{ ALGORITM.PAS                                                      }
{ Program na vypocet najvacsieho spolocneho delitela.               }
{ Pre vypocet je pouzity Euklidov algoritmus.                       }
{                                                                   }
{ Author: Juraj Pupak                                               }
{ Date  : 27.10.2006                           http://www.trsek.com }

program EuklidovAlgoritmus;
uses crt;
var
  number_1,number_2,temp : integer;

begin
 clrscr;
 writeln('Program na vypocet najvacsieho spolocneho delitela');
 writeln('Pre vypocet je pouzity Euklidov algoritmus');
 writeln('--------------------------------------------------');
 
 writeln('Zadaj prve cislo');
 readln(number_1);
 writeln('Zadaj druhe cislo');
 readln(number_2);
 clrscr;
 
 Repeat
  IF number_1 < number_2 THEN
    begin
      temp := number_1;
      number_1 := number_2;
      number_2 := temp;
    end;
  number_1 := number_1 mod number_2;
 Until number_1 = 0;

 writeln(number_2);
 readln;
end.