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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

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TitleSolutionAcceptDifficultyTopics

1985. Find the Kth Largest Integer in the ArrayVideo

Solution48.3%Medium

Array, Divide and Conquer +4· 1 company

1986. Minimum Number of Work Sessions to Finish the TasksVideo

Solution35.3%Medium

Array, Backtracking +3· 2 companies

1989. Maximum Number of People That Can Be Caught in TagVideoPremium

Solution49.4%Medium

1992. Find All Groups of FarmlandVideo

Solution75.6%Medium

Array, Breadth-First Search +2· 2 companies

1993. Operations on TreeVideo

Solution46.3%Medium

Array, Breadth-First Search +4· 3 companies

1996. The Number of Weak Characters in the GameVideo

Solution44.7%Medium

Array, Greedy +3· 1 company

1997. First Day Where You Have Been in All the RoomsVideo

Solution40.5%Medium

Array, Dynamic Programming· 1 company

2001. Number of Pairs of Interchangeable RectanglesVideo

Solution53.1%Medium

Array, Counting +3· 2 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

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

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

2021. Brightest Position on StreetVideoPremium

Solution60.5%Medium

Array, Ordered Set +1· 6 companies

2023. Number of Pairs of Strings With Concatenation Equal to TargetVideo

Solution75.6%Medium

Array, Counting +2· 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

2033. Minimum Operations to Make a Uni-Value GridVideo

Solution70.7%Medium

Array, Math +2· 5 companies

2036. Maximum Alternating Subarray SumVideoPremium

Solution40.0%Medium

Array, Dynamic Programming· 1 company

2039. The Time When the Network Becomes IdleVideo

Solution56.1%Medium

Array, Breadth-First Search +1· 3 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

2052. Minimum Cost to Separate Sentence Into RowsVideoPremium

Solution50.1%Medium

Array, Dynamic Programming· 1 company

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

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

2070. Most Beautiful Item for Each QueryVideo

Solution62.2%Medium

Array, Binary Search +1· 4 companies

2079. Watering PlantsVideo

Solution79.9%Medium

Array, Simulation· 3 companies

2080. Range Frequency QueriesVideo

Solution44.3%Medium

Array, Binary Search +3· 2 companies

2087. Minimum Cost Homecoming of a Robot in a GridVideo

Solution51.7%Medium

Array, Greedy· 3 companies

2090. K Radius Subarray AveragesVideo

Solution46.6%Medium

Array, Sliding Window· 4 companies

2091. Removing Minimum and Maximum From ArrayVideo

Solution67.5%Medium

2098. Subsequence of Size K With the Largest Even SumVideoPremium

Solution35.5%Medium

Array, Greedy +1· 3 companies

2100. Find Good Days to Rob the BankVideo

Solution52.1%Medium

Array, Dynamic Programming +1· 2 companies

2101. Detonate the Maximum BombsVideo

Solution50.0%Medium

Array, Breadth-First Search +4· 7 companies

2104. Sum of Subarray RangesVideo

Solution61.6%Medium

Array, Monotonic Stack +1· 9 companies

2105. Watering Plants IIVideo

Solution48.8%Medium

Array, Simulation +1· 1 company

2107. Number of Unique Flavors After Sharing K CandiesVideoPremium

Solution62.4%Medium

Array, Hash Table +1· 2 companies

2109. Adding Spaces to a StringVideo

Solution71.8%Medium

Array, Simulation +2· 5 companies

2110. Number of Smooth Descent Periods of a StockVideo

Solution67.7%Medium

Array, Dynamic Programming +1· 3 companies

2113. Elements in Array After Removing and Replacing ElementsVideoPremium

Solution69.1%Medium

2115. Find All Possible Recipes from Given SuppliesVideo

Solution56.8%Medium

Array, Graph +3· 10 companies

2121. Intervals Between Identical ElementsVideo

Solution48.4%Medium

Array, Hash Table +1· 2 companies

2125. Number of Laser Beams in a BankVideo

Solution87.0%Medium

Array, Math +2· 2 companies

Showing 551–600 of 1,212