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Problems

578 problems

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Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 578 results

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TitleSolutionAcceptDifficultyTopics
2435. Paths in Matrix Whose Sum Is Divisible by KVideo
Solution58.7%Hard
Array, Dynamic Programming +1· 4 companies
2440. Create Components With Same ValueVideo
Solution54.0%Hard
Array, Depth-First Search +3· 1 company
2444. Count Subarrays With Fixed BoundsVideo
Solution69.2%Hard
Array, Monotonic Queue +2· 9 companies
2448. Minimum Cost to Make Array EqualVideo
Solution46.7%Hard
Array, Binary Search +3· 6 companies
2449. Minimum Number of Operations to Make Arrays SimilarVideo
Solution61.8%Hard
Array, Greedy +1· 2 companies
2454. Next Greater Element IVVideo
Solution43.0%Hard
Array, Binary Search +4· 1 company
2458. Height of Binary Tree After Subtree Removal QueriesVideo
Solution55.0%Hard
Array, Binary Tree +3· 3 companies
2459. Sort Array by Moving Items to Empty SpaceVideoPremium
Solution45.7%Hard
Array, Greedy +1· 1 company
2463. Minimum Total Distance TraveledVideo
Solution63.2%Hard
Array, Dynamic Programming +1· 5 companies
2488. Count Subarrays With Median KVideo
Solution49.1%Hard
Array, Hash Table +1· 3 companies
2499. Minimum Total Cost to Make Arrays UnequalVideo
Solution41.3%Hard
Array, Counting +2· 1 company
2503. Maximum Number of Points From Grid QueriesVideo
Solution59.3%Hard
Array, Breadth-First Search +5· 6 companies
2509. Cycle Length Queries in a TreeVideo
Solution60.9%Hard
Array, Binary Tree +1· 1 company
2518. Number of Great PartitionsVideo
Solution34.0%Hard
Array, Dynamic Programming· 2 companies
2519. Count the Number of K-Big IndicesVideoPremium
Solution53.2%Hard
Array, Binary Indexed Tree +5· 1 company
2524. Maximum Frequency Score of a SubarrayVideoPremium
Solution35.7%Hard
Array, Hash Table +3· 1 company
2528. Maximize the Minimum Powered CityVideo
Solution61.8%Hard
Array, Binary Search +4· 2 companies
2532. Time to Cross a BridgeVideo
Solution44.4%Hard
Array, Heap (Priority Queue) +1· 1 company
2534. Time Taken to Cross the DoorVideoPremium
Solution50.1%Hard
Array, Queue +1· 3 companies
2538. Difference Between Maximum and Minimum Price SumVideo
Solution34.5%Hard
Array, Depth-First Search +2· 2 companies
2547. Minimum Cost to Split an ArrayVideo
Solution45.4%Hard
Array, Counting +2· 1 company
2551. Put Marbles in BagsVideo
Solution72.2%Hard
Array, Greedy +2· 8 companies
2552. Count Increasing QuadrupletsVideo
Solution34.6%Hard
Array, Binary Indexed Tree +3· 2 companies
2561. Rearranging FruitsVideo
Solution57.4%Hard
Array, Greedy +1· 9 companies
2569. Handling Sum Queries After UpdateVideo
Solution32.4%Hard
Array, Segment Tree· 1 company
2573. Find the String with LCPVideo
Solution63.3%Hard
Array, Dynamic Programming +4· 1 company
2577. Minimum Time to Visit a Cell In a GridVideo
Solution56.3%Hard
Array, Breadth-First Search +4· 4 companies
2581. Count Number of Possible Root NodesVideo
Solution49.3%Hard
Array, Depth-First Search +3
2584. Split the Array to Make Coprime ProductsVideo
Solution29.3%Hard
Array, Hash Table +2· 1 company
2585. Number of Ways to Earn PointsVideo
Solution60.2%Hard
Array, Dynamic Programming· 1 company
2589. Minimum Time to Complete All TasksVideo
Solution39.6%Hard
Array, Binary Search +3· 1 company
2603. Collect Coins in a TreeVideo
Solution40.2%Hard
Array, Graph +2· 13 companies
2604. Minimum Time to Eat All GrainsVideoPremium
Solution40.8%Hard
Array, Binary Search +2· 1 company
2612. Minimum Reverse OperationsVideo
Solution17.5%Hard
Array, Breadth-First Search +1· 1 company
2613. Beautiful PairsVideoPremium
Solution46.9%Hard
Array, Divide and Conquer +4
2617. Minimum Number of Visited Cells in a GridVideo
Solution24.1%Hard
Array, Breadth-First Search +6· 3 companies
2646. Minimize the Total Price of the TripsVideo
Solution48.5%Hard
Array, Depth-First Search +3
2647. Color the Triangle RedVideoPremium
Solution58.0%Hard
Array, Math
2659. Make Array EmptyVideo
Solution27.4%Hard
Array, Binary Indexed Tree +5· 2 companies
2681. Power of HeroesVideo
Solution31.4%Hard
Array, Dynamic Programming +3
2702. Minimum Operations to Make Numbers Non-positiveVideoPremium
Solution44.1%Hard
Array, Binary Search· 1 company
2709. Greatest Common Divisor TraversalVideo
Solution41.6%Hard
Array, Math +2
2713. Maximum Strictly Increasing Cells in a MatrixVideo
Solution31.3%Hard
Array, Binary Search +6
2732. Find a Good Subset of the MatrixVideo
Solution45.4%Hard
Array, Bit Manipulation +2
2736. Maximum Sum QueriesVideo
Solution30.8%Hard
Array, Binary Indexed Tree +5
2742. Painting the WallsVideo
Solution49.0%Hard
Array, Dynamic Programming· 5 companies
2751. Robot CollisionsVideo
Solution61.6%Hard
Array, Simulation +2· 7 companies
2763. Sum of Imbalance Numbers of All SubarraysVideo
Solution41.9%Hard
Array, Hash Table +1· 1 company
2781. Length of the Longest Valid SubstringVideo
Solution38.3%Hard
Array, Hash Table +2· 3 companies
2790. Maximum Number of Groups With Increasing LengthVideo
Solution23.0%Hard
Array, Binary Search +3· 1 company
Showing 301–350 of 578