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Problems

278 problems

Has videoPremium onlyReset
Array2,209String870Hash Table786Math682Dynamic Programming666Sorting504Greedy480Binary Search352Depth-First Search335Database303Bit Manipulation283Matrix278Tree261Breadth-First Search255Two Pointers249All topics

With video · 278 results

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TitleSolutionAcceptDifficultyTopics
1284. Minimum Number of Flips to Convert Binary Matrix to Zero MatrixVideo
Solution72.9%Hard
Array, Bit Manipulation +3· 1 company
1289. Minimum Falling Path Sum IIVideo
Solution63.2%Hard
Array, Dynamic Programming +1· 3 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
1293. Shortest Path in a Grid with Obstacles EliminationVideo
Solution46.8%Hard
Array, Breadth-First Search +1· 14 companies
1301. Number of Paths with Max ScoreVideo
Solution63.4%Hard
Array, Dynamic Programming +1· 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
1337. The K Weakest Rows in a MatrixVideo
Solution74.3%Easy
Array, Binary Search +3· 5 companies
1349. Maximum Students Taking ExamVideo
Solution54.8%Hard
Array, Bit Manipulation +3· 3 companies
1351. Count Negative Numbers in a Sorted MatrixVideo
Solution79.6%Easy
Array, Binary Search +1· 6 companies
1368. Minimum Cost to Make at Least One Valid Path in a GridVideo
Solution70.9%Hard
Array, Breadth-First Search +4· 8 companies
1380. Lucky Numbers in a MatrixVideo
Solution79.9%Easy
Array, Matrix· 3 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
1439. Find the Kth Smallest Sum of a Matrix With Sorted RowsVideo
Solution62.6%Hard
Array, Binary Search +2· 2 companies
1444. Number of Ways of Cutting a PizzaVideo
Solution61.8%Hard
Array, Dynamic Programming +2· 1 company
1463. Cherry Pickup IIVideo
Solution72.4%Hard
Array, Dynamic Programming +1· 7 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
1568. Minimum Number of Days to Disconnect IslandVideo
Solution58.8%Hard
Array, Breadth-First Search +3· 4 companies
1572. Matrix Diagonal SumVideo
Solution84.2%Easy
Array, Matrix· 6 companies
1582. Special Positions in a Binary MatrixVideo
Solution72.6%Easy
Array, Matrix· 3 companies
1591. Strange Printer IIVideo
Solution61.4%Hard
Array, Graph +2· 1 company
1594. Maximum Non Negative Product in a MatrixVideo
Solution51.5%Medium
Array, Dynamic Programming +1· 4 companies
1595. Minimum Cost to Connect Two Groups of PointsVideo
Solution50.9%Hard
Array, Bit Manipulation +3· 1 company
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
1632. Rank Transform of a MatrixVideo
Solution42.7%Hard
Array, Graph +4· 3 companies
1672. Richest Customer WealthVideo
Solution88.9%Easy
Array, Matrix· 5 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
1728. Cat and Mouse IIVideo
Solution40.4%Hard
Array, Dynamic Programming +6· 1 company
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
1886. Determine Whether Matrix Can Be Obtained By RotationVideo
Solution68.2%Easy
Array, Matrix· 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
1970. Last Day Where You Can Still CrossVideo
Solution68.7%Hard
Array, Binary Search +4· 4 companies
1975. Maximum Matrix SumVideo
Solution67.6%Medium
Array, Greedy +1· 6 companies
Showing 101–150 of 278