Funktioner

Kode 

#include <iostream>

using namespace std;

int main()
{
  int tal1, tal2, svar;

  cout << "Indtast det første tal" << endl;
  cin >> tal1;
  cout << "Indtast det andet tal" << endl;
  cin >> tal2;
  svar = tal1 + tal2;
  cout << "Resultat: " << svar;
}

Kode 

#include <iostream>

using namespace std;

int askUser()
{
    int etTal;
    cout << "Indtast et tal:" << endl;
    cin >> etTal;

    return etTal;
}

int calculate(int aNumber1, int aNumber2)
{
    return aNumber1 + aNumber2;
}

void printAnswer(int aNumber)
{
    cout << "Resultatet er: " << aNumber << endl;
}

int main(int argc, char* argv[])
{
    int tal1, tal2, resultat;
    tal1 = askUser();
    tal2 = askUser();
    resultat = calculate(tal1, tal2);
    printAnswer(resultat);

    return 0;
}