CNode Exam

class CNode
{
public:
    CNode(int iVal) { piVal = new int(iVal); }
    void v_add(CNode *pcKid) { vKids.push_back(pcKid); }
    void v_set_val(int iVal) { *piVal = iVal; }
    void v_print()
    {
        if (!vKids.empty())
            for (int i = 0; i < vKids.size(); i++)
                vKids[i]->v_print();
        cout << *piVal << " ";
    }
    void v_delete_node()
    {
        if (!vKids.empty())
            for (int i = 0; i < vKids.size(); i++)
                vKids[i]->v_delete_node();
        delete piVal;
    }
private:
    int *piVal;
    vector<CNode*> vKids;
};
class CTree
{
public:
    CTree() { pcRoot = new CNode(0); }
    ~CTree() { v_delete_tree(); }
    void v_delete_tree() { pcRoot->v_delete_node(); }
    CNode *pc_root() { return pcRoot; }
    void vPrint() { pcRoot->v_print(); }
private:
    CNode *pcRoot;
};
void v_test()
{
    CTree cT0;
    cT0.pc_root()->v_set_val(5);
    cT0.pc_root()->v_add(new CNode(1));

    CNode *pcN0;
    pcN0 = new CNode(3);
    pcN0->v_add(new CNode(4));
    cT0.pc_root()->v_add(pcN0);

    CTree *pc_copy = new CTree(cT0);
    cT0.vPrint();
    pc_copy->vPrint();
    //delete pc_copy;
}