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bool binarySearch(int a[], int size, int k); Write a function called binarySearch that finds an occurrence of an integer k in an array a using

bool binarySearch(int a[], int size, int k);

Write a function called binarySearch that finds an occurrence of an integer k in an array a using binary search. The function signature is given above. Write your own implementation of binary search; do not use the search function available in the C++ standard library. Binary search assumes that the sequence of values (stored in an array in our case) is either non-decreasing or non-increasing. Assume that the array passed into binarySearch is non-decreasing, which means that each value beyond the first is either equal to or greater than the previous value. Binary search is a natural search technique when the collection of items is stored in order. It is roughly the technique you would use to look up the meaning of a word in a dictionary or find a phone number in a telephone book. Write test code that thoroughly tests your function. Express your tests using assertions.

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