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| unit Unit2;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons, ComCtrls, ExtCtrls, Grids;
type
TForm2 = class(TForm)
Panel1: TPanel;
Label1: TLabel;
Label2: TLabel;
Edit1: TEdit;
Label3: TLabel;
Edit2: TEdit;
RichEdit1: TRichEdit;
RadioButton1: TRadioButton;
RadioButton2: TRadioButton;
BitBtn1: TBitBtn;
BitBtn2: TBitBtn;
BitBtn3: TBitBtn;
StringGrid1: TStringGrid;
Panel2: TPanel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Edit3: TEdit;
Edit4: TEdit;
BitBtn8: TBitBtn;
BitBtn9: TBitBtn;
BitBtn10: TBitBtn;
GroupBox1: TGroupBox;
BitBtn11: TBitBtn;
Button2: TButton;
BitBtn12: TBitBtn;
BitBtn13: TBitBtn;
BitBtn14: TBitBtn;
StringGrid2: TStringGrid;
Panel3: TPanel;
Label7: TLabel;
StringGrid3: TStringGrid;
Panel4: TPanel;
Label8: TLabel;
StringGrid4: TStringGrid;
Panel5: TPanel;
Label9: TLabel;
Memo1: TMemo;
Label10: TLabel;
procedure FormCreate(Sender: TObject);
procedure Edit2KeyPress(Sender: TObject; var Key: Char);
procedure BitBtn1Click(Sender: TObject);
procedure BitBtn2Click(Sender: TObject);
procedure BitBtn3Click(Sender: TObject);
procedure BitBtn11Click(Sender: TObject);
procedure BitBtn14Click(Sender: TObject);
procedure BitBtn8Click(Sender: TObject);
procedure BitBtn9Click(Sender: TObject);
procedure BitBtn10Click(Sender: TObject);
procedure BitBtn13Click(Sender: TObject);
procedure BitBtn12Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form2: TForm2;
implementation
{$R *.dfm}
procedure dvSimplexMetod(n:boolean);
var
Count,Count1,MinC,MinR:integer;
MinEl,zna4,zna4TMP,zna4TMP2:double;
b,reshil,dv:boolean;
begin
reshil:=false;
dv:=form2.RadioButton2.Checked;
repeat
b:=false;
for count:=2 to form2.StringGrid4.ColCount-1 do
if strtofloat(form2.StringGrid4.Cells [count,1])<0 then b:=true;
for count:=2 to form2.StringGrid4.RowCount-1 do
if strtofloat(form2.StringGrid4.Cells[1,count])<0 then b:=true;
if b then
begin
MinR:=2;
zna4:=strtofloat(form2.StringGrid4.Cells[1,2]);
for count:=2 to form2.StringGrid4.RowCount-1 do
if strtofloat(form2.StringGrid4.Cells[1,count])<zna4 then
begin
zna4:=strtofloat(form2.StringGrid4.Cells[1,count]);
MinR:=count;
end;
zna4TMP:=strtofloat(form2.StringGrid4.Cells[2,1]);
zna4TMP2:=strtofloat(form2.StringGrid4.Cells[2,MinR]);
MinEl:=zna4TMP/zna4TMP2;
MinC:=2;
for Count:=2 to form2.StringGrid4.ColCount-1 do
begin
zna4TMP:=strtofloat(form2.StringGrid4.Cells[count,1]);
zna4TMP2:=strtofloat(form2.StringGrid4.Cells[count,MinR]);
if (zna4TMP>0) and (zna4TMP2<0) then
begin
zna4:=zna4TMP/zna4TMP2;
if abs(zna4)<abs(MinEl) then
begin
MinEl:=zna4;
MinC:=Count;
end;
end;
end;
MinEl:=strtofloat(form2.StringGrid4.Cells[MinC,MinR]);
for count:=1 to form2.StringGrid4.ColCount-1 do
form2.StringGrid4.Cells[count,MinR]:=floattostr(strtofloat(form2.StringGrid4.Cells[count,MinR])/MinEl);
for count:=1 to form2.StringGrid4.ColCount-1 do
for Count1:=1 to form2.StringGrid4.RowCount-1 do
if (count<>MinC)and(count1<>MinR) then
form2.StringGrid4.Cells[count,count1]:=floattostr(strtofloat(form2.StringGrid4.Cells[count,count1])-strtofloat(form2.StringGrid4.Cells[count,MinR])*strtofloat(form2.StringGrid4.Cells[MinC,count1]));
form2.StringGrid4.Cells[0,MinR]:=form2.StringGrid4.Cells[MinC,0];
for count:=1 to form2.StringGrid4.RowCount-1 do
if form2.StringGrid4.Cells[MinC,0]=form2.StringGrid4.Cells[0,count] then
form2.StringGrid4.Cells[MinC,count]:='1'
else
form2.StringGrid4.Cells[MinC,count]:='0';
end
else
begin
form2.Label10.Caption:='Ðåøåíèå íàéäåíî!';
reshil:=true;
end;
until reshil or n;
end;
procedure SimplexMetod(n:boolean);
var
Count,Count1,MinC,MinR:integer;
MinEl,zna4,zna4TMP,zna4TMP2:double;
b,reshil:boolean;
begin
reshil:=false;
repeat
b:=false;
for count:=1 to form2.StringGrid4.ColCount-1 do
if strtofloat(form2.StringGrid4.Cells[count,1])<0 then b:=true;
if b then
begin
MinC:=2;
zna4:=strtofloat(form2.StringGrid4.Cells[2,1]);
for count:=2 to form2.StringGrid4.ColCount-1 do
if strtofloat(form2.StringGrid4.Cells[count,1])<zna4 then
begin
zna4:=strtofloat(form2.StringGrid4.Cells[count,1]);
MinC:=count;
end;
zna4TMP:=strtofloat(form2.StringGrid4.Cells[1,2]);
zna4TMP2:=strtofloat(form2.StringGrid4.Cells[MinC,2]);
MinEl:=zna4TMP/zna4TMP2;
MinR:=2;
for Count:=2 to form2.StringGrid4.RowCount-1 do
begin
zna4TMP:=strtofloat(form2.StringGrid4.Cells[1,count]);
zna4TMP2:=strtofloat(form2.StringGrid4.Cells[MinC,count]);
if zna4TMP2>0 then
begin
zna4:=zna4TMP/zna4TMP2;
if zna4<MinEl then
begin
MinEl:=zna4;
MinR:=Count;
end;
end;
end;
MinEl:=strtofloat(form2.StringGrid4.Cells[MinC,MinR]);
for count:=1 to form2.StringGrid4.ColCount-1 do
form2.StringGrid4.Cells[count,MinR]:=floattostr(strtofloat(form2.StringGrid4.Cells[count,MinR])/MinEl);
for count:=1 to form2.StringGrid4.ColCount-1 do
for Count1:=1 to form2.StringGrid4.RowCount-1 do
if (count<>MinC)and(count1<>MinR) then
form2.StringGrid4.Cells[count,count1]:=floattostr(strtofloat(form2.StringGrid4.Cells[count,count1])-strtofloat(form2.StringGrid4.Cells[count,MinR])*strtofloat(form2.StringGrid4.Cells[MinC,count1]));
form2.StringGrid4.Cells[0,MinR]:=form2.StringGrid4.Cells[MinC,0];
for count:=1 to form2.StringGrid4.RowCount-1 do
if form2.StringGrid4.Cells[MinC,0]=form2.StringGrid4.Cells[0,count] then
form2.StringGrid4.Cells[MinC,count]:='1'
else
form2.StringGrid4.Cells[MinC,count]:='0';
end
else
begin
form2.Label10.Caption:='Ðåøåíèå íàéäåíî!';
reshil:=true;
end;
until reshil or n;
end;
procedure Ochistka();
begin
form2.stringgrid1.RowCount:=2;
form2.stringgrid1.Cells[0,form2.stringgrid1.RowCount-1]:='';
form2.stringgrid1.Cells[1,form2.stringgrid1.RowCount-1]:='';
form2.stringgrid2.RowCount:=2;
form2.stringgrid2.Cells[0,form2.stringgrid2.RowCount-1]:='';
form2.stringgrid2.Cells[1,form2.stringgrid2.RowCount-1]:='';
form2.stringgrid3.RowCount:=2;
form2.stringgrid2.Cells[0,form2.stringgrid2.RowCount-1]:='';
form2.stringgrid2.Cells[1,form2.stringgrid2.RowCount-1]:='';
form2.stringgrid3.ColCount:=2;
form2.stringgrid3.RowCount:=2;
end;
function Proverka():boolean;
var
Count,Count1:integer;
b:boolean;
begin
b:=true;
form2.StringGrid3.Cells[1,1]:='0';
for Count:=1 to form2.StringGrid3.RowCount-1 do
for Count1:=1 to form2.StringGrid3.ColCount-1 do
if form2.StringGrid3.Cells[Count1,Count]='' then
begin
b:=false;
form2.Label10.Caption:='Îøèáêà çàïîëíåíèÿ òàáëèöû. Íàéäåíî ïóñòîå ïîëå!';
end;
proverka:=b;
end;
procedure ZapEnd();
var
Count,count1,tmp,k:integer;
begin
k:=1;
if form2.RadioButton2.Checked then k:=-1;
form2.StringGrid4.RowCount:=form2.StringGrid3.RowCount;
form2.StringGrid4.ColCount:=form2.StringGrid3.ColCount;
for count:=0 to form2.StringGrid3.RowCount-1 do
for count1:=0 to form2.StringGrid3.ColCount-1 do
form2.StringGrid4.Cells [Count1,count]:=form2.StringGrid3.Cells[Count1,count];
for count:=1 to form2.StringGrid3.RowCount-1 do
for count1:=1 to form2.StringGrid3.ColCount-1 do
form2.StringGrid4.Cells [Count1,count]:=floattostr(k*strtofloat(form2.StringGrid3.Cells[Count1,count]));
for count:=1 to form2.StringGrid4.ColCount-1 do
form2.StringGrid4.Cells[count,1]:=floattostr(strtofloat(form2.StringGrid4.Cells[count,1])*(-1));
tmp:=form2.StringGrid4.ColCount;
form2.StringGrid4.ColCount:=tmp+form2.StringGrid3.RowCount-2;
for Count:=2 to form2.StringGrid3.RowCount-1 do
begin
form2.StringGrid4.Cells[count+tmp-2,0]:=form2.StringGrid3.Cells[0,count];
end;
for count:=tmp to form2.StringGrid4.ColCount-1 do
for count1:=1 to form2.StringGrid4.RowCount-1 do
if form2.StringGrid4.Cells[count,0]=form2.StringGrid4.Cells[0,count1] then
form2.StringGrid4.Cells[count,count1]:='1'
else
form2.StringGrid4.Cells[count,count1]:='0';
end;
procedure zapolnenie();
var
Count:integer;
begin
form2.StringGrid3.Cells[1,0]:='Îáù.Ôîíä';
for Count:=1 to form2.stringgrid1.RowCount-1 do
begin
form2.StringGrid3.RowCount:=form2.StringGrid3.RowCount+1;
form2.StringGrid3.Cells[0,Count+1]:=form2.StringGrid1.Cells[0,Count];
end;
form2.StringGrid3.Cells[0,1]:='Ïðèáûëü';
form2.StringGrid3.Cells[1,1]:='0';
for Count:=1 to form2.stringgrid2.RowCount-1 do
begin
form2.StringGrid3.ColCount:=form2.StringGrid3.ColCount+1;
form2.StringGrid3.Cells[Count+1,0]:=form2.StringGrid2.Cells[0,Count];
end;
for Count:=1 to form2.StringGrid1.RowCount-1 do
form2.StringGrid3.Cells[1,Count+1]:=form2.StringGrid1.Cells[1,Count];
for Count:=1 to form2.StringGrid2.RowCount-1 do
form2.StringGrid3.Cells[Count+1,1]:=form2.StringGrid2.Cells[1,Count];
end;
procedure Otvet();
var
count,count1:integer;
b:boolean;
begin
form2.Memo1.Lines.Add('Âûãîäíî ïðîèçâîäèòü/èñïîëüçîâàòü ñëåäóþùóþ ïðîäóêöèþ:');
for count:=1 to form2.StringGrid4.RowCount-1 do
for count1:=0 to form2.StringGrid2.RowCount-1 do
if form2.StringGrid4.Cells[0,count]=form2.StringGrid2.Cells[0,count1] then
begin
form2.Memo1.Lines.Add(form2.StringGrid4.Cells[0,count]+' â êîëè÷åñòâå '+form2.StringGrid4.Cells[1,count]+' åä.');
end;
b:=false;
for count:=1 to form2.StringGrid4.RowCount -1 do
for count1:=0 to form2.StringGrid1.RowCount -1 do
if form2.StringGrid4.Cells[0,count]=form2.StringGrid1.Cells[0,count1] then
begin
b:=true;
break;
end;
if b then
begin
form2.Memo1.Lines.Add('');
form2.Memo1.Lines.Add('Ïðè ýòîì áóäóò òàêèå èçëèøêè ðåñóðñîâ:');
for count:=1 to form2.StringGrid4.RowCount-1 do
for count1:=0 to form2.StringGrid1.RowCount-1 do
if form2.StringGrid4.Cells[0,count]=form2.StringGrid1.Cells[0,count1] then
begin
form2.Memo1.Lines.Add(form2.StringGrid4.Cells[0,count]+' â êîëè÷åñòâå '+form2.StringGrid4.Cells[1,count]+' åä.');
end;
end;
form2.Memo1.Lines.Add('');
if form2.RadioButton2.Checked then
form2.Memo1.Lines.Add('Çàòðàòû ïðè òàêîì ïëàíå èñïîëüçîâàíèÿ ñîñòàâÿò '+floattostr((-1)*strtofloat(form2.StringGrid4.Cells[1,1]))+' ó.å.')
else
form2.Memo1.Lines.Add('Ïðèáûëü ïðè òàêîì ïëàíå ïðîèçâîäñòâà ñîñòàâèò '+form2.StringGrid4.Cells[1,1]+' ó.å.');
end;
procedure TForm2.FormCreate(Sender: TObject);
begin
bitbtn13.Enabled:=false;
stringgrid1.Cells[0,0]:='Íàèìåíîâàíèå ðåñóðñà';
stringgrid1.Cells[1,0]:='Îáù. Ôîíä';
stringgrid2.Cells[0,0]:='Íàèìåíîâàíèå ïðîäóêòà';
stringgrid2.Cells[1,0]:='Ñòîèìîñòü';
end;
procedure TForm2.Edit2KeyPress(Sender: TObject; var Key: Char);
begin
case key of
#8: ;
#46:;
'0'..'9': ;
else key:=#0;
end;
end;
procedure TForm2.BitBtn1Click(Sender: TObject);
var
Count:integer;
b:boolean;
begin
b:=true;
if (edit1.Text='')or(edit2.Text='') then
begin
b:=false;
label10.Caption:='Çàïîëíèòå âñå ïîëÿ ââîäà!';
end;
for Count:=1 to stringgrid1.RowCount do
begin
if (edit1.Text=stringgrid1.Cells[0,Count]) then
b:=false;
end;
if b then
begin
if (stringgrid1.RowCount=2) and (stringgrid1.Cells[0,1]='') then
stringgrid1.RowCount:=stringgrid1.RowCount
else
stringgrid1.RowCount:=stringgrid1.RowCount + 1;
stringgrid1.Cells[0,stringgrid1.RowCount-1]:=edit1.Text;
stringgrid1.Cells[1,stringgrid1.RowCount-1]:=edit2.Text;
label10.Caption:='Ðåñóðñ äîáàâëåí!'
end
else
label10.Caption:='Òàêîé ðåñóðñ óæå ñóùåñòâóåò!'
end;
procedure TForm2.BitBtn2Click(Sender: TObject);
var
Count,i:integer;
b:boolean;
begin
b:=true;
for Count:=1 to stringgrid1.RowCount do
begin
if (edit1.Text=stringgrid1.Cells[0,Count]) then
begin
i:=Count;
b:=false;
end;
end;
if b then
begin
label10.Caption:='Òàêîãî ðåñóðñà íåò â ñïèñêå!';
end
else
begin
stringgrid1.Cells[0,i]:=edit1.Text;
stringgrid1.Cells[1,i]:=edit2.Text;
label10.Caption:='Ðåñóðñ èçìåíåí!';
end;
end;
procedure TForm2.BitBtn3Click(Sender: TObject);
var
Count,i:integer;
b:boolean;
begin
b:=true;
for Count:=1 to stringgrid1.RowCount do
begin
if (edit1.Text=stringgrid1.Cells[0,Count]) then
begin
i:=Count;
b:=false;
end;
end;
if b then
begin
label10.Caption:='Òàêîãî ðåñóðñà íåò â ñïèñêå!';
end
else
begin
stringgrid1.Rows[i].Clear ;
for Count:=i to stringgrid1.RowCount-1 do
begin
stringgrid1.Cells[0,Count]:=stringgrid1.Cells[0,Count+1];
stringgrid1.Cells[1,Count]:=stringgrid1.Cells[1,Count+1];
end;
stringgrid1.RowCount:=stringgrid1.RowCount-1;
label10.Caption:='Ðåñóðñ ñòåðò!';
end;
end;
procedure TForm2.BitBtn11Click(Sender: TObject);
begin
form2.close;
end;
procedure TForm2.BitBtn14Click(Sender: TObject);
begin
label10.Caption:='';
if Panel4.Visible=true then
begin
Panel4.Visible:=false;
Panel5.Visible:=true;
bitbtn12.Visible:=false;
memo1.Clear();
bitbtn14.Enabled:=false;
if form2.RadioButton2.Checked then
dvSimplexMetod(False)
else
SimplexMetod(False);
Otvet();
end;
if Panel3.Visible=true then
begin
if Proverka() then
begin
Panel3.Visible:=false;
Panel4.Visible:=true;
bitbtn12.Visible:=true;
bitbtn14.Caption:= '<Îòâåò>';
zapend();
end;
end;
if Panel2.Visible=true then
begin
if stringgrid2.Cells[0,1]<>'' then
begin
Panel2.Visible:=false;
Panel3.Visible:=true;
stringgrid3.ColCount:=2;
stringgrid3.RowCount:=2;
zapolnenie();
end
else label10.Caption:='Ïðîäóêòîâ íåò!';
end;
if Panel1.Visible=true then
begin
if stringgrid1.Cells[0,1]<>'' then
begin
bitbtn13.Enabled:=true;
Panel1.Visible:=false;
Panel2.Visible:=true;
end
else label10.Caption:='Ðåñóðñû íå ìîãóò îòñóòñòâîâàòü!';
end;
end;
procedure TForm2.BitBtn8Click(Sender: TObject);
var
Count:integer;
b:boolean;
begin
b:=true;
if (edit3.Text='')or(edit4.Text='') then
begin
b:=false;
label10.Caption:='Çàïîëíèòå âñå ïîëÿ ââîäà!';
end;
for Count:=1 to stringgrid2.RowCount do
begin
if (edit3.Text=stringgrid2.Cells[0,Count]) then
b:=false;
end;
if b then
begin
if (stringgrid2.RowCount=2) and (stringgrid2.Cells[0,1]='') then
stringgrid2.RowCount:=stringgrid2.RowCount
else
stringgrid2.RowCount:=stringgrid2.RowCount+1;
stringgrid2.Cells[0,stringgrid2.RowCount-1]:=edit3.Text;
stringgrid2.Cells[1,stringgrid2.RowCount-1]:=edit4.Text;
label10.Caption:='Ïðîäóêò äîáàâëåí!';
end
else
label10.Caption:='Òàêîé ïðîäóêò óæå åñòü!';
end;
procedure TForm2.BitBtn9Click(Sender: TObject);
var
Count,i:integer;
b:boolean;
begin
b:=true;
for Count:=1 to stringgrid2.RowCount do
begin
if (edit3.Text=stringgrid2.Cells[0,Count]) then
begin
i:=Count;
b:=false;
end;
end;
if b then
begin
label10.Caption:='Òàêîãî ïðîäóêòà íåò â ñïèñêå!';
end
else
begin
stringgrid2.Cells[0,i]:=edit3.Text;
stringgrid2.Cells[1,i]:=edit4.Text;
label10.Caption:='Ïðîäóêò èçìåíåí!';
end;
end;
procedure TForm2.BitBtn10Click(Sender: TObject);
var
Count,i:integer;
b:boolean;
begin
b:=true;
for Count:=1 to stringgrid2.RowCount do
begin
if (edit3.Text=stringgrid2.Cells[0,Count]) then
begin
i:=Count;
b:=false;
end;
end;
if b then
begin
label10.Caption:='Òàêîãî ïðîäóêòà íåò â ñïèñêå!';
end
else
begin
stringgrid2.Rows[i].Clear ;
for Count:=i to stringgrid2.RowCount-1 do
begin
stringgrid2.Cells[0,Count]:=stringgrid2.Cells[0,Count+1];
stringgrid2.Cells[1,Count]:=stringgrid2.Cells[1,Count+1];
end;
stringgrid2.RowCount := stringgrid2.RowCount -1;
label10.Caption:='Ïðîäóêò ñòåðò!';
end;
end;
procedure TForm2.BitBtn13Click(Sender: TObject);
begin
label10.Caption:='';
if Panel2.Visible=true then
begin
bitbtn13.Enabled:=false;
Panel2.Visible:=false;
Panel1.Visible:=true;
end;
if Panel3.Visible=true then
begin
Panel3.Visible:=false;
Panel2.Visible:=true;
end;
if Panel4.Visible=true then
begin
Panel4.Visible:=false;
Panel3.Visible:=true;
bitbtn12.Visible:=false;
bitbtn14.Caption:='Äàëåå ==>';
bitbtn14.Enabled:=true;
end;
if Panel5.Visible=true then
begin
Panel5.Visible:=false;
Panel4.Visible:=true;
bitbtn12.Visible:=true;
bitbtn14.Enabled:=true;
end;
end;
procedure TForm2.BitBtn12Click(Sender: TObject);
begin
if form2.RadioButton2.Checked then
dvSimplexMetod(True)
else
SimplexMetod(True);
end;
end. |