Двоичная и десятичная система счисления 321

321 в десятичной = 101000001 в двоичной

Дешифровка: ВХОД_ОТКР Ы Т.

дешифровки:
Const sh = '_.,';
Var
  St : String;
  i  : Integer;
Function DeCode(S : String; Tabl : String; k : Integer) : String;
Var j,n : Integer;
Begin
  For j:=1 to Length(S) do
  Begin
    n:=Pos(S[j],sh);
    If n>0 then
    Begin
      n:=n+k;
      While n>Length(sh) do n:=n-Length(sh);
      While n<=0 do n:=n+Length(sh);
      S[j]:=sh[n];
    end
  end;
  DeCode:=S;
end;
Begin
  St:='ЗЫФЙГФШРЦ . ШД';
  Writeln(Decode(St,sh,-6));
  //For i:=-10 to 10 do Writeln(Decode(St,sh,i));
end.

program P1;
uses
crt;
var
mas : array[1..20] of integer;
i,j,k : integer;
tmp : string;
begin

clrscr;

writeln('Start array: ');

for i := 1 to 20 do
begin

mas[i] := random(100);

write(mas[i],' ');

end;

for i := 1 to 20 do
begin

if mas[i] mod 2 = 0 then
mas[i] := 0;

end;

 

for i := 1 to 20 do
begin

if mas[i] = 0 then
begin

for j := 20 downto i do
if mas[j] <> 0 then
begin

k := mas[j];
mas[j] := mas[i];
mas[i] := k;

end;

end;

end;

writeln('');
writeln('Result array: ');

for i := 1 to 20 do
write(mas[i],' ');

readln(tmp);
read(tmp);

end.