Question: 1. Write an O(n lg n) algorithm that receives as input an array a of n real numbers and a value val . (The array

1. Write an O(n lg n) algorithm that receives as input an array a of n real numbers and a value val. (The array is not necessarily sorted.) The algorithm returns true if there are distinct indexes i and j such that a[i]+a[j]=val and false otherwise. (In C++)

2. Show how Strassens algorithm (page 234) computes

1. Write an O(n lg n) algorithm that receives as input an array a of n real numbers and a value val. (The array

is not necessarily sorted.) The algorithm returns true if there are distinct

3.5 2,-4

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