pr 2 teza model a)

#include <iostream>
#include<fstream>
#include<cstring>
using namespace std;
ifstream f("date.in");
struct nod
{
    int info;
    nod *urm;
};
nod *prim;

void creare()
{
    nod *p,*nou;
    int x,i;
    f>>x;
   for (i=0;i<=x;i+=2)
    {
        if(prim==NULL  && (i%2)==0)
        {
            prim=new nod;
            prim->info=i;
            p=prim;
        }
        else
      if(i%2==0)
        {
            nou=new nod;
            nou->info=i;
            p->urm=nou;
            p=nou;
        }
        p->urm=NULL;
    }

}

void afisare ()
{
    nod *p=prim;
    while (p)
    {
        cout<<p->info<<" ";
        p=p->urm;
    }

}


int main()
{ creare();
afisare();
return 0;
}