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QWhat is the time complexity of a hash table's worst-case insertion operation?

ID: #15261 Time Complexity 151 views
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Time ComplexityTopic
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  • A O(1) ✔ ✖
  • B O(log n) ✔ ✖
  • C O(n) ✔ ✖
  • D O(n log n) ✔ ✖
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In the worst case, a hash table's insertion operation may require rehashing or resizing the underlying array, which involves copying elements. As a result, the worst-case time complexity of an insertion operation in a hash table is linear to the number of elements (n), denoted as O(n).

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