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163 problems

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Array1,212 Hash Table473 String437 Math331 Greedy330 Dynamic Programming327 Sorting302 Depth-First Search208 Binary Search189 Breadth-First Search166 Matrix163 Tree158 Prefix Sum155 Two Pointers150 Database137 All topics

Medium · 163 results

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TitleSolutionAcceptDifficultyTopics

1102. Path With Maximum Minimum ValueVideoPremium

Solution54.6%Medium

Array, Binary Search +5· 3 companies

1139. Largest 1-Bordered SquareVideo

Solution52.7%Medium

Array, Dynamic Programming +1· 4 companies

1162. As Far from Land as PossibleVideo

Solution52.2%Medium

Array, Breadth-First Search +2· 7 companies

1198. Find Smallest Common Element in All RowsVideoPremium

Solution76.5%Medium

Array, Binary Search +3· 2 companies

1219. Path with Maximum GoldVideo

Solution68.6%Medium

Array, Backtracking +1· 5 companies

1222. Queens That Can Attack the KingVideo

Solution72.6%Medium

Array, Matrix +1· 2 companies

1253. Reconstruct a 2-Row Binary MatrixVideo

Solution49.4%Medium

Array, Greedy +1· 1 company

1254. Number of Closed IslandsVideo

Solution67.7%Medium

Array, Breadth-First Search +3· 5 companies

1267. Count Servers that CommunicateVideo

Solution73.5%Medium

Array, Breadth-First Search +4· 6 companies

1277. Count Square Submatrices with All OnesVideo

Solution80.7%Medium

Array, Dynamic Programming +1· 6 companies

1292. Maximum Side Length of a Square with Sum Less than or Equal to ThresholdVideo

Solution65.4%Medium

Array, Binary Search +2· 4 companies

1314. Matrix Block SumVideo

Solution77.0%Medium

Array, Matrix +1· 3 companies

1329. Sort the Matrix DiagonallyVideo

Solution82.9%Medium

Array, Matrix +1· 4 companies

1391. Check if There is a Valid Path in a GridVideo

Solution64.5%Medium

Array, Breadth-First Search +3· 3 companies

1428. Leftmost Column with at Least a OneVideoPremium

Solution55.3%Medium

Array, Binary Search +2· 3 companies

1476. Subrectangle QueriesVideo

Solution86.3%Medium

Array, Design +1· 3 companies

1504. Count Submatrices With All OnesVideo

Solution71.0%Medium

Array, Dynamic Programming +3· 4 companies

1536. Minimum Swaps to Arrange a Binary GridVideo

Solution70.1%Medium

Array, Greedy +1· 2 companies

1559. Detect Cycles in 2D GridVideo

Solution63.2%Medium

Array, Breadth-First Search +3· 6 companies

1594. Maximum Non Negative Product in a MatrixVideo

Solution51.5%Medium

Array, Dynamic Programming +1· 4 companies

1605. Find Valid Matrix Given Row and Column SumsVideo

Solution83.0%Medium

Array, Greedy +1· 2 companies

1631. Path With Minimum EffortVideo

Solution64.1%Medium

Array, Binary Search +5· 9 companies

1706. Where Will the Ball FallVideo

Solution72.5%Medium

Array, Matrix +1· 1 company

1727. Largest Submatrix With RearrangementsVideo

Solution80.3%Medium

Array, Greedy +2· 6 companies

1730. Shortest Path to Get FoodVideoPremium

Solution57.7%Medium

Array, Breadth-First Search +1· 2 companies

1738. Find Kth Largest XOR Coordinate ValueVideo

Solution64.3%Medium

Array, Bit Manipulation +6· 1 company

1765. Map of Highest PeakVideo

Solution76.3%Medium

Array, Breadth-First Search +1· 3 companies

1820. Maximum Number of Accepted InvitationsVideoPremium

Solution52.4%Medium

Array, Depth-First Search +2· 2 companies

1861. Rotating the BoxVideo

Solution82.4%Medium

Array, Matrix +1· 10 companies

1878. Get Biggest Three Rhombus Sums in a GridVideo

Solution71.4%Medium

Array, Heap (Priority Queue) +4· 4 companies

1895. Largest Magic SquareVideo

Solution75.3%Medium

Array, Matrix +1· 3 companies

1901. Find a Peak Element IIVideo

Solution55.7%Medium

Array, Binary Search +1· 7 companies

1905. Count Sub IslandsVideo

Solution72.8%Medium

Array, Breadth-First Search +3· 5 companies

1914. Cyclically Rotating a GridVideo

Solution74.2%Medium

Array, Matrix +1· 3 companies

1926. Nearest Exit from Entrance in MazeVideo

Solution49.0%Medium

Array, Breadth-First Search +1· 9 companies

1937. Maximum Number of Points with CostVideo

Solution41.8%Medium

Array, Dynamic Programming +1· 4 companies

1958. Check if Move is LegalVideo

Solution51.2%Medium

Array, Enumeration +1· 1 company

1975. Maximum Matrix SumVideo

Solution67.6%Medium

Array, Greedy +1· 6 companies

1981. Minimize the Difference Between Target and Chosen ElementsVideo

Solution36.8%Medium

Array, Dynamic Programming +1· 2 companies

1992. Find All Groups of FarmlandVideo

Solution75.6%Medium

Array, Breadth-First Search +2· 2 companies

2017. Grid GameVideo

Solution60.9%Medium

Array, Matrix +1· 4 companies

2018. Check if Word Can Be Placed In CrosswordVideo

Solution50.7%Medium

Array, Enumeration +1· 1 company

2033. Minimum Operations to Make a Uni-Value GridVideo

Solution70.7%Medium

Array, Math +2· 5 companies

2061. Number of Spaces Cleaning Robot CleanedVideoPremium

Solution64.3%Medium

Array, Matrix +1· 2 companies

2125. Number of Laser Beams in a BankVideo

Solution87.0%Medium

Array, Math +2· 2 companies

2128. Remove All Ones With Row and Column FlipsVideoPremium

Solution76.2%Medium

Array, Bit Manipulation +2· 1 company

2146. K Highest Ranked Items Within a Price RangeVideo

Solution47.1%Medium

Array, Breadth-First Search +3· 1 company

2174. Remove All Ones With Row and Column Flips IIVideoPremium

Solution67.2%Medium

Array, Bit Manipulation +2· 1 company

2245. Maximum Trailing Zeros in a Cornered PathVideo

Solution38.2%Medium

Array, Matrix +1

2257. Count Unguarded Cells in the GridVideo

Solution69.0%Medium

Array, Matrix +1· 6 companies

Showing 51–100 of 163