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Problems

2,133 problems

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Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 2,133 results

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TitleSolutionAcceptDifficultyTopics
2939. Maximum Xor ProductVideo
Solution30.3%Medium
Bit Manipulation, Greedy +1· 4 companies
2943. Maximize Area of Square Hole in GridVideo
Solution61.9%Medium
Array, Sorting· 4 companies
2944. Minimum Number of Coins for FruitsVideo
Solution49.6%Medium
Array, Dynamic Programming +3
2947. Count Beautiful Substrings IVideo
Solution60.9%Medium
Enumeration, Hash Table +4· 1 company
2948. Make Lexicographically Smallest Array by Swapping ElementsVideo
Solution66.4%Medium
Array, Sorting +1· 6 companies
2950. Number of Divisible SubstringsVideoPremium
Solution74.6%Medium
Counting, Hash Table +2· 4 companies
2952. Minimum Number of Coins to be AddedVideo
Solution57.9%Medium
Array, Greedy +1· 3 companies
2955. Number of Same-End SubstringsVideoPremium
Solution60.6%Medium
Array, Counting +3· 2 companies
2957. Remove Adjacent Almost-Equal CharactersVideo
Solution53.6%Medium
Dynamic Programming, Greedy +1· 1 company
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
2978. Symmetric CoordinatesPremium
Solution40.8%Medium
Database· 1 company
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
Showing 1,551–1,600 of 2,133