Skip to content

For employers Sign in

Make and follow sheets.Sign in

Problems

2,093 problems

Has video Premium only Reset

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

Sign in to see which of these you have solved.Sign in

TitleSolutionAcceptDifficultyTopics

3889. Mirror Frequency DistanceVideo

Solution60.7%Medium

Counting, Hash Table +1

3890. Integers With Multiple Sum of Two CubesVideo

Solution54.9%Medium

Counting, Enumeration +2

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

3900. Longest Balanced Substring After One SwapVideo

Solution14.2%Medium

Hash Table, Prefix Sum +1· 1 company

3904. Smallest Stable Index IIVideo

Solution74.7%Medium

3905. Multi Source Flood FillVideo

Solution56.3%Medium

Array, Breadth-First Search +1

3907. Count Smaller Elements With Opposite ParityVideoPremium

Solution71.5%Medium

–

3909. Compare Sums of Bitonic PartsVideo

Solution52.8%Medium

3913. Sort Vowels by FrequencyVideo

Solution61.5%Medium

Counting, Sorting +1

3914. Minimum Operations to Make Array Non DecreasingVideo

Solution54.9%Medium

Array, Greedy· 1 company

3918. Sum of Primes Between Number and Its ReverseVideo

Solution75.3%Medium

Math, Number Theory

3919. Minimum Cost to Move Between IndicesVideo

Solution49.4%Medium

Array, Greedy +1

3922. Minimum Flips to Make Binary String CoherentVideo

–19.9%Medium

String· 1 company

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

3932. Count K-th Roots in a RangeVideo

Solution24.6%Medium

Binary Search, Math· 2 companies

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

3941. Password StrengthVideo

Solution74.5%Medium

Hash Table, String

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

3955. Valid Binary Strings With Cost LimitVideo

Solution78.5%Medium

Backtracking, Bit Manipulation +2

3958. Minimum Cost to Split into Ones IIVideoPremium

Solution68.4%Medium

–

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

3968. Maximum Manhattan Distance After All MovesVideo

Solution63.3%Medium

Counting, Math +1

3969. Valid Subarrays With Matching Sum Digits IVideo

Solution46.8%Medium

Array, Enumeration +3· 1 company

3970. Shortest Path With At Most K Consecutive Identical CharactersVideo

–44.7%Medium

Graph, Heap (Priority Queue) +2

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

3980. Minimum Operations to Transform Binary StringVideo

–37.0%Medium

Dynamic Programming, Greedy +1

3983. Subsequence After One ReplacementVideo

Solution21.6%Medium

String, Two Pointers

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

3993. Maximum Value of an Alternating SequenceVideo

Solution31.5%Medium

3994. Minimum Adjacent Swaps to Partition ArrayVideo

–57.4%Medium

3997. Count Dominant Nodes in a Binary TreeVideo

Solution72.1%Medium

Binary Tree, Depth-First Search +1

Showing 2,001–2,050 of 2,093