Implement a recursive C++ function which takes an integer array (A) and the starting (start) and ending (end) indices of that array, and returns the sum of all elements present in that array. The...

Implement a recursive C++ function which takes an integer array (A) and the starting (start) and ending
(end) indices of that array, and returns the sum of all elements present in that array. The prototype of
your function should be:
int findSum (int* A, int start, int end)