The final countdown...

#include <stdlib.h>
#include <cstdio>
#include <math.h>
#include <iostream>
#include <conio.h>
#include <cstdlib>
#include <time.h>
#include <iomanip>

using namespace std;
int main()
{
time_t czas;
const long int cata=1291672800;
long int dni,godz,min,sec;
czas = time(NULL);
dni=(cata-czas)/(3600*24);
godz=((cata-czas)/3600)-(((cata-czas)/(3600*24))*24);
min=((cata-czas)/60)-(((cata-czas)/3600)*60);
sec=(cata-czas)-(((cata-czas)/60)*60);
cout << dni << " " << godz << " " << min << " " << sec << endl;

// 1.1
/*

do
{
czas = time(NULL);
//system("cls");
cout << " " << endl;
cout << " Do Kataklizmu zostalo dokladnie" << endl << endl;
cout << " " << setw(7) << (cata-czas) << " sekund" << endl;
cout << " " << setw(7) << (cata-czas)/60 << " minut" << endl;
cout << " " << setw(7) << (cata-czas)/3600 << " godzin" << endl;
cout << " " << setw(7) << (cata-czas)/(3600*24) << " dni" << endl;
cout << " " ;
_sleep(1000);
}while(!kbhit());
*/

// 1.2
/*
do
{
system("cls");
cout << "\n Do Kataklizmu zostalo dokladnie" << endl << endl;
czas = time(NULL);
dni=(cata-czas)/(3600*24);
godz=((cata-czas)/3600)-(((cata-czas)/(3600*24))*24);
min=((cata-czas)/60)-(((cata-czas)/3600)*60);
sec=(cata-czas)-(((cata-czas)/60)*60);
cout << " Dni : Godzin : Minut : Sekund" << endl;
cout << " ";
if(dni>=10) cout << dni << setw(5) << " : ";
else cout << " " << dni << setw(6) << " : ";
if(godz>=10) cout << " " << godz << setw(6) << " : ";
else cout << " " << godz << setw(7) << " : ";
if(min>=10) cout << " " << min << setw(5) << " : ";
else cout << " " << min << setw(6) << " : ";
cout << sec;
_sleep(1000);
}while(!kbhit());
*/




// 1.3
do
{
system("cls");
cout << "\n Do Kataklizmu zostalo dokladnie" << endl << endl;
czas = time(NULL);
dni=(cata-czas)/(3600*24);
godz=((cata-czas)/3600)-(((cata-czas)/(3600*24))*24);
min=((cata-czas)/60)-(((cata-czas)/3600)*60);
sec=(cata-czas)-(((cata-czas)/60)*60);
//----------
cout << " ";
if(dni==0) cout << " ";
if(godz==0) cout << " ";
if(min==0) cout << " ";
if(dni!=0) cout << "Dni :";
if(godz!=0) cout << " Godziny :";
if(min!=0) cout << " Minuty :";
cout << " Sekundy" << endl;
//----------
cout << " ";
if(dni==0) cout << " ";
if(godz==0) cout << " ";
if(min==0) cout << " ";
if(dni!=0)
{
if(dni>=10)cout << " " << dni << " :";
else cout << " " << dni << " :";
}

if(godz!=0)
{
if(godz>=10)cout << " " << godz << " :";
else cout << " " << godz << " :";
}

if(min!=0)
{
if(min>=10)cout << " " << min << " :";
else cout << " " << min << " :";
}

if(sec>=10)cout << " " << sec;
else cout << " " << sec;



_sleep(1000);
}while(!kbhit());

/*
cout << " ";
if(dni==0) cout << " ";
if(godz==0) cout << " ";
if(min==0) cout << " ";
if(dni!=0) cout << "Dni" << " : ";
if(godz!=0) cout << "Godziny" << " : ";
if(min!=0) cout << "Minuty" << " : ";
cout << "Sekundy" << endl;
//---------
cout << " ";
if(dni==0) cout << " ";
if(godz==0) cout << " ";
if(min==0) cout << " ";
if(dni!=0)
{
if(dni>=10)cout << " " << dni << " :";
else cout << " " << dni << " :";
}

if(godz!=0)
{
if(godz>=10)cout << " " << godz << " :";
else cout << " " << godz << " :";
}

if(min!=0)
{
if(min>=10)cout << " " << min << " :";
else cout << " " << min << " :";
}

if(sec>=10)cout << " " << sec;
else cout << " " << sec;

*/


cout << " " << endl;
system ("pause");
return 0;
}