Which of the following operations takes the longest time in an unsorted array?
2025
Which of the following operations takes the longest time in an unsorted array?
Answer: C. Searching for an element — In an unsorted array: Access → O(1) Insert at end → O(1) Delete from end → O(1) Search → O(n) Searching takes the longest time because it may require scanning…
- A.
Deleting from the end
- B.
Accessing an element
- C.
Searching for an element
- D.
Inserting at the end
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Correct answer: C
In an unsorted array:
Access → O(1)
Insert at end → O(1)
Delete from end → O(1)
Search → O(n)
Searching takes the longest time because it may require scanning every element in the array.
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