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

Hard · Premium · 12 results

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TitleSolutionAcceptDifficultyTopics
Solution39.9%Hard
Counting, Greedy +4· 4 companies
499. The Maze IIIVideoPremium
Solution52.3%Hard
Array, Breadth-First Search +6· 1 company
683. K Empty SlotsVideoPremium
Solution38.0%Hard
Array, Binary Indexed Tree +6· 1 company
759. Employee Free TimeVideoPremium
Solution72.9%Hard
Array, Heap (Priority Queue) +1· 12 companies
1183. Maximum Number of OnesVideoPremium
Solution70.6%Hard
Solution49.2%Hard
Array, Greedy +2· 1 company
Solution68.7%Hard
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