unsigned short int somme(unsigned short int n){
    unsigned short int somme = 0;
    unsigned int i;
    for(i = 1; i <= nbr; i++){
        if(max - somme < i){;
            printf("Dépassement possible, arrêt de la boucle.\n");
            return 0;
        }
        somme += i;
    }
    printf("Boucle 1: i=%d\n", i);
    return somme;
}