Class

class stack {
    class Nodo {
    public:
        Nodo(int val,Nodo* pre):valore(val),prev(pre){};
        ~Nodo();
        int getValore();
        void setValore(int nuovoVal);
        Nodo* getPrev();
    private:
        int valore;
        Nodo* prev;
    };
stack(const stack &other);
    public:
        stack(int pMaxSize);
        ~stack(void);
        void push(int i);
        int pop(void);
        int size(void);
        const int &getTop();
    private:
        Nodo* head;
        Nodo* top;
        int dimensione;
        int contaEle;
};