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2,133 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 · 2,133 results

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TitleSolutionAcceptDifficultyTopics

2627. DebounceVideo

Solution91.3%Medium

–· 3 companies

2628. JSON Deep EqualVideoPremium

Solution38.8%Medium

–

2631. Group ByVideo

Solution81.0%Medium

–

2632. CurryVideoPremium

Solution89.2%Medium

–

2633. Convert Object to JSON StringVideoPremium

Solution77.4%Medium

–· 2 companies

2636. Promise PoolVideoPremium

Solution79.8%Medium

–· 1 company

2637. Promise Time LimitVideo

Solution82.0%Medium

–· 2 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

2641. Cousins in Binary Tree IIVideo

Solution75.8%Medium

Binary Tree, Breadth-First Search +3· 2 companies

2645. Minimum Additions to Make Valid StringVideo

Solution50.8%Medium

Dynamic Programming, Greedy +2· 3 companies

2649. Nested Array GeneratorVideo

Solution79.3%Medium

–

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

2671. Frequency TrackerVideo

Solution31.6%Medium

Design, Hash Table

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

2674. Split a Circular Linked ListVideoPremium

Solution78.1%Medium

Linked List, Two Pointers

2676. ThrottleVideoPremium

Solution82.9%Medium

–

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

2685. Count the Number of Complete ComponentsVideo

Solution80.8%Medium

Breadth-First Search, Depth-First Search +2· 4 companies

2686. Immediate Food Delivery IIIVideoPremium

Solution70.5%Medium

2688. Find Active UsersVideoPremium

Solution45.2%Medium

2692. Make Object ImmutableVideoPremium

Solution64.5%Medium

–

2693. Call Function with Custom ContextVideo

Solution79.0%Medium

–

2694. Event EmitterVideo

Solution74.1%Medium

–· 4 companies

2698. Find the Punishment Number of an IntegerVideo

Solution81.7%Medium

Backtracking, Math· 4 companies

2700. Differences Between Two ObjectsVideoPremium

Solution75.2%Medium

–· 2 companies

2705. Compact ObjectVideo

Solution65.8%Medium

–

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

2712. Minimum Cost to Make All Characters EqualVideo

Solution53.2%Medium

Dynamic Programming, Greedy +1· 1 company

2718. Sum of Matrix After QueriesVideo

Solution32.5%Medium

Array, Hash Table

2721. Execute Asynchronous Functions in ParallelVideo

Solution76.0%Medium

–· 1 company

2722. Join Two Arrays by IDVideo

Solution55.4%Medium

–

2730. Find the Longest Semi-Repetitive SubstringVideo

Solution39.3%Medium

Sliding Window, String

2731. Movement of RobotsVideo

Solution28.1%Medium

Array, Brainteaser +2· 3 companies

2734. Lexicographically Smallest String After Substring OperationVideo

Solution35.2%Medium

Greedy, String· 4 companies

2735. Collecting ChocolatesVideo

Solution34.8%Medium

Array, Enumeration· 2 companies

2737. Find the Closest Marked NodeVideoPremium

Solution65.4%Medium

Array, Graph +2

Showing 1,401–1,450 of 2,133