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1,212 problems

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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 · 1,212 results

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TitleSolutionAcceptDifficultyTopics

2597. The Number of Beautiful SubsetsVideo

Solution50.9%Medium

Array, Backtracking +5· 4 companies

2598. Smallest Missing Non-negative Integer After OperationsVideo

Solution56.0%Medium

Array, Greedy +2· 6 companies

2599. Make the Prefix Sum Non-negativeVideoPremium

Solution51.9%Medium

Array, Greedy +1· 1 company

2601. Prime Subtraction OperationVideo

Solution55.9%Medium

Array, Binary Search +3· 4 companies

2602. Minimum Operations to Make All Array Elements EqualVideo

Solution38.7%Medium

Array, Binary Search +2· 3 companies

2606. Find the Substring With Maximum CostVideo

Solution57.7%Medium

Array, Dynamic Programming +2· 2 companies

2607. Make K-Subarray Sums EqualVideo

Solution38.9%Medium

Array, Math +2· 2 companies

2610. Convert an Array Into a 2D Array With ConditionsVideo

Solution86.1%Medium

Array, Hash Table· 2 companies

2611. Mice and CheeseVideo

Solution49.2%Medium

Array, Greedy +2· 1 company

2615. Sum of DistancesVideo

Solution50.2%Medium

Array, Hash Table +1· 5 companies

2616. Minimize the Maximum Difference of PairsVideo

Solution50.9%Medium

Array, Binary Search +1· 6 companies

2638. Count the Number of K-Free SubsetsVideoPremium

Solution47.4%Medium

Array, Combinatorics +3· 1 company

2640. Find the Score of All Prefixes of an ArrayVideo

Solution72.9%Medium

Array, Prefix Sum· 1 company

2653. Sliding Subarray BeautyVideo

Solution37.8%Medium

Array, Hash Table +1· 1 company

2654. Minimum Number of Operations to Make All Array Elements Equal to 1Video

Solution54.7%Medium

Array, Math +1· 2 companies

2655. Find Maximal Uncovered RangesVideoPremium

Solution49.9%Medium

Array, Sorting· 1 company

2657. Find the Prefix Common Array of Two ArraysVideo

Solution88.3%Medium

Array, Bit Manipulation +1· 6 companies

2658. Maximum Number of Fish in a GridVideo

Solution70.5%Medium

Array, Breadth-First Search +3· 4 companies

2661. First Completely Painted Row or ColumnVideo

Solution63.9%Medium

Array, Hash Table +1· 5 companies

2662. Minimum Cost of a Path With Special RoadsVideo

Solution43.3%Medium

Array, Graph +2· 1 company

2664. The Knight’s TourVideoPremium

Solution72.7%Medium

Array, Backtracking +1· 1 company

2672. Number of Adjacent Elements With the Same ColorVideo

Solution59.8%Medium

Array· 7 companies

2673. Make Costs of Paths Equal in a Binary TreeVideo

Solution57.2%Medium

Array, Binary Tree +3· 1 company

2679. Sum in a MatrixVideo

Solution61.1%Medium

Array, Heap (Priority Queue) +3

2680. Maximum ORVideo

Solution43.5%Medium

Array, Bit Manipulation +2· 5 companies

2683. Neighboring Bitwise XORVideo

Solution79.8%Medium

Array, Bit Manipulation· 2 companies

2684. Maximum Number of Moves in a GridVideo

Solution58.6%Medium

Array, Dynamic Programming +1· 2 companies

2707. Extra Characters in a StringVideo

Solution57.4%Medium

Array, Dynamic Programming +3· 3 companies

2708. Maximum Strength of a GroupVideo

Solution25.6%Medium

Array, Backtracking +5

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

2731. Movement of RobotsVideo

Solution28.1%Medium

Array, Brainteaser +2· 3 companies

2735. Collecting ChocolatesVideo

Solution34.8%Medium

Array, Enumeration· 2 companies

2737. Find the Closest Marked NodeVideoPremium

Solution65.4%Medium

Array, Graph +2

2740. Find the Value of the PartitionVideo

Solution64.9%Medium

2741. Special PermutationsVideo

Solution29.4%Medium

Array, Bit Manipulation +2

2746. Decremental String ConcatenationVideo

Solution27.6%Medium

Array, Dynamic Programming +1

2747. Count Zero Request ServersVideo

Solution36.9%Medium

Array, Hash Table +2· 4 companies

2750. Ways to Split Array Into Good SubarraysVideo

Solution34.9%Medium

Array, Dynamic Programming +1· 1 company

2761. Prime Pairs With Target SumVideo

Solution38.4%Medium

Array, Enumeration +2

2762. Continuous SubarraysVideo

Solution58.0%Medium

Array, Heap (Priority Queue) +4· 5 companies

2766. Relocate MarblesVideo

Solution50.6%Medium

Array, Hash Table +2· 1 company

2768. Number of Black BlocksVideo

Solution41.5%Medium

Array, Enumeration +1· 9 companies

2770. Maximum Number of Jumps to Reach the Last IndexVideo

Solution51.2%Medium

Array, Dynamic Programming· 2 companies

2771. Longest Non-decreasing Subarray From Two ArraysVideo

Solution31.7%Medium

Array, Dynamic Programming· 6 companies

2772. Apply Operations to Make All Array Elements Equal to ZeroVideo

Solution33.5%Medium

Array, Prefix Sum· 2 companies

2779. Maximum Beauty of an Array After Applying OperationVideo

Solution58.4%Medium

Array, Binary Search +2· 3 companies

2780. Minimum Index of a Valid SplitVideo

Solution75.5%Medium

Array, Hash Table +1· 3 companies

2786. Visit Array Positions to Maximize ScoreVideo

Solution37.5%Medium

Array, Dynamic Programming

2789. Largest Element in an Array after Merge OperationsVideo

Solution48.3%Medium

Array, Greedy· 2 companies

Showing 751–800 of 1,212