If isBadVersion(mid) is true, why keep mid?

Question

If isBadVersion(mid) is true, why keep mid?

Option A — Correct answer

Because mid might be the first bad version

Option B

Because mid is definitely good

Option C

Because all later versions are good

Option D

Because target is stored in nums[mid]

Explanation

Mid could be the first bad version, so right should move to mid.

First Bad Version - Predicate search Pattern Practice Quiz