What is the time complexity of linear search in an unsorted array?

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Question: What is the time complexity of linear search in an unsorted array?

Options:

Correct Answer: O(n)

Solution:

Linear search checks each element one by one, resulting in a time complexity of O(n).

What is the time complexity of linear search in an unsorted array?

What is the time complexity of linear search in an unsorted array?

Step 1: Understand what linear search is. It means looking at each item in the array one by one.
Step 2: Know that in an unsorted array, you have to check every element to find the target value.
Step 3: If the array has 'n' elements, you might have to check all 'n' elements in the worst case.
Step 4: The time it takes to check each element adds up, leading to a total time of O(n).
Step 5: Conclude that the time complexity of linear search in an unsorted array is O(n).

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