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Problems

14 problems

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Simulation Array566 Dynamic Programming328 String188 Math182 Binary Search133 Hash Table132 Sorting104 Greedy102 Bit Manipulation101 Graph92 Depth-First Search88 Heap (Priority Queue)77 Prefix Sum75 Matrix74 Breadth-First Search70 All topics

Hard · With video · 14 results

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TitleSolutionAcceptDifficultyTopics

68. Text JustificationVideo

Solution52.4%Hard

Array, Simulation +1· 44 companies

158. Read N Characters Given read4 II - Call Multiple TimesVideoPremium

Solution43.2%Hard

Array, Interactive +1· 5 companies

749. Contain VirusVideo

Solution56.5%Hard

Array, Breadth-First Search +3· 3 companies

2056. Number of Valid Move Combinations On ChessboardVideo

Solution48.7%Hard

Array, Backtracking +2· 2 companies

2296. Design a Text EditorVideo

Solution52.1%Hard

Design, Doubly-Linked List +4· 10 companies

2402. Meeting Rooms IIIVideo

Solution51.6%Hard

Array, Hash Table +3· 12 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

2751. Robot CollisionsVideo

Solution61.6%Hard

Array, Simulation +2· 7 companies

3072. Distribute Elements Into Two Arrays IIVideo

Solution32.1%Hard

Array, Binary Indexed Tree +2· 2 companies

3266. Final Array State After K Multiplication Operations IIVideo

Solution13.7%Hard

Array, Heap (Priority Queue) +1· 3 companies

3279. Maximum Total Area Occupied by PistonsVideoPremium

Solution41.3%Hard

Array, Counting +4

3510. Minimum Pair Removal to Sort Array IIVideo

Solution39.1%Hard

Array, Doubly-Linked List +5· 3 companies

3614. Process String with Special Operations IIVideo

Solution39.9%Hard

Simulation, String· 3 companies

Showing 1–14 of 14