Part A: Implement binary search algorithm as a template function. Part B: Given a vector of size S and a number N. Write a function that calculates if there is any pair of numbers in the vector whose sum is equal to N? Hint: you can use the binary search function you implemented in part A. Notes: You must use iterators in your implementation. Input Format: The input consists of 2 lines. The first line contains 2 numbers, S and N. The second line contains S numbers which represent the contents of the vector. Input: 3 5 3 1 2 Output: YES

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Part A:
Implement binary search algorithm as a template function.

Part B:
Given a vector of size S and a number N. Write a function that calculates if there is
any pair of numbers in the vector whose sum is equal to N?

Hint: you can use the binary search function you implemented in part A.

Notes:
You must use iterators in your implementation.

Input Format:
The input consists of 2 lines. The first line contains 2 numbers, S and N. The second
line contains S numbers which represent the contents of the vector.

Input:
3 5
3 1 2

Output:
YES

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