Choose the correct statement about linear search and binary search.Group of answer choicesThe best-case time complexity of linear search is O(n) and binary search is O(log n)The best-case time complexity of linear search is O(n) and binary search is O(1)The best-case time complexity of both linear search and binary search is O(1)The best-case time complexity of linear search is O(1) and binary search is O(log n)
Question
Choose the correct statement about linear search and binary search.Group of answer choicesThe best-case time complexity of linear search is O(n) and binary search is O(log n)The best-case time complexity of linear search is O(n) and binary search is O(1)The best-case time complexity of both linear search and binary search is O(1)The best-case time complexity of linear search is O(1) and binary search is O(log n)
Solution
The correct statement is: The best-case time complexity of linear search is O(1) and binary search is O(1).
Here's why:
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Linear Search: In the best-case scenario, the element to be searched may be found at the first position. So, only one comparison is needed. Hence, the best-case time complexity of linear search is O(1).
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Binary Search: In the best-case scenario, the element to be searched is the middle element of the sorted array. So, only one comparison is needed. Hence, the best-case time complexity of binary search is also O(1).
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