Question: Rank sort is a sorting technique that counts the number of numbers that are smaller than each selected number. The count provides the position of

Rank sort is a sorting technique that counts the number of numbers that are smaller than each selected number. The count provides the position of selected number in the sorted list; that is, its rank. Thus, a[0] is read and compared with each of the other numbers, a[1] . . . a[n-1], recording the number of numbers less than a[0]. Suppose this number is x. This is the index of the location in the final sorted list. The number a[0] is copied into the final sorted list b[0] . . . b[n 1], at location b[x]. Actions repeated with the other numbers. The algorithm has an overall sorting time complexity of O(n²).

(a) Write a sequential function for the Rank Sort using C.

(b) Write a parallel program using openMP for ranksort. Give clear comments explaining the code. Analyze the code and discuss the speed up attained. Is it worth it?

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