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75 problems

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Array578 Dynamic Programming332 String191 Math187 Binary Search136 Hash Table134 Sorting106 Greedy104 Bit Manipulation103 Graph96 Depth-First Search91 Heap (Priority Queue)78 Prefix Sum77 Matrix75 Breadth-First Search71 All topics

Hard · 75 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

2503. Maximum Number of Points From Grid QueriesVideo

Solution59.3%Hard

Array, Breadth-First Search +5· 6 companies

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

2617. Minimum Number of Visited Cells in a GridVideo

Solution24.1%Hard

Array, Breadth-First Search +6· 3 companies

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

2814. Minimum Time Takes to Reach Destination Without DrowningVideoPremium

Solution54.7%Hard

Array, Breadth-First Search +1

2931. Maximum Spending After Buying ItemsVideo

Solution60.5%Hard

Array, Greedy +3· 2 companies

3197. Find the Minimum Area to Cover All Ones IIVideo

Solution63.5%Hard

Array, Enumeration +1· 4 companies

3225. Maximum Score From Grid OperationsVideo

Solution63.5%Hard

Array, Dynamic Programming +2· 3 companies

3256. Maximum Value Sum by Placing Three Rooks IVideo

Solution17.0%Hard

Array, Dynamic Programming +2

3257. Maximum Value Sum by Placing Three Rooks IIVideo

Solution26.1%Hard

Array, Dynamic Programming +2

3276. Select Cells in Grid With Maximum ScoreVideo

Solution15.7%Hard

Array, Bit Manipulation +3

3311. Construct 2D Grid Matching Graph LayoutVideo

Solution29.3%Hard

Array, Graph +2

3359. Find Sorted Submatrices With Maximum Element at Most KPremium

–52.5%Hard

Array, Matrix +2

3363. Find the Maximum Number of Fruits CollectedVideo

Solution65.1%Hard

Array, Dynamic Programming +1· 2 companies

3459. Length of Longest V-Shaped Diagonal SegmentVideo

Solution56.3%Hard

Array, Dynamic Programming +2· 5 companies

3548. Equal Sum Grid Partition IIVideo

Solution39.5%Hard

Array, Enumeration +3· 2 companies

3651. Minimum Cost Path with TeleportationsVideo

Solution45.1%Hard

Array, Dynamic Programming +1· 4 companies

3725. Count Ways to Choose Coprime Integers from RowsVideo

–46.8%Hard

Array, Combinatorics +4

3797. Count Routes to Climb a Rectangular GridVideo

–23.1%Hard

Array, Dynamic Programming +2· 1 company

3989. Maximum Consistent Columns in a GridVideo

–68.7%Hard

Array, Dynamic Programming +1

4003. Minimum Cost Path with Alternating Directions IIIVideo

Solution61.4%Hard

Array, Graph +3

4046. Minimum Cost Path With At Most K TurnsVideo

–53.9%Hard

Array, Graph +3

Showing 51–75 of 75