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1,212 problems

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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

Medium · 1,212 results

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TitleSolutionAcceptDifficultyTopics

3882. Minimum XOR Path in a GridVideo

–39.5%Medium

Array, Bit Manipulation +2· 1 company

3885. Design Event ManagerVideo

Solution50.3%Medium

Array, Design +3· 1 company

3891. Minimum Increase to Maximize Special IndicesVideo

Solution19.8%Medium

Array, Dynamic Programming +2· 1 company

3895. Count Digit AppearancesVideo

Solution86.2%Medium

3896. Minimum Operations to Transform Array into Alternating PrimeVideo

Solution53.2%Medium

Array, Binary Search +4· 1 company

3899. Angles of a TriangleVideo

Solution62.5%Medium

Array, Geometry +1

3904. Smallest Stable Index IIVideo

Solution74.7%Medium

3905. Multi Source Flood FillVideo

Solution56.3%Medium

Array, Breadth-First Search +1

3909. Compare Sums of Bitonic PartsVideo

Solution52.8%Medium

3914. Minimum Operations to Make Array Non DecreasingVideo

Solution54.9%Medium

Array, Greedy· 1 company

3919. Minimum Cost to Move Between IndicesVideo

Solution49.4%Medium

Array, Greedy +1

3923. Minimum Generations to Target PointVideo

–42.9%Medium

Array, Hash Table +1

3926. Count Valid Word OccurrencesVideo

Solution48.1%Medium

Array, Counting +2

3927. Minimize Array Sum Using Divisible ReplacementsVideo

–32.2%Medium

Array, Greedy +3· 1 company

3933. Largest Local Values in a Matrix IIVideo

–18.5%Medium

Array, Matrix +1

3937. Minimum Operations to Make Array Modulo Alternating IVideo

Solution46.5%Medium

Array, Enumeration

3938. Maximum Path Intersection Sum in a GridVideo

–25.6%Medium

Array, Dynamic Programming +2

3942. Minimum Operations to Sort a PermutationVideo

Solution52.7%Medium

Array· 1 company

3946. Maximum Number of Items From Sale IVideo

Solution37.3%Medium

Array, Dynamic Programming +1· 1 company

3947. Maximum Number of Items From Sale IIVideo

–30.2%Medium

Array, Greedy +2

3951. Minimum Energy to Maintain BrightnessVideo

Solution53.4%Medium

3952. Maximum Total Value of Covered IndicesVideo

–28.5%Medium

Array, Dynamic Programming +2· 1 company

3960. Frequency Balance SubarrayVideo

Solution29.5%Medium

Array, Counting +1· 1 company

3961. Maximize Sum of Device RatingsVideo

Solution39.4%Medium

Array, Greedy +2· 2 companies

3964. Minimum Lights to Illuminate a RoadVideo

Solution37.8%Medium

Array, Prefix Sum

3965. Finish Time of Tasks IVideo

Solution60.3%Medium

Array, Depth-First Search +2

3969. Valid Subarrays With Matching Sum Digits IVideo

Solution46.8%Medium

Array, Enumeration +3· 1 company

3974. Maximum Total Sum of K Selected ElementsVideo

Solution49.1%Medium

Array, Greedy +1

3975. Filter Occupied IntervalsVideo

Solution44.6%Medium

Array, Sorting· 1 company

3976. Maximum Subarray Sum After MultiplierVideo

Solution25.9%Medium

Array, Dynamic Programming· 2 companies

3979. Maximum Valid Pair SumVideo

Solution49.2%Medium

Array, Enumeration

3984. Divisible GameVideo

–42.3%Medium

Array, Dynamic Programming +3

3987. Minimum Total Cost to Process All ElementsVideo

Solution24.7%Medium

3988. Create Grid With Exactly K Paths IVideo

–33.1%Medium

Array, Combinatorics +2

3994. Minimum Adjacent Swaps to Partition ArrayVideo

–57.4%Medium

3998. Transform Binary String Using Subsequence SortVideo

–37.9%Medium

Array, Greedy +2

4001. Aggregate Two Time SeriesVideo

Solution57.9%Medium

Array, Two Pointers

4008. Minimum Initial Strength to Defeat All MonstersVideo

Solution50.1%Medium

Array, Binary Search +2

4011. Count Subarrays With Even Odd Ratio IVideo

Solution60.6%Medium

Array, Binary Indexed Tree +4

4012. Count of Unfinished Tasks After Each ShiftVideo

Solution41.9%Medium

Array, Binary Search +1

4014. Minimum Total Price After Applying DiscountsVideo

Solution71.8%Medium

Array, Greedy +2

4015. Weighted Sum of a TreeVideo

Solution41.7%Medium

Array, Depth-First Search +1

4016. Maximum Area of Two Non-Overlapping Square SubmatricesVideo

Solution40.9%Medium

Array, Binary Search +2

4025. Minimize the Maximum Waiting Time at Synchronized Traffic LightsVideo

Solution64.7%Medium

4031. Find All Numbers Disappeared in an Array IIVideo

Solution52.8%Medium

Array, Binary Search +1

4032. Longest Subarray With at Most K Distinct Prime FactorsVideo

Solution56.5%Medium

Array, Hash Table +3

4034. Minimum Bishop Moves to Reach TargetVideo

Solution65.4%Medium

4035. Maximum Valid Split Positions IVideo

Solution51.8%Medium

Array, Enumeration +2

4036. Lexicographically Largest String After Pair TransformationsVideo

Solution42.8%Medium

Array, Bit Manipulation +2

4039. Sum of Decoded NumbersVideo

Solution44.8%Medium

Showing 1,151–1,200 of 1,212