//GRAF11.cs
using System;
using System.IO;
using System.Drawing;
using System.Diagnostics;
using System.Windows.Forms;
namespace GRAF11
{
    public class Program
{
static void Main()
    {
Application.Run(new GRAF11());
    }
    }
    class GRAF11 : Form
    {
int[] x = new int[10];
int[] y = new int[10];
Random rand = new Random();
ComboBox comboBoxD;
Button buttonA;

    public GRAF11()
    {
comboBoxD = new ComboBox();
    comboBoxD.Location = new Point(45, 50);
    comboBoxD.Width = 50;
    comboBoxD.Items.Add("7");
    comboBoxD.Items.Add("5");
    comboBoxD.Items.Add("3");
    comboBoxD.SelectedIndex = 1;
buttonA = new Button();    
    buttonA.Location = new System.Drawing.Point(30, 80);
    buttonA.Text = "START";
    buttonA.Click+=buttonA_Click;
var labelV = new Label();
    labelV.Text = "CIRCLES";
    labelV.Location = new System.Drawing.Point(45, 28);
Controls.Add(comboBoxD);
Controls.Add(buttonA);
Controls.Add(labelV);
    }
private void buttonA_Click(object sender, EventArgs e)
    {
for (int i = 1; i <10; i++)
        {
x[i]=150+rand.Next(100);
y[i]=20+rand.Next(100);
        }
var outFile = new StreamWriter("dan.txt");
outFile.WriteLine(comboBoxD.Text);
for (int i = 1; i <10; i++)
        {
outFile.WriteLine(x[i]);
outFile.WriteLine(y[i]);
        }
outFile.Close();

    Process.Start("GRAF22.exe");
        }
    }
}

//GRAF22.cs
using System;
using System.IO;
using System.Drawing;
using System.Windows.Forms;
namespace GRAF22
{
    public class Program
{
static void Main()
    {
Application.Run(new GRAF22());
    }
}
    class GRAF22 : Form
    {
int[] x = new int[10];
int[] y = new int[10];
int[] z = new int[2];

    public GRAF22()
    {
var inpFile = new StreamReader("dan.txt");

z[1] = Convert.ToInt32(inpFile.ReadLine());

for (int i = 1; i <10; i++)
        {
x[i] = Convert.ToInt32(inpFile.ReadLine());
y[i] = Convert.ToInt32(inpFile.ReadLine());
        }
inpFile.Close();
}

protected override void OnPaint(PaintEventArgs dav)
    {
Graphics da = dav.Graphics;
Pen pen = new Pen(ForeColor);
for (int i = 1; i <= z[1]; i++)
da.DrawEllipse(new Pen(Color.Magenta, i), x[i]-5, y[i]-5, 10, 10);

for (int i = 1; i <= z[1]-1; i++)
for (int j = i+1; j <= z[1]; j++)
    {
da.DrawLine(new Pen(Color.Red, i), new Point(x[i], y[i]), new Point(x[j], y[j]));
System.Threading.Thread.Sleep(150);
    }
        }
    }
}