Стандартные потоки C++

#include<conio.h>
#include<iostream.h>
#include<string.h>
#define n 3

class ticket{
   char* kuda;
   int nomer;
   char* client;
   int date[3];

public:
ticket()
{
  kuda=NULL;
  nomer=0;
  client=0;
  date[0]=0; //den
  date[1]=0; //mes
  date[2]=0; //god
}
ticket(char* zn_kuda,int zn_nomer, char* zn_client, int zn_den,int zn_mes,int zn_god)
{ nomer=zn_nomer;
  kuda=new char[strlen(zn_kuda)+1];
  strcpy(kuda,zn_kuda);
  client=new char[strlen(zn_client)+1];
  strcpy(client,zn_client);
  date[0]=zn_den; date[1]=zn_mes; date[2]=zn_god;
}
~ticket()
{ delete[] kuda; kuda=NULL;
  delete[] client; client=NULL; }
void change_all(char* zn_kuda,int zn_nomer, char* zn_client, int zn_den,int zn_mes,int zn_god)
{ nomer=zn_nomer;
  kuda=new char[strlen(zn_kuda)+1];
  strcpy(kuda,zn_kuda);
  client=new char[strlen(zn_client)+1];
  strcpy(client,zn_client);
  date[0]=zn_den; date[1]=zn_mes; date[2]=zn_god;
}
int get_nomer() { return nomer; }
void get_all()
{ cout<<nomer<<'\t'<<date[0]<<'.'<<date[1]<<'.'<<date[2]<<'\t'
      <<kuda<<'\t'<<client<<'\t';
}
int search_date(int,int,int,int,int,int);
};
int ticket::search_date(int den1,int mes1,int god1,int den2,int mes2,int god2)
{ if(date[2]>=god1 && date[2]<=god2)
   if(date[1]>=mes1 && date[1]<=mes2)
    if(date[0]>=den1 && date[0]<=den2)
     return 1;
  return 0;
}

int main()
{ clrscr();
  cout<<" ****AIRFLOT UA*****\n\n";
  ticket* Matr=new ticket[n];
  for(int i=0;i<n;i++)
    { cout<<"***** "<<(i+1)<<" ZAPIS'*****: \n";
      cout<<" Vvedite pynkt nazna4enia: ";
      char* zn_kuda=new char[80]; cin.getline(zn_kuda,80);
      cout<<" Vvedite # reisa: "; int zn_nomer; cin>>zn_nomer;
      cin.ignore();
      cout<<" Vvedite FIO: ";
      char* zn_client=new char[80]; cin.getline(zn_client,80);
      cout<<" Vvedite daty(DD/MM/YY): ";
      int zn_den,zn_mes,zn_god;
      cin>>zn_den>>zn_mes>>zn_god;
      cin.ignore();
      Matr.change_all(zn_kuda,zn_nomer,zn_client,zn_den,zn_mes,zn_god);
      delete[] zn_kuda; zn_kuda=NULL;
      delete[] zn_client; zn_client=NULL;
    }
      cout<<"============POISK============\n";

  cout<<" Vvedite # reisa: "; int nomer; cin>>nomer;
  int den1,mes1,god1;
  cout<<"Poisk reisa po vvedennomy periody vremeni\n";
  cout<<" Vvedite 1-y daty: "; cin>>den1>>mes1>>god1;
  int den2,mes2,god2;
  cout<<" Vvedite 2-y daty: "; cin>>den2>>mes2>>god2;
  cout<<"===== Resultat poiska ======\n";
  for(i=0;i<n;i++)
    if(Matr.get_nomer()==nomer)
      if(Matr.search_date(den1,mes1,god1,den2,mes2,god2))
    Matr.get_all();
    cout<<endl;
       cout<<"=========================";

  getch(); delete[] Matr; Matr=NULL; return 0;
}