Архив всех лаб (delphi) / 4.14 / Unit1

unit Unit1;

interface

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

type
TForm1 = class(TForm)
StringGrid1: TStringGrid;
Label1: TLabel;
Edit1: TEdit;
Button1: TButton;
Button2: TButton;
BitBtn1: TBitBtn;
Memo1: TMemo;
procedure FormCreate(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
const
NMmax=10;
Type
Mas1=array[1..NMmax,1..NMmax] of extended;
var
Form1: TForm1;
A:Mas1; i,j,N:integer;
k,l,s,pr:extended;
implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
N:=4;
Edit1.Text:=FloatToStr(N);
StringGrid1.RowCount:=N+1;
StringGrid1.ColCount:=N+1;
StringGrid1.Cells[0,0]:='Массив А';
for i:=1 to N do
StringGrid1.Cells[0,i]:='i='+IntToStr(i);
for j:=1 to N do
StringGrid1.Cells[j,0]:='j='+IntToStr(j);
Memo1.Clear;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
Memo1.Clear;
for i:=1 to N do
for j:=1 to N do
A[j,i]:=StrToFloat(StringGrid1.Cells[j,i]);
s:=0; pr:=1;
for i:=1 to N-1 do
for j:=1 to N-i do
s:=s+A[j,i];
for j:=1 to N-1 do
for i:=j+1 to N do
pr:=pr*A[j,i];
Memo1.Lines.Add('s='+FloatToStr(s)+' '+'pr='+FloatToStr(pr));

end;

procedure TForm1.Button1Click(Sender: TObject);
begin
N:=StrToInt(Edit1.text);
StringGrid1.RowCount:=N+1;
StringGrid1.ColCount:=N+1;
for i:=1 to N do
StringGrid1.Cells[0,i]:='i='+IntToStr(i);
for j:=1 to N do
StringGrid1.Cells[j,0]:='j='+IntToStr(j);
end;

end.