Question: ( 1 ) If we select the first element as pivot, illustrate the operation of quicksort on the array A = { 6 , 1

(1)If we select the first element as pivot, illustrate the operation of quicksort on the array A={6,10,13,5,8,3,2,11}.(2) Implement the partition procedure of quicksort(in Pseudocode) and give comments for each line(give some explanations)(3) What's the worse case in quicksort algorithm?(4) How to avoid worst case in quicksort algorithm?

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