1 #include <iostream>
 2 using namespace std;
 3 
 4 int main()
 5 {
 6     double note1, note2, note3;
 7 
 8     cout << "Calcul de la moyenne de trois notes" << endl;
 9     cout << "Note n°1 = ";
10     cin >> note1;
11     cout << "Note n°2 = ";
12     cin >> note2;
13     cout << "Note n°3 = ";
14     cin >> note3;
15 
16     double somme = note1 + note2 + note3;
17     int intermediaire = ((somme / 3.0) * 2.0) + 0.5;
18     double moyenne = intermediaire / 2.0;
19     
20     cout << "Moyenne = " << moyenne << endl;
21     return 0;
22 }