Design and implement a CPP function which receives an array of integer and the size of the array. The array is partially sorted which means from index 0-a the array is not sorted and from index a+1 to b, the array is sorted. Your function should find what a is. If there are multiple numbers for a, your function can return only one of them. - Note: a could be 0 to size_of_the_array -1 and b is size_of_the_array -1 - Example: list = {4,2,8, 3, 4, 9, 10, 19}. For this array a = 3