using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace lb17
{
    public partial class Form1 : Form
    {
        double a,b, d, s,fm,k, f;
        public Form1()
        {
          InitializeComponent();
        }

        public static double Aml(double x, double y)
        {
            double x1, y1;
            x1 = Math.Truncate(x);
            y1 = Math.Truncate(y);
            double result = Math.Sqrt(x1 * x1 + y1 * y1);
            return result;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
        }



        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            string z;
            a = Convert.ToDouble(textBox1.Text);
            s = Convert.ToDouble(textBox2.Text);
            f = 0;
            for (double i = 0; i < 10; i++)
            {
                b = (a + s) * i;
                d = (a - s) * i;
                k = Aml(b, d);
                f = f + k;
                z = "f[" + Convert.ToString(i) + "] =" + Convert.ToString(f);
                listBox1.Items.Add(z);
            }
            fm = f / 10;
            listBox1.Items.Add(" ");
            z = "Результат = " + fm;
            listBox1.Items.Add(z);
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }
    }
}