4. Write a function called oddLessEven that returns the sum of the odd valued digits minus the sum of the even valued digits in a positive integer parameter. For example, a program that uses the...

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Extracted text: 4. Write a function called oddLessEven that returns the sum of the odd valued digits minus the sum of the even valued digits in a positive integer parameter. For example, a program that uses the function oddLessEven follows. (Submit a complete C++ program that contains the main function below and your oddLessEven function in a single file.) int main() { cout < oddlesseven(23)="">< endl;="" prints="" 1="" cout="">< oddlesseven(1234)="">< endl;="" prints="" -2="" cout="">< oddlesseven(777)="">< endl;="" prints="" 21="" return="" 0;="">