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2,093 problems

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Array1,196 Hash Table465 String434 Greedy327 Math327 Dynamic Programming324 Sorting300 Depth-First Search208 Binary Search187 Breadth-First Search165 Matrix163 Tree157 Prefix Sum153 Two Pointers148 Database135 All topics

Medium · With video · 2,093 results

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TitleSolutionAcceptDifficultyTopics

2958. Length of Longest Subarray With at Most K FrequencyVideo

Solution60.4%Medium

Array, Hash Table +1· 4 companies

2961. Double Modular ExponentiationVideo

Solution47.9%Medium

Array, Math +1· 1 company

2962. Count Subarrays Where Max Element Appears at Least K TimesVideo

Solution62.4%Medium

Array, Sliding Window· 6 companies

2964. Number of Divisible Triplet SumsVideoPremium

Solution67.5%Medium

Array, Hash Table· 9 companies

2966. Divide Array Into Arrays With Max DifferenceVideo

Solution79.0%Medium

Array, Greedy +1· 6 companies

2967. Minimum Cost to Make Array EqualindromicVideo

Solution23.4%Medium

Array, Binary Search +3· 1 company

2971. Find Polygon With the Largest PerimeterVideo

Solution65.7%Medium

Array, Greedy +2· 1 company

2975. Maximum Square Area by Removing Fences From a FieldVideo

Solution49.5%Medium

Array, Enumeration +1· 3 companies

2976. Minimum Cost to Convert String IVideo

Solution63.2%Medium

Array, Graph +2· 4 companies

2979. Most Expensive Item That Can Not Be BoughtVideoPremium

Solution80.2%Medium

Dynamic Programming, Math +1· 1 company

2981. Find Longest Special Substring That Occurs Thrice IVideo

Solution61.9%Medium

Binary Search, Counting +3· 3 companies

2982. Find Longest Special Substring That Occurs Thrice IIVideo

Solution39.2%Medium

Binary Search, Counting +3· 2 companies

2984. Find Peak Calling Hours for Each CityVideoPremium

Solution61.1%Medium

Database· 1 company

2986. Find Third TransactionVideoPremium

Solution54.1%Medium

Database· 1 company

2988. Manager of the Largest DepartmentVideoPremium

Solution81.0%Medium

Database· 1 company

2989. Class PerformanceVideoPremium

Solution88.6%Medium

Database· 1 company

2992. Number of Self-Divisible PermutationsVideoPremium

Solution72.0%Medium

Array, Backtracking +3· 1 company

2993. Friday Purchases IVideoPremium

Solution81.1%Medium

Database· 1 company

2997. Minimum Number of Operations to Make Array XOR Equal to KVideo

Solution85.1%Medium

Array, Bit Manipulation· 3 companies

2998. Minimum Number of Operations to Make X and Y EqualVideo

Solution48.4%Medium

Breadth-First Search, Dynamic Programming +1· 2 companies

3001. Minimum Moves to Capture The QueenVideo

Solution22.3%Medium

Array, Enumeration· 2 companies

3002. Maximum Size of a Set After RemovalsVideo

Solution46.2%Medium

Array, Greedy +1· 2 companies

3004. Maximum Subtree of the Same ColorVideoPremium

Solution59.2%Medium

Array, Depth-First Search +2· 2 companies

3006. Find Beautiful Indices in the Given Array IVideo

Solution41.2%Medium

Binary Search, Hash Function +4· 5 companies

3007. Maximum Number That Sum of the Prices Is Less Than or Equal to KVideo

Solution38.4%Medium

Binary Search, Bit Manipulation +1· 2 companies

3011. Find if Array Can Be SortedVideo

Solution66.4%Medium

Array, Bit Manipulation +1· 5 companies

3012. Minimize Length of Array Using OperationsVideo

Solution35.7%Medium

Array, Greedy +2· 4 companies

3015. Count the Number of Houses at a Certain Distance IVideo

Solution58.2%Medium

Breadth-First Search, Graph +1· 1 company

3016. Minimum Number of Pushes to Type Word IIVideo

Solution83.2%Medium

Counting, Greedy +3· 3 companies

3020. Find the Maximum Number of Elements in SubsetVideo

Solution42.2%Medium

Array, Enumeration +1· 5 companies

3021. Alice and Bob Playing Flower GameVideo

Solution60.2%Medium

Math· 5 companies

3023. Find Pattern in Infinite Stream IVideoPremium

Solution57.5%Medium

Array, Hash Function +3· 1 company

3025. Find the Number of Ways to Place People IVideo

Solution64.0%Medium

Array, Enumeration +3· 4 companies

3026. Maximum Good Subarray SumVideo

Solution22.7%Medium

Array, Hash Table +1· 5 companies

3029. Minimum Time to Revert Word to Initial State IVideo

Solution42.4%Medium

Hash Function, Rolling Hash +2· 1 company

3030. Find the Grid of Region AverageVideo

Solution43.0%Medium

Array, Matrix· 2 companies

3034. Number of Subarrays That Match a Pattern IVideo

Solution67.9%Medium

Array, Hash Function +2· 5 companies

3035. Maximum Palindromes After OperationsVideo

Solution47.2%Medium

Array, Counting +4· 8 companies

3039. Apply Operations to Make String EmptyVideo

Solution57.5%Medium

Array, Counting +2· 1 company

3040. Maximum Number of Operations With the Same Score IIVideo

Solution34.1%Medium

Array, Dynamic Programming +1· 1 company

3043. Find the Length of the Longest Common PrefixVideo

Solution62.1%Medium

Array, Hash Table +2· 17 companies

3044. Most Frequent PrimeVideo

Solution45.5%Medium

Array, Counting +5· 1 company

3047. Find the Largest Area of Square Inside Two RectanglesVideo

Solution66.9%Medium

Array, Geometry +1· 5 companies

3048. Earliest Second to Mark Indices IVideo

Solution37.3%Medium

Array, Binary Search· 1 company

3050. Pizza Toppings Cost AnalysisVideoPremium

Solution69.2%Medium

Database· 1 company

3054. Binary Tree NodesVideoPremium

Solution78.0%Medium

Database· 1 company

3055. Top Percentile FraudVideoPremium

Solution57.4%Medium

3056. Snaps AnalysisVideoPremium

Solution58.8%Medium

3058. Friends With No Mutual FriendsVideoPremium

Solution49.4%Medium

3064. Guess the Number Using Bitwise Questions IVideoPremium

Solution89.0%Medium

Bit Manipulation, Interactive

Showing 1,551–1,600 of 2,093