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2,209 problems

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Array2,209 String870 Hash Table786 Math682 Dynamic Programming666 Sorting504 Greedy480 Binary Search352 Depth-First Search335 Database303 Bit Manipulation283 Matrix278 Tree261 Breadth-First Search255 Two Pointers249 All topics

With video · 2,209 results

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TitleSolutionAcceptDifficultyTopics

3901. Good Subsequence QueriesVideo

Solution19.9%Hard

Array, Math +2· 2 companies

3903. Smallest Stable Index IVideo

Solution76.5%Easy

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

3910. Count Connected Subgraphs with Even Node SumVideo

Solution59.0%Hard

Array, Bit Manipulation +5

3911. K-th Smallest Remaining Even Integer in Subarray QueriesVideo

–28.6%Hard

Array, Binary Search

3912. Valid Elements in an ArrayVideo

Solution56.7%Easy

3914. Minimum Operations to Make Array Non DecreasingVideo

Solution54.9%Medium

Array, Greedy· 1 company

3915. Maximum Sum of Alternating Subsequence With Distance at Least KVideo

Solution30.7%Hard

Array, Dynamic Programming +1· 1 company

3917. Count Indices With Opposite ParityVideo

Solution80.5%Easy

3919. Minimum Cost to Move Between IndicesVideo

Solution49.4%Medium

Array, Greedy +1

3920. Maximize Fixed Points After DeletionsVideo

–19.9%Hard

Array, Binary Search +1· 1 company

3921. Score ValidatorVideo

Solution72.5%Easy

Array, Simulation +1

3923. Minimum Generations to Target PointVideo

–42.9%Medium

Array, Hash Table +1

3925. Concatenate Array With ReverseVideo

Solution91.1%Easy

Array, Simulation

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

3928. Minimum Cost to Buy Apples IIVideo

–31.8%Hard

Array, Graph +2· 1 company

3933. Largest Local Values in a Matrix IIVideo

–18.5%Medium

Array, Matrix +1

3934. Smallest Unique SubarrayVideo

Solution39.7%Hard

Array, Binary Search +4

3936. Minimum Swaps to Move Zeros to EndVideo

Solution59.7%Easy

Array, Two Pointers

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

3939. Count Non Adjacent Subsets in a Rooted TreeVideo

–51.7%Hard

Array, Depth-First Search +2· 1 company

3940. Limit Occurrences in Sorted ArrayVideo

Solution72.6%Easy

Array, Two Pointers

3942. Minimum Operations to Sort a PermutationVideo

Solution52.7%Medium

Array· 1 company

3943. Number of Pairs After IncrementVideo

–20.9%Hard

Array, Counting +2

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

3948. Lexicographically Maximum MEX ArrayVideo

–53.6%Hard

Array, Greedy +2· 2 companies

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

3953. Maximum Score with Co-Prime ElementVideo

–27.5%Hard

Array, Combinatorics +4· 2 companies

3956. Maximum Sum of M Non-Overlapping Subarrays IVideo

–26.3%Hard

Array, Binary Search +5

3957. Maximum Sum of M Non-Overlapping Subarrays IIVideo

–16.6%Hard

Array, Binary Search +5

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

3962. Maximum Subarray Sum After at Most K SwapsVideo

Solution14.2%Hard

Array, Binary Indexed Tree +5· 1 company

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

3971. Maximum Total ValueVideo

–29.7%Hard

Array, Binary Search +2· 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

3977. Minimum Time to Reach Target With Limited PowerVideo

Solution40.4%Hard

Array, Dynamic Programming +3

3978. Unique Middle ElementVideo

Solution72.3%Easy

Array, Counting

3979. Maximum Valid Pair SumVideo

Solution49.2%Medium

Array, Enumeration

3982. Sum of Integers with Maximum Digit RangeVideo

Solution72.9%Easy

Showing 2,101–2,150 of 2,209