main()
{
sinhvien x;
LIST l;
khoitao(l);
tao_ds(l);
xuat(l);
getch();
}
int main()
{
khoitao(head);
nhapds(head);
duyetdq(head);
printf("\n $umdevide 5: %d ",sumdevide(head));
printf("\n $umdaucuoi: %d",sumfirstlast(head));
clearhead(head); printf("\n \t Clearhead: ");
duyetdq(head);
clearfoot(head); printf("\n \t Cleafoot: ");
duyetdq(head);
insertxhead(69,head); printf("\n \t INSERTHEAD: "); duyetdq(head);
insertxfoot(77,head); printf("\n \t INSERTfOOT: "); duyetdq(head);
sortlowtohight(head); printf("\n \t Sort: "); duyetdq(head);
getch();
return 0;
}
