Identify the functions of the program and each function's prototype, argument, and parameter.

#Include using namespace std; int addition(int, int); int subtraction(int, int); void directions Q; void printResult(int, int, int, string); int main() {int x, y, r; directions Q; cout > x; cout > y; r = addition(x, y); printResult(x, y, r, "+"); r = subtraction(x, y); printResult(x, y, r, system("pause"); return 0; > int addition(int a, int b) {int r; r = a + b; return r; > int subtraction(int a, int b) {int r; r = a - b; return r; > void directions() {cout