Архив всех лаб (delphi) / 12.1 / Unit1

unit Unit1;

interface

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

type
TForm1 = class(TForm)
Edit1: TEdit;
Label1: TLabel;
Button1: TButton;
Label3: TLabel;
Edit4: TEdit;
Button2: TButton;
Button3: TButton;
Button4: TButton;
BitBtn1: TBitBtn;
Label4: TLabel;
Button5: TButton;
Edit5: TEdit;
Memo1: TMemo;
RadioGroup1: TRadioGroup;
Button6: TButton;
Memo2: TMemo;
Label6: TLabel;
Label7: TLabel;
Memo3: TMemo;
Label5: TLabel;
procedure FormCreate(Sender: TObject);
procedure RadioGroup1Click(Sender: TObject);
procedure BitBtn1Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;
n,i:integer;
o,g,w,t:Tsel;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
Edit1.text:='10';
Edit4.text:='';
Edit5.text:='';
Memo1.clear;
Memo2.Clear;
Memo3.Clear;
button2.Enabled:=false;
button3.Enabled:=false;
button4.Enabled:=false;
w:=nil; o:=nil; g:=nil;
end;

procedure TForm1.RadioGroup1Click(Sender: TObject);
begin
button3.Enabled:=true;
end;

procedure TForm1.BitBtn1Click(Sender: TObject);
begin
delStek(w);
delstek(o);
delstek(g);
end;

procedure TForm1.Button1Click(Sender: TObject);
var a,b:integer;
begin
n:=strtoint(edit1.Text);
a:=-50;
b:=50;
Randomize;
delstek(w);
delstek(o);
delstek(g);
for i:=1 to n do AddStek(w,Random(b-a+1)+a);
writestek(w,memo1);
button2.Enabled:=true;
button4.Enabled:=true;
memo2.Clear;
memo3.clear;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
AddStek(w,strtoint(Edit4.Text));
writestek(w,memo1);
Edit4.Clear;
button2.Enabled:=true;
button4.Enabled:=true;
end;

procedure TForm1.Button2Click(Sender: TObject);
var k,a:integer;
begin
k:=strtoint(edit5.Text);
if k=1 then
begin
dellast(w,a);
writestek(w,memo2);
edit5.Clear;
exit;
end;
t:=w;
i:=1;
while (i<k-1) and (t<>nil) do
begin
t:=t^.a;
inc(i);
end;
if (t=nil) or (t^.a=nil) then
begin
ShowMessage('Неправильное значение!');
exit;
end;
if t^.a^.a=nil then t^.a:=nil else t^.a:=t^.a^.a;
writestek(w,memo1);
edit5.Clear;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
Case RadioGroup1.ItemIndex of
0: SortAfter(w);
1: SortInf(w);
end;
writestek(w,memo1);
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
DelStek(w);
delstek(o);
delstek(g);
memo1.Clear;
memo2.Clear;
memo3.Clear;
button2.Enabled:=false;
button4.Enabled:=false;
end;

procedure TForm1.Button4Click(Sender: TObject);
var m:integer;
inf:tinf;
p,q:Tsel;
begin
t:=w;
q:=nil;
p:=nil;
while (t<>nil) do
begin
if t^.inf<0 then addstek(q,t^.inf) else addstek(p,t^.inf);
t:=t^.a;
end;
o:=nil;
g:=nil;
t:=q;
while t<>nil do
begin
addstek(o,t^.inf);
t:=t^.a;
end;
t:=p;
while t<>nil do
begin
addstek(g,t^.inf);
t:=t^.a;
end;
writestek(o,memo2);
writestek(g,memo3);
delstek(p);
delstek(q);
end;

end.