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Problems

473 problems

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

Medium · 473 results

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TitleSolutionAcceptDifficultyTopics
3837. Delayed Count of Equal ElementsPremium
Solution77.7%Medium
Array, Counting +1· 1 company
3839. Number of Prefix Connected GroupsVideo
Solution59.9%Medium
Array, Counting +2
3843. First Element with Unique FrequencyVideo
Solution69.9%Medium
Array, Counting +1
3846. Total Distance to Type a String Using One FingerVideoPremium
Solution89.9%Medium
Hash Table, String
3851. Maximum Requests Without Violating the LimitPremium
Solution64.1%Medium
Array, Greedy +3
3853. Merge Close CharactersVideo
Solution53.9%Medium
Hash Table, String· 1 company
3860. Unique Email GroupsPremium
Solution84.8%Medium
Array, Hash Table +1
3868. Minimum Cost to Equalize Arrays Using SwapsVideo
Solution48.7%Medium
Array, Counting +2· 2 companies
3885. Design Event ManagerVideo
Solution50.3%Medium
Array, Design +3· 1 company
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
3900. Longest Balanced Substring After One SwapVideo
Solution14.2%Medium
Hash Table, Prefix Sum +1· 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
3941. Password StrengthVideo
Solution74.5%Medium
Hash Table, String
3960. Frequency Balance SubarrayVideo
Solution29.5%Medium
Array, Counting +1· 1 company
3969. Valid Subarrays With Matching Sum Digits IVideo
Solution46.8%Medium
Array, Enumeration +3· 1 company
4032. Longest Subarray With at Most K Distinct Prime FactorsVideo
Solution56.5%Medium
Array, Hash Table +3
4049. Count Values With Equally Spaced Occurrences IIVideo
Solution62.9%Medium
Array, Hash Table
4063. Longest Subarray Divisible by K with At Most One Negation IVideo
Solution34.2%Medium
Array, Hash Table +1
4066. Maximum Equal Adjacent Pairs After at Most One ReplacementVideo
Solution49.8%Medium
Array, Counting +1
4067. Longest Subarray With Restricted Pair SumsVideo
Solution37.8%Medium
Array, Hash Table +1
Showing 451–473 of 473