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Unit Unit1;
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Interface
Uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls,
Forms, Dialogs, Buttons, StdCtrls, Grids, Menus;
Type
5. mtrx_t=array[0..50, 0..50]of string[10];
6. TForm1 = class(TForm)
7. GroupBox1: TGroupBox;
8. Edit1: TEdit;
9. SpeedButton1: TSpeedButton;
10. OpenDialog1: TOpenDialog;
11. GroupBox2: TGroupBox;
12. StringGrid1: TStringGrid;
13. Button2: TButton;
14. MainMenu1: TMainMenu;
15. N1: TMenuItem;
16. N2: TMenuItem;
17. N3: TMenuItem;
18. N4: TMenuItem;
19. N5: TMenuItem;
20. N6: TMenuItem;
21. N7: TMenuItem;
22. GroupBox3: TGroupBox;
23. Edit3: TEdit;
24. Edit4: TEdit;
25. Label1: TLabel;
26. Label2: TLabel;
27. Edit2: TEdit;
28. procedure SpeedButton1Click(Sender: TObject);
29. procedure Button2Click(Sender: TObject);
30. procedure Button1Click(Sender: TObject);
31. procedure FormCreate(Sender: TObject);
32. procedure Button3Click(Sender: TObject);
33. procedure Button4Click(Sender: TObject);
34. procedure Button5Click(Sender: TObject);
35. procedure N7Click(Sender: TObject);
36. procedure N2Click(Sender: TObject);
37. procedure N3Click(Sender: TObject);
38. procedure N4Click(Sender: TObject);
39. procedure N9Click(Sender: TObject);
40. procedure N8Click(Sender: TObject);
41. procedure N6Click(Sender: TObject);
Private
43. { Private declarations }
Public
45. { Public declarations }
End;
Var
48. Form1: TForm1;
49. InFile, fh: String;
50. a, b: mtrx_t;
51. i, j, n, m, k: Integer;
52. myRect: TGridRect;
53. f: textfile;
54. ia, ja: array[1..20]of integer;
Implementation
Uses Unit2, Unit3, Unit4, Unit5;
57. {$R *.dfm}
58. procedure ReadFromFile(InFile: String; Var a: mtrx_t);
Var
60. i, j, p: integer;
61. Inf: TextFile;
62. st: string;
Begin
AssignFile(InF, InFile);
Reset(InF);
Read(Inf, n, m);
ReadLn(Inf);
68. for i: =0 to n-1 do
Begin
Readln(Inf, st);
71. for j: =0 to m do
Begin
73. p: =pos(' ', st)-1;
74. if p< =0 then p: =length(st);
75. a[i, j]: =copy(st, 1, p);
76. delete(st, 1, p+1);
End;
End;
79. for j: =m-1 downto 1 do
80. a[0, j]: =a[0, j-1];
81. a[0, 0]: ='';
82. for i: =1 to n do
83. for j: =1 to m do
84. if pos('.', a[i, j])< > 0 Then
Begin
86. insert(', ', a[i, j], pos('.', a[i, j]));
87. delete(a[i, j], pos('.', a[i, j]), 1);
End;
CloseFile(Inf);
End;
91. procedure writetogrid(b: mtrx_t);
Var
93. i, j: integer;
Begin
95. Form1.StringGrid1.RowCount: =n;
96. Form1.StringGrid1.ColCount: =m;
97. for i: =0 to n do
98. for j: =0 to m do
99. Form1.stringgrid1.cells[j, i]: =b[i, j];
End;
101. procedure writetofile(b: mtrx_t; i, j: integer);
Var
103. i1, j1: integer;
Begin
105. if (i< > 0)and(j< > 0) then writeln(f, '[', i, ', ', j, ']=', b[i, j]);
106. for i1: =0 to n do
Begin
108. for j1: =0 to m do
109. write(f, b[i1, j1]: 5);
Writeln(f);
End;
112. writeln(f, '------------------------------------------------------------------');
End;
114. procedure TForm1.SpeedButton1Click(Sender: TObject);
Begin
116. OpenDialog1.FileName: ='';
117. OpenDialog1.InitialDir: =ExtractFilePath(Application.ExeName);;
OpenDialog1.Execute;
119. Edit1.Text: =OpenDialog1.FileName;
120. InFile: =OpenDialog1.FileName;
121. Button2.Enabled: =True;
End;
123. function nozero(b: mtrx_t): boolean;
Var
125. i, j: integer;
126. l: boolean;
Begin
128. l: =true;
129. for i: =1 to n-1 do
130. if b[i, 0]='0' then
131. for j: =1 to m-2 do
132. if strtofloat(b[i, j])< > 0 then
Begin
134. l: =false;
Break;
End;
137. result: =l;
End;
139. function notirek(b: mtrx_t): boolean;
Var
141. i: integer;
Begin
143. for i: =1 to n-2 do
144. if strtofloat(b[i, m-1])< 0 then
Begin
146. result: =false;
Exit;
End;
149. result: =true;
End;
151. function nooptimal(b: mtrx_t): boolean;
Var
153. j: integer;
Begin
155. for j: =1 to m-2 do
156. if strtofloat(b[n-1, j])< 0 then
Begin
158. result: =false;
Exit;
End;
161. result: =true;
End;
163. procedure FindEl0(b: mtrx_t; var i1, j1: integer);
164. type dt=record
165. i: integer;
166. v: real;
End;
Var
169. i, j, t, i2: integer;
170. min: real;
171. d: array[1..30]of dt;
Begin
173. i: =0; j: =0; t: =0;
Repeat