Question: The input to the problem is an array A(1), A(2),,A(n) of numbers and a number x. a. Design an algorithm to determine if there are

The input to the problem is an array A(1), A(2),,A(n) of numbers and a number x.

a. Design an algorithm to determine if there are two elements of the array which sum to x. Your algorithm should run in O(n log n) time.

b. Suppose now that the given array A is sorted. Design an algorithm for the above problem to run in O(n) time.

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