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#include <iostream>
#include <iomanip> // pour std::fixed et std::setprecision
using namespace std;
int main() {
float prixCafe = 1.0f, piece, sommeInsere = 0.0f, monnaie;
cout << "Distributeur de café 1€" << endl;
cout << "Insérer des pièces (0.05/0.1/0.2/0.5 ou 1 €) : ";
cin >> piece;
sommeInsere = piece;
while (sommeInsere < prixCafe) {
cout << fixed << setprecision(2)
<< "Il faut encore insérer " << (prixCafe - sommeInsere) << " €" << endl;
cin >> piece;
sommeInsere += piece;
}
cout << "Voici votre café, merci d'avoir utilisé le distributeur." << endl;
if (sommeInsere > prixCafe) {
monnaie = sommeInsere - prixCafe;
cout << "Voici votre monnaie : " << fixed << setprecision(2) << monnaie << " €" << endl;
}
return 0;
}
