void supusul(int v[], int len) {

    unsigned min = ~0u;

    int i;
    for (i = len - 1; i >= 0 && v[i] <= min; min = v[i], i-- );

    int j;
    for(j=i+1; v[j]<v[i] && j<len; j++);

    swap(&v[i], &v[j-1]);
    qsort (v+i+1, len-i-1, sizeof(int), compare);

    /*printf("supusul: ");
    for (int i = 0; i < len; i++)
        printf("%i ", v[i]);*/
}