Question: Let A[1..n] be a sorted array of n integers, and x a positive integer. a) Design a O(n) recursive algorithm that returns i and

Let A[1..n] be a sorted array of n integers, and x a positive integer. a) Design a O(n) recursive algorithm

Let A[1..n] be a sorted array of n integers, and x a positive integer. a) Design a O(n) recursive algorithm that returns i and / if there are two elements A[] and 40] such that ij, whose sum is exactly x, otherwise it returns none. b) Find a recurrence relation that describes the number of element comparisons carried out by the recursive algorithm. c) Solve the recurrence relation and express the solution asymptotically.

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