unit1.pas

一个小游戏

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Button1: TButton;
    Edit3: TEdit;
    Edit2: TEdit;
    Edit4: TEdit;
    Label3: TLabel;
    Label4: TLabel;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
x,y,m,n:integer;
begin
m:=strtoint(Edit1.text);
n:=strtoint(Edit2.text);
  if n < m*2 then
      showmessage ('输入的数据有误!')
  else
begin
  if  n mod 2 <> 0  then
      showmessage ('输入的数据有误!')
  else
begin
  if  n>m*4 then
      showmessage ('输入的数据有误!')
   else
begin
x:=m*2 - n div 2;
y:=n div 2 - m;
edit3.text:=inttostr(x);
edit4.Text:=inttostr(y);
end;
end;
end;
end;
end.