[MegaPiha]

Я бы так это делал.

Код:

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, StdCtrls;

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    StringGrid1: TStringGrid;
    Edit1: TEdit;
    Button1: TButton;
    StringGrid2: TStringGrid;


    procedure Button1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;


Const
N=10;M=15;Z=25;
var
  Form1: TForm1;
  C: array [0..N] of integer;
  T: array [0..M] of integer;
  B: array [0..Z] of integer;
implementation

{$R *.dfm}




procedure TForm1.Button1Click(Sender: TObject);
var i,p,d,max:integer;
    chislo:integer;

begin
  StringGrid1.Refresh;
  label1.Caption:='';
  label2.Caption:='';
  chislo:=StrToInt(edit1.Text);
  StringGrid1.Cells[0,1]:='C';
  StringGrid1.Cells[0,2]:='T';

  for i:=1 to N do
  begin
     C[i]:=random(100);
     StringGrid1.Cells[i,1]:=IntToStr(C[i]);
  end;

  for i:=0 to M do
  begin
      T[i]:=random(100);
      StringGrid1.Cells[i+1,2]:=IntToStr(T[i]);
  end;

  d:=-1;
  for i:=0 to N do
  begin
    if (C[i]>chislo) then
    begin
        d:=d+1;
        B[d]:=C[i];
     end;
  end;

  for i:=0 to M do
  begin
    if (T[i]>chislo) then
    begin
        d:=d+1;
        B[d]:=T[i];
     end;
  end;
  StringGrid2.ColCount:=d;

  StringGrid2.Cells[0,1]:='B';
  for i:=0 to d do
  begin
       StringGrid2.Cells[i+1,1]:=IntToStr(B[i]);
  end;

  p:=1;
  for i:=0 to d do
  begin
       p:=p*b[i];
  end;
 label1.Caption:='Âñåãî ýëåìåíòîâ: '+IntToStr(d);
 label2.Caption:='Ïðîèçâåäåíèå ýëåìåíòîâ ìàññèâà: '+IntToStr(p);

end;


procedure TForm1.FormCreate(Sender: TObject);
var i:integer;
begin
  For i:=0 to M-1 do
      StringGrid1.ColWidths[i]:=Trunc(StringGrid1.Width /M);
end;

end.