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Array70 Database51 Dynamic Programming26 String25 Math22 Depth-First Search18 Hash Table16 Graph15 Binary Search14 Breadth-First Search12 Heap (Priority Queue)12 Sorting12 Tree12 Greedy10 Matrix10 All topics

Hard · Premium · 70 results

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TitleSolutionAcceptDifficultyTopics

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

Solution43.2%Hard

Array, Interactive +1· 5 companies

248. Strobogrammatic Number IIIVideoPremium

Solution42.3%Hard

Array, Recursion +1

265. Paint House IIVideoPremium

Solution57.0%Hard

Array, Dynamic Programming· 2 companies

269. Alien DictionaryVideoPremium

Solution37.1%Hard

Array, Breadth-First Search +4· 18 companies

296. Best Meeting PointVideoPremium

Solution61.1%Hard

Array, Math +2· 9 companies

302. Smallest Rectangle Enclosing Black PixelsVideoPremium

Solution60.9%Hard

Array, Binary Search +3· 1 company

305. Number of Islands IIVideoPremium

Solution40.5%Hard

Array, Hash Table +1· 10 companies

317. Shortest Distance from All BuildingsVideoPremium

Solution44.9%Hard

Array, Breadth-First Search +1· 15 companies

411. Minimum Unique Word AbbreviationVideoPremium

–40.5%Hard

Array, Backtracking +2· 2 companies

425. Word SquaresVideoPremium

Solution54.7%Hard

Array, Backtracking +2· 1 company

465. Optimal Account BalancingVideoPremium

Solution50.9%Hard

Array, Backtracking +3· 12 companies

499. The Maze IIIVideoPremium

Solution52.3%Hard

Array, Breadth-First Search +6· 1 company

527. Word AbbreviationVideoPremium

Solution62.7%Hard

Array, Greedy +3· 4 companies

548. Split Array with Equal SumVideoPremium

Solution50.1%Hard

Array, Hash Table +1· 1 company

568. Maximum Vacation DaysVideoPremium

Solution46.7%Hard

Array, Dynamic Programming +1· 3 companies

631. Design Excel Sum FormulaVideoPremium

–39.3%Hard

Array, Design +3· 9 companies

644. Maximum Average Subarray IIVideoPremium

Solution37.7%Hard

Array, Binary Search +1· 1 company

656. Coin PathVideoPremium

Solution34.2%Hard

Array, Dynamic Programming· 1 company

683. K Empty SlotsVideoPremium

Solution38.0%Hard

Array, Binary Indexed Tree +6· 1 company

759. Employee Free TimeVideoPremium

Solution72.9%Hard

Array, Heap (Priority Queue) +1· 12 companies

774. Minimize Max Distance to Gas StationVideoPremium

Solution53.9%Hard

Array, Binary Search· 2 companies

1063. Number of Valid SubarraysVideoPremium

Solution79.9%Hard

Array, Monotonic Stack +1· 1 company

1121. Divide Array Into Increasing SequencesVideoPremium

Solution65.4%Hard

Array, Counting· 1 company

1199. Minimum Time to Build BlocksVideoPremium

Solution49.2%Hard

Array, Greedy +2· 1 company

1231. Divide ChocolateVideoPremium

Solution60.5%Hard

Array, Binary Search· 1 company

1246. Palindrome RemovalVideoPremium

Solution46.4%Hard

Array, Dynamic Programming· 1 company

1274. Number of Ships in a RectangleVideoPremium

Solution68.7%Hard

Array, Divide and Conquer +1· 2 companies

1714. Sum Of Special Evenly-Spaced Elements In ArrayVideoPremium

Solution49.9%Hard

Array, Dynamic Programming· 1 company

1788. Maximize the Beauty of the GardenVideoPremium

Solution62.8%Hard

Array, Greedy +2· 1 company

1924. Erect the Fence IIVideoPremium

–49.4%Hard

Array, Geometry +1· 1 company

1956. Minimum Time For K Virus Variants to SpreadVideoPremium

–49.5%Hard

Array, Binary Search +3

2123. Minimum Operations to Remove Adjacent Ones in MatrixVideoPremium

Solution42.5%Hard

Array, Graph +1· 1 company

2143. Choose Numbers From Two Arrays in RangePremium

Solution51.4%Hard

Array, Dynamic Programming· 1 company

2158. Amount of New Area Painted Each DayVideoPremium

Solution55.3%Hard

Array, Ordered Set +1· 2 companies

2277. Closest Node to Path in TreeVideoPremium

–62.1%Hard

Array, Breadth-First Search +2· 1 company

2307. Check for Contradictions in EquationsVideoPremium

Solution43.8%Hard

Array, Depth-First Search +2· 2 companies

2355. Maximum Number of Books You Can TakeVideoPremium

Solution40.9%Hard

Array, Dynamic Programming +2· 1 company

2361. Minimum Costs Using the Train LineVideoPremium

Solution78.4%Hard

Array, Dynamic Programming· 1 company

2371. Minimize Maximum Value in a GridVideoPremium

Solution70.1%Hard

Array, Graph +4· 1 company

2403. Minimum Time to Kill All MonstersVideoPremium

Solution56.3%Hard

Array, Bit Manipulation +2· 1 company

2459. Sort Array by Moving Items to Empty SpaceVideoPremium

Solution45.7%Hard

Array, Greedy +1· 1 company

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

2534. Time Taken to Cross the DoorVideoPremium

Solution50.1%Hard

Array, Queue +1· 3 companies

2604. Minimum Time to Eat All GrainsVideoPremium

Solution40.8%Hard

Array, Binary Search +2· 1 company

2613. Beautiful PairsVideoPremium

Solution46.9%Hard

Array, Divide and Conquer +4

2647. Color the Triangle RedVideoPremium

Solution58.0%Hard

2702. Minimum Operations to Make Numbers Non-positiveVideoPremium

Solution44.1%Hard

Array, Binary Search· 1 company

2814. Minimum Time Takes to Reach Destination Without DrowningVideoPremium

Solution54.7%Hard

Array, Breadth-First Search +1

2819. Minimum Relative Loss After Buying ChocolatesPremium

Solution47.4%Hard

Array, Binary Search +2

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