ioni

int nrmaxim(int n)
{
    int p=1,aux=n,mmax=n,k=0,i;
        while (n>=10)
    {

        p=p*10;
        k++;
        n=n/10;
    }
    for (i=1;i<=k;i++)
    {
        aux=aux%p*10+aux/p;
        if(aux>mmax)
            mmax=aux;

    }

return mmax;
}