo
Solution61.9%Medium
Array, Counting +2· 2 companies
2875. Minimum Size Subarray in Infinite ArrayVideo
Solution32.1%Medium
Array, Hash Table +2· 1 company
2898. Maximum Linear Stock ScoreVideoPremium
Solution62.3%Medium
Array, Hash Table· 1 company
2910. Minimum Number of Groups to Create a Valid AssignmentVideo
Solution25.0%Medium
Array, Greedy +1· 1 company
2933. High-Access EmployeesVideo
Solution48.0%Medium
Array, Hash Table +2· 2 companies
2947. Count Beautiful Substrings IVideo
Solution60.9%Medium
Enumeration, Hash Table +4· 1 company
2950. Number of Divisible SubstringsVideoPremium
Solution74.6%Medium
Counting, Hash Table +2· 4 companies
2955. Number of Same-End SubstringsVideoPremium
Solution60.6%Medium
Array, Counting +3· 2 companies
2958. Length of Longest Subarray With at Most K FrequencyVideo
Solution60.4%Medium
Array, Hash Table +1· 4 companies
2964. Number of Divisible Triplet SumsVideoPremium
Solution67.5%Medium
Array, Hash Table· 9 companies
2975. Maximum Square Area by Removing Fences From a FieldVideo
Solution49.5%Medium
Array, Enumeration +1· 3 companies
2981. Find Longest Special Substring That Occurs Thrice IVideo
Solution61.9%Medium
Binary Search, Counting +3· 3 companies
2982. Find Longest Special Substring That Occurs Thrice IIVideo
Solution39.2%Medium
Binary Search, Counting +3· 2 companies
3002. Maximum Size of a Set After RemovalsVideo
Solution46.2%Medium
Array, Greedy +1· 2 companies
3016. Minimum Number of Pushes to Type Word IIVideo
Solution83.2%Medium
Counting, Greedy +3· 3 companies
3020. Find the Maximum Number of Elements in SubsetVideo
Solution42.2%Medium
Array, Enumeration +1· 5 companies
3026. Maximum Good Subarray SumVideo
Solution22.7%Medium
Array, Hash Table +1· 5 companies
3035. Maximum Palindromes After OperationsVideo
Solution47.2%Medium
Array, Counting +4· 8 companies
3039. Apply Operations to Make String EmptyVideo
Solution57.5%Medium
Array, Counting +2· 1 company
3043. Find the Length of the Longest Common PrefixVideo
Solution62.1%Medium
Array, Hash Table +2· 17 companies
3044. Most Frequent PrimeVideo
Solution45.5%Medium
Array, Counting +5· 1 company
3071. Minimum Operations to Write the Letter Y on a GridVideo
Solution63.9%Medium
Array, Counting +2· 7 companies
3076. Shortest Uncommon Substring in an ArrayVideo
Solution50.8%Medium
Array, Hash Table +2· 3 companies
Showing 301–350 of 473