uses crt; var a,b,d,e,f:integer; c:array[1..255] of integer; begin clrscr; write('input a decimal number! '); readln(a); write('octal of decimal ',a,' is '); if a<=7 then write(a) else repeat b:=b+1; d:=trunc(a/8); c[b]:=a mod 8; if d<=7 then begin b:=b+1; c[b]:=d; end; a:=d; until d<=7; for e:=b downto 1 do begin write(c[e]); end; readln end. |
please check at http://www.convertworld.com/id/angka/Desimal.html
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