Gray isn't a color to be exact it a shade or what some people call it a shadow just like black but if you add more gray to a look lets say RED it will make it kinda faddy and more darker then it was
Answer: Option D -- Sorting an already sorted array of size n with quicksort takes O(n log n) time.
Explanation:
Sorting an already sorted array of size n with quicksort takes O(n log n) time is true about sorting functions while other options are wrong.