#include <iostream> using namespace std; /* This function takes three integers and returns their average value as a double. */ double average(int v1, int v2, int v3) { double sum; sum = v1 + v2 + v3; return sum / 3.0; } int main(void) { // Prompt for, and read, three integers. cout << "Please enter three integer values: "; int n1, n2, n3; cin >> n1 >> n2 >> n3; // Compute the average using the above function. cout << "The average of " << n1 << " " << n2 << " " << n3 << " is " << average(n1, n2, n3) << endl; }