Построение блок схем алгоритмов. Алгоритмические языки высокого уровня

#include<iostream.h>

#include<math.h>

void main()

{

float dx=0.25,y,x;

for (x=2.0;x<=5.0 +0.5*dx;x+=dx)

{

if (x<=3.5)

y=cos(x)*cos(x);

else

y=sin(x)*log(x);

cout<<"Y= "<<y<<endl;

}

}

Program lab_2;

Uses Crt;

Const

dx=0.25;

Var

x,y:real;

Begin

clrscr;

x:=2.0;

while x<5.0+dx/2 do

begin

if x<=3.5 then

begin

y:=sqr(cos(x));

end

else y:=sin(x)*ln(x);

writeln(y:3:5);

x:=x+dx;

end;

readln;

End.

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,

StdCtrls;

type

TForm1 = class(TForm)

ListBox1: TListBox;

Button1: TButton;

Button2: TButton;

Button3: TButton;

procedure Button2Click(Sender: TObject);

procedure Button1Click(Sender: TObject);

procedure Button3Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

Const

dx=0.25;

var

Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button2Click(Sender: TObject);

begin

Close();

end;

procedure TForm1.Button1Click(Sender: TObject);

var

Code:integer;

x,y:real;

s:string[11];

begin

x:=2.0;

while (x<5.0+0.5*dx) do

begin

if x<=3.5 then y:=sqr(cos(x))

else y:=sin(x)*ln(x);

x:=x+dx;

Str(y:2:7,s);

Listbox1.Items.Add(s);

end;

end;

procedure TForm1.Button3Click(Sender: TObject);

begin

Listbox1.Items.Clear;

end;

end.