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110 problems

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Counting 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 · 110 results

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TitleSolutionAcceptDifficultyTopics

3843. First Element with Unique FrequencyVideo

Solution69.9%Medium

Array, Counting +1

3848. Check Digitorial PermutationVideo

Solution46.4%Medium

Counting, Math· 1 company

3868. Minimum Cost to Equalize Arrays Using SwapsVideo

Solution48.7%Medium

Array, Counting +2· 2 companies

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

3913. Sort Vowels by FrequencyVideo

Solution61.5%Medium

Counting, Sorting +1

3926. Count Valid Word OccurrencesVideo

Solution48.1%Medium

Array, Counting +2

3960. Frequency Balance SubarrayVideo

Solution29.5%Medium

Array, Counting +1· 1 company

3968. Maximum Manhattan Distance After All MovesVideo

Solution63.3%Medium

Counting, Math +1

4066. Maximum Equal Adjacent Pairs After at Most One ReplacementVideo

Solution49.8%Medium

Array, Counting +1

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