Select the correct answer: The big O complexity of binary search on an array is: O(1)...
Select the correct answer: The big O complexity of binary search
on an array is: O(1) O(log n) O(n) O(n^2) other.
If you selected other, write your answer below.
Homework Answers
Recursive formula for binary search is
T(n) = T(n/2) + 1
= T(n/4) + 1 + 1
= T(n/8) + 1 + 1 + 1
......
......
......
= T(n/n) + 1 + .... + 1 + 1 + 1 [log(n) +1 terms]
= T(1) + 1 + .... + 1 + 1 + 1 [log(n) +1 terms]
= 1 + 1 + .... + 1 + 1 + 1 [log(n) +1 terms]
= log(n)
= O(logn)
O(log n)
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