using add 1 features ++, etc

// ConsoleApplication3.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "stdafx.h"
#include <iostream>
#include <string>
#include <cmath>
using namespace std;
int main()
{

    int test1 = 90, test2 = 10, test3 = 87, test4 = 92;
    int average = (test1 + test2 + test3 + test4) / 4;
    cout << "the average is " << average << endl;
    cout << " Test 1 score is " << test1 << endl;
    test1 = test1 + 1;
    cout << "Test 1 score is " << test1 << endl;
    test1++;
    cout << "Test 2 score is " << test1 << endl;
    test1++;
    cout << "Test 3 score is " << test1 << endl;

    int newint = 100;
    cout << "New int =" << newint++ << endl;
    cout << "New int =" << newint << endl;
system("pause");

return 0;