liste test momentan

#include <stdio.h>
#include <conio.h>
#include <iostream>
#include <time.h>

using namespace std;

typedef struct nod {
    int nr;
    nod *urm;
};
nod *prim = NULL, *ultim = NULL;

nod * Alloc() {
    return (new nod);

    //return (nod *)malloc(sizeof(nod));
}

void Citire(int dimensiune) {
    prim = Alloc();
    cout << "nr = ";
    cin >> prim->nr;
    ultim = prim;
    ultim->urm = NULL;
    for (int i = 0; i < dimensiune-1; i++) {
        nod *temp = Alloc();
        cout << "\nnr = ";
        cin >> temp->nr;
        ultim->urm = temp;
        ultim = temp;
        ultim->urm = NULL;
    }
}

void Afisare(int dimensiune) {
    cout << "\nAfisare:\n";
    int i = 0;
    for (nod *temp = prim; temp; temp = temp->urm) {
        cout << "nr." << ++i << " = " << temp->nr << endl;
    }
}


void EliminarePrimul() {
    if (prim) {
        if (prim->urm) {
            nod *temp = prim;
            prim = prim->urm;
            delete temp;
        }
        else {
            delete prim;
            prim = ultim = NULL;
        }
    }
}

void EliminareUltimul() {
    if (prim) {
        if (prim == ultim) {
            EliminarePrimul();
        }
        else {
            nod *temp;
            for (temp = prim; temp->urm != ultim; temp = temp->urm) {

            }
            ultim = temp;
            ultim->urm = NULL;
            temp = temp->urm;
        }
    }
}

void main() {
    int n;
    cout << "Dimensiunea listei = ";
    cin >> n;
    Citire(n);
    Afisare(n);
    _getch();
}