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Problems

985 problems

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

Hard · 985 results

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TitleSolutionAcceptDifficultyTopics
2494. Merge Overlapping Events in the Same HallVideoPremium
Solution38.3%Hard
Database
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
2508. Add Edges to Make Degrees of All Nodes EvenVideo
Solution37.3%Hard
Graph, Hash Table· 1 company
2509. Cycle Length Queries in a TreeVideo
Solution60.9%Hard
Array, Binary Tree +1· 1 company
2514. Count AnagramsVideo
Solution38.4%Hard
Combinatorics, Counting +3· 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
2543. Check if Point Is ReachableVideo
Solution45.5%Hard
Math, Number Theory· 1 company
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
2565. Subsequence With the Minimum ScoreVideo
Solution33.8%Hard
Binary Search, String +1· 1 company
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
2608. Shortest Cycle in a GraphVideo
Solution40.5%Hard
Breadth-First Search, Graph· 4 companies
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
2630. Memoize IIVideo
Solution31.5%Hard
–· 1 company
2642. Design Graph With Shortest Path CalculatorVideo
Solution65.6%Hard
Design, Graph +2· 2 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
2650. Design Cancellable FunctionVideo
Solution49.6%Hard
–
2659. Make Array EmptyVideo
Solution27.4%Hard
Array, Binary Indexed Tree +5· 2 companies
2663. Lexicographically Smallest Beautiful StringVideo
Solution37.9%Hard
Greedy, String· 2 companies
2675. Array of Objects to MatrixVideoPremium
Solution68.4%Hard
–
2681. Power of HeroesVideo
Solution31.4%Hard
Array, Dynamic Programming +3
2691. Immutability HelperVideoPremium
–42.1%Hard
–
2699. Modify Graph Edge WeightsVideo
Solution55.6%Hard
Graph, Heap (Priority Queue) +1· 1 company
2701. Consecutive Transactions with Increasing AmountsVideoPremium
Solution35.4%Hard
Database
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
2714. Find Shortest Path with K HopsVideoPremium
Solution68.7%Hard
Graph, Heap (Priority Queue) +1· 1 company
2719. Count of IntegersVideo
Solution38.9%Hard
Dynamic Programming, Math +1· 2 companies
2720. Popularity PercentageVideoPremium
Solution53.5%Hard
Database
Showing 551–600 of 985