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| unit RandomWords_MainForm;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.Samples.Spin;
type
TForm1 = class(TForm)
Button1: TButton;
Edit1: TEdit;
SpinEdit1: TSpinEdit;
ListBox1: TListBox;
ListBox2: TListBox;
CheckBox1: TCheckBox;
procedure Button1Click(Sender: TObject);
private
{ Déclarations privées }
public
{ Déclarations publiques }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
type
TWordGenerator = class(TObject)
public
type
TLetter = record
Value: Char;
Count: Integer;
end;
TLetters = array of TLetter;
private
FLetters: TLetters;
FLetterPonderation: Integer;
FPonderation: Boolean;
public
constructor Create(ALetters: string);
function GetWord(ALength: Integer): string;
function GetStat(): TLetters;
property Ponderation: Boolean read FPonderation write FPonderation;
public
class constructor Create();
end;
procedure TForm1.Button1Click(Sender: TObject);
var
I: Integer;
Ls: TWordGenerator.TLetters;
L: TWordGenerator.TLetter;
begin
with TWordGenerator.Create(Edit1.Text) do
try
Ponderation := CheckBox1.Checked;
for I := 0 to SpinEdit1.Value - 1 do
ListBox1.Items.Add(GetWord(10));
Ls := GetStat();
for L in Ls do
ListBox2.Items.Add(Format('%s: %d', [L.Value, L.Count]));
finally
Free();
end;
end;
{ TWordGenerator }
constructor TWordGenerator.Create(ALetters: string);
var
I: Integer;
begin
inherited Create();
SetLength(FLetters, Length(ALetters));
for I := 1 to Length(ALetters) do
FLetters[I-1].Value := ALetters[I];
end;
class constructor TWordGenerator.Create();
begin
Randomize;
end;
function TWordGenerator.GetStat(): TLetters;
begin
Result := FLetters;
end;
function TWordGenerator.GetWord(ALength: Integer): string;
type
PLetter = ^TLetter;
var
I: Integer;
K: Integer;
J, C: Integer;
L: PLetter;
Ls: array of PLetter;
begin
SetLength(Result, ALength);
for I := 1 to ALength do
begin
if FPonderation and (FLetterPonderation > 0) then
begin
for J := Low(FLetters) to High(FLetters) do
begin
L := @FLetters[J];
if L.Count < FLetterPonderation then
begin
C := Length(Ls);
SetLength(Ls, C+1);
Ls[C] := L;
end;
end;
end;
if Length(Ls) > 0 then
begin
K := Random(Length(Ls));
L := Ls[K];
end
else
begin
K := Random(Length(FLetters));
L := @FLetters[K];
end;
Result[I] := L.Value;
Inc(L.Count);
if L.Count > FLetterPonderation then
FLetterPonderation := L.Count;
end;
end;
end. |
trier des paires (lettre & entier) par ordre croissant des entiers associés (Delphi10)
Répondre avec citation
, reprendre l'idée du "bucket sort" ou du "counting sort"
1 pourcentage 
Envoyé par ShaiLeTroll
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