In quick sort, for sorting n elements, the (n/4)th smallest element is selected as pivot using an o(n) time algorithm. what is the worst case time complexity of the quick sort?

What are compression artifacts? 1) visible defects in the picture caused by the nature of the compression algorithm. 2) numbers that tell a web server how much to compress a picture for faster transmission. 3) invisible defects in the picture preserved by lossless compression. 4) numbers that tell a photo editing program how much to compress a picture for faster transmission.

How can i clip a picture to a question on the computer?

Identify at least three types of characteristics that you were asked about as you the computer identify a fruit.