Search `target` in sorted ascending `nums`. Return index or `-1`. Variant **#45**.
Example 1
Input: nums = [45,47,49,51,53,55,57,59,61,63,65,67,69,71,73,75,77,79,81,83,85,87,89], target = 85
Output: 20
Constraints
Acceptance: 73% · Topics: binary-search, array