Ex.1_22_5_17

//CODE.h

#include<iostream>

struct nodo {
    char chiave;
    nodo *next;

    nodo(char c='\0', nodo* n=NULL);
};

struct coda {
    nodo *inizio;
    nodo *fine;

    coda(nodo * t= NULL, nodo* f = NULL);
};

void push(char c, coda &Q);
char pop(coda &Q);
bool e_vuota(coda Q);

//main.cpp

#include <iostream>
#include "code.h"

using namespace std;

int main()
{
    coda  Q = new coda();

    cout << "start" << endl;

    char c;
    bool check = true;


    while (check){

        cin>>c;

        switch(c){

            case '*':
            cout<<pop(Q)<<" ";
            break;

            case'.':
            check = false;
            break;

            default:
            push(c,Q);
            break;






        }//swtich



    }//check */

    cout << "end" << endl;
}