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Questions about the binary search algorithm, which can be used to find elements of an ordered list in O(log n) time.

1 vote

How do I find maximum and minimum number of times the search loop will execute when searchin...

I assume your input is random and your array of size $N$, $A[1..N]$. In case of binary search if the number you are searching for is located at $(1+N)/2$, i.e. right in the middle of the input array …
fade2black's user avatar
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87 votes
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Why is the log in the big-O of binary search not base 2?

When you change the base of logarithm the resulting expression differs only by a constant factor which, by definition of Big-O notation, implies that both functions belong to the same class with respe …
fade2black's user avatar
  • 9,885