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Problems

578 problems

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Array578Dynamic Programming332String191Math187Binary Search136Hash Table134Sorting106Greedy104Bit Manipulation103Graph96Depth-First Search91Heap (Priority Queue)78Prefix Sum77Matrix75Breadth-First Search71All topics

Hard · 578 results

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TitleSolutionAcceptDifficultyTopics
1766. Tree of CoprimesVideo
Solution45.1%Hard
Array, Depth-First Search +3· 1 company
1770. Maximum Score from Performing Multiplication OperationsVideo
Solution43.2%Hard
Array, Dynamic Programming· 1 company
1776. Car Fleet IIVideo
Solution58.4%Hard
Array, Heap (Priority Queue) +3· 3 companies
1782. Count Pairs Of NodesVideo
Solution43.3%Hard
Array, Binary Search +3· 1 company
1787. Make the XOR of All Segments Equal to ZeroVideo
Solution41.1%Hard
Array, Bit Manipulation +1· 2 companies
1788. Maximize the Beauty of the GardenVideoPremium
Solution62.8%Hard
Array, Greedy +2· 1 company
1793. Maximum Score of a Good SubarrayVideo
Solution64.3%Hard
Array, Binary Search +3· 2 companies
1799. Maximize Score After N OperationsVideo
Solution57.8%Hard
Array, Backtracking +5· 2 companies
1803. Count Pairs With XOR in a RangeVideo
Solution46.9%Hard
Array, Bit Manipulation +1· 1 company
1815. Maximum Number of Groups Getting Fresh DonutsVideo
Solution41.7%Hard
Array, Bit Manipulation +3· 1 company
1819. Number of Different Subsequences GCDsVideo
Solution47.2%Hard
Array, Counting +2· 2 companies
1835. Find XOR Sum of All Pairs Bitwise ANDVideo
Solution62.6%Hard
Array, Bit Manipulation +1· 1 company
1840. Maximum Building HeightVideo
Solution67.1%Hard
Array, Math +1· 6 companies
1847. Closest RoomVideo
Solution41.9%Hard
Array, Binary Search +2· 1 company
1851. Minimum Interval to Include Each QueryVideo
Solution55.4%Hard
Array, Binary Search +3· 3 companies
1862. Sum of Floored PairsVideo
Solution31.4%Hard
Array, Binary Search +2
1872. Stone Game VIIIVideo
Solution75.2%Hard
Array, Dynamic Programming +3· 1 company
1879. Minimum XOR Sum of Two ArraysVideo
Solution52.0%Hard
Array, Bit Manipulation +2· 1 company
1883. Minimum Skips to Arrive at Meeting On TimeVideo
Solution38.9%Hard
Array, Dynamic Programming· 1 company
1889. Minimum Space Wasted From PackagingVideo
Solution33.6%Hard
Array, Binary Search +2· 3 companies
1912. Design Movie Rental SystemVideo
Solution62.5%Hard
Array, Design +3· 2 companies
1923. Longest Common SubpathVideo
Solution30.7%Hard
Array, Binary Search +3· 1 company
1924. Erect the Fence IIVideoPremium
–49.4%Hard
Array, Geometry +1· 1 company
1928. Minimum Cost to Reach Destination in TimeVideo
Solution42.6%Hard
Array, Dynamic Programming +1· 6 companies
1938. Maximum Genetic Difference QueryVideo
Solution48.6%Hard
Array, Bit Manipulation +3· 1 company
1944. Number of Visible People in a QueueVideo
Solution73.3%Hard
Array, Monotonic Stack +1· 17 companies
1948. Delete Duplicate Folders in SystemVideo
Solution77.7%Hard
Array, Hash Function +3· 6 companies
1955. Count Number of Special SubsequencesVideo
Solution53.4%Hard
Array, Dynamic Programming· 1 company
1956. Minimum Time For K Virus Variants to SpreadVideoPremium
–49.5%Hard
Array, Binary Search +3
1964. Find the Longest Valid Obstacle Course at Each PositionVideo
Solution62.8%Hard
Array, Binary Indexed Tree +1· 1 company
1970. Last Day Where You Can Still CrossVideo
Solution68.7%Hard
Array, Binary Search +4· 4 companies
1982. Find Array Given Subset SumsVideo
Solution49.7%Hard
Array, Divide and Conquer· 1 company
1994. The Number of Good SubsetsVideo
Solution37.8%Hard
Array, Bit Manipulation +3· 2 companies
1998. GCD Sort of an ArrayVideo
Solution51.3%Hard
Array, Math +3· 1 company
2009. Minimum Number of Operations to Make Array ContinuousVideo
Solution52.0%Hard
Array, Binary Search +2· 5 companies
2019. The Score of Students Solving Math ExpressionVideo
Solution34.8%Hard
Array, Dynamic Programming +4· 2 companies
2025. Maximum Number of Ways to Partition an ArrayVideo
Solution36.2%Hard
Array, Counting +3· 2 companies
2035. Partition Array Into Two Arrays to Minimize Sum DifferenceVideo
Solution24.4%Hard
Array, Binary Search +5· 9 companies
2040. Kth Smallest Product of Two Sorted ArraysVideo
Solution48.8%Hard
Array, Binary Search· 5 companies
2050. Parallel Courses IIIVideo
Solution67.0%Hard
Array, Dynamic Programming +2· 9 companies
2056. Number of Valid Move Combinations On ChessboardVideo
Solution48.7%Hard
Array, Backtracking +2· 2 companies
2065. Maximum Path Quality of a GraphVideo
Solution63.1%Hard
Array, Backtracking +1· 5 companies
2071. Maximum Number of Tasks You Can AssignVideo
Solution50.1%Hard
Array, Binary Search +4· 5 companies
2088. Count Fertile Pyramids in a LandVideo
Solution66.5%Hard
Array, Dynamic Programming +1· 1 company
2106. Maximum Fruits Harvested After at Most K StepsVideo
Solution61.0%Hard
Array, Binary Search +2· 5 companies
2111. Minimum Operations to Make the Array K-IncreasingVideo
Solution41.1%Hard
Array, Binary Search· 1 company
2122. Recover the Original ArrayVideo
Solution42.0%Hard
Array, Enumeration +3· 1 company
2123. Minimum Operations to Remove Adjacent Ones in MatrixVideoPremium
Solution42.5%Hard
Array, Graph +1· 1 company
2132. Stamping the GridVideo
Solution36.3%Hard
Array, Greedy +2· 1 company
2136. Earliest Possible Day of Full BloomVideo
Solution71.4%Hard
Array, Greedy +1· 1 company
Showing 201–250 of 578