Probleme cu noduri

#include <fstream>
using namespace std;
ifstream f("nr.in");
ofstream g("nr.out");
struct nod { int info; nod *urm; };
void INSERARE_FATA(nod *&prim, int nr)
{
    nod *p = new nod;
    p -> info = nr;
    p -> urm = prim;
    prim = p;
}

void afisare_lista(nod *prim)
{
    nod *p;
    for(p = prim; p != NULL; p = p->urm)
        g << p -> info << " ";
    g << endl;
}

int main()
{
    int n, i, nr;
    nod *prim, *ultim;
    nod *p;
    f >> n;
    prim = ultim = NULL;
    for(i = 1; i <= n; i++)
    {
        f >> nr;
        INSERARE_FATA(prim, nr);
    }
    g << "Lista creata este: ";
    afisare_lista(prim);
    g << endl;
    int k = 0;
    for(p = prim; p != NULL; p = p -> urm)
    {
        if(p -> info % 2 != 0)
        k++;
    }
    g << "Nr. elementelor impare: " << k << endl;
    int min = 32767;
    for(p = prim; p != NULL; p = p -> urm)
    {
        if(p -> info < min)
            min = p -> info;
    }
    g << "Elementul minim este: " << min;
    return 0;
}