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Problems

2,237 problems

Has videoPremium onlyReset
Array2,237String877Hash Table797Math691Dynamic Programming673Sorting508Greedy485Binary Search357Depth-First Search338Database308Bit Manipulation286Matrix279Tree264Breadth-First Search257Prefix Sum252All topics

2,237 results

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TitleSolutionAcceptDifficultyTopics
2006. Count Number of Pairs With Absolute Difference KVideo
Solution85.4%Easy
Array, Counting +1· 4 companies
2007. Find Original Array From Doubled ArrayVideo
Solution41.0%Medium
Array, Greedy +2· 6 companies
2008. Maximum Earnings From TaxiVideo
Solution46.9%Medium
Array, Binary Search +3· 8 companies
2009. Minimum Number of Operations to Make Array ContinuousVideo
Solution52.0%Hard
Array, Binary Search +2· 5 companies
2011. Final Value of Variable After Performing OperationsVideo
Solution90.6%Easy
Array, Simulation +1· 5 companies
2012. Sum of Beauty in the ArrayVideo
Solution51.8%Medium
Array· 1 company
2013. Detect SquaresVideo
Solution53.0%Medium
Array, Counting +2· 4 companies
2015. Average Height of Buildings in Each SegmentVideoPremium
Solution57.9%Medium
Array, Greedy +2· 1 company
2016. Maximum Difference Between Increasing ElementsVideo
Solution66.5%Easy
Array· 6 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
2019. The Score of Students Solving Math ExpressionVideo
Solution34.8%Hard
Array, Dynamic Programming +4· 2 companies
2021. Brightest Position on StreetVideoPremium
Solution60.5%Medium
Array, Ordered Set +1· 6 companies
2022. Convert 1D Array Into 2D ArrayVideo
Solution72.2%Easy
Array, Matrix +1· 5 companies
2023. Number of Pairs of Strings With Concatenation Equal to TargetVideo
Solution75.6%Medium
Array, Counting +2· 2 companies
2025. Maximum Number of Ways to Partition an ArrayVideo
Solution36.2%Hard
Array, Counting +3· 2 companies
2028. Find Missing ObservationsVideo
Solution57.5%Medium
Array, Math +1· 5 companies
2029. Stone Game IXVideo
Solution57.6%Medium
Array, Counting +3· 1 company
2031. Count Subarrays With More Ones Than ZerosVideoPremium
Solution49.7%Medium
Array, Binary Indexed Tree +5· 1 company
2032. Two Out of ThreeVideo
Solution77.5%Easy
Array, Bit Manipulation +1· 2 companies
2033. Minimum Operations to Make a Uni-Value GridVideo
Solution70.7%Medium
Array, Math +2· 5 companies
2035. Partition Array Into Two Arrays to Minimize Sum DifferenceVideo
Solution24.4%Hard
Array, Binary Search +5· 9 companies
2036. Maximum Alternating Subarray SumVideoPremium
Solution40.0%Medium
Array, Dynamic Programming· 1 company
2037. Minimum Number of Moves to Seat EveryoneVideo
Solution87.4%Easy
Array, Counting Sort +2· 3 companies
2039. The Time When the Network Becomes IdleVideo
Solution56.1%Medium
Array, Breadth-First Search +1· 3 companies
2040. Kth Smallest Product of Two Sorted ArraysVideo
Solution48.8%Hard
Array, Binary Search· 5 companies
2043. Simple Bank SystemVideo
Solution69.7%Medium
Array, Design +2· 20 companies
2044. Count Number of Maximum Bitwise-OR SubsetsVideo
Solution89.5%Medium
Array, Backtracking +2· 7 companies
2049. Count Nodes With the Highest ScoreVideo
Solution52.6%Medium
Array, Binary Tree +2· 3 companies
2050. Parallel Courses IIIVideo
Solution67.0%Hard
Array, Dynamic Programming +2· 9 companies
2052. Minimum Cost to Separate Sentence Into RowsVideoPremium
Solution50.1%Medium
Array, Dynamic Programming· 1 company
2053. Kth Distinct String in an ArrayVideo
Solution82.1%Easy
Array, Counting +2· 2 companies
2054. Two Best Non-Overlapping EventsVideo
Solution64.0%Medium
Array, Binary Search +3· 7 companies
2055. Plates Between CandlesVideo
Solution47.4%Medium
Array, Binary Search +2· 3 companies
2056. Number of Valid Move Combinations On ChessboardVideo
Solution48.7%Hard
Array, Backtracking +2· 2 companies
2057. Smallest Index With Equal ValueVideo
Solution73.8%Easy
Array· 2 companies
2059. Minimum Operations to Convert NumberVideo
Solution52.3%Medium
Array, Breadth-First Search· 1 company
2061. Number of Spaces Cleaning Robot CleanedVideoPremium
Solution64.3%Medium
Array, Matrix +1· 2 companies
2064. Minimized Maximum of Products Distributed to Any StoreVideo
Solution63.1%Medium
Array, Binary Search +1· 5 companies
2065. Maximum Path Quality of a GraphVideo
Solution63.1%Hard
Array, Backtracking +1· 5 companies
2070. Most Beautiful Item for Each QueryVideo
Solution62.2%Medium
Array, Binary Search +1· 4 companies
2071. Maximum Number of Tasks You Can AssignVideo
Solution50.1%Hard
Array, Binary Search +4· 5 companies
2073. Time Needed to Buy TicketsVideo
Solution73.5%Easy
Array, Queue +1· 7 companies
2078. Two Furthest Houses With Different ColorsVideo
Solution71.8%Easy
Array, Greedy· 5 companies
2079. Watering PlantsVideo
Solution79.9%Medium
Array, Simulation· 3 companies
2080. Range Frequency QueriesVideo
Solution44.3%Medium
Array, Binary Search +3· 2 companies
2085. Count Common Words With One OccurrenceVideo
Solution73.9%Easy
Array, Counting +2· 1 company
2087. Minimum Cost Homecoming of a Robot in a GridVideo
Solution51.7%Medium
Array, Greedy· 3 companies
2088. Count Fertile Pyramids in a LandVideo
Solution66.5%Hard
Array, Dynamic Programming +1· 1 company
2089. Find Target Indices After Sorting ArrayVideo
Solution82.1%Easy
Array, Binary Search +1· 3 companies
Showing 1,001–1,050 of 2,237