qsort(tmp, nb_samples, sizeof(Couple), compare_couple);
for(int n = 0; n < nb_samples; n++)
qsort(tmp, nb_samples, sizeof(Couple), compare_couple);
for(int n = 0; n < nb_samples; n++)
int nb_rn = 0, nb_rp = 0, nb_fp = 0, nb_fn = 0;
bool binary = true;
int nb_rn = 0, nb_rp = 0, nb_fp = 0, nb_fn = 0;
bool binary = true;