Should you know sorting algorithms for interviews?

There are a ton of sorting algorithms in the world which could take you forever to memorize, but you don't need to know them all. There are a few key elements to each algorithm: conceptually how it works.

Is Quick sort asked in interviews?

Quicksort: Quicksort is another sorting algorithm. ... Sometimes, an interviewer will ask you to describe an algorithm to identify the kth smallest element in an array of n elements. To do this, you select a random pivot and partition the array as you would in the quicksort algorithm.