in c++

Programming Exercise 15-3 m | Counting Vowels in a string + main.cpp 2 #include A Instructions Lud! > Write a recursive function, vowels , that returns the number of vowels in a string. Also, write a program to test your function and output the number of vowels to the terminal. Grading When you have completed your program, click the Submit button to record your score. 4 using namespace std; 5 6 int vowels (string); 7 int main() 8 { 9 string inputStar; 10 cout