Question: 6. (15 points) Array A contains n integers. Given an integer s, find whether or not there exist two elements x and y in the

6. (15 points) Array A contains n integers. Given an integer s, find whether or not there exist two elements x and y in the array such that the sum of the two numbers is s, that is x+y = s. (a) Describe an O(n 2 ) time algorithm to solve the problem and write the pseudocode. (b) Assuming it is possible to sort n numbers in O(n log n) time, describe an O(n log n) time algorithm to solve the problem and write the pseudocode. In the pseudocoe, assume a function sort(A) is available. 6. (15 points) Array A contains n integers. Given an integer s,

6. (15 points) Array A contains n integers. Given an integer s, find whether or not there exist two elements x and y in the array such that the sum of the two numbers is s, that is x+y=s. (a) Describe an O(n?) time algorithm to solve the problem and write the pseudocode. (b) Assuming it is possible to sort n numbers in O(n log n) time, describe an O(n log n) time algorithm to solve the problem and write the pseudocode. In the pseudocoe, assume a function sort(A) is available

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