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Problems

331 problems

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

Medium · 331 results

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TitleSolutionAcceptDifficultyTopics
3789. Minimum Cost to Acquire Required ItemsVideo
Solution34.8%Medium
Greedy, Math
3790. Smallest All-Ones MultipleVideo
Solution46.8%Medium
Hash Table, Math
3792. Sum of Increasing Product BlocksPremium
Solution69.0%Medium
Math, Simulation
3805. Count Caesar Cipher PairsVideo
Solution50.7%Medium
Array, Counting +3· 1 company
3817. Good Indices in a Digit StringVideoPremium
Solution85.3%Medium
Math, String
3828. Final Element After Subarray DeletionsVideo
Solution40.9%Medium
Array, Brainteaser +2· 1 company
3848. Check Digitorial PermutationVideo
Solution46.4%Medium
Counting, Math· 1 company
3857. Minimum Cost to Split into OnesVideo
Solution82.6%Medium
Dynamic Programming, Math· 1 company
3867. Sum of GCD of Formed PairsVideo
Solution75.1%Medium
Array, Math +3· 1 company
3871. Count Commas in Range IIVideo
Solution49.3%Medium
Math
3876. Construct Uniform Parity Array IIVideo
Solution66.3%Medium
Array, Math· 1 company
3881. Direction Assignments with Exactly K Visible PeopleVideo
Solution35.7%Medium
Combinatorics, Math
3895. Count Digit AppearancesVideo
Solution86.2%Medium
Array, Math
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
3918. Sum of Primes Between Number and Its ReverseVideo
Solution75.3%Medium
Math, Number Theory
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
3968. Maximum Manhattan Distance After All MovesVideo
Solution63.3%Medium
Counting, Math +1
3984. Divisible GameVideo
–42.3%Medium
Array, Dynamic Programming +3
3987. Minimum Total Cost to Process All ElementsVideo
Solution24.7%Medium
Array, Math +1
3988. Create Grid With Exactly K Paths IVideo
–33.1%Medium
Array, Combinatorics +2
3993. Maximum Value of an Alternating SequenceVideo
Solution31.5%Medium
Greedy, Math
4002. Count Valid SequencesVideo
Solution42.5%Medium
Combinatorics, Math
4021. Minimum Operations to Make a Rotated Palindrome IVideo
Solution63.9%Medium
Enumeration, Math +1
4022. K-th Digit in Infinite StringVideo
Solution35.1%Medium
Binary Search, Math
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
Array, Math
4035. Maximum Valid Split Positions IVideo
Solution51.8%Medium
Array, Enumeration +2
4039. Sum of Decoded NumbersVideo
Solution44.8%Medium
Array, Math +1
4050. Minimum Days to Score Exactly N PointsVideo
Solution42.2%Medium
Dynamic Programming, Math
Showing 301–331 of 331