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What is the time complexity of searching for an element in an unsorted array?
What is the time complexity of searching for an element in an unsorted array?
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Q1
What is the time complexity of searching for an element in an unsorted array?
O(1)
O(n)
O(log n)
O(n^2)
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Searching for an element in an unsorted array requires checking each element, resulting in O(n) time complexity.
Questions & Step-by-step Solutions
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Q: What is the time complexity of searching for an element in an unsorted array?
Solution:
Searching for an element in an unsorted array requires checking each element, resulting in O(n) time complexity.
Steps: 5
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Step 1: Understand what an unsorted array is. An unsorted array is a collection of elements where the order does not matter.
Step 2: Know that to find an element in this array, you need to look at each element one by one.
Step 3: Realize that in the worst case, you might have to check every single element in the array to find the one you are looking for.
Step 4: If there are 'n' elements in the array, checking each one takes time proportional to 'n'.
Step 5: Therefore, the time complexity for searching in an unsorted array is O(n), which means it can take up to 'n' steps in the worst case.
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