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Problems

16 problems

Has videoPremium onlyReset
Array70Database51Dynamic Programming26String25Math22Depth-First Search18Hash Table16Graph15Binary Search14Breadth-First Search12Heap (Priority Queue)12Sorting12Tree12Greedy10Matrix10All topics

Hard · Premium · 16 results

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TitleSolutionAcceptDifficultyTopics
305. Number of Islands IIVideoPremium
Solution40.5%Hard
Array, Hash Table +1· 10 companies
358. Rearrange String k Distance ApartVideoPremium
Solution39.9%Hard
Counting, Greedy +4· 4 companies
548. Split Array with Equal SumVideoPremium
Solution50.1%Hard
Array, Hash Table +1· 1 company
588. Design In-Memory File SystemVideoPremium
Solution48.0%Hard
Design, Hash Table +3· 16 companies
711. Number of Distinct Islands IIVideoPremium
Solution55.3%Hard
Breadth-First Search, Depth-First Search +3· 2 companies
1153. String Transforms Into Another StringVideoPremium
Solution34.9%Hard
Hash Table, String· 1 company
1788. Maximize the Beauty of the GardenVideoPremium
Solution62.8%Hard
Array, Greedy +2· 1 company
2254. Design Video Sharing PlatformVideoPremium
–64.1%Hard
Design, Hash Table +2· 1 company
2524. Maximum Frequency Score of a SubarrayVideoPremium
Solution35.7%Hard
Array, Hash Table +3· 1 company
3104. Find Longest Self-Contained SubstringVideoPremium
Solution58.6%Hard
Binary Search, Hash Table +2· 1 company
3279. Maximum Total Area Occupied by PistonsVideoPremium
Solution41.3%Hard
Array, Counting +4
3299. Sum of Consecutive SubsequencesVideoPremium
Solution44.1%Hard
Array, Dynamic Programming +1
3329. Count Substrings With K-Frequency Characters IIVideoPremium
Solution72.2%Hard
Hash Table, Sliding Window +1
3369. Design an Array Statistics Tracker VideoPremium
Solution35.7%Hard
Binary Search, Hash Table +1· 1 company
3416. Subsequences with a Unique Middle Mode IIPremium
–16.3%Hard
Array, Combinatorics +2
3749. Evaluate Valid ExpressionsPremium
Solution69.2%Hard
Divide and Conquer, Hash Table +3
Showing 1–16 of 16