Vykreslí Pascalov trojuholník

Kategória: Zadania Pascal

Autor: Pheo
web: pascalsource.ic.cz

Program: Pas_trojuholnik.pas
Súbor exe: Pas_trojuholnik.exe

{ PAS_TROJUHOLNIK.PAS                            Copyright (c) Pheo }
{ Pascalov trojuholník.                                             }
{                                                                   }
{ Datum:24.05.2000                             http://www.trsek.com }
 
program pascalov_trojuholnik;
uses crt;
{const n=18;}
var a: array[1..18,0..18] of integer;
    r,i,j,n,k:integer;
begin clrscr;
 writeln('pocet riadkov');
 read(n);
 for i:=1 to n do
   begin
     a[i,0]:=0;
     a[i,i+1]:=0;
   end;
 
 a[1,1]:=1;r:=31;
 for k:=1  to r do write(' ');
 r:=r-2;
 writeln(a[1,1]:5);
 
 for i:=2 to n do
      begin
          for k:=1 to r do write(' ');
             r:=r-2;
             for j:=1 to i do
             begin
                  a[i,j]:=a[i-1,j-1]+a[i-1,j];
                  write(a[i,j]:5);
             end;
             writeln;
      end;
   readln;
   repeat until keypressed;
end.