unit1.pas

求三位数的水仙花数。

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Button1: TButton;
    Memo1: TMemo;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  a,b,c,d:integer;
begin
   b:=0;
   c:=0;
   d:=0;
  for a := 100 to 999 do
     begin
       b:=a div 100;
       c:=a mod 10;
       d:=a div 10 - b*10;
       if b*b*b+c*c*c+d*d*d = a then
         memo1.Lines.Add(inttostr(a));
     end;


end;

end.