//****************************************
//in this test I use function overloading
//to improve construct flexible input
//****************************************

#include <iostream>
#include <cstring>
using namespace std;


//---------------------------------------
class user{
	char name[10];
	char surname[10];
	int id;
public:
//flexible construct, user could insert surname or not
	user(char *na, char *sur, int i);
	user(char *na, int i);
	void show();
}; 

user::user(char *na, char *sur, int i){
	strcpy(name,na);
	strcpy(surname,sur);
	id=i;
}

user::user(char *na, int i){
	strcpy(name,na);
	id=i;
	strcpy(surname,"0");
}

void user::show(){
	cout<<name<<"  ";
	if(strcmp(surname, "0")) cout<<surname<<"  ";
	cout<<id<<endl; 
}

//=============================================
int main(){
	user user1("luciano","d'eugenio",110587);
	user user2("luc",234567);
	user1.show();
	user2.show();
	return 0;
}