#include "stdafx.h"
#include <iostream>

  using namespace std;

  void SumProductDifference(int, int, int&, int&, int&);
  int Power(int a, int b);
  bool GoAgain();

    int main() {
        int a, b;
        int choice;
        int sum, product, difference;
        do
        {
            cout << "================================================" << endl;
            cout << "=====Welcome to AB Calculator 2016 Edition======" << endl;
            cout << "==== 1 - SumProductDifference Function    ======" << endl;
            cout << "==== 2 - Power of Function                ======" << endl;
            cout << "==== 3 - Quit                             ======" << endl;
            cout << "= Make A Selection:                       ======" << endl;
            cout << "================================================" << endl;
            cin >> choice;

            switch (choice) {
            case '1': SumProductDifference(a, b, sum, product, difference);
                break;
            case '2': Power(a, b);
                break;
            case '3':
                break;
            default:
                break;
            }

            return 0;

        } while (choice != 3);
        return 0;

    }

    bool GoAgain() {
        char answer;

        cout << "would you like to go again (y/n) ==> ";
        cin >> answer;

        return answer == 'y';
    }

    void SumProductDifference(int a, int b, int& s, int& p, int& d) {


        cout << "Enter two integers: ";
        cin >> a, b;

        s = a + b;
        p = a * b;
        d = a - b;

        cout << "The sum of " << a << " + " << b << " = " << s << endl;
        cout << "The product of " << a << " * " << b << " = " << p << endl;
        cout << "The difference of " << a << " - " << b << " = " << d << endl;


    }

    int Power(int a, int b) {
        int total = 1;
        int i;
        cout << "Enter a number: ";
        cin >> a;

        cout << "Raise this integer to the power of: ";
        cin >> b;

        for ( i = 1; i < b; i++) {
            total = total *b;
        }
        return total;
    }