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- Program Fakultaet;
- { Dies ist eine kleine Demo zu Rekursion }
- Type T_Sieb = Array[500] of Boolean;
-
- Var I,w : Integer; { Zur Demonstration lokal überdeckt global }
- Feld : T_Sieb;
-
- Function Fac( I : Integer) : Integer;
- Begin
- if i<=1
- then return(1)
- else return(I*(fac(i-1)))
- End;
-
- Procedure Init;
- Var i : Integer;
-
- Begin
- For i:=1 to 500 By 1 Do
- Feld[i]:=True
- End;
-
- Begin
- Write('Eingabe Nummer :');
- Readln(i);
- Writeln(' Fak(',i,')=',Fac(i));
- Writeln('Sieb init...');
- Init;
- Writeln('Siebe ...');
- For i:=2 to 250 By 1 DO
- Begin
- w:=i*2;
- While w<=500 Do
- Begin
- Feld[w]:=False;
- w:=w+i
- End
- End;
- Writeln('Primzahlen sind :');
- For i:=1 to 500 by 1 Do
- If Feld[i]
- then Write(I,' ');
- Writeln;
- Write('Fertig ...');
- Readln
- End.
-